Open St. Louis software jobs

In brief

A junior Software Quality Engineer (SQE) on Boeing Global Services in Hazelwood, embedded with program teams to verify that the software development lifecycle (planning, requirements, verification, certification) actually conforms to approved processes and standards — including auditing supplier software deliveries. Onsite Hazelwood; US citizenship required to obtain a Secret clearance. For an early-career SQE / SDLC-process-minded engineer rather than a feature developer.

In brief

An engineering manager on Boeing's Fighters Vehicle Simulation team in Berkeley/Hazelwood, leading the F-15 USAF training-system software team — high-fidelity training sims that model aircraft and operational environments. The team writes C++, Fortran, Ada, C#, and Python on Linux and Windows under Agile. 100% onsite, US citizenship required. For a software manager comfortable with mixed legacy/modern stacks on a global-training program.

In brief

A senior AI agent-engineering role based in Hazelwood (or one of six other Boeing sites) building the technical integrations, service interfaces, and control patterns that let AI agents communicate securely and act across Boeing's enterprise systems, data, and applications — Model Context Protocol-based connectivity, agent orchestration logic, and governed tool integrations. Fast-paced short-duration engagements. For a senior software engineer drawn to the operational side of agentic AI rather than model research.

In brief

Boeing's Anti-Tamper Engineering Capability Center experienced Product Security Engineer — same role as JR2026496642 with a second requisition number, Berkeley, defending Boeing's full defense-platform portfolio with anti-tamper hardware/software designs. Active US Secret clearance required; signing-bonus eligible. For a cybersecurity engineer drawn to enterprise-scope anti-tamper work rather than program-specific PSE.

In brief

A junior ATE hardware-and-software engineer in Berkeley designing electrical support hardware (test cables, panels, electronic testers, interface devices) for military and commercial platforms — writes Test Program Sets for unit-under-test verification, supports fielded hardware over the lifecycle, and includes international travel (Saudi Arabia, South Korea). C / C++ / C# proficiency plus 1+ years' electronic systems. For an electrical-leaning engineer drawn to ATE hardware design with software writing test programs.

In brief

A junior-to-senior F-15 Mission Systems software engineer in Berkeley, implementing capabilities in the F-15 Operational Flight Program for USAF and international customers — the work targets the Advanced Display Core Processor II (ADCP II), the F-15's mission-systems brain, and the agile teams integrate against many aircraft subsystems. C/C++, Ada, Python; ability to obtain a Secret clearance. For an embedded engineer who actively wants fighter-OFP work on the F-15.

In brief

A junior-to-mid real-time embedded software engineer in St. Charles on Boeing's Precision Engagement Systems (Direct Attack weapons and Cruise Missiles) — designing and writing Operational Flight Programming (OFP) software in Ada plus C/C++, alongside DevOps work on the build environments. Active Secret clearance required. For an embedded engineer who specifically wants Ada / OFP work on real precision-guided weapons.

In brief

An experienced Product Security Engineer in Berkeley/St. Louis on Boeing's Anti-Tamper Engineering Capability Center — protects critical computing assets across Boeing's entire defense portfolio (rather than one platform) by designing anti-tamper software and hardware solutions for fielded products. Active US Secret clearance required; signing-bonus eligible. For a cybersecurity engineer who wants a portfolio-wide anti-tamper role rather than a single-program PSE seat.

In brief

A junior-to-mid Mission Systems Integration Engineer in Berkeley on a Phantom Works Fixed Wing Proprietary program, integrating EO/IR sensors, RF sensors, communications, and weapons systems into a unified mission-systems architecture — defines requirements, hardware/software interfaces, and verification across system of systems. 100% onsite, US citizenship required. For an early-to-mid-career systems integration engineer drawn to sensor and weapons integration on a proprietary platform.

In brief

A lead AI Engineer at Mastercard's O'Fallon tech hub providing platform-level support for AI use cases across Microsoft Copilot Studio, Power Platform, Databricks, AWS, and Azure — helps teams adopt standards and tooling, drives AI models from notebook PoCs into production-grade microservices, and designs the APIs that embed agentic AI into Mastercard's broader ecosystem. For an engineer who wants to be a platform-level AI enabler rather than a feature model developer.

In brief

A junior-to-mid Platform Software Engineer in Berkeley working the DevSecOps toolchain that other Boeing software programs build on — AWS / Azure, Kubernetes, GitLab CI, static analysis, plus safety-critical software compliance checking. 2+ years' programming in C/C++/C#/Python/Java/Ada and 2+ years on an Agile team. Ability to obtain a Secret clearance. For an early-career platform / DevSecOps engineer drawn to defense / aerospace tooling work.

In brief

An engineering manager in Huntsville AL OR St. Charles MO running Boeing's Missile and Weapons Systems Product Security Engineering (PSE) division — covers Patriot PAC-3, Avenger, Aegis BMD, IFPC, Minuteman III ICBM support, the C2BMC team for Missile Defense Agency, Direct Attack and Cruise Missile portfolios, and Advanced Weapons SAPs. Active Top Secret clearance required. For a senior PSE leader who wants division-wide ownership across an unusually broad national-deterrence portfolio.

In brief

A mid-level Product Security Engineer in Hazelwood acting as the lead PSE on new tactical mobile ad-hoc network protocols, sensor protocols, airborne network overlays, and network-management technologies — matures concepts and software, builds secure prototypes, and runs T&E in relevant environments. 3+ years' Python / C / C++ / C# / Java plus 3+ years' network development and Linux kernel architecture. Top Secret eligibility required. For a security-and-networking-minded engineer drawn to research-prototype work rather than production product engineering.

In brief

A senior identity-platform DevOps engineer based in Hazelwood (or one of eight other Boeing sites) automating Microsoft Entra ID and Active Directory administration on Azure — Microsoft Graph API automation, OAuth2 / SAML / FIDO2 protocol support, ARM-template IaC, GitOps for drift remediation, and PIM / Conditional Access security controls. Strong PowerShell SDK background; SailPoint exposure preferred. For an identity-engineering specialist drawn to Microsoft-stack cloud identity rather than custom IAM development.

