Principal Python Engineer

Principal Python Engineer Modeling & Simulation

Boston preferred | San Francisco | Remote

Full-time | Hybrid or remote

U.S. security-clearance eligibility required

Were hiring a hands-on Python Engineer to build advanced modeling, simulation and code-translation systems for mission-critical applications.

• Production Python platforms
• Agentic AI and distributed workflows
• Queues, state machines and backend services
• REST, GraphQL and gRPC APIs
• Code-analysis, static-analysis and translation tools
• Cloud-based, containerized systems

• Deep production Python experience
• C++ and AFSIM, or comparable simulation exposure
• Complex backend or distributed-system ownership
• Strong understanding of APIs, data structures, failure handling and performance
• Experience in defense, autonomy, robotics, aerospace, geospatial, logistics or operations research
• Clear, confident communication about systems you personally designed and shipped

Senior and Principal candidates should also demonstrate technical leadership and mentorship while remaining hands-on.

• Highly competitive compensation
• 100% covered medical, dental and vision premiums
• 401(k) with 5% match
• Uncapped vacation
• Flexible hybrid or remote work
• Relocation support

Boston is the preferred hub, but strong candidates in San Francisco or working remotely within the U.S. are encouraged to apply.