Avionics Engineer
Avionics Engineer -
February 13, 2026
-Seattle WA
-Job Description -
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Principal Avionics EngineerJob Duties, Responsibilities and Desires:
Avionics Design and Certification Activities, including but not limited to:
- Create and modify Avionics System Requirements.
- Create and review Certification Plans.
- Create and review Component Qualification Test Plans and Qualification Test Reports (QTP and QTR).
- Review qualification by similarity and/or analysis reports.
- Review system safety documents (PSSA, SFHA, AFHA, SSA and Particular Risk Analysis).
- Demonstratable working knowledge of relevant industry standards and guidelines to support design and certification needs (4754B, 4761A, DO-297, DO-254, DO-178, etc).
- Create, review and approve test procedures and their corresponding test reports.
- Design and modify avionics system architectures.
- Demonstratable working knowledge of avionic bus protocols (A664, Ethernet, CDMA, A429, A717, CAN, TTE, etc).
- Ability to select components and parts to support avionic system development or modification.
- Participate in and host Systems Design Reviews.
- Support the Supply Chain team by building relationships with system and component suppliers.
- Coordinate with certification authorities and DERs.
- Review and maintain a working knowledge of certification guidance material (AC, TSOs, FAR, CS, etc.) to achieve airworthiness and support certification efforts.
- Create, review and approve Interface Control Documents (ICD) at component, system and aircraft levels.
- Create, review and approve certification artifacts and compliance reports to support V&V efforts.
Avionics System Test Activities - including but not limited to:
- Working knowledge of MBSE, simulation and system development tools and techniques.
- Create and review test plans to support Component Test, System Test (SIL & HIL) and Flight Test.
- Create, support and review Flight Test Instrumentation (FTI).
- Support Pre- and Post-Flight Test briefings.
- Review, support and monitor live flight test telemetry data.
- Process, analyze, and decompose post-flight test data.
- Define and develop actionable tasks that result from post-flight test findings.
Position Requirements:
Education
- Four (4) year degree in Engineering (Aerospace, Electrical, or STEM)
- Other Engineering fields may be considered
- 10+ years of proven relevant experience (preferred, but not required)
- Demonstratable working knowledge of avionic systems and their functions (IMA, Comm, Nav, FMS, Displays, Recorders, Air data, CAS, Antennae, Network, etc).
- Experience in aerospace certification (preferred, but not required)
- Proficiency and knowledge with aircraft documentation (required)
- U.S. Person (required)
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