In brief

A senior Mission Software Engineer in Berkeley on Phantom Works' OASIS (Open Architecture Systems Integrated Software) team, developing software for space-based effects in support of air-domain missions — full lifecycle from requirements through unit/integration testing and supporting peer reviews. C++ with 5+ years, plus MATLAB; active Secret clearance required. For an experienced C++ engineer drawn to advanced-R&D defense work in a small Phantom Works-style team.

In brief

A senior GNC engineer in Hazelwood writing flight control laws — develops and refines the nonlinear 6-DOF simulation model, designs control laws using modern linear-control techniques, then works with VMS engineers to integrate them into the Operational Flight Program and supports flight testing. 3+ years' GNC, MATLAB/Simulink or MatrixX required; C / C++ / FORTRAN / Python used across the toolchain. For a senior GNC specialist with deep simulation and control-law experience.

In brief

The experienced-to-lead version of JR2025489712 — Berkeley / Hazelwood / St. Charles SE disciplines (Architecture, V&V, Reliability, Human Factors, etc.) on Boeing's St. Louis defense portfolio (F-47, F-15, F/A-18, F-22, T-7A, MQ-25, JDAM, SDB, Phantom Works, AH-64, P-8, C-17), but now leading SE efforts across new development, production, and sustainment programs; mentors and coaches the SE team. 100% onsite, US citizenship + Secret clearance post-start. For a senior systems engineer who wants lead-the-discipline scope across multiple defense platforms.

In brief

A senior hands-on AI Java engineer on Mastercard's Business & Market Insights (B&MI) team in O'Fallon — builder role owning Java services / APIs that deliver AI-powered features end-to-end, productionizes Python AI components, and operates the model lifecycle (versioning, monitoring, updates) for global customer-facing platforms. Blends deterministic software engineering with probabilistic AI engineering. For a senior Java engineer who wants production AI ownership rather than research.

In brief

A lead C/C++ engineer on Mastercard's Global Credit Card Authorization team in O'Fallon — partners with Product Management on features and test strategy, writes complex stories in C with Google Test unit tests in C++, leads code and design reviews, and mentors junior engineers. Linux backend with embedded / real-time distributed systems experience preferred. For a senior C++ engineer who wants to lead technical direction on the system that authorizes billions of card transactions.

In brief

A senior mainframe engineering leader on Mastercard's Core Payments team in O'Fallon — leads modernization initiatives across Authorization, Clearing, and Debit; acts as the technical liaison between legacy mainframe systems and modern platform teams; pushes back constructively on roadmap choices. Hands-on COBOL, DB2, CICS, JCL on z/OS plus Microfocus COBOL, DB2 LUW, and TWS Scheduler. For a veteran mainframe engineer with both deep z/OS expertise and the executive-presence to influence modernization strategy.

In brief

A senior simulation software engineer in Hazelwood (with a Mesa option) designing 6-DOF simulation models, virtual environments, and test frameworks that validate software and hardware systems across the product lifecycle — modernizing legacy sim software to new operating systems and integrating sims with hardware in the loop. C/C++/C#/.NET with 4+ years, plus Python; ability to obtain a Secret and Special Program Access. For a sim-engineering specialist with both modeling and DevSecOps instincts.

In brief

A senior project-management role embedded with Boeing's Battlespace & Simulation Management (BSM) agile software organization in Hazelwood — covers EVM, scrum master / product owner work, and business analysis across a multiple proprietary BGS-warfighter-training program and other BSM platforms. The BSM team carries everything from new cutting-edge feature development to legacy baseline maintenance. 100% onsite, US citizenship required. For a senior PM with strong agile and EVM instincts on a sizable training-software portfolio.

In brief

A lead SEIT engineer based in Hazelwood (or one of 12 other Boeing sites) on Boeing's Sapphire program — the enterprise modernization effort that standardizes digital engineering, supply chain, and manufacturing processes across BDS defense platforms. Owns the program-level test & verification master plan, HIL setups, automation/regression frameworks, and DO-178C / DO-254 / MIL-STD compliance; coordinates with ERP, MES, PDM IT bedrocks. Active TS/SCI required. For a senior test-engineering lead who wants horizontal modernization work across BDS platforms.

In brief

A lead engineer in Berkeley running the Signature Assessment and Verification (SAV) team for a new Air Dominance (stealth) program — develops and validates the diagnostic-equipment processes that verify low-observable signature performance during manufacturing and in operation. Coordinates with EM QA, defines QA test criteria, and contributes software and methodologies to the assessment system. The title hides software-heavy QA / diagnostics work rather than aircraft-design engineering.

In brief

A senior Tapestry / Tomahawk engineer in Hazelwood, automating the Computing Environment (CE) install and maintenance for the Tomahawk program — Ansible-driven Linux infrastructure automation rather than feature .NET work. 5+ years' Ansible plus 5+ years' Linux required; active Secret with TS/SCI obtainable. For an automation / Linux-infra-minded engineer rather than an application developer.

In brief

A junior software engineer on Tapestry Solutions (part of Boeing Global Services) supporting the US Navy Tomahawk Land-Attack Missile program in Hazelwood — designing and maintaining relational databases, writing migration scripts, doing DBA work, and supporting customers and co-contractors. Active Secret clearance with ability to obtain TS/SCI; VB.NET / C# / SQL Server stack. For an early-career .NET / SQL developer comfortable with database administration on a long-running defense program.

In brief

A lead Flying Test Bed engineer in Berkeley on an Air Dominance Fixed Wing Proprietary Program, integrating and testing advanced tactical sensors onboard three flying test beds — develops and plans tests, coordinates FTB modifications, executes flight tests, and participates in the customer-led Combined Test Force. MBSE-driven, agile development. US citizenship required. For a flight-test engineer who wants Phantom Works proprietary-program work with sensor-integration depth.

In brief

A Lead Flight Test Engineer in Berkeley supporting Air Dominance flight test programs, including F-15 international (Qatar, Saudi Arabia, Korea, Japan, Israel, Singapore) and future programs — coordinates the Flight Test Work Statement across BT&E, BDS, and customer organizations; owns flight test plans, range/facility coordination, and remote-site deployments. 1st shift plus occasional night / weekend / alternate shifts. US citizenship required. For a flight-test engineer drawn to international F-15 deployments and customer-facing lead work.

In brief

A senior Java engineer on Mastercard's Global Clearing Management System (GCMS) within Core Payments / Clearing Program — builds end-to-end clearing and settlement processing for credit and debit offline transactions, applies edits and fees, and derives settlement values across global payment networks. Jenkins / XLR CI/CD plus Splunk observability; microservices migration in flight. For a senior engineer drawn to high-volume financial-reconciliation systems.

