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Sr Stage Development Engineer II, Vehicle Build

Relativity Space - Long Beach, CA, United States - In-office - posted 2026-10-08

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Salary: USD 123,000 - 198,000 / annual

Relativity Space is building rockets to serve today's needs and tomorrow's breakthroughs. The Terran R vehicle will deliver customer payloads to orbit, meeting growing demand for launch capacity. The company is developing a rocket, factory, and business from the ground up, with a culture emphasizing autonomy, ownership, and impact at every level. The Vehicle Build team is a small, dynamic group within Vehicle Engineering specializing in cross-functional vehicle development, designing for operability, and defining Concept of Operations for downstream work centers. The team acts as the engineering focal point throughout the vehicle's lifecycle, ensuring consistency in the vehicle build process while managing upstream and downstream impacts. In this role, you will balance technical, cost, and schedule constraints by weighing options, investigating scenarios, and proposing solutions. You'll own the scope of verification activities for integration, test, and launch site checkouts, following the vehicle through its lifecycle to ensure consistency in quality and process. You will drive systems through qualification, acceptance, and hotfire test campaigns by writing and reviewing test objectives, test matrices, and test plans. Additionally, you'll enable manufacturing teams to scale by owning specific off-nominal work scope and collaborate with every function across the company to help design, build, test, fly, recover, and reuse Terran R. Travel to test and launch sites is required, and the role may require shifted schedules or weekend work for critical milestones. **Requirements:** - Bachelor's degree in engineering or related field - 2+ years of relevant experience - Problem-solving skills and ability to manage multiple priorities in a fast-paced environment - Technical aptitude and basic understanding of all functional disciplines (Mechanical, Fluids, and Avionics) **Nice to haves:** - Graduate degree in engineering or related field - Experience with aerospace ERP systems and writing technical planning - Proven experience in design, manufacturing, assembly, and testing of complex aerospace systems - Excellent communication skills with ability to distill complex technical problems into simple concepts - Leadership or coordination experience in multidisciplinary engineering projects with demonstrated ability to lead by influence and collaborate with technical owners

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