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Merlin · 1 month ago

Senior Software Engineer- Flight Autonomy

Boston

Full-time

Hybrid

Mid, Senior Level

3+ years exp

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.

Air TransportationInformation TechnologySoftwareTransportation

Growth Opportunities

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

Qualification

DO-178CC/C++Embedded systemsAvionics protocolsRTOSRequirements managementPython scriptingCI/CDHardware/software integrationDocumentation

Required

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