Senior / Principal Propulsion Engineer

Rocket Lab Corporation is seeking a Senior or Principal Propulsion Engineer to join the team developing the Archimedes Engine family, a key component of the Neutron rocket program. This role is based in Long Beach, California, and offers the opportunity to contribute to the advancement of reusable launch vehicle technology.

The selected candidate will be responsible for designing, analyzing, testing, and refining next-generation propulsion hardware to ensure operational readiness and flight success. Key duties include developing and executing test plans, conducting post-test data reviews, collaborating across engineering disciplines to optimize engine performance, and mentoring junior engineers.

Applicants should possess a bachelor's degree in mechanical engineering, aerospace engineering, or a related field. Experience requirements vary by level: 5+ years for Senior Propulsion Engineer I, 8+ years for Senior Propulsion Engineer II, and 12+ years for Principal Propulsion Engineer. A strong technical understanding of fluid dynamics, thermodynamics, cryogenic systems, and rocket engine architecture is essential.

Rocket Lab offers a comprehensive benefits package, including top-tier medical, dental, and vision coverage, paid vacation and sick leave, paid holidays, flexible spending accounts, paid parental leave, disability and life insurance, and a 401(k) retirement plan with company match. Additional perks include a discounted employee stock purchase program, subsidized EV charging stations, an onsite gym, and complimentary food and drinks.

Joining Rocket Lab means becoming part of a team dedicated to unlocking the potential of space to improve life on Earth. The company values hard work, innovation, teamwork, and an unwavering commitment to achieving what others often deem impossible. Employees thrive under pressure, work to tight deadlines, and focus on delivering results.