At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. We are building artificial gravity space stations, allowing long-term stays in space without the adverse effects of zero-gravity. Our initial crewed space habitat will be Haven-1, scheduled to be the world’s first commercial space station when it launches into low earth orbit in May 2026. Our team is all-in, committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us.
Vast is looking for a Mechanical Engineer, reporting to the Manager of E-2 Engineering, to create the world’s highest performing engine for small launchers, while optimizing for production and low cost. In this role, you will join a team with exciting momentum that has produced and successfully tested fully integrated engine development samples. You will be a key member who will help complete the flight engine design and transition the system from development to production.
This will be a full-time, exempt position located in our Hawthorne location.

MINIMUM QUALIFICATIONS:

• Bachelor’s degree in an engineering discipline
• 3+ years of experience with mechanical design, development, fabrication, assembly, or test (internships included

PREFERRED SKILLS & EXPERIENCE:

• Ability to work as a teammate and independently to achieve ambitious goals
• Hands-on engineering (Full-stack: computer to wrench to broom)
• Communication (Written, visual, slides)
• CAD (NX preferred)
• Geometric dimensioning and tolerancing (GD&T)
• Problem-solving
• Capable to grow positive, respectful, and professional relationships
• Willing to make mistakes, take responsibilities, work independently and be transparent about your work

ADDITIONAL REQUIREMENTS:

• Able to lift 25 lbs unassisted
• Work in an outdoor environment exposed to extreme weather conditions
• Willingness to work evenings and/or weekends to support critical mission milestone

• Responsible Engineer for valves
• Design: work with our team and Chief Engineer to advance the design of E-2. Create models and drawings of parts and assemblies. Perform calculations and analyses with team support.
• Manufacturing: work with our internal manufacturing team to create finished E-2 parts. Support parts through 3d-printing, machining, post processing, and inspection. Incorporate feedback to improve design for manufacturing.
• Assembly and test: support our integration team with propulsion component assembly build and testing
• Create schematics and document processes
• Participate in engine testing with our test team and support with troubleshooting as needed
• Communicate effectively with entire team to regularly provide updates on progress and issues
• Always follow proper safety procedures and wear personal protective equipment in the workplace