In brief

A UX Architect role at Centene's Clayton, MO Fortune-50 managed-care headquarters (remote-MO posting) — leads UX strategy across Centene's digital member / provider products, coaches Product Designers on design-thinking, runs internal workshops, and partners cross-functionally to deploy and test UI enhancements. 2-4 years' experience required (it reads senior by title but mid-level by years); Adobe Acrobat, journey mapping, sitemaps, wireframing. For a designer-architect comfortable with both hands-on UX work and team coaching at a Fortune-50 health insurer.

In brief

A mid-level cloud engineer in Hazelwood orchestrating the install and configuration of complex COTS engineering tools (PLM, Manufacturing Operations Management, ERP) on a cloud platform — writes Terraform / ARM / Bicep IaC, manages ISV licenses, prevents config drift across dev/test/prod, and tunes for vendor-mandated performance benchmarks. 3+ years' public cloud plus 1+ years' DevOps. Active US Secret, onsite, ERP / PLM experience preferred. For a cloud / IaC engineer drawn to enterprise-tool deployment rather than feature development.

In brief

A junior Tapestry Solutions engineer in Berkeley supporting future-franchise mission-planning software — 1+ years' C# / .NET plus Agile experience, 1+ years' git/Bitbucket. Active Secret clearance required. For an early-career .NET developer ready to step into a long-running DoD mission-planning program from day one with a clearance in hand.

In brief

A junior-to-mid lab-operations specialist in Berkeley or Hazelwood supporting Boeing's Government Training Engineering (GTE) Labs — manages lab compliance, equipment inventories, System Security Plans, device configuration, and sysadmin work for training and simulation labs. Onsite 5 days/week, with classified-program experience preferred. This is a lab-operations role rather than a software developer seat — useful for someone with sysadmin + cybersecurity background who wants government-program lab work.

In brief

A first-line engineering manager in Berkeley running a team that writes flight software and simulation / modeling infrastructure for the F-22 Raptor (Level K — Boeing's small-team management band). Active Secret clearance required; the work runs inside a Special Access Program environment. For an engineering manager who wants P&L-style accountability for cost, schedule, and Agile / DevSecOps process improvement on a marquee fighter program.

In brief

A mid-level customer-facing Service Reliability Developer based in Berkeley (or one of eight other Boeing sites) — owns uptime, automation for self-healing systems, and direct customer / airline incident communication on Boeing's mission-critical customer portals, e-commerce, training platforms, and global airline support tools. 3+ years on Jira, GitLab / Azure DevOps CI/CD, Java / JavaScript / Three.js / Spring Boot / Flask, and incident management. For an SRE who wants front-line customer-facing incident work, not back-of-house ops.

In brief

A senior architect in Berkeley leading the avionics integration architecture for the F-15 — for new USAF and International programs, owns the overall solution across all F-15 platforms and shepherds the implementation through lab and flight test. Works with the Mission Systems Integration team that develops the F-15's Operational Flight Program; pushes the team into Open Mission Systems and MBSE tools. Active US Secret required; 100% onsite. For a principal-level architect who has shipped fighter-avionics integration before.

In brief

A senior-to-lead Systems Integration Engineer in Hazelwood, St. Charles, or Berkeley, integrating computational / networking / visual / communications / power subsystems into training devices — develops integration plans, builds software load images, supports formal testing events, and shepherds buildup-integration-test through final customer delivery. 100% onsite; final US Secret or Top Secret post-start. For a hardware/software integration engineer drawn to training-device build-out rather than aircraft software.

In brief

A senior performance-engineering engineer on Mastercard's Transaction Switching program in O'Fallon — partners with feature teams to identify performance risks per release, digs into the code to find bottlenecks, and onboards APM tools (Dynatrace, Splunk) to improve the performance environment. Linux backend with strong C/C++ plus shell / TCL / Perl / Python scripting. For an engineer who likes computer-architecture-level throughput / latency / memory work on a system that authorizes billions of transactions.

In brief

An entry-level Product Security Engineer in Berkeley or Hazelwood on Boeing's Air Dominance Product Security Engineering Capability — supports cybersecurity integration on F-15, F/A-18, T-7A, MQ-25, and proprietary programs. The org explicitly is NOT IT cyber — it's systems-of-systems engineering work. Diverse backgrounds welcome: EE, software, systems, avionics, mission systems all valued; cybersecurity background is a plus, not required. 100% onsite, US Secret clearance post-start required. For a strong technical engineer pivoting INTO product cybersecurity from another engineering background.

In brief

A mid-level full-stack Palantir Foundry engineer on Boeing's Digital Launchpad team — owns end-to-end Foundry applications that turn raw data into operational decision interfaces and digital twins for aerospace / defense / supply-chain domains. 5+ years' full-stack plus 5+ years' React / TypeScript and 3+ years' taxonomy/ontology development; PySpark, S3/Parquet, JDBC for data work. Multi-site (this requisition includes Saint Louis among seven Boeing sites). For a Foundry engineer with both Ontology modeling depth and modern front-end skills.

In brief

A software engineering manager in O'Fallon overseeing the testing arm of Mastercard's Global Credit Card Authorization team — 2+ scrum teams of engineers, owns test strategy and process definition, validates solutions with architecture, and ensures features are ship-ready. Java development background needed for hands-on contribution. Snowflake platform exposure preferred. For a player-coach engineering manager on the system that authorizes the world's card transactions.

In brief

A senior Java full-stack engineer on Mastercard's Business & Market Insights team in O'Fallon — Java backend plus Angular / React front end, AWS cloud-native delivery, and ownership of PCI / GLBA / Safe Harbor compliance for B&MI's analytic and reporting solutions. For a senior full-stack engineer comfortable carrying both enterprise architecture alignment and customer-facing product delivery.

In brief

A Principal Engineer on Mastercard's Decision Stream program (next-generation Decision Management Platform) — hands-on technical leadership rather than strategy-only; designs and prototypes large-scale distributed systems, uses AI-assisted development tools, and shapes the AI & DPE technology strategy with executives. Multi-site (O'Fallon, Chicago, Purchase NY, San Francisco); deep Databricks / real-time AI inferencing expected. For a builder principal who teaches AI-assisted development as part of the job.

