Where You'll Make an ImpactDesign and develop GSE and test infrastructure for electric propulsion systems, including thrusters, feed systems, and support equipmentSet up, configure, and operate vacuum chamber test environments for EP testingWrite and own test procedures, safety documentation, and operational workflowsExecute EP test campaigns end‑to‑end: integration, operation, data collection, and troubleshootingOperate and maintain vacuum systems including turbo, cryo, and roughing pumps, valves, and gaugesTroubleshoot vacuum performance issues including leaks, contamination, and system instabilitySupport instrumentation and data acquisition system implementationContribute to test system requirements covering vacuum performance, thermal constraints, and instrumentationWork cross‑functionally with propulsion, mechanical, electrical, and AI&T teams to support test readinessWhat It TakesBS in Mechanical Engineering, Aerospace Engineering, or a related technical field3-7 years of hands‑on integration and test experience, including environmental testing (thermal vacuum, vibration, EMI/EMC, or similar)Experience writing and executing test procedures for complex hardwareFamiliarity with vacuum systems or thermal vacuum chamber operationsAbility to interface across engineering disciplines — mechanical, electrical, thermal — in a test environmentComfortable working hands‑on with flight‑grade or high‑precision hardwareStrong attention to process, documentation, and operational safetyLocated in or willing to relocate to the LA areaNice‑to‑Have ExperienceAny exposure to electric propulsion systems or conceptsExperience with GSE design or fabricationFamiliarity with LabVIEW, PLCs, or data acquisition systemsExposure to gas delivery or high‑voltage systemsContamination control and cleanroom experienceWhat You'll GetHands‑On Ownership – Real responsibility on live test hardware from day oneImpact – Direct contribution to core spacecraft propulsion technologyGrowth – Expand from instrument I&T into propulsion systems and space vehicle test infrastructureCompensation – Competitive salary, equity, and comprehensive benefitsLocation: Hawthorne, CABase Salary: $100,000 to $150,000 depending on experienceAdditional 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. This role is a strong fit for an engineer coming from a flight hardware integration and test background — someone who has written procedures, run environmental test campaigns, and worked hands‑on with complex systems in controlled environments.