Senior Flight Software Engineer
Poseidon Aerospace1 day ago
Alameda, CA, USASenior
Responsibilities
- Own the architecture of major flight software subsystems, including timing, partitioning, and redundancy.
- Design and implement deterministic, real-time embedded flight software in C++.
- Design fault detection and response, including redundancy management, degraded modes, and lost-link behavior.
- Define software requirements and interfaces with avionics, GNC, and flight test, and trace them to tests.
- Implement GNC algorithms in flight code and verify them against simulation.
- Set testing strategy across unit tests, software-in-the-loop, and hardware-in-the-loop testing.
- Build telemetry, logging, and command paths between the aircraft and ground station.
- Lead aircraft software integration and support ground and flight testing, including travel to the flight test site.
- Set coding standards and review practices, lead design reviews, and mentor other flight software engineers.
Requirements
- Bachelor’s degree in computer science, engineering, or a related field, or equivalent experience.
- 5+ years of professional C or C++ development on embedded, real-time, or safety-critical systems.
- Experience owning a flight software subsystem or equivalent from architecture through fielded operation.
- Experience taking software through hardware integration and testing on a real vehicle such as an aircraft, spacecraft, or automotive vehicle.
- Experience designing fault detection and response for systems where failure had safety consequences.
- Experience leading design reviews and setting technical direction for other engineers.
- Preferred: flight software experience on aircraft or spacecraft; RTOS or bare-metal development; redundant or fault-tolerant flight computer architecture experience; DO-178C or ISO 26262 experience; flight or vehicle test campaign experience; Python for tooling, test automation, and flight data analysis; and clear technical writing.
Benefits
- Competitive salary and 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 company offices.
- AI tools and subscriptions.
- The role includes travel to the flight test site.
About Poseidon Aerospace
Poseidon Aerospace builds and operates full-size autonomous cargo aircraft for air freight and logistics. Its Heron seaplane and Egret STOL platforms are designed to carry roughly two tons over about 1,000 nautical miles, supporting routes from remote communities to defense logistics. The privately held company is headquartered in San Francisco with offices in Washington, DC and Maine, and sells aircraft operations and systems to commercial and government customers.