Relativity Space · 1 day ago
GNC Simulation Engineer I
Long Beach, CA
Full-time
Onsite
New Grad, Entry Level
$119K/yr - $151K/yrRelativity Space is building rockets to meet today's launch demands and pioneer future innovations. As a GNC Simulation Engineer I, you will contribute to the development of flight algorithms and simulations, working with various teams to optimize the flight performance of the Terran R vehicle.
3D TechnologyAerospaceArtificial Intelligence (AI)Manufacturing
Responsibilities
You will be a key contributor to the 6DOF simulation used for GNC algorithm development, Monte Carlo analysis, and hardware-in-the-loop (HITL) testing
Work with analysis and hardware teams to develop and integrate subsystem models into the 6DOF simulation
Implement numerical solvers and physics models
Develop simulation configuration, scheduling, logging, and Monte Carlo capabilities
Develop simulation interfaces with GNC algorithms
Maintain and improve the development environment for simulation users
Contribute to other cross-functional software packages at Relativity
Qualification
Required
An undergraduate or graduate degree (BS/MS/PhD) in engineering, physics, mathematics or related disciplines
Proficiency with compiled (e.g. C++, Rust) and scripted (e.g. Python) languages
Experience developing physics-based simulations
Relevant student team, research, internship, or full-time experience
Ability to work in a fast paced and intense startup environment
Ability to complete projects with ownership of end-to-end solutions with a high degree of independence
Preferred
Familiarity with the design and analysis of launch vehicles or space systems
Experience developing aerospace vehicle simulations that interface with GNC algorithms and/or hardware-in-the-loop (HITL) testing
Experience implementing high-performance computing (HPC) solutions
Experience implementing software development practices and workflows such as Docker, continuous integration (CI), and continuous deployment (CD)
Benefits
Competitive salary and equity
Generous PTO and sick leave policy
Parental leave
Annual learning and development stipend
More!
Company
Relativity Space
Relativity Space is an aerospace company that designs, develops, and builds 3D printed rockets.
Founded in 2015
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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