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Temporary Prototype Build Engineer Jobs in Pasadena, CA

Hermeus

Build Engineer - Tooling

Los Angeles, CA · On-site

$110K - $180K/yr

  • Medical

  • Retirement

  • PTO

A Tooling Build Engineer on the Manufacturing team is responsible for the design, development, and ... Partner with internal and external machine shops to rapidly fabricate prototypes, with a focus on ...

Hermeus

Build Engineer - Tooling

Los Angeles, CA · On-site

$110K - $180K/yr

  • Medical

  • Retirement

  • PTO

A Tooling Build Engineer on the Manufacturing team is responsible for the design, development, and ... Partner with internal and external machine shops to rapidly fabricate prototypes, with a focus on ...

Hermeus

Build Engineer

Los Angeles, CA · On-site

$91K - $140K/yr

  • Medical

  • Retirement

  • PTO

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 ...

Hermeus

Build Engineer

Los Angeles, CA · On-site

$91K - $140K/yr

  • Medical

  • Retirement

  • PTO

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 ...

Hermeus

Build Engineer

Los Angeles, CA

$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 ...

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 ...

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 ...

Hermeus

Build Engineer - Propulsion

Los Angeles, CA

$91K - $187K/yr

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

Hermeus Corporation

Build Engineer - Propulsion

Los Angeles, CA · On-site

$91.80 - $187.45/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 ...

Medium

Build Engineer - Propulsion

Los Angeles, CA · On-site

$90 - $180/hr

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 ...

Hermeus

Tooling Engineer

Los Angeles, CA · On-site

$138K - $187K/yr

  • Medical

  • Retirement

  • PTO

... art of rapid iterative prototyping to build the fastest aircraft in the world today. By ... A Tooling Build Engineer on the Manufacturing team is responsible for the design, development, and ...

Hermeus

Tooling Engineer

Los Angeles, CA · On-site

$138K - $187K/yr

  • Medical

  • Retirement

  • PTO

... art of rapid iterative prototyping to build the fastest aircraft in the world today. By ... A Tooling Build Engineer on the Manufacturing team is responsible for the design, development, and ...

Hadrian Automation

Build Engineer, Capabilities

Los Angeles, CA · On-site

$90 - $120/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Role We are seeking a Manufacturing (Build) Engineer to support both early‑stage and ... Experience transitioning products from prototype to scalable volume manufacturing. * Background in ...

Hermeus

Tooling Engineer

Los Angeles, CA

$138K - $187K/yr

... art of rapid iterative prototyping to build the fastest aircraft in the world today. By ... A Tooling Build Engineer on the Manufacturing team is responsible for the design, development, and ...

Clutch Canada

Build Engineer - Propulsion

Los Angeles, CA · On-site

$80 - $120/hr

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 ...

Hadrian Automation

Build Engineer, Capabilities

Torrance, CA · On-site

$150K - $200K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Role We are seeking a Manufacturing (Build) Engineer to support both early-stage and customer ... Experience transitioning products from prototype to scalable volume manufacturing. * Background in ...

Hadrian Automation, Inc

Build Engineer, Capabilities

Los Angeles, CA · On-site

$150K - $200K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Role We are seeking a Manufacturing (Build) Engineer to support both early-stage and customer ... Experience transitioning products from prototype to scalable volume manufacturing. * Background in ...

Hermeus

Spike Inlet Mechanisms Build Engineer

Los Angeles, CA · On-site

$91K - $187K/yr

  • Medical

  • Retirement

  • PTO

About The Role: The Spike Inlet Mechanism Build Engineer will be responsible for the build ... Experience working in prototype or early-stage hardware development environment. * Experience ...

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All JobsPrototype Build Engineer JobsTemporary Prototype Build Engineer JobsTemporary Prototype Build Engineer Jobs in Pasadena, CA

Temporary Prototype Build Engineer information

See Pasadena, CA salary details

$31

$39

$42

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

As of Aug 15, 2026, the average hourly pay for temporary prototype build engineer in Pasadena, CA is $39.79, according to ZipRecruiter salary data. Most workers in this role earn between $37.50 and $41.97 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.

What are the most commonly searched types of Prototype Build Engineer jobs in Pasadena, CA?

