GNC Engineer I

Relativity Space•Long Beach, CA

54d

About The Position

The Guidance, Navigation, and Control (GNC) and Performance teams are responsible for defining and analyzing how Terran R flies, from liftoff to landing. The work combines a variety of disciplines such as advanced modeling, orbital mechanics, software development, and dynamic systems to optimize every phase of flight. You'll develop flight algorithms, simulate trajectories, and model Terran R's dynamic behavior across mission profiles. Whether you're early in your career or a seasoned expert, you'll have the opportunity to own critical pieces of the system, influence design, and see your work fly. The department is part of the Integrated Performance team, uniting key disciplines to drive performance at every stage of the mission.

Requirements

An undergraduate or graduate degree (BS/MS/PhD) in Engineering, Computer Science, Physics, or related field
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

Nice To Haves

Demonstrated project experience in launch vehicle and/or spacecraft system
Excellent communication skills
Proficiency in the following programming language: Rust

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

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