Senior Software Engineer- Flight Autonomy

2 days ago

Boston, Massachusetts, United States Merlin Full time

About You:

Merlin Labs is seeking a Senior Software Engineer with strong experience in DO-178C flight software development and avionics integration. In this role, you will design and implement safety-critical autonomous flight software, integrate it with avionics hardware platforms, and contribute to certification-ready development processes.

Responsibilities:

  • Develop, integrate, and verify flight-critical software using C/C++ following DO-178C processes
  • Build application-level flight software and ensure robust integration with underlying avionics hardware interfaces
  • Create, maintain and review software requirements, code and certification artifacts adhering to certification plans and standards
  • Troubleshoot integration issues on test benches and aircraft
  • Develop automated workflows for software integration and build processes
  • Collaborate with engineers from cross functional groups such as systems, safety, hardware, flight controls and test to ensure product and program level needs are met
  • Contribute to planning and execution of SOI audits and certification reviews
  • Create and maintain comprehensive documentation for software requirements, architecture, build processes and design decisions
  • Support hardware-in-the-loop (HIL), processor-in-the-loop (PIL), and flight testing activities

Qualifications:

  • Bachelor's or Master's in Computer Science, Electrical Engineering, Aerospace, or related field
  • 3-5 years of embedded or flight software development experience within a DO-178C environment
  • Strong proficiency in C/C++ for embedded, real-time, safety-critical systems
  • Understanding of avionics protocols and architectures (ARINC 429, ARINC 653, CAN, MIL-STD-1553, Ethernet)
  • Experience designing and implementing software for real-time operating systems (RTOS), with strong knowledge of low level topics such as device driver development, interrupt handling, memory management, and performance estimation
  • Strong experience with requirements management, including authoring high-quality software requirements, maintaining traceability, and using tools such as DOORS, Jama, or Polarion
  • Experience with hardware/software integration, debugging on target hardware, and use of analysis tools (logic analyzers, bus analyzers)
  • Experience with Python scripting, tool automation and test automation
  • Experience with CI/CD environments and automated code quality checks

Nice To Have

  • Background integrating software across diverse avionics platforms or multicore systems
  • Familiarity with flight controls, autonomy, GNC, or aircraft certification efforts
  • Exposure to MathWorks tools and Model-Based Development workflows (DO-331)
  • Prior involvement in SOI audits or FAA/EASA certification programs

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