In brief

A senior Oracle DBA / Data Architecture engineer in O'Fallon supporting Mastercard's database environments — configures and sets up new database installs, performs upgrades and patching, leads RAC / cluster migrations, supports on-call production. Deep Oracle middleware (OEM/ODI/OWB/APEX) and Oracle 12c RAC required; partitioning, SQL tuning, PL/SQL background needed. For a senior Oracle specialist who wants enterprise data-architecture seat at a payments network.

In brief

A Level-3 Systems Engineer in Berkeley leading projects on Boeing's F/A-18 Advanced Mission Systems program — owns proposals, estimates, supplier SOWs, budget/schedule, and engineering coordination with the customer and Boeing leadership; export-compliance navigation required. F/A-18, avionics, agile development experience strongly preferred. Active US Secret clearance required. For a systems engineer who wants project-lead work on the Super Hornet's mission-systems modernization.

In brief

A junior-to-senior embedded software engineer in Berkeley on Boeing's Mission Systems Software team, writing safety- and mission-critical flight software in a CI/CD-driven Agile environment — capability areas span sensor fusion, mission management, resource management, fire control / weapons engagement, tactical comms, and 3rd-party software integration. C/C++ with embedded real-time experience; US citizenship required. For a software engineer who actively wants safety-critical embedded work on real flight hardware.

In brief

The companion senior Java full-stack engineer requisition to R-276492 on Mastercard's Business & Market Insights team in O'Fallon — same Java + Angular/React + AWS scope, focused on enterprise-application development that delivers analytic / reporting solutions to Mastercard's global customer base. For a senior full-stack engineer ready to slot directly into the B&MI program.

In brief

A people-manager-plus-technical-programmer in O'Fallon on Mastercard's Commercial Client Experience program (part of Commercial Solutions) — runs a team building modern authentication and authorization for commercial customers; Java / Angular / PCF / Spring Boot / Oracle stack, scrum-master responsibilities. Splunk observability. For an engineering manager who wants to stay hands-on while building authn/authz for the commercial side of Mastercard.

In brief

A junior Product Security Engineer in Berkeley on Boeing's Training Systems PSE team (covering P-8A, F/A-18, F-15, MQ-25, T-7A, CH-47, AH-64) — this requisition specifically supports the F-22 statement of work, applying DoD RMF / JSIG / NISPOM to embedded training systems. Active US Secret required; CompTIA Security+ or CySA+ within 6 months. Onsite 5 days/week. For an early-career cybersecurity engineer who wants entry into a clearance-gated training-systems PSE org via the F-22 line.

In brief

A junior-to-senior simulation software engineer in Berkeley on the F-22 Simulation Infrastructure team, maintaining the sim environment used by F-22 avionics developers and hardware/software integration labs across the enterprise — design, modeling, testing, and validation against real-world data. C++, Ada, with ability to obtain a Secret clearance; hybrid schedule. For a sim-infrastructure engineer who wants long-running work on the F-22 program.

In brief

A lead deployment & integration engineer on Phantom Works OASIS — based in Colorado Springs or Berkeley with a domestic temporary assignment at Beale AFB. Acts as the forward-deployed engineering lead at the customer site, owning factory-software install on cleared cloud, system upgrades, configuration control, and operational readiness; produces risk and readiness briefings up to program leadership. Active TS/SCI required. For a senior engineer comfortable being the on-site technical authority for mission software at a customer base.

In brief

A senior integration & test engineer on Phantom Works OASIS — based in Berkeley but on a domestic temporary assignment at Beale AFB, Sacramento (DTA benefits apply). Validates lab-vs-field parity, reproduces field defects, supports cybersecurity hardening, and coordinates with the St. Louis I&T team on OASIS deployments and release sell-off. Active Top Secret required. For a senior I&T engineer willing to deploy forward to a customer site for a tour.

In brief

A senior (Level 4/5) Software Security Engineer in Berkeley driving secure software into the Air Dominance hybrid-cloud environment — enterprise PSE seat collaborating with AI/ML, IaC, DevSecOps, Systems Engineering, and Data Science teams across the Saint Louis Programs portfolio. 100% onsite, US citizenship required. For a senior appsec engineer who wants enterprise-architect reach across an Air Dominance platform.

In brief

A junior-to-mid Cloud and Software Security Engineer in Berkeley driving secure software into a hybrid-cloud engineering environment within the Air Dominance portfolio (Saint Louis Programs) — sits in the enterprise Product Security Engineering (PSE) org and works alongside AI/ML, IaC, and DevSecOps disciplines on multi-site / multi-cloud secure architectures. 100% onsite, US citizenship required. For a cloud / appsec engineer who wants enterprise-architect-style reach across an Air Dominance platform.

In brief

The mid-to-senior version of the Phantom Works VMS real-time embedded role — same flight-control / subsystem-control software but with 5+ years' C/C++, 3+ years on real-time systems, and current Secret preferred. Hazelwood, Cambridge MA, or Mesa AZ; US citizenship required. For a seasoned embedded engineer comfortable owning end-to-end safety- and flight-critical software with VxWorks / DO-178C / fault-tolerance experience.

In brief

A junior real-time software engineer on a Phantom Works Vehicle Management System (VMS) program — flight and subsystem control software — based in Hazelwood, Cambridge MA, or Mesa AZ. 3+ years' C/C++ with 1+ years' safety- or flight-critical experience; preference for VxWorks / RTOS, MIL-HDBK-516C / DO-178C familiarity, and Python. US citizenship required for program access. For an embedded engineer with their first flight-critical experience who wants long-term VMS work on a Phantom Works platform.

In brief

A lead Azure platform engineer on Mastercard's Cloud Platform team in O'Fallon — provides automated Azure infrastructure to app teams via Terraform IaC; runs sustainable incident response and blameless postmortems; designs and develops platform solutions. ADO / Jenkins / BitBucket / Artifactory / SonarQube DevOps toolchain. For a lead cloud-platform engineer drawn to Mastercard's Azure side rather than AWS.

In brief

A senior Java/Spring engineer on Mastercard's File Transfer Platform team in O'Fallon — builds and operates mission-critical, highly available services for secure large-scale data movement across global environments. Apache Kafka / RabbitMQ / NATS event-driven background plus AWS / GCP / Azure / PCF cloud services. SAFe Agile. For a senior backend engineer who wants ownership of a mission-critical data-movement platform rather than feature services.

