Relativity Space Intern Job Board is hiring an

Integrated Performance Engineer Intern - Summer 2025

Long Beach, United States
Internship

At Relativity Space, we have two audacious goals: to build the next great commercial launch company with Terran R and to become America's leading force in additive manufacturing innovation. Both contribute to our long-term vision of creating humanity’s industrial base on Mars, paving the way for interplanetary life to expand the possibilities of the human experience. This journey begins right here on Earth – where we design, build, and fly rockets to deliver customer payloads to orbit. Terran R, our medium-to-heavy lift reusable rocket, fulfills the growing demand for launch capacity, thanks to our iterative approach that accelerates design, testing, and development while minimizing costs. While our groundbreaking research and development in 3D printing pushes the boundaries of large-scale additive manufacturing.

Your journey with us is more than just a job – it’s an opportunity to shape the future of aerospace technology, additive manufacturing, and the human experience alongside a community of passionate, creative individuals. Join us on this extraordinary journey, as we work together to transform our vision into reality.

About the Team: 

The Integrated Performance department at Relativity Space is responsible for ensuring that our rockets will achieve our overall objectives and satisfy stringent customer and government requirements. Our department comprises teams responsible for Flight Sciences, including Aerodynamics, Thermal Sciences, Loads, and Dynamics; Integrated Structures Analysis; Guidance, Navigation, Control & Vehicle Performance (GNCP); Systems Engineering; Mission Reliability; and Product Engineering. We architect and execute analysis, simulation, operations, and test projects for all of Relativity’s hardware and software teams in pursuit of mission success. Overall, this department is critical to the launch success of Terran R! 

Your application will be reviewed, and if you are chosen to move forward, you will interview with Engineers at Relativity Space. If you are selected for the internship program, you will be placed on one of the specialized engineering teams listed above. 

Previous Summer Intern Projects  

  • Process test data and flight data to ensure analysis predictions properly represent vehicle behavior  
  • Process weather and wind data for launch operations  
  • Model stage separation to inform trajectory design of an entry vehicle  
  • Develop models and perform analysis for multiple payload deployment collision avoidance  
  • Build simulation capability and tools for day-of-launch winds evaluation  
  • Model coupled dynamics of engine actuators in a full vehicle dynamics simulation  
  • Upfront design work on creating a wall of truth for vehicle design 
  • Develop a script to automatically update a dashboard that displays abort values for testing and launch  
  • Perform CFD analysis of vehicle entry and develop aero databases  

Skills/Competencies we're looking for: 

  • Current undergraduate or graduate student earning your degree in Mechanical Engineering, Physics, Applied Mathematics, Electrical Engineering or a related field  
  • 1+ years relevant internship experience preferred, not required  
  • Experience with an engineering coding language like Python 
  • Experience contributing to complex projects as part of a technical team 
  • Passion for launch and entry vehicle physics, simulation, and operations 

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:
$31$38 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.

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