Launch Mechanical Engineer I - Relativity

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Job Title

Launch Mechanical Engineer I

Job Location

Long Beach, California

Job Listing URL

https://boards.greenhouse.io/relativity/jobs/8022827002?gh_jid=8022827002

Job Description

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 Team:

The Launch team operates at the intersection of every major aspect of Terran R, from stages and payloads to ground systems, launch, landing, and refurbishment. The Cape is the only place where you see it all come together, offering a level of exposure and responsibility unmatched elsewhere in the program. This is where first flights happen, where history is built on top of history, and where the scale of what's underway is unlike anything in modern aerospace. The mission stays the same, but the work evolves with every milestone: from first launch to reuse, high-cadence operations, and beyond. If you're looking to define what's next in space launch and write a new playbook, not just repeat what’s already been done, this is where it happens.

About the Role:

Apply fundamental and practical engineering methods to lead mechanical design projects from concept through implementation
Interpret and coordinate requirements between vehicle systems and other ground support engineering teams
Develop 3D CAD models, 2D drawings, fluid system schematics, and electrical schematics as needed to fully define designs
Conduct structural, dynamic, and system performance analyses using hand calculations and finite element methods
Present design concepts and solutions to cross-functional teams, clearly communicating engineering methods, functionality, and constructability

About You:

Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related technical field
Solid understanding of engineering fundamentals related to mechanical design, structural analysis, and fluid systems
Proven ability to deliver results under tight deadlines, including the application of creative and practical solutions to complex problems

Nice to haves, but not required:

Prior internship or professional experience in structural, mechanical, or fluid system design and analysis
Experience with the design, testing, and implementation of mechanical structures, mechanisms, or fluid systems
Familiarity with a range of structural materials and manufacturing processes
Knowledge of designing complex fluid systems (e.g., high-pressure gases, cryogenic fluids, flammables, or hydraulics)

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:

$97,000—$124,300 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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