In brief

A senior backend data-platform engineer on Mastercard's AI & DPE Data Engineering team in O'Fallon, building large-scale backend services and batch/streaming pipelines on Cloudera Data Platform with Spark, plus AI-enabled services (anomaly detection, intelligent automation agents) on AWS and Databricks. Scala / Python / Java with CDP / Spark required. For a backend big-data engineer drawn to AI-agent work on global-scale transactional datasets.

In brief

A senior Business Rule Author on Mastercard's AI & Decisioning Platform Enablement (AI & DPE) team in O'Fallon — designs and delivers IBM Operational Decision Manager (ODM) rule solutions that power real-time, transaction-level fraud-prediction decisioning. Hands-on IBM ODM experience plus Java / OO design required. For an engineer who specifically wants ODM rule-engine work rather than general microservices.

In brief

A senior DevSecOps engineer in Berkeley leading the build / version-control / CI-CD / IaC toolchain (GitLab, Jenkins, Jira, Artifactory, SonarQube) that other Boeing software teams build on top of — across multiple networks including classified environments. 7+ years' C/C++/C#/Java, 6+ on cloud-architecture, plus deep IaC. For a senior platform/DevSecOps engineer comfortable making infra and toolchain decisions for cleared software factories.

In brief

A senior SRE on Mastercard's ProCOM team in O'Fallon — engages from inception/design through deployment / operation / refinement of platform services; analyzes ITSM activities to feed back operational gaps; supports CI/CD pipeline gating; teaches Chef recipe writing across releases. Go / Linux / Chef / Jenkins / Sonar / Maven / Artifactory toolchain. For an SRE engineer comfortable owning the Chef-driven deployment automation backbone.

In brief

A software engineering manager on Mastercard's Authentication team in O'Fallon — manages multiple scrum teams modernizing the global payments-authentication platform; Java microservices / REST APIs / event-based applications with Go and AI agents in flight. Cross-departmental initiatives with long-term business implications. For a manager who wants strategic-scope leadership on a high-visibility payments-security platform.

In brief

A lead cloud engineer on Mastercard's Cloud Team (ONE division) in O'Fallon, building a holistic Generative AI / LLM platform — designs MLOps/LLMOps for both commercial and open-source LLMs across AWS (SageMaker, Bedrock, AgentCore) and Azure (Azure ML, Microsoft Foundry); deep MCP / A2A agent-protocol expertise; Databricks / Iceberg / S3 / watsonx data platform; GitHub Copilot adoption. For a senior cloud engineer who actively wants to shape Mastercard's GenAI platform foundations.

In brief

A lead Quality Engineering Software Engineer in O'Fallon — Mastercard's QE org expects software-developer-level hands-on coding, not traditional QA. Builds test automation and test infrastructure across core / emerging payments / value-added services; works the mainframe side (COBOL, CICS, VSAM, DB2, DB2 Stored Procedures) alongside Java / C / C++. RALLY / ALM agile-and-waterfall background. For a senior engineer who likes writing code to break code on legacy and modern stacks alike.

In brief

A junior-to-mid Electronic Systems Design, Analysis, and Test Engineer hiring across Berkeley, Hazelwood, St. Charles, and Mascoutah IL for current and emerging programs spanning Air Dominance, Phantom Works, BGS, Precision Engagement Systems, and Boeing Test & Evaluation — fighters (F-15, F/A-18, F-47, F-22), T-7A trainers, MQ-25, JDAM, Harpoon. Onsite, sign-on bonus eligible. For an electronic-systems engineer looking for breadth across Boeing's St. Louis defense portfolio rather than a single platform.

In brief

A senior Tapestry Solutions engineer in Maryland Heights on the next-generation DoD Mission Planning system — JavaScript / React on the front end, C# microservices on the back end, SAFe Agile. 15+ years' development across JS / TypeScript / React / C# / C++ plus REST APIs; ability to obtain a Secret clearance. For a senior full-stack engineer who wants modern microservices work on a weapons-planning replatform.

In brief

A first-line engineering manager (Level K) in Berkeley running a SAFe Agile embedded-software team — accountable for cost, schedule, technical delivery, and earned-value management on a cleared program. 5+ years' SDLC plus prior leadership; Ada / C/C++ / Python / GIT / GitLab / DOORS / Earned-Value preferred. Active US Secret clearance required. For an engineering manager who has actually shipped embedded software, not just a generalist manager.

In brief

The multi-program version of the Training Systems PSE junior role — Hazelwood, covering training systems and virtual maintenance trainers across MULTIPLE Boeing platforms (P-8A, F/A-18, F-15, MQ-25, T-7A, CH-47, AH-64) rather than a single statement of work. CompTIA Security+ or CySA+ required at start (not 6-month grace); 15% business travel; US citizenship required. For an early-career PSE who wants breadth across the BGS training-systems portfolio.

In brief

The same Boeing Training Systems PSE associate role as JR2026509139, but in Hazelwood and tied to the P-8 Poseidon training-systems portfolio (and the related virtual maintenance trainers) rather than F-22. Applies RMF / JSIG / NISPOM to embedded P-8 training systems. Active US Secret required; CompTIA Security+ or CySA+ within 6 months; onsite 5 days/week. For a junior cybersecurity engineer drawn to the P-8 maritime-patrol training line.

In brief

A senior systems-software / integration-and-test engineer in Berkeley applying DevSecOps practices (CI/CD, IaC, containerized deployments) to system-level verification on cleared mission systems — defines test strategies, runs root-cause analyses, stands up secure test environments on AWS GovCloud or Azure Government, and uses MBSE for traceability. Active Top Secret clearance required. For a systems / I&T engineer who has bridged classic V&V with modern DevSecOps tooling.

In brief

A Phantom Works OASIS software engineer in Berkeley working data-fusion algorithms — Kalman filters, kinematic correlation, multi-modal sensor data fusion — and writing prototype implementations in C++ / Python / MATLAB that the architects then productionize. 2+ years' fusion-engine and Kalman experience plus sensor / weapons / datalinks knowledge. For an early-to-mid-career engineer who wants to live where signal processing, sensor systems, and software meet.

