GNC Performance Engineer I — Trajectory Modeling & Flight Tools

Relativity Space; Long Beach (CA); On-site; USD 106,000 - 160,000; Full time

Benefits offered by this job

Equity

PTO and sick leave

Parental leave

Annual learning stipend

Job summary

Relativity Space is seeking engineers to analyze and optimize Terran R flight performance, from liftoff to landing, leveraging modeling, simulation, and software tooling. You will work across propulsion, manufacturing, software, and avionics to influence design decisions and deliver reliable results.

You will contribute to mission analyses, trajectory studies, and software development practices, including automation and CI/CD, in a fast-paced startup environment where autonomy and ownership

Qualifications

• Bachelor’s or higher in Engineering, Computer Science, Physics, or related field.
• Proven cross-functional collaboration in a fast-paced environment.

Responsibilities

• Carry out analysis for engineering design trades and drive design decisions based on results.
• Implement, maintain, and improve software tooling across languages from core simulation to analysis utilities.
• Establish and lead cross-functional collaboration with Vehicle Engineering teams.

Skills

Python

Julia

Rust

C++

Cross-functional collaboration

Communication of results

Education

BS/MS/PhD in Engineering or CS or Physics

Tools

Docker

CI/CD

Job description

Relativity Space is seeking engineers to analyze and optimize Terran R flight performance, from liftoff to landing, leveraging modeling, simulation, and software tooling. You will work across propulsion, manufacturing, software, and avionics to influence design decisions and deliver reliable results.

You will contribute to mission analyses, trajectory studies, and software development practices, including automation and CI/CD, in a fast-paced startup environment where autonomy and ownership