Senior GNC Engineer jobs in United States
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Relativity Space · 1 day ago

Senior GNC Engineer

positionLong Beach, California
timeFull-time
remoteOnsite
senioritySenior Level
money$159K/yr - $204K/yr
date5+ years exp

Relativity Space is building rockets to serve today’s needs and tomorrow’s breakthroughs. The Senior GNC Engineer will own GNC algorithms, develop simulation models, and support testing and launch operations for the Terran R vehicle, playing a critical role in optimizing flight performance.

3D TechnologyAerospaceArtificial Intelligence (AI)Manufacturing

Responsibilities

Own GNC algorithms from conception through design, analysis, and onboard implementation
Develop 6DoF simulation truth models for GNC analysis and validation
Comprehensively test GNC software from the algorithm unit level to Monte Carlo analysis to fully integrated hardware-in-the-loop systems
Support test and launch operations from pre-flight preparation through post-flight data review and model correlation

Qualification

Aerospace GNC experienceC++PythonFlight Computer fundamentals6DoF simulationLaunch Vehicle Landing GuidanceRustProject ownershipProblem-solvingFast-paced environment

Required

An undergraduate or graduate degree (BS/MS/PhD) in Engineering, Computer Science, Physics, or related field
5+ years of Aerospace GNC experience
Technical fundamentals on the Flight Computer side (guidance, navigation, controls) and Truth Model side (dynamics, modeling, simulation)
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
Proficiency in the following programming languages: C++ and Python

Preferred

Demonstrated experience in Launch Vehicle Landing Guidance
Proficiency in the following programming language: Rust

Benefits

Competitive salary and equity
Generous PTO and sick leave policy
Parental leave
Annual learning and development stipend

Company

Relativity Space

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Relativity Space is an aerospace company that designs, develops, and builds 3D printed rockets.
dateFounded in 2015
location
Long Beach, California, USA
people-size1001-5000 employees
web-link
http://relativityspace.com

Funding

Current Stage
Late Stage
Total Funding
$1.36B
Key Investors
FidelityTiger Global ManagementPlayground Global
2023-11-15Series F· $20M
2022-02-03Secondary Market
2021-06-08Series E· $650M

Leadership Team

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Eric Schmidt
Chair and CEO
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David Giger
VP of Engineering
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Recent News

Research & Development World
Advanced manufacturing and process innovation: When the whole plant becomes the machine
2025-12-24
TechAfrica News
SES and Relativity Space Collaborate to Accelerate Global Satellite Connectivity
2025-11-14
Business Insider
Eric Schmidt said he worries that most governments will use Chinese AI models
2025-11-12
Company data provided by crunchbase