In brief

A senior embedded lead in St. Charles on the Automated Test Equipment (ATE) software team for armament programs — leading software requirements, design, implementation, and test across an ATE platform that loads and tests Boeing's munitions products in the factory and field. SAFe Agile, C++; works under minimal direction. Active Secret clearance required. For a senior embedded engineer who wants test-equipment software ownership rather than fielded-weapon software.

In brief

A junior Systems Engineer hiring across Berkeley, Hazelwood, and St. Charles into one of several SE disciplines — Architecture & Requirements, Integration / V&V, Reliability & Maintainability, Human Factors, Operations Analysis, Flight Crew Operations, or Crew Station Design — supporting Boeing's St. Louis defense portfolio (F-47, F-15, F/A-18, F-22, T-7A, MQ-25, JDAM, SDB, Phantom Works, AH-64, P-8, C-17). 100% onsite, US Secret clearance post-start required. For an entry-level systems engineer choosing among Boeing's marquee defense platforms for their first assignment.

In brief

A principal-level Cloud Solutions Architect in Berkeley (or North Charleston / Seattle) building analytic and ML/LLM solutions for Boeing's HR and workforce challenges — partners with HR leaders and HRIS / IT to ship cloud pipelines, MLOps automation, NLP / LLM / RAG platforms, with ethical-modeling guardrails baked in. 100% onsite (Berkeley listed). Strong Python / data-engineering / MLOps background plus an Oracle ERP touch. For a senior cloud architect drawn to enterprise HR-analytics work rather than mission systems.

In brief

An engineering manager in Hazelwood overseeing 15+ software engineers maintaining and transforming the Tomahawk Planning System for Tapestry / Boeing Global Services — owns program P&L and the team's CDRL preparation, delivery cost/schedule, and KPIs. Active US Secret clearance required. For a software manager who wants ownership of a sizable mission-planning team on a long-tail Navy program.

In brief

An early-career (entry-level Software Engineer II) on Mastercard's Decision Management Program (DMP) in O'Fallon — contributes to design, development, and testing of intelligence services that structure complex business logic for risk management and customer engagement under senior-engineer guidance. Foundational exposure to secure / scalable service development and enterprise encryption. For a recent grad or early-career engineer ready to learn Mastercard's engineering standards on a globally-deployed decisioning platform.

In brief

A senior embedded software engineer on Boeing Phantom Works' Vehicle Management System (VMS) program — flight and subsystem control software for advanced platforms — in Hazelwood (with Berkeley sub-location). Real-time embedded C/C++ on flight hardware, full lifecycle ownership from architecture through integration. Active US Secret clearance required. For an embedded engineer who wants real-time flight-critical work on a proprietary Phantom Works platform.

In brief

The lead-/senior-level companion to JR2026510865 — Electronic Systems Design, Integration, Analysis, and Test Engineers across Berkeley, Hazelwood, St. Charles, and Mascoutah IL, owning design and test of aircraft electronic/electrical systems for fighters, trainers, unmanned systems, and weapons. Translates customer requirements into architectures and defines verification strategies from lab to flight. Onsite, sign-on bonus eligible. For a senior electronic-systems engineer drawn to multi-program defense work.

In brief

The 5+ year senior version of the Berkeley GNC role — leads design trade studies on flight control laws and the 6-DOF sim, owns model validation against test data, and integrates control laws into the OFP via the VMS team; supports hardware-in-the-loop and flight testing. MATLAB/Simulink or MatrixX experience plus C / C# preferred. For a seasoned GNC engineer comfortable with autonomous trade-study ownership on a defense flight-controls program.

In brief

A lead software engineer on Mastercard's Builders Enablement Program (ONE division) in O'Fallon — building a standardized, cloud-first internal developer platform with React/TypeScript front ends, Backstage-plugin architectures, and a data-driven UI for observability and operational insights. C# / Splunk / Azure (Terraform on Azure). For a lead engineer who wants Backstage / IDP-platform work rather than customer-facing product engineering.

In brief

An aircraft-structures Fatigue Tracking Engineer at one of Boeing's St. Louis-region sites supporting the Aircraft Structural Integrity Program (ASIP) — designs and maintains software applications, integrates structural / system design requirements, runs root-cause failure analysis on in-service products. 5+ years' structural / fatigue analysis plus 3+ years' programming (FORTRAN, Java, SQL, HTML) preferred. The title hides a real software-engineering component inside a structural-engineering role; clearance-track Secret. For a structures engineer who also writes code rather than a pure software dev.

In brief

A lead DevSecOps engineer in Berkeley running a team that designs, deploys, and maintains the secure software-development toolchain across multiple sites and networks — including classified-cloud migrations and CI/CD inside collateral-secret environments — for cleared C++ programs. 10+ years' software engineering plus 3+ years' containerized dev and DevSecOps lifecycle; TS/SCI preferred. For a senior DevSecOps lead who wants to architect cleared cloud and modernize a defense-software factory.

In brief

An early-career hands-on full-stack engineer on Mastercard Corporate Solutions in O'Fallon, building Mastercard's global B2B payments-management platform — codes secure front end plus REST API backend that's modular, functional, and testable. Agile delivery. For an early-career engineer who wants product-engineering scope on a B2B-payments platform rather than back-of-house infrastructure.

In brief

A mid-level SDET on Mastercard's Global Credit Card Authorization team in O'Fallon — develops test plans from high-level design, designs and runs functional / integration / UAT cases, validates system behavior by analyzing application traces and metrics, and performs root-cause defect analysis. Java background plus Linux / scripting. Hybrid (3 days onsite). For a mid-level SDET who wants ownership of test cycles on the system that authorizes billions of card transactions.

In brief

A lead Software Development Engineer in Test on Mastercard's Global Credit Card Authorization team in O'Fallon — leads C / C++ system-component development and Google Test unit tests; translates high-level design into test plans, owns end-to-end quality for key authorization services, and mentors SDETs. Hybrid (3 days onsite). For a senior SDET who wants both hands-on C++ test development and engineering-leadership scope on the world's largest payment-authorization platform.

In brief

A senior internal-tooling engineer on Mastercard's Internal Systems & Automation Technology team in O'Fallon — builds and supports applications on Microsoft Power Apps (Canvas and Model-driven), integrates with Dataverse / SharePoint / Excel / SQL / APIs, and uses Power Automate for workflows. JavaScript / HTML / Azure / REST plus SOAP / Python integrations. For an engineer who specifically wants Microsoft Power Platform / low-code internal-tooling work.

