Vehicle Simulation Engineer II

Relativity Space•Long Beach, CA

About The Position

At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact exist at every level. Here, you're not just executing tasks; you're solving problems that haven’t been solved before, helping develop a rocket, a factory, and a business from the ground up. Whether you’re in propulsion, manufacturing, software, avionics, or a corporate function, you’ll collaborate across teams, shape decisions, and see your work come to life in record time. Relativity is a place where creativity and technical rigor go hand in hand, and your voice will help define the stories we’re writing together. Now is a unique moment in time where it’s early enough to leave your mark on the product, the process, and the culture, but far enough along that Terran R is tangible and picking up momentum. The most meaningful work of your career is waiting. Join us. About the Role: You will be responsible for: Carrying out analysis for engineering design trades and driving design decisions based on the results Implementing, maintaining, and improving software tooling in a variety of languages, ranging from core simulation capabilities to peripheral analysis utilities Maintaining, establishing, and sometimes leading cross-functional collaboration with key teams across Vehicle Engineering About You: 2+ years of experience An undergraduate or graduate degree (BS/MS/PhD) in Engineering, Computer Science, Physics, or a related field Prior experience doing heavy cross-functional collaboration in a fast-paced environment Notable modern programming language coding experience (e.g. Python, Julia, Rust, C++) Demonstrated experience in taking complex analysis results and clearly communicating conclusions and recommendations to facilitate rapid decision-making Familiarity with architectural design and analysis of launch vehicle or space systems Familiarity with trajectory design and optimization Nice to haves but not required: Experience working with advanced software development practices such as Docker, Continuous Integration/Continuous Deployment (CI/CD), and dependency management Prior work in a startup or agile development environment At Relativity Space, we are committed to transparency and fairness in our compensation practices. Actual compensation will be determined based on experience, qualifications, and other job-related factors. Compensation is only one part of our total rewards package. Relativity Space offers competitive salary and equity, a generous PTO and sick leave policy, parental leave, an annual learning and development stipend, and more! To see some of the benefits & perks we offer, please visit here. Hiring Range: $136,000 - $173,000 USD We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need a reasonable accommodation, please contact us at [email protected] .

Requirements

2+ years of experience
An undergraduate or graduate degree (BS/MS/PhD) in Engineering, Computer Science, Physics, or a related field
Prior experience doing heavy cross-functional collaboration in a fast-paced environment
Notable modern programming language coding experience (e.g. Python, Julia, Rust, C++)
Demonstrated experience in taking complex analysis results and clearly communicating conclusions and recommendations to facilitate rapid decision-making
Familiarity with architectural design and analysis of launch vehicle or space systems
Familiarity with trajectory design and optimization

Nice To Haves

Experience working with advanced software development practices such as Docker, Continuous Integration/Continuous Deployment (CI/CD), and dependency management
Prior work in a startup or agile development environment

Responsibilities

Carrying out analysis for engineering design trades and driving design decisions based on the results
Implementing, maintaining, and improving software tooling in a variety of languages, ranging from core simulation capabilities to peripheral analysis utilities
Maintaining, establishing, and sometimes leading cross-functional collaboration with key teams across Vehicle Engineering