Senior Flight Software Engineer

Here at The Exploration Company, we are developing, producing, and operating Nyx, a modular and reusable space orbital vehicle that can eventually be refuelled in orbit and that can carry cargo - and potentially humans in the longer run.

We are seeking a highly motivated Senior Flight Software Engineer to join our mission-driven team developing Nyx. In this role, you will take full ownership of key components of the flight software stack. You will be designing, implementing, and testing mission-critical systems that enable safe, autonomous, and reliable spaceflight operations.

You will work in a fast-paced, collaborative environment where cross-functional integration is essential. Your code will interface directly with vehicle avionics, guidance systems, propulsion, communications, and ground control. Expect to write modern, high-reliability C++ and Python code, drive software simulations, and ensure flight readiness through rigorous testing at both unit and system levels.

*Applications at all seniority levels are considered.

KEY RESPONSIBILITIES

- Design, implement, and own core flight software modules for spacecraft control, telemetry, data handling, fault management, and communications.

- Develop in modern C++ and Python for support tooling, following best practices in software architecture, testing, and performance optimization.

- Build and maintain test frameworks for automated unit, integration, and hardware-in-the-loop (HIL) testing to validate software behavior across mission phases.

- Create and run high-fidelity simulations to model flight dynamics, subsystem interactions, and edge cases.

- Collaborate closely with GNC, avionics, propulsion, and mission operations teams to ensure seamless integration and mission success.

- Participate in code reviews, design reviews, and flight readiness assessments.

WHAT WE WOULD LOVE TO SEE FROM YOU

- Strong proficiency in modern C++ (C++17 or newer) and Python.

- Experience with real-time sys...