In brief

A senior performance-engineering engineer on the Authorization team in O'Fallon — partners with development teams to optimize response time; designs and runs performance tests, creates RPS / P95 / P99 / concurrency / utilization measurements, and digs into Java code + databases + middleware to fix bottlenecks. Java Spring Boot plus APM (Dynatrace, Splunk, JProfiler, JMH) and PostgreSQL/Oracle query tuning. Payments industry experience (ISO 8583, 4-party model) preferred. For a Java performance specialist on a payments network.

In brief

A lead SRE on Mastercard's Business Operations (Biz Ops) team in O'Fallon — production-readiness steward across Mastercard's products; works with developers to break down barriers, foster ownership, and build resilient products. Java backend plus DevOps / infrastructure background. For a senior SRE leader drawn to developer-empowerment work rather than pure on-call rotation.

In brief

The junior version of Boeing's Berkeley GNC role — 2+ years' experience supporting flight-control-law design, 6-DOF simulation development, and model validation against test data; works alongside VMS engineers to fold control laws into the OFP and supports hardware-in-the-loop / flight testing. MATLAB/Simulink, C/C# preferred; mentorship-track. For an early-career GNC engineer ready to grow into the senior role on the same Air Dominance program.

In brief

A senior research-style structural analysis engineer in Berkeley in Boeing's Materials & Structures Organization — leads research on composite and metallic aircraft structures, captures and runs external CRAD (Contracted Research and Development) programs, and partners with academia, industry, and the US Government. 5+ years' CRAD capture-and-management plus 5+ years' leading R&D teams; linear / nonlinear FEA preferred. Clearance-track. For a recognized structures-and-materials expert who has won CRAD programs before.

In brief

A Director leading ~25 engineers (4-5 direct reports across US/India/Europe) on Mastercard's Data Analytics and AI Program (Services Technology) — owns end-to-end strategy across Portfolio Optimization, Merchant & Customer Ad Insights, and Location Insights products. Hybrid (Arlington VA or O'Fallon, 3 days onsite). React/TypeScript / Java / C# stack with Databricks data engineering. For a director-level engineering leader who wants to scale a global-team Data + AI product portfolio.

In brief

A junior-to-senior Flight Simulation Software Engineer in Berkeley building tools that support sim infrastructure across Boeing's Flight Simulation Labs — creating reusable core sim infrastructure, message-monitoring tools, and constructive-scenario sim environments for Air Dominance avionics development. C/C++/C#/Python/Java/Ada with 2+ years; ability to obtain a Secret clearance. For a simulation-tooling engineer rather than a feature-OFP developer.

In brief

A senior BizOps SRE in O'Fallon supporting Mastercard's Data Delivery and Analytics program (MyMPA, QMR) — engages from inception through deployment / operation / refinement on applications, services, and platforms. Unix / Shell / SQL / Python / Apache NiFi / Splunk / Dynatrace / Jenkins / GIT / XLR toolchain. Go background preferred. For a senior SRE drawn to data-platform operational ownership rather than core-payments uptime.

In brief

A senior software engineer on Mastercard's Customer Connectivity team in O'Fallon — designs and builds shared cryptography, certificate-management, code-signing, and key-management services used by application teams across the enterprise. Java backend plus deep corporate-security interest. For a senior engineer who specifically wants to own enterprise crypto / PKI infrastructure rather than feature application work.

In brief

A lead BizOps Engineer (senior IC technical authority) on Mastercard's Business Operations team in O'Fallon — operates above the single-team level, shaping reliability strategy and defining standards across Mastercard's most business-critical services. Influences via technical credibility rather than authority; designs out operational risk proactively. Splunk observability. For a senior SRE / Operational Resilience architect ready to influence portfolio-wide standards.

In brief

An early-career front-end Software Engineer II on Mastercard's Infrastructure Design Engineering Automation (IDEA) team in O'Fallon — builds the internal RAA tool (a web-based architecture-design app used by Mastercard's infrastructure / platform / architecture teams). Foundational JavaScript / TypeScript / React; hybrid (3 days onsite). For an early-career front-end engineer drawn to internal developer-tools work rather than customer-facing product.

In brief

A second early-career Software Engineer II requisition on Mastercard's Decision Management Program in O'Fallon — same DMP intelligence-services product family as R-277898 (faster, smarter decisioning at global scale across the payment journey), focusing on secure / scalable service development under senior-engineer guidance. For a recent grad who wants to slot directly onto a DMP team.

In brief

A lead BizOps SRE on Mastercard's Business Operations team in O'Fallon — production-readiness steward across Mastercard's products, fostering developer ownership and breaking down barriers to run products resiliently. Java / DevOps / infrastructure background; parallel req to R-271827. For a lead SRE who values empowerment of dev teams over centralized ops.

In brief

A senior big-data engineer on Mastercard's Enterprise Data Solutions team in O'Fallon — develops secure, scalable data pipelines using Spark with Scala / Python on Hadoop or object storage; builds NiFi pipelines; works with Oracle and Netezza databases. 6+ years' data-warehouse plus Spark + NiFi background. For a senior data engineer drawn to enterprise-scale Big Data infrastructure rather than analytics-product development.

In brief

A VP-level engineering leader in O'Fallon owning the Authorization Decisioning domain within Mastercard's Decision Management Program — orchestrates high-throughput, low-latency decisioning across rules engines, AI/ML inference, data pipelines, and platform services. Leads engineering managers + senior technical leaders; hybrid (3 days onsite). For a VP-level technology executive comfortable with both engineering excellence and product-strategy navigation.

In brief

A senior Principal Architect on Mastercard's Corporate Technology Solutions (CTS) team — defines target architectures across third-party SaaS, full-stack engineering, and data platforms for Risk, Compliance, and People & Capabilities tech. Reports to SVP; hybrid (Purchase NY, O'Fallon, or NYC 150 5th Ave). Databricks data platform plus data-first mindset. For a principal-level architect who wants enterprise-architecture seat behind Mastercard's corporate tech rather than payments tech.

