Vast is developing next-generation space stations and space infrastructure using an incremental, hardware-rich, and low-cost approach. Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Haven Demo’s 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world’s first commercial space station when it launches in 2027, followed by additional Haven modules. Additionally, the company recently announced Vast Satellite, a high-power satellite product line leveraging its space station components and the heritage of Haven Demo.
Headquartered in Long Beach, California, and with more than 1,000 employees and over a billion dollars in private capital, Vast has built the facilities required to manufacture and operate America’s next space station. The company plans to develop future habitats and systems for the Moon and Mars, dedicated space stations for government partners, and other crewed systems that will unlock the expanding long-term space economy.
Vast is looking for a Mechanical Test Engineer II, reporting to the Manager, Test Engineering, to support the development of the systems that will be required for the design and build of human-rated space stations.
This will be a full-time, exempt position located in our Long Beach location.
Responsibilities:
- Design, build, and operate test rigs and GSE for ECLSS fluid, chemical, and electrical control systems, owning specific hardware test campaigns from setup through execution, data collection, and analysis
- Perform hands-on assembly, integration, instrumentation, and testing of ECLSS hardware spanning fluid systems, chemical subsystems, and electrical controls (pumps, valves, sensors, tubing, controls hardware) at operating pressures generally lower than thermal control test systems, including troubleshooting components and supporting root cause investigations of anomalies
- Develop and maintain test procedures, work instructions, and hardware-specific documentation, ensuring test traceability across planning, execution, and post-test data review
- Support Haven-1 flight hardware by contributing to Acceptance and Qualification Test Campaigns and conduct development/R&D testing on ECLSS module and CLD-derived hardware to inform design maturity and manufacturability
- Design test fixtures, wiring diagrams/schematics, and DAQ setups, and collaborate closely with ECLSS Manufacturing Engineers, Responsible Engineers (REs), Test Technicians, and the Controls and Automation team to ensure test setups reflect design intent and meet production-level testing needs
- Contribute to the team's transition from R&D-level testing toward standardized, production-ready test processes, provide technical input during test readiness reviews, and support continuous improvement efforts that boost test efficiency and data quality
Minimum Qualifications:
- Bachelor's degree in Mechanical, Chemical, Aerospace, Electrical Engineering
- Hands-on experience with fluid and/or chemical systems, including fittings, valves, pumps, and sensors, with a working understanding of pressure systems
- Demonstrated ability to build, operate, and troubleshoot test rigs and hardware, from setup through data collection
- Ability to create test documentation — procedures and work instructions — and maintain test traceability from planning through execution
Preferred Skills & Experience:
- CAD experience (e.g., Siemens NX) for reviewing designs and creating test/manufacturing documentation
- Programming experience (e.g., Python) for test automation and data analysis/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
Additional Requirements:
- Willingness to work overtime, or weekends to support critical mission milestones
- Ability to lift up to 25lbs unassisted
We calibrate level and compensation to the selected candidate's experience and demonstrated capability. We welcome applicants across a range of experience levels to apply.
COMPENSATION AND BENEFITS
Base salary will vary depending on job-related knowledge, education, skills, experience, business needs, and market demand. Salary is just one component of our comprehensive compensation package. Full-time employees also receive company equity, as well as access to a full suite of compelling benefits and perks, including: medical, dental, and vision coverage for employees and dependents, generous paid time off; up to 20+ days of vacation for exempt staff and up to 10+ days of vacation for non-exempt staff with the ability to cash-out unused vacation annually, paid parental leave, short and long-term disability insurance, life insurance, access to a 401(k) retirement plan, ClassPass credits, personalized mental healthcare through Spring Health, and other discounts and perks. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.
U.S. EXPORT CONTROL COMPLIANCE STATUS
The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. This status includes U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending.
EQUAL OPPORTUNITY
Vast is an Equal Opportunity Employer; employment with Vast is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
Skills Required
- Bachelor's degree in Mechanical, Chemical, Aerospace, or Electrical Engineering
- Hands-on experience with fluid or chemical systems, including fittings, valves, pumps, sensors, and pressure systems
- Ability to build, operate, and troubleshoot test rigs and hardware through setup and data collection
- Ability to create test procedures and work instructions and maintain test traceability
- CAD experience, such as Siemens NX, for reviewing designs and creating documentation
- Programming experience, such as Python, for test automation and data analysis
- Experience building and managing test campaigns or hardware development from concept through execution
- Familiarity with Spacecraft Maximum Allowable Concentrations and human-spaceflight air-quality assessment
- Experience safely handling chemicals, preparing solutions, operating instrumentation, following SDS requirements, and managing chemical waste
- Willingness to work overtime or weekends for critical mission milestones
- Ability to lift up to 25 pounds unassisted
What the Team is Saying
What We Do
Vast is developing next-generation space stations to ensure continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Using an incremental, hardware-rich and low-cost approach, Vast is rapidly developing its multi-module Haven Station. Haven Demo’s 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world’s first commercial space station when it launches in 2026, followed by additional Haven modules to enable permanent human presence by 2030. With more than 1,000 employees at its Long Beach, California headquarters and over a billion dollars in private capital invested, Vast has built the facilities required to manufacture and operate America’s next space station. The company plans to develop future habitats for the Moon and Mars, dedicated space stations for government partners, and other crewed systems that will unlock the expanding long-term space economy.
Gallery
Vast Offices
OnSite Workspace
