Mechanical Engineer I, Avionics, Haven

At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. Vast is developing next-generation space stations 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. 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, followed by additional Haven modules to enable permanent human presence by 2030. 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 I, Avionics , reporting to the Senior Manager of Avionics Mechanical Engineering, to support the development of the systems that will be required for the design and build of artificial-gravity human-rated space stations. This will be a full-time , exempt position located in our Long Beach location. Responsibilities: Design avionics enclosure and mounting solutions for high reliability in harsh environments, with an emphasis on batteries and crew interfacing components. Participate in the entire design cycle of flight and mission critical avionics. Partner with the electrical engineering team to design rugged printed circuit board systems. Complete thermal and structural analyses of these designs. Support electronics development and trade studies, and create interface definition, specification, and control documents. Validate requirements through design, test, analysis, or inspection. Plan and conduct tests, review and interpret data. Create assembly and/or installation drawings and support hardware builds. Minimum Qualifications: Bachelors of Science degree in mechanical engineering, aerospace engineering, or other engineering discipline completed or expected by June 2026. 1+ years of project or internship experience with electronics packaging and/or critical electronic components in extreme environments. 1+ years of project or internship experience with 3D CAD programs. Preferred Skills & Experience: Masters of science degree in mechanical engineering, aerospace engineering, or other engineering discipline completed or expected by June 2026 Working experience with NX preferred. 1+ years of experience with GD&T implementation and analysis (ASME Y14.5) Experience with electronics packaging and/or critical electronic components in extreme environments. Thermal and structural analysis experience using ANSYS or similar. Familiarity with environmental testing similar to SMC-S-016, and/or MIL-STD-810. Additional Requirements: Willingness to work evenings and/or weekends to support critical mission milestones Ability to lift up to 25 lbs unassisted. Pay Range: California $86,000 — $122,000 USD 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.

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