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Senior Mechanical Development & Test Engineer II

Rocket Lab - Long Beach, CA, United States - In-office - posted 2026-10-02

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Salary: USD 132,000 - 198,000 / annual

Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, and expand humanity's reach to the Moon, Mars, and beyond. The Space Systems team has enabled more than 1,700 missions, ranging from interplanetary exploration and in-space manufacturing to national security and defense initiatives, working with partners including NASA, the Space Development Agency, and the U.S. Space Force. The Senior Mechanical Development & Test Engineer II is responsible for the end-to-end design, build, test, and execution of complex internal test capabilities. This includes test setups for qualification and subsequent large-volume acceptance tests requiring high levels of automation. Hardware tests may include avionics boxes, complex mechanisms, and fully integrated spacecraft in stressing environments. Key responsibilities include: - Lead qualification test campaigns - Lead high-volume acceptance test infrastructure development and insertion into the production floor - Advise on in-house test capabilities, limits, and future needs - Manage test projects end-to-end, including resourcing, scheduling, and budgeting as needed - Hands-on work with test infrastructure implementation and validation - Work closely with design and other test engineers to iterate through design concepts and determine test requirements - Design complex Mechanical Ground Support Equipment (MGSE) to support test implementation REQUIREMENTS: - Bachelor's degree in mechanical engineering or other engineering discipline - 8+ years of engineering experience in the aerospace industry - Experience using NX Nastran, NX CAD, and Teamcenter packages - Experience in component and system-level environmental testing - Experience with test automation and post-test data analysis NICE-TO-HAVE: - Master's or PhD in mechanical engineering or other engineering discipline IMPORTANT: For US office positions, candidates must be a U.S. citizen, lawful U.S. permanent resident (Green Card holder), or lawfully admitted as a refugee/asylee, or be eligible to obtain required authorizations from the U.S. Department of State and/or Commerce per ITAR regulations.

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