Relativity Space · 2 weeks ago
Sr Software Engineer, Vehicle Software Infrastructure
Long Beach, California
Full-time
Onsite
Senior Level
$165K/yr - $211K/yr
5+ years expRelativity Space is building rockets to serve today’s needs and tomorrow’s breakthroughs. The Sr Software Engineer will design, develop, and maintain mission-critical, Linux-based infrastructure supporting command, telemetry, simulation, and automated test systems while collaborating with cross-functional teams to ensure operational readiness.
3D TechnologyAerospaceArtificial Intelligence (AI)Manufacturing
Responsibilities
Design, develop, and maintain mission-critical, Linux-based infrastructure supporting command, telemetry, simulation, and automated test systems
Build and extend tools for executing tests across a range of environments, including virtual machines, HIL/SIL configurations, and vehicle-in-the-loop setups
Optimize system performance and reliability, with a focus on real-time, high-throughput data processing in Linux environments
Contribute to architectural decisions, sprint planning, and roadmap discussions to ensure scalable, maintainable systems
Collaborate with cross-functional teams, including avionics, ground software, and flight software to ensure smooth integration and operational readiness
Mentor peers, share best practices, and help foster a culture of engineering excellence across the team
Qualification
Required
5+ years of professional software engineering experience, including systems or infrastructure-level development
Proficiency in Rust and/or Python, with strong understanding of performance, concurrency, and systems-level programming
Experience developing in Linux environments, including working with real-time or performance-critical systems
Strong foundation in networking concepts (e.g., TCP/UDP, sockets, packet routing, protocol design)
Experience building or maintaining reliable, testable software in CI/CD pipelines
Ability to design and deliver robust solutions for low-latency, high-throughput data pipelines
Preferred
Experience developing or working with software-in-the-loop (SIL), hardware-in-the-loop (HIL), or real-time simulation systems
Familiarity with real-time Linux kernel tuning, system observability, or performance debugging
Experience building tools for command and telemetry injection, test automation, or avionics/hardware development environments
Exposure to robotics, aerospace, embedded systems, or other mission-critical domains
Ability to lead technical investigations and contribute to architectural decisions in cross-functional teams
Background working on distributed systems, large-scale simulation environments, or hybrid software/hardware testing systems
Strong collaboration and communication skills, especially working closely with hardware, embedded, and flight software teams
Benefits
Competitive salary and equity
Generous PTO and sick leave policy
Parental leave
Annual learning and development stipend
Company
Relativity Space
Relativity Space is an aerospace company that designs, develops, and builds 3D printed rockets.
1001-5000 employees
Funding
Current Stage
Late StageTotal Funding
$1.36BKey Investors
FidelityTiger Global ManagementPlayground Global
2023-11-15Series F· $20M
2022-02-03Secondary Market
2021-06-08Series E· $650M
Leadership Team
Eric Schmidt
Chair and CEO
David Giger
VP of Engineering
Recent News
Research & Development World
2025-12-24
2025-11-14
2025-11-12
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