Vast is developing next-generation space stations and space infrastructure using an incremental, hardware-rich, and capital-efficient approach. Vast is rapidly developing its multi-module Haven Station to support a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and supporting a growing space economy for government, corporate, and private customers. Haven Demo’s 2025 success made Vast the only operational commercial space station company to design, build, and operate its own spacecraft in orbit. Next, Haven-1 is targeted to become the world’s first commercial space station, with launch anticipated in 2027, followed by additional Haven modules. Additionally, the company recently announced two new offerings leveraging its space station components and the heritage of Haven Demo: Vast Satellite, a high-power satellite product line; and Vast Lunar Systems, power, communications, and habitats for the Moon.

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 capable of manufacturing America’s next space station. The company plans to develop future habitats and systems for Mars, dedicated modules for government partners, and other crewed systems designed to unlock the expanding long-term space economy.

Vast is looking for a(n) Engineer II, Life Support System reporting to the Director of Life Support Systems, 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:

Own the design and development of the environmental and thermal control systems for our artificial-gravity space station, from initial design trades to fully functional and validated system.
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 the component will integrate with the necessary avionics, software, and mission operations systems.
Make sure that all designs are manufacturable and reliable.
Bring technical excellence to everything you do.

Basic Qualifications:

Bachelor's degree in an engineering or science discipline.
2+ years of experience working with fluid or environmental control systems or components.
3+ years of hands-on hardware experience performing fabrication, assembly and/or testing.

Preferred Qualifications:

Master's degree in an engineering discipline.
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 to make clear recommendations even with partial information.
Experience with rotating machinery.
Experience with soft goods.
Experienced in NX.
Solid understanding and application of geometric dimensioning and tolerancing (GD&T) and tolerance stack-up analysis.
Experience with structural analysis methods (hand calcs, FEMAP, ANSYS) in order to optimize hardware to strength requirements as well as to evaluate for life and fracture.
Knowledge of metallic and fluid system manufacturing techniques, processes, equipment, and other processes such as machining, welding, brazing, tube bending, etcetera.
Able to work well in an integrated collaborative team environment, including frequent interactions with technicians, other engineers, and managers.
Highly self-motivated with strong organizational and written/oral communication skills – able to prioritize and execute tasks in a high-pressure environment with the ongoing drive for continuous improvement in all aspects of work.

Pay Range:

Life Support System Engineer II : $112,300 - $159,460

Pay Range: California

$112,300—$159,460 USD

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.

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.

Pay Range: California 112300 - 159460 USD

VAST

Mechanical Engineer 2 - Life Support Systems

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VAST

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