In brief

A senior BizOps SRE on Mastercard's Business & Market Insights BizOps team in O'Fallon — CI/CD pipeline ownership, DevOps automation, and production-readiness stewardship for B&MI products. Go background preferred plus DevOps / infra. For a senior SRE who values low tolerance for manual work and wants to automate everything possible on a business-analytics platform.

In brief

A lead engineer on Mastercard's Artificial Intelligence & Decision Processing Engineering team in O'Fallon — develops new capabilities for the Decision Management Platform (a patented Java platform processing billions of transactions per month in tens of milliseconds for fraud and identity validation). Java / data-eng / DevOps; SAFe Agile. For a lead engineer drawn to multi-tiered message-oriented high-performance work on a patented fraud platform.

In brief

A lead developer on Mastercard's Commercial Data Integration Platform (CDIP) team in O'Fallon — leads internal employees and SOW contractors building a Databricks-based platform that ingests Recorded Future threat data and joins it against Mastercard datasets to commercialize insights into Mastercard products. For a lead engineer who wants Databricks + threat-intelligence data engineering rather than pure payments work.

In brief

A senior Java/Spring engineer on Mastercard's ABU (Account Billing Updater) team in O'Fallon — modernizes the platform that lets issuers and acquirers securely communicate account changes to merchants for credential-on-file and recurring payments, reducing preventable declines in card-not-present transactions. Java backend with Spring and gRPC; domain-driven design. For a senior backend engineer who values modernization work on a credential-management platform.

In brief

A senior BizOps SRE / Operational Readiness Architect on Mastercard's Business Operations team in O'Fallon — production-readiness steward with focus on operational design, automation, capacity planning, monitoring, and blameless post-mortems. Splunk observability plus DevOps / infra. For a senior SRE drawn to architectural seat on operational readiness rather than incident-firefighting.

In brief

A senior BizOps SRE on Mastercard's Business Operations team in O'Fallon — leads DevOps transformation via tooling and standards advocacy; supports developers during build with operational design, capacity planning, and monitoring patterns. Go background; Splunk + Tripwire observability. For an SRE who fits the 'low tolerance for manual work' archetype Mastercard explicitly hires for.

In brief

A senior platform engineer on Mastercard's DevFlow team (Software Builders Experience program) in O'Fallon — administers and enhances Mastercard's CI/CD tooling (Jenkins, Maven, Git/BitBucket, Artifactory) and builds deployment automation in Chef (Infra, Habitat) plus Ansible / Terraform / Sonar. Ruby preferred. For a senior CI/CD-platform engineer who specifically wants Chef-driven deployment-automation ownership.

In brief

A mid-level software engineer on Tapestry Solutions / Tomahawk in Hazelwood, designing, developing, testing, and maintaining non-embedded software across the program's end-to-end lifecycle — translating customer requirements into design, optimizing for systems integrations, debugging issues to keep the missile-planning software reliable. Active Secret clearance with ability to obtain TS/SCI; VB.NET / C# stack with 5+ years. For a mid-career .NET engineer who wants steady mission work on a program that will run for years.

In brief

A Director of SRE on Mastercard's BizOps team in O'Fallon — production-readiness steward for Mastercard's global products; thought-leader role with significant mentoring scope, owning the reliability / scalability / performance of services that power Mastercard globally. Java / Go / DevOps / infrastructure background plus Splunk. For a director-level SRE comfortable both with technical authority and developing engineering organizations.

In brief

Another Lead BizOps SRE requisition on Mastercard's Business Operations team in O'Fallon — same production-readiness steward role as R-272920 / R-273291, breaking down barriers between developer ownership and resilient run-state. Java + DevOps + infrastructure background. For an SRE comfortable rotating through BizOps roles across different Mastercard product areas.

In brief

A senior Tapestry / Tomahawk software engineer in Hazelwood — same Tomahawk Land-Attack Missile product as the mid-level posting, but 10+ years' VB.NET / C# / .NET Framework plus 5+ years' SQL and 3+ years' unit-testing-framework experience required. Active Secret clearance with TS/SCI obtainable. For a deep .NET / SQL veteran who has owned production database / mission-planning systems over a decade.

In brief

An early-career Software Engineer II on Mastercard's Remote Payment and Presentment System (RPPS) team in O'Fallon — RPPS is a 1987-founded electronic payment network that routes, clears, and settles consumer bill payments across the US. Angular / TypeScript / Java / SQL with Spring Boot microservices; secure coding standards (OWASP, CWE). For an early-career engineer drawn to a long-running bill-payment platform with modernization in flight.

In brief

A mid-level BizOps SRE on Mastercard's Financial Solutions BizOps team in O'Fallon — solves problems, builds the CI/CD pipeline, and leads Mastercard in DevOps automation and best practices on the Financial Solutions platform. Go + DevOps / infra. For a mid-level SRE who wants Financial Solutions-domain BizOps ownership.

In brief

A mid-level BizOps SRE in O'Fallon monitoring a mainframe application plus running a Linux server migration — production-readiness work on a hybrid legacy + modern platform with deep DevOps automation focus. Go background plus DevOps / infrastructure / mainframe. For a BizOps engineer who actually wants the mainframe-to-Linux migration work rather than greenfield platform engineering.

In brief

A senior Principal Architect on Mastercard's Data & Analytics organization — defines the enterprise data architecture across hybrid cloud + on-prem environments for both high-throughput batch and low-latency real-time workloads, with Data Mesh principles. Reports to SVP; hybrid (O'Fallon, Arlington VA, or NYC). Databricks / Snowflake / Delta Lake / streaming platforms. For a principal data-architect who wants to shape Mastercard's global edge-everywhere data strategy.

In brief

A senior Fraud Rules engineer in O'Fallon — hands-on Rule Author on large-scale Fraud Rules Engine migrations, with applied familiarity with Gen AI and LLMs as they touch fraud rules. Java / Python / Go; relational + NoSQL databases; 5 9's availability targets. Banking domain experience preferred. For a senior engineer who specifically wants Fraud Rules + AI work rather than core payments.

In brief

A VP-level engineering leader in O'Fallon owning the In-Memory data grid strategy for Mastercard's Decision Management Platform — high-throughput, low-latency Java distributed systems powering fraud prevention and identity solutions; leads global engineering teams across multiple regions; runs modernization across cloud and on-prem. For a VP who wants real-time platform leadership with strong In-Memory data grid / Java architecture grounding.