Senior Software Engineer, Flight Software
About the role
Senior Flight Software Engineer responsible for the full lifecycle of real-time, mission-critical software for Relativity Space's Terran R program, collaborating with GNC, Propulsion, and Avionics to integrate sensors and actuators, develop telemetry, testing infrastructure, and CI/CD pipelines.
Responsibilities
- Write concise documentation such as Concept of Operations, Interface Control Documents, and Software Design Documents.
- Architect and deliver core flight software with a strong focus on meeting system and performance requirements such as latency, allowed jitter, and control frequency.
- Develop telemetry system that prioritizes, filters, stores and forwards, and encodes/decodes telemetry to RF format, and routes that data through ground stations and to data centers.
- Support the development and integration of testing infrastructure such as HITL (Hardware-In-The-Loop) and HOOTL (Hardware-Out-Of-The-Loop) and physics and fluid sims.
- Build automated unit, integration and system level tests in CI/CD.
- Focus on maximizing the team's velocity by defining processes, best practices, integrating modern tools and technologies, and mentoring junior engineers.
Qualifications
- An undergraduate or graduate degree in Electrical Engineering, Computer Engineering, Computer Science, or Aerospace Engineering
- 5+ years experience of production development experience
- Deep professional experience delivering production-level and real-time embedded software
- Expert in Rust, C++, and/or other system languages, as well as algorithms and data structures
- Expert in Linux OS concepts (memory management, CPU shielding, scheduling)
- Expert in networking concepts (TCP/IP, UDP)
- Experience with software development processes including source control, bug tracking, and CI/CD
Skills
Benefits
- Competitive salary and equity
- Generous PTO and sick leave policy
- Parental leave
- Annual learning and development stipend
- Additional benefits as listed on company site
About Relativity Space
Building humanity’s multiplanetary future.
Relativity is building humanity’s multiplanetary future. We invented a new approach to design, build, and fly our own rockets, starting with Terran 1 – the world’s first entirely 3D printed rocket, and Terran R, our next generation medium-heavy lift fully reusable launch vehicle. As a vertically integrated technology platform, Relativity is at the forefront of an inevitable shift toward software-defined manufacturing. By fusing 3D printing, artificial intelligence, and autonomous robotics, we are pioneering the factory of the future. Disrupting 60 years of aerospace, Relativity offers a radically simplified supply chain, building a rocket with 100x fewer parts in less than 60 days. We believe in a future where interplanetary life fundamentally expands the possibilities for human experience. Our long-term vision is to upgrade humanity’s industrial base on Earth and on Mars.
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