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 an Integration Build Engineer, reporting to the Vice President of E-2, 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 transition the system from development to production.

This will be a full-time, exempt position located in our Hawthorne location.

Responsibilities:

Support engine assembly operations with Integration Technicians and supporting Engineering Responsible Engineers
Hands on collaboration with the design team to transfer knowledge and provide input on the manufacturability and assembly processes for E-2 engine
Create and iterate engine assembly and disassembly process plans
Be a permanent engineering presence to ensure operations are unblocked and to find solutions to keep work moving if blockers or Non Conformances arise
Create and maintain detailed manufacturing plans, assembly procedures, and work instructions to ensure consistent and accurate production
Ensure integration procedures are continuously evolving to reflect the most efficient assembly practices
Perform hands-on assembly, integration, and testing of components, ensuring compliance with engineering specifications and industry standards
Specify and procure dedicated manufacturing and tools and equipment
Implement continuous improvements on shop floor to increase productivity

Minimum Qualifications:

Bachelor’s degree in Mechanical Engineering, Manufacturing Engineering, Aerospace Engineering, or a related field
2+ years of experience in manufacturing engineering, preferably in aerospace
Hands on hardware integration and testing experience
Experience with working with technicians and running multi person operations
Experience writing test plans, procedures, presentations, and providing go/no-go judgment and rationale

Preferred Skills & Experience:

Strong communication and collaboration skills, with the ability to work effectively in cross-functional teams
Proficiency in CAD software (such as Siemens NX) for reviewing designs and creating manufacturing documentation
Strong attention to detail and a commitment to producing high-quality work
Strong GD&T skills, and experience creating and reviewing drawings
Strong understanding of fluid systems, tube manufacturing processes, welding and assembly techniques
Excellent problem-solving skills and the ability to perform root cause analysis
Hands-on experience with testing and troubleshooting fluid components is desirable

Additional Requirements

Willingness to work overtime, or weekends to support critical mission milestones
Ability to lift up to 25lbs unassisted

Pay Range:

Integration Build Engineer I: $86,100 - $122,220
Integration Build Engineer II: $112,340 - $159,468
Senior Integration Build Engineer: $137,760 - $195,552

Pay Range: California

$86,000—$195,000 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 86000 - 195000 USD

VAST

Integration Build Engineer

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VAST

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