Avionics Engineer, Autonomous Cargo Aircraft — Equity

Poseidon Aerospace; Alameda (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Relocation support

Health Benefit Plans

6% Retirement matching

Flexible PTO

Free lunches and snacks

Job summary

Poseidon Aerospace is transforming how goods move with autonomous cargo aircraft in the SF Bay Area. We seek an Avionics Engineer to help design, integrate, and validate avionics systems powering our aircraft, enabling propulsion, control, and autonomy across the fleet.

You will own integration of flight computers, sensors, actuators, and communications, craft wiring diagrams, and troubleshoot data buses. You’ll bridge software, mechanicals, and flight test teams to diagnose issues during ground

Qualifications

• Experience integrating complex electronic systems on vehicles (aircraft, UAVs, or high-performance automotive).
• Proficiency in schematic capture/harness design tools (Altium, AutoCAD Electrical, Capital).
• Comfortable using lab equipment to debug hardware and signal issues.

Responsibilities

• Own the integration of flight computers, sensors, actuators, and communication suites into a cohesive aircraft system.
• Develop wiring diagrams, ICDs, and system schematics.
• Configure and troubleshoot data bus architectures (CAN, ARINC 429, RS-232/485, Ethernet).
• Support electrical load analysis (ELA) and EMI/EMC mitigation across the airframe.
• Assist in bench-to-bird testing, build test harnesses, and perform HIL testing.
• Act as technical liaison between software, mechanical structures, and flight test pilots.
• Diagnose gremlins during ground and flight testing with scopes and data logs.

Skills

System integration

Schematic design

Lab equipment

Python/C++

DO-178/DO-254

Tools

Altium

AutoCAD Electrical

Capital

Job description

Poseidon Aerospace is transforming how goods move with autonomous cargo aircraft in the SF Bay Area. We seek an Avionics Engineer to help design, integrate, and validate avionics systems powering our aircraft, enabling propulsion, control, and autonomy across the fleet.

You will own integration of flight computers, sensors, actuators, and communications, craft wiring diagrams, and troubleshoot data buses. You’ll bridge software, mechanicals, and flight test teams to diagnose issues during ground