Mechanical Test Engineer III

Responsibilities

• Design and develop GSE and test infrastructure for electric propulsion systems
• Set up, configure, and operate vacuum chamber test environments
• Write and own test procedures, safety documentation, and operational workflows
• Execute EP test campaigns including integration, operation, and data collection
• Operate and maintain vacuum systems including turbo, cryo, and roughing pumps
• Troubleshoot vacuum performance issues such as leaks and contamination
• Support instrumentation and data acquisition system implementation
• Work cross-functionally with propulsion, mechanical, and electrical teams

Requirements

• BS in Mechanical Engineering, Aerospace Engineering, or related technical field
• 3-7 years of hands-on integration and test experience
• Experience with environmental testing (thermal vacuum, vibration, or EMI/EMC)
• Experience writing and executing test procedures for complex hardware
• Familiarity with vacuum systems or thermal vacuum chamber operations
• Ability to work hands-on with flight-grade or high-precision hardware
• Must be a U.S. citizen, lawful permanent resident, or protected individual per ITAR regulations

Preferred Qualifications

• Exposure to electric propulsion systems
• Experience with GSE design or fabrication
• Familiarity with LabVIEW, PLCs, or data acquisition systems
• Exposure to gas delivery or high-voltage systems
• Contamination control and cleanroom experience

About the Company

Quantum Space is redefining mobility and autonomy beyond Earth orbit. Their Ranger spacecraft deliver high delta-V and sustained on-orbit maneuverability, enabling missions across cislunar and geostationary space.