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Senior Development Test Engineer

K2 Space
CompanyK2 Space
CategoryEngineering
LocationLos Angeles
RemoteOn-site (inferred)
EmploymentNot stated
LevelSenior
SalaryNot stated by the employer
Posted17 Dec 2025
Last verified30 Jul 2026
SourceEmployer career page (greenhouse)
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Description
K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others – with an additional $500M in signed contracts across commercial and US government customers – we’re mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space.   The rise of heavy-lift launch vehicles is shifting the industry from an era of mass constraint to one of mass abundance, and we believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to fully capitalize on today’s and tomorrow’s massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits.   With multiple launches planned through 2026 and 2027, we're Building Bigger to develop the solar system and become a Kardashev Type II (K2) civilization.  If you are a motivated individual who thrives in a fast-paced environment and you're excited about contributing to the success of a groundbreaking Series C space startup, we’d love for you to apply.   The Role   You will own the success of component, subsystem, and vehicle level testing across structural, thermal, fluid, dynamic, and electromechanical systems. You will lead projects and help stand-up infrastructure to support the core testing infrastructure. In your first 6 months, you will define development test campaigns, design and build test setups, and be hands-on with flight hardware. In your first year, you will validate designs through prototype testing and lead large multidisciplinary test campaigns. You will drive best practices by leading large test campaigns and mentoring the growing team.   Responsibilities   Own kickoff, design, fabrication, build, operation, data collection, and conclusion/results for development tests through full vehicle qualification campaigns   Design test hardware, fixturing, and tooling using CAD, FEA, and hand calculations   Demonstrate best practices for activating test stands, operating test equipment, instrumentation, and executing tests in a safe and organized manner   Troubleshoot performance issues and recommend solutions during test campaigns   Clearly communicate technical data, findings, and recommendations to team members across all levels of the organization   Anticipate future testing needs by collaborating with test suppliers and performing high impact infrastructure trade studies   Lead improvements to testing standards with company-wide impact by creating tools, methods, and processes   Guide and mentor team members with designs, workload, scheduling, and communication   Q ualifications   Bachelor’s degree in mechanical, aerospace, or other relevant engineering discipline   5+ years of industry experience with mechanical, structural, and/or electromechanical test, design, and analysis   Experience designing, building, and testing mechanical assemblies and test fixtures for aerospace or terrestrial applications (satellite mechanical systems, payloads, launch vehicles, propulsion systems, and/or aircraft structures and mechanisms)   Experience with CAD or FEA software packages   Hands-on fabrication experience   Nice to Have   Experience with data acquisition, controls, and dedicated test equipment (examples include motor dynos, material testers, vibration tables, environmental data loggers, motorsports DAQ)   Experience with the practical application of GD&T   Expe
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