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Freelance Prototype Build Engineer Jobs (NOW HIRING)

This role interfaces closely with Design Engineers and Prototype Quality and reports directly to the Build Bay AMTs and the Prototype Supervisor. In this role you will be responsible for * Perform ...

New

Build Engineer

Huntington Beach, CA · On-site

$105K - $180K/yr

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 ...

We are seeking a Prototype Build Technician to support the Test Equipment Design and Build team. In ... Collaborate directly with engineers to identify "as-built" challenges, providing real-time feedback ...

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 ...

Build Engineer - Propulsion

Los Angeles, CA · On-site

$91.80K - $187.45K/yr

Drive the transition from prototype to production for complex aerospace assemblies. * Ruthlessly ... Build Engineer II $114,750-$140,250 Senior Engineer $138,550-$187,450 U.S. EXPORT CONTROL ...

Drive the transition from prototype to production for complex aerospace assemblies. * Ruthlessly ... Build Engineer II $114,750-$140,250 Senior Engineer $138,550-$187,450 U.S. EXPORT CONTROL ...

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 ...

Senior Build Engineer

El Segundo, CA · On-site

$111.30K - $152.80K/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 ...

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 ...

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 ...

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 ...

Prototype Engineer

Ocoee, FL · On-site

$60K - $65K/yr

... and CNC programming is a strong advantage. ● A strong work ethic, the ability to follow ... builders to improve and correct any issues with the original prototype, then incorporate those ...

Prototype Engineer

Ocoee, FL · On-site

$60K - $65K/yr

... and CNC programming is a strong advantage. ● A strong work ethic, the ability to follow ... builders to improve and correct any issues with the original prototype, then incorporate those ...

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

Build Engineer - Structures

Los Angeles, CA · On-site

$91.80K - $187.45K/yr

Drive the transition from prototype to production for complex aerospace assemblies. * Ruthlessly ... Design and implement full-stack build processes-factory layout, tooling, test flow, and vehicle ...

Build Engineer - Structures

Los Angeles, CA · On-site

$91.80K - $187.45K/yr

Drive the transition from prototype to production for complex aerospace assemblies. * Ruthlessly ... Design and implement full-stack build processes-factory layout, tooling, test flow, and vehicle ...

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Freelance Prototype Build Engineer information

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

As of May 31, 2026, the average hourly pay for freelance 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 Freelance Prototype Build Engineer vs Mechanical Design Engineer?

AspectFreelance Prototype Build EngineerMechanical Design Engineer
CredentialsRelevant technical skills, certifications in prototyping or manufacturingDegree in Mechanical Engineering, CAD certifications
Work EnvironmentFreelance, project-based, often on-site or remoteFull-time, in-house or design firm offices
Industry UsageProduct startups, hardware companies, prototyping firmsManufacturing, product design, engineering firms

The Freelance Prototype Build Engineer focuses on creating physical prototypes for various projects, often working independently on short-term contracts. In contrast, Mechanical Design Engineers primarily develop detailed mechanical designs and specifications for products within a company or design team. While both roles require technical skills and engineering knowledge, the freelance prototype builder emphasizes hands-on prototyping, whereas the mechanical designer emphasizes design development and CAD work.

More about Freelance Prototype Build Engineer jobs
What cities are hiring for Freelance Prototype Build Engineer jobs? Cities with the most Freelance Prototype Build Engineer job openings:
What are the most commonly searched types of Prototype Build Engineer jobs? The most popular types of Prototype Build Engineer jobs are:
What states have the most Freelance Prototype Build Engineer jobs? States with the most job openings for Freelance Prototype Build Engineer jobs include:
What job categories do people searching Freelance Prototype Build Engineer jobs look for? The top searched job categories for Freelance Prototype Build Engineer jobs are:
Infographic showing various Freelance Prototype Build Engineer job openings in the United States as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $75,868 per year, or $36.5 per hour.

Prototype Technician

Autoliv United States

Ogden, UT • On-site

Full-time

Posted 2 days ago


Job description

Prototype Technician

The Prototype Technician supports prototype build operations, working primarily in the prototype build bays and assisting other prototype areas as needed. This role interfaces closely with Design Engineers and Prototype Quality and reports directly to the Build Bay AMTs and the Prototype Supervisor.

In this role you will be responsible for
  • Perform prototype assembly and inspection using build sheets, control plans, drawings, and engineer-provided instructions

  • Accurately read, interpret, and execute work from drawings and technical instructions with strong attention to detail

  • Work closely with Design Engineers to deliver timely results and provide build feedback during prototype development

  • Measure and document dimensional and build-specific data per engineering requirements

  • Maintain and update electronic build records to ensure full traceability

  • Demonstrate effective, timely, and positive communication while working collaboratively in a team environment

  • Support launch milestones and customer deliverables in a fast-paced prototype setting

What is required:
  • High school diploma.

  • Autoliv assembly experience is considered a plus

  • Inspection experience helpful.

  • Working knowledge of PLM (helpful but not mandatory).

  • Understanding of build sheets, control plans, and blue print reading.

  • Basic machining skills (drill press, lathe) are helpful.

  • Candidates must adhere to Autoliv Safety and Quality procedures.

  • Ability and willingness to cross train in other areas is crucial

We will be more than glad to chat with you about your experience and your career goals.

In our international work setting, you will find a range of opportunities that are designed to enhance your career and personal development. Including new and different perspectives is part of what ensures the team’s success. We are committed to develop people’s skills, knowledge and creative potential. Our training and development programs emphasize technical competency, leadership development and business management skill.

More lives saved – more life lived!

What’s in it for you:

•Attractive compensation package

•Recognition awards, company events, university discount options and many more perks.

•Gender Pay Equality

Autoliv is proud to be an equal opportunity employer. Autoliv does not discriminate in any aspect of employment based on race, color, religion, national origin, ancestry, gender, sexual orientation, gender identify and/or expression, age, disability, or any other characteristic protected by federal, state, or local employment discrimination laws where Autoliv does business.