Senior Test Engineer - Advanced Programs
Confidential
Posted: March 19, 2026
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Quick Summary
We're seeking a Senior Test Engineer with deep expertise in vacuum systems to lead the development and operation of vacuum test infrastructure, primarily working on the development of vacuum test infrastructure for the Quantum Space Ranger spacecraft.
Required Skills
Job Description
Job Description
Quantum Space is redefining mobility and autonomy beyond Earth orbit. Our Ranger spacecraft deliver high delta-V and sustained on-orbit maneuverability, enabling missions across cislunar and geostationary space that were previously out of reach. We are building the vehicles, infrastructure, and operational expertise that connect and protect assets across the Earth–Moon system.
Who We’re Looking For
Quantum Space is seeking a Senior Test Engineer with deep expertise in vacuum systems to lead the development and operation of vacuum test infrastructure. This role is critical to validating spacecraft hardware in relevant environments and requires strong hands-on and analytical capability.
Where You’ll Make an Impact
Design and develop vacuum test systems and infrastructure
Define requirements for vacuum performance, instrumentation, and control
Own vacuum system operation during test campaigns
Troubleshoot leaks, contamination, and system performance issues
Develop vacuum test procedures and verification plans
Support integration of hardware into vacuum environments
Specify and integrate pumps, valves, gauges, and control systems
Collaborate with mechanical and AI&T teams to ensure test readiness
What It Takes
BS or MS in Mechanical Engineering, Aerospace Engineering, or related technical field
5–10+ years of experience with vacuum systems
Deep knowledge of high/ultra-high vacuum systems and components
Experience with leak detection (helium mass spectrometry)
Experience operating and troubleshooting vacuum systems
Strong hands-on lab/test experience
Work location within the LA area
Nice-to-Have Experience
Experience with spacecraft or aerospace testing
Familiarity with LabVIEW, Python, or data acquisition systems
Experience with thermal vacuum testing
What You’ll Get
Ownership – Lead vacuum test capability development
Impact – Direct validation of spacecraft hardware
Growth – Path to test architecture leadership
Compensation – Competitive salary, equity, and comprehensive benefits
Additional Requirements
To comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain required authorizations.