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FEED

Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant's unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials.

Radiant Nuclear

Build Engineer, Turbomachinery

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Experience in hardware startups, aerospace test labs, robotics labs, or similar fast-paced environments. Comfortable integrating off-the-shelf hardware: actuators, sensors, pneumatics, bearings, linear rails, etc.

ESRhealthcare and EXEC STAFF RECRUITERS

mechanical build engineer

ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.

YEAR

Space Exploration Technologies Corp

Build Engineer Crew Starship

Vast is rapidly developing its multi-module Haven Station 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. 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.

Vast Space

Integration Build Engineer

In addition to the significant stock option package, the estimated salary range for this role is $90,000-$200,000, dependent on the candidate's academic level (Bachelors, Masters, or PhD) and demonstrated out of classroom experience. Basic Qualifications: Bachelor's degree in Optics/Optical Engineering, Mechanical Engineering, or Physics, and 2 years of hands-on professional experience; or a Master's degree in one of these disciplines and at least one hands-on opto-mechanical internship.

Freeform

Opto-Mechanical Build Engineer

You will take ownership of prototype and first-article turbomachinery builds, working closely with design, manufacturing, and test teams to translate engineering designs into functional, test-ready hardware. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases.

Senior Build Engineer, Turbomachinery

The Mechanical Build Engineering role is responsible for owning the build procedures used to develop qualification hardware, and iterate on the initial builds to ensure highly reliable production level builds at our factories once product maturity has been achieved. Your days will consist of hands on R&D for new build methodologies and specifications, while also working closely with the design engineering team to ensure design for manufacturability of our new products.

Amca

Mechanical Build Engineer

To be eligible for this role, applicants must either (1) qualify as a U.S. Person, meaning a U.S. citizen or national, a lawful permanent resident (green card holder), a refugee admitted under 8 U.S.C. § 1157, or an individual granted asylum under 8 U.S.C. § 1158, or (2) be able to obtain the required export authorizations from the U.S. Department of State, the U.S. Department of Commerce, or another applicable U.S. government agency. Apex is seeking a Mechanisms Build Engineer to support the development, integration, scaling, and qualification of spacecraft electromechanical hardware, with a primary focus on long-life rotating assemblies and electrically driven mechanism systems.

Apex Space

Spacecraft Mechanisms Build Engineer

You can make it possible by partnering with designers and production teams to develop structures, tools, mechanisms, aerodynamic control surfaces, and thermal protection systems that can be manufactured at unprecedented rates and low cost. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

Build Engineer Starship Mechanisms

Manage source control systems (Git, SVN) and branching strategies for multi-team development. Develop and maintain CI/CD pipelines using tools like Jenkins, GitLab CI, or Azure DevOps.

Sapsol Technologies Inc

Build Engineer

Responsible for assembly and integration of prototype and first-article turbomachinery hardware, including compressors, turbines, rotors, electric motors, bearings, seals, and housings. This is a fantastic opportunity to gain real-world experience with high-speed, high-temperature rotating machinery while making a direct impact on a first-of-its-kind nuclear microreactor program.

Radiant Industries

The engineers of the mid-1900s put a man on the moon in eight years, designed and built planes and submarines from scratch in under three, and conceived of building things we wouldn’t even be able to dream up today. Amca is working day-in and day-out to restore America’s ability to engineer anything that our critical systems depend on, and reinvigorate the cycle of creation that allows imagination to shape physical reality.

Senior Build Engineer

You will take ownership of prototype and first-article turbomachinery builds, working closely with design, manufacturing, and test teams to translate engineering designs into functional, test-ready hardware. Deployed locally without a decade-long build or permitting fight, Kaleidos provides independent power for critical infrastructure like military bases, data centers, hospitals, and remote sites.

Radiant Industries Inc

To be eligible for this role, applicants must either (1) qualify as a U.S. Person, meaning a U.S. citizen or national, a lawful permanent resident (green card holder), a refugee admitted under 8 U.S.C. § 1157, or an individual granted asylum under 8 U.S.C. § 1158, or (2) be able to obtain the required export authorizations from the U.S. Department of State, the U.S. Department of Commerce, or another applicable U.S. government agency. Apex is looking for a Spacecraft Build Engineer to develop and scale the manufacturing processes, tooling, and production systems that enable high-rate spacecraft builds.

Spacecraft Build Engineer

Backed by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we’re building the future of American manufacturing—and looking for exceptional people to help make it happen. You are the bridge between the product and Capability Engineering: you interpret the product requirements, drive DFM, reverse engineer the product where the data is incomplete, establish the build flow and sequence, and hand Capability Engineering and the foundry a well-defined casting problem to solve.

Hadrian Automation

Build Engineer, Castings

Backed by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we're building the future of American manufacturing-and looking for exceptional people to help make it happen. Series D at a $7.87B valuation, Hadrian is rapidly expanding our manufacturing footprint, launching new capabilities across welding, casting, forging, electronics, additive manufacturing, and more, while scaling our Factory-as-a-Service platform to transform how critical products are built.

Hadrian

Build Engineer, Large Scale Machining

Backed by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we’re building the future of American manufacturing—and looking for exceptional people to help make it happen. Series D at a $7.87B valuation, Hadrian is rapidly expanding our manufacturing footprint, launching new capabilities across welding, casting, forging, electronics, additive manufacturing, and more, while scaling our Factory-as-a-Service platform to transform how critical products are built.

As a Mechanical Engineer, you'll collaborate with experienced engineers and cross-functional teams to tackle complex hardware challenges—ruggedizing systems for extreme environments to integrating cutting-edge technologies into systems that will operate in space, on the ground, or underwater. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.

<p>Booz Allen is an advanced technology company. We build commercial-grade products and solutions for America’s most critical defense, civil, and national security priorities.</p>

Build Engineer Jobs in Costa Mesa, CA

Build Engineer, Turbomachinery Radiant Nuclear

mechanical build engineer ESRhealthcare and EXEC STAFF RECRUITERS

Build Engineer Crew Starship Space Exploration Technologies Corp

Integration Build Engineer Vast Space

Opto-Mechanical Build Engineer Freeform

Senior Build Engineer, Turbomachinery Radiant Nuclear

Mechanical Build Engineer Amca

Spacecraft Mechanisms Build Engineer Apex Space

Build Engineer Starship Mechanisms Space Exploration Technologies Corp

Build Engineer Sapsol Technologies Inc

Build Engineer, Turbomachinery Radiant Industries

Senior Build Engineer Amca

Build Engineer, Turbomachinery Radiant Industries Inc

Spacecraft Build Engineer Apex Space

Build Engineer, Castings Hadrian Automation

Build Engineer, Large Scale Machining Hadrian

Build Engineer, Large Scale Machining Hadrian Automation

Mechanical Build Engineer Booz Allen Hamilton

Senior Build Engineer, Turbomachinery Radiant Industries

Build Engineer, Capabilities Hadrian

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