Mechanical Engineer II, Thermal Control Systems Verified today

Vast · Long Beach, CA · Mechanical · first seen 2026-07-16

About the role

Vast is developing next-generation space stations and space infrastructure. We are looking for a Thermal Control Systems Mechanical Engineer to support the development of systems required for our artificial-gravity human-rated space stations. You will report to the Manager, Thermal Control Hardware.

What you will do

  • Own the design and development of thermal control system and components for our artificial-gravity space station, from initial design trades to fully functional and validated system
  • Work with thermal components including heat exchangers, cold plates, heaters, and heat pipes
  • Iterate on manufacturing processes and development testing in a fast-paced environment
  • Own the project delivery timeline from early design through production, launch, and orbit insertion
  • Perform systems engineering tasks and fluid analyses
  • Lead design reviews internally and externally with suppliers and customers
  • Work with interdisciplinary stakeholders to ensure integration with avionics, software, and mission operations systems
  • Ensure all designs are manufacturable and reliable

What we need

Minimum qualifications:

  • Bachelor's degree in mechanical engineering or other engineering discipline
  • Experience working with fluid systems or components
  • 5+ years of hands-on hardware experience performing fabrication, assembly and/or testing

Preferred skills and experience:

  • Demonstrated ability to own hardware or systems within an integrated engineering team
  • Proactive problem-solving skills such as failure analysis, root cause investigation, and design of experiment creation
  • Ability to perform trade studies using first principles and engineering fundamentals
  • Experience with rotating machinery
  • Proficiency in NX
  • Solid understanding of geometric dimensioning and tolerancing (GD&T) and tolerance stack-up analysis
  • Experience with structural analysis methods (hand calcs, FEMAP, ANSYS)
  • Knowledge of metallic and fluid system manufacturing techniques including machining, welding, brazing, and tube bending
  • Ability to work well in an integrated collaborative team environment with technicians, engineers, and managers
  • Strong organizational and communication skills with ability to prioritize tasks in a high-pressure environment

Employment details

Employment type: Full-time, exempt

Location: Long Beach, California

Compensation: $112,340 to $159,468 USD annually, based on experience and demonstrated capability

Additional information

Full-time employees receive company equity and benefits including medical, dental, and vision coverage; paid time off (20+ days vacation for exempt staff, with ability to cash out unused vacation); paid parental leave; disability and life insurance; 401(k) retirement plan; ClassPass credits; mental healthcare through Spring Health; free snacks, coffee, and dinner; and subsidized lunch.

You must be a U.S. person as defined by 22 C.F.R. § 120.62, including U.S. citizens, nationals, lawful permanent residents, or asylees and refugees with such status granted. This position involves access to items and information subject to U.S. export controls.