The most popular types of Prototype Build Engineer jobs in Pasadena, CA are:

What are popular job titles related to Temporary Prototype Build Engineer jobs in Pasadena, CA?

For Temporary Prototype Build Engineer jobs in Pasadena, CA, the most frequently searched job titles are:

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The top searched job categories for Temporary Prototype Build Engineer jobs in Pasadena, CA are:

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Cities near Pasadena, CA with the most Temporary Prototype Build Engineer job openings:

Temporary Prototype Build Engineer jobs near you

Build Engineer - Tooling

Hermeus

Los Angeles, CA • On-site

$110K - $180K/yr

Full-time

Medical, Retirement, PTO

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage.
About The Role:
A Tooling Build Engineer on the Manufacturing team is responsible for the design, development, and validation of innovative tooling, fixtures, and ground support equipment that enable the prototyping, integration, and testing of advanced structural assemblies. This role emphasizes creativity, rapid iteration, and collaboration with multidisciplinary teams to support early-stage research and development.
Responsibilities
  • Design and build innovative tooling, fixtures, and integration aids using CAD software to support R&D activities, prototype builds, and test campaigns.
  • Collaborate with structures, manufacturing, and test engineers to define tooling requirements for one-off and low-rate development programs.
  • Partner with internal and external machine shops to rapidly fabricate prototypes, with a focus on agility, adaptability, and proof-of-concept demonstration.
  • Explore and evaluate emerging fabrication methods and advanced materials (e.g., additive manufacturing, composites) to push the boundaries of tooling performance.
  • Conduct tooling trials, experiments, and validations to inform design refinements and accelerate technology maturation.
  • Continuously identify opportunities to simplify, automate, or improve prototype tooling to enhance speed, accuracy, and repeatability in R&D workflows.
  • Provide innovative solutions to complex integration and assembly challenges, often where no precedent exists.
  • Develop and maintain clear documentation of CAD models, experimental data, and usage guidelines to support knowledge transfer and future scaling.
  • Ensure all tooling meets ergonomic, safety, and operational requirements appropriate for development environments.
  • Act as a bridge between engineering and prototype build teams, resolving tooling-related issues quickly to keep R&D milestones on track.

Requirements
  • Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, or a related field.
  • 3+ years of experience in tooling or structural design, prototype development, or mechanical systems engineering within aerospace, automotive, or a related industry.

Preferred Skills and Experience
  • Hands-on experience with prototype fabrication methods including machining, additive manufacturing, composites, and rapid prototyping.
  • Proficiency in CAD software (e.g., CATIA, SolidWorks, NX) for tooling design and iteration.
  • Knowledge of GD&T and ability to interpret and apply engineering drawings to prototype development.
  • Familiarity with R&D environments and early-stage design-build-test cycles for high-performance aerospace systems.
  • Strong problem-solving skills, with the ability to experiment, adapt, and iterate quickly in ambiguous development settings.
  • Excellent communication skills with the ability to collaborate across engineering, prototype build, and test teams.
  • Knowledge of lean prototyping and continuous improvement principles in low-volume, experimental environments.

$110,000 - $180,000 a year
The salary range listed for this role is intended as a general guideline. Final compensation will be determined based on a variety of factors, including role scope and responsibilities, relevant experience, education and training, key skills, market data, and business needs.
At Hermeus, compensation is only one part of our total rewards package. We offer competitive pay, equity, and a range of benefits designed to support our team.
Benefits:
  • Health & Wellness: 100% employer-paid healthcare and pet insurance
  • Financial: Competitive pay, stock options, 401(k) retirement plan, and potential year-end bonuses
  • Time Off: Paid parental leave, 12 federal holidays, unlimited PTO for exempt employees, and generous accrued PTO for non-exempt employees
  • Office Perks: Weekly paid office lunches and fully stocked breakrooms

U.S. EXPORT CONTROL COMPLIANCE STATUS
The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a "U.S. person" as defined by22 C.F.R. § 120.62or otherwise eligible for deemed export licensing. US persons include U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending.
EQUAL OPPORTUNITY
Hermeus is an Equal Opportunity Employer. Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without regard to 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.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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