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Temporary Prototype Build Engineer Jobs (NOW HIRING)

Helion Energy

Build Engineer

Everett, WA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our current prototype, Polaris, has reached record-breaking plasma temperatures of 150 million ... Helion is hiring a Build Engineer to drive the execution of first-of-a-kind fusion generator ...

Hermeus

Build Engineer

Los Angeles, CA · On-site

$91K - $140K/yr

Drive the transition from prototype to production for complex aerospace assemblies. * Ruthlessly ... Build Engineer II $114,750 - $140,250 The salary range listed for this role is intended as a ...

Mach Industries

Build Engineer

Huntington Beach, CA · On-site

$105K - $180K/yr

  • Medical

  • Life

  • Retirement

Act as the engineering owner for prototype builds across multiple products. * Translate design intent into practical build steps, processes, and checklists for technicians. * Debug and resolve design ...

Ford Motor Company

Prototype Development Engineer

Long Beach, CA · On-site

$39 - $43.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

At Ford, you can build more than vehicles. Come build what matters. Ford's Electric Vehicles ... As a Prototype Development Engineer, you will be the bridge between conceptual design and physical ...

Amca

Mechanical Build Engineer

El Segundo, CA · On-site

$100K - $130K/yr

Today, we operate seven factories nationwide, including our advanced prototyping and testing ... The Mechanical Build Engineering role is responsible for owning the build procedures used to ...

Versigent

AI Build Engineer Manager

Troy, MI · On-site

  • Medical

  • Life

  • PTO

AI BUILD ENGINEER MANAGER Versigent designs and delivers the systems that move power through modern ... Rapid Prototyping & "Architecture as Code" * Engineering Scalable Reference Implementations * AI ...

Amca

Senior Build Engineer

El Segundo, CA · On-site

$140K - $180K/yr

Since the 1990s, our ability to build new aviation and military systems and maintain the ones we ... Own prototyping and first builds of new hardware designs * Work with Design Engineering teams to ...

Amca

Mechanical Build Engineer

El Segundo, CA

The Mechanical Build Engineering role is responsible for owning the build procedures used to ... Prototype new components at our in-house R&D lab. You will be expected to be intimately involved ...

Amca

Senior Build Engineer

El Segundo, CA

$111K - $152K/yr

Own prototyping and first builds of new hardware designs * Work with Design Engineering teams to ... Take full ownership of manufacturing and build of new product designs * Prototype new components ...

Versigent

AI Build Engineer Manager

Troy, MI

  • Medical

  • Life

  • PTO

AI BUILD ENGINEER MANAGER Versigent designs and delivers the systems that move power through modern ... Rapid Prototyping & "Architecture as Code" * Engineering Scalable Reference Implementations * AI ...

Hermeus

Build Engineer - Propulsion

Los Angeles, CA · On-site

$92 - $187/hr

  • Medical

  • Retirement

  • PTO

Drive the transition from prototype to production for complex aerospace assemblies. * Ruthlessly ... Strong engineering first principles. * Bachelor's degree in mechanical, aerospace, manufacturing ...

Hermeus

Build Engineer - Propulsion

Los Angeles, CA · On-site

$91K - $187K/yr

  • Medical

  • Retirement

  • PTO

Drive the transition from prototype to production for complex aerospace assemblies. * Ruthlessly ... Strong engineering first principles. * Bachelor's degree in mechanical, aerospace, manufacturing ...

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Temporary Prototype Build Engineer information

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How much do temporary prototype build engineer jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for temporary prototype build engineer in the United States is $36.48, according to ZipRecruiter salary data. Most workers in this role earn between $34.38 and $38.46 per hour, depending on experience, location, and employer.

What is the difference between Temporary Prototype Build Engineer vs Mechanical Prototype Technician?

AspectTemporary Prototype Build EngineerMechanical Prototype Technician
CredentialsRelevant engineering or technical certifications, degree preferredTechnical diploma or certification in mechanical technology
Work EnvironmentManufacturing labs, R&D facilities, production linesPrototype workshops, testing labs, manufacturing settings
Employer & IndustryAutomotive, aerospace, consumer electronics companiesProduct development, engineering firms, manufacturing companies
Common Search IntentDesigning, building, and testing prototypes in a temporary capacityAssembling and troubleshooting mechanical prototypes

The Temporary Prototype Build Engineer focuses on assembling and testing prototypes temporarily, often requiring engineering knowledge and certifications. In contrast, the Mechanical Prototype Technician specializes in hands-on mechanical assembly and troubleshooting. Both roles are essential in product development but differ mainly in scope, responsibilities, and required credentials.

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Temporary Prototype Build Engineer jobs near you
Infographic showing various Temporary Prototype Build Engineer job openings in the United States as of August 2026, with employment types broken down into 83% Full Time, and 17% Part Time. Highlights an 100% In-person job distribution, with an average salary of $75,868 per year, or $36.5 per hour.

Build Engineer

Helion Energy

Everett, WA • On-site

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 15 days ago

Job description

About Helion
We are a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity. Our vision is a world with clean, reliable, and affordable energy for everyone.
Since Helion's founding in 2013, we have raised $1.5 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors including Thrive Capital, LightSpeed Venture Capital, SoftBank, and others to propel us forward. Our current prototype, Polaris, has reached record-breaking plasma temperatures of 150 million degrees Celsius (13 keV). Helion is continuing to iterate and on the path to the world's first fusion power plant, Orion.
This is a pivotal time to join Helion. You will tackle real-world challenges with a team that prizes urgency, rigor, ownership, and a commitment to delivering hard truths - values essential to achieving what no one has before. Together, we will change the future of energy, because the world can't wait.
What You Will Be Doing:
Helion is hiring a Build Engineer to drive the execution of first-of-a-kind fusion generator assemblies. You will get to own the manufacturing, assembly, and deployment of subsystems for integrated development testbeds and fusion generators. You will work closely with design engineering and production to ensure manufacturability is represented at every stage of the design process. This is an onsite role located at our Everett, WA office.
You will:
  • Own the build and assembly definition and execution for generator subsystems - may include large structures, moving mechanical assemblies, power transmission, vacuum systems, electromagnets, high-voltage capacitor systems, low-voltage harnessing, or radiation shielding
  • Author work instructions for technician teams to support both nominal builds and nonconformance resolution
  • Design and manufacture tooling to enable efficient assembly and installation of generator subsystems
  • Collaborate with production, integration, and engineering teams to develop prototypes and manufacturing demonstrators
  • Drive excellence in configuration management, delivered hardware quality, and pace of execution
  • Be an expert in the lifecycle of a part, from purchase to final assembly, to continually improve low-volume (<1000 piece parts) build processes

Required Skills:
  • Bachelor's degree in engineering or related field
  • 2+ years of professional experience in manufacturing, assembly, or integration of multidisciplinary hardware
  • Hands-on experience across multiple engineering disciplines such as mechanical, electrical, and fluids
  • Experience working within CAD software to make models and drawings (e.g. NX, Solidworks)
  • Demonstrated end-to-end ownership of a build
  • Effective technical communication across functional and organizational levels

#LI-Onsite
#LI-KL1
Benefits
Our total compensation package includes benefits, including but not limited to:
  • Medical, Dental, and Vision plans for employees and their families
  • 31 Days of PTO (21 vacation days and 10 sick days)
  • 10 Paid holidays, plus company-wide winter break
  • Up to 5% employer 401(k) match
  • Short term disability, long term disability, and life insurance
  • Paid parental leave and support (up to 16 weeks)
  • Annual wellness stipend

Helion is an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need assistance or an accommodation during the interview process, please let us know.

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