Senior Avionics Engineer

The role

You will own the electrical and avionics architecture for cargo aircraft, mission systems, and the ground control station. You will manage design, build, qualification, and flight test processes.

What you will do

• Own the electrical and avionics architecture of the aircraft, mission systems, and ground control station
• Define the power system architecture and own the electrical load analysis
• Lead selection and qualification of flight computers, mission computers, actuators, sensors, radios, and datalinks
• Define the data bus and network architecture
• Own interface control documents between avionics, flight software, GNC, propulsion, and airframe
• Set standards for schematics, wire harness design, grounding, bonding, and shielding
• Plan and lead EMI/EMC and environmental qualification testing
• Define the flight test instrumentation architecture
• Lead root cause analysis of avionics hardware failures including travel to flight test site
• Support system safety assessments and certification evidence, manage suppliers, and lead design reviews

Required qualifications

• B.S. in electrical engineering, aerospace engineering, or a related field, or equivalent experience
• 5+ years designing and integrating avionics or electrical systems on aircraft, spacecraft, or comparable vehicles
• Owned the electrical or avionics architecture of a vehicle or major subsystem from concept through test
• Designed power distribution systems, including circuit protection and load analysis
• Took avionics hardware through integration and ground or flight test on a real vehicle
• Experience with redundancy design and failure mode analysis for safety-critical hardware
• Led design reviews and set technical direction for other engineers

Nice to have

• Experience with uncrewed aircraft, including command and control datalinks and ground control station hardware
• Experience integrating mission systems or payloads
• Experience with fly-by-wire actuation systems
• Experience qualifying hardware to DO-160 or developing hardware under DO-254
• Familiarity with ARP4754A and ARP4761 system safety processes
• Familiarity with MIL-STD-704, MIL-STD-461, and AS50881
• Experience with flight test instrumentation and data acquisition systems
• Private pilot certificate or Part 107 certificate

Benefits

• Competitive salary
• Meaningful early-stage equity
• Relocation support if applicable
• Employee Health Benefit Plans
• 6% Retirement matching
• Flexible PTO
• Free lunches, snacks, and a stocked fridge at our offices
• AI tools and subscriptions

About the company

Poseidon Aerospace builds and operates full-size autonomous cargo aircraft capable of carrying two tons of payload over a thousand nautical miles. The company is headquartered in the San Francisco Bay Area with locations in Washington DC, Oregon, and Maine.