Mechanical Test Engineer II at Vast

Department: ECLSSEducation: education_required

Compensation

$112,340 – $159,468/yr

Location: Long Beach, California
Type: Full-time
Level: mid
Posted: Sep 8, 2026

Description

Vast is hiring a full-time Mechanical Test Engineer II in Long Beach to support the design, build, and testing of human-rated space station systems. The role involves developing and operating test rigs and ground-support equipment for ECLSS fluid, chemical, and electrical control systems; assembling, integrating, instrumenting, and troubleshooting hardware; creating test documentation and traceability; and contributing to acceptance, qualification, development, and production-ready testing campaigns. The position requires a relevant engineering bachelor's degree, hands-on experience with fluid or chemical systems and test rigs, and the ability to create test documentation. Preferred qualifications include CAD, Python, test-campaign management, SMAC familiarity, and chemical-testing experience. The role pays $112,340–$159,468 USD annually and includes medical, dental, and vision coverage.

Required Skills

Fluid systems
Chemical systems
Test rigs
Troubleshooting
Test documentation
CAD
Python
DAQ setups

Additional Information

Minimum Education: Bachelor's degree in Mechanical, Chemical, Aerospace, or Electrical Engineering
Required Previous Experiences: Hands-on experience with fluid and/or chemical systems, including fittings, valves, pumps, and sensors, with a working understanding of pressure systems
Ability to build, operate, and troubleshoot test rigs and hardware from setup through data collection
Ability to create test documentation and maintain test traceability from planning through execution
Preferred Qualifications: CAD experience, such as Siemens NX, for reviewing designs and creating test or manufacturing documentation
Programming experience, such as Python, for test automation and data analysis or review tools
Prior hands-on experience building and managing test campaigns or hardware development from concept through execution
Familiarity with Spacecraft Maximum Allowable Concentrations (SMACs) and their application to human-spaceflight air-quality assessment, contaminant control, and test-data interpretation
Experience safely handling chemicals and executing chemical testing, including preparing solutions, operating relevant instrumentation, following SDS requirements, and managing chemical storage and waste disposal