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Home Based Prototype Build Engineer Jobs in California

Hermeus

Tooling Engineer

Los Angeles, CA

$138K - $187K/yr

... art of rapid iterative prototyping to build the fastest aircraft in the world today. By ... Final compensation will be determined based on a variety of factors, including role scope 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 ... Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without ...

Physical Intelligence

Prototype Engineer

San Francisco, CA · On-site

$42 - $47.25/hr

We are a group of engineers, scientists, roboticists, and company builders developing foundation ... We're looking for a Prototype Engineer, an engineering generalist who sits at the intersection of ...

Freeform

Opto-Mechanical Build Engineer

Los Angeles, CA · On-site

$90K - $200K/yr

Develop procedures for scaling in-house opto-mechanical build processes from prototype to volume ... Work closely with process engineering team to solve physics-based interdependencies. * Work closely ...

Freeform

Opto-Mechanical Build Engineer

Los Angeles, CA · On-site

$90K - $200K/yr

Develop procedures for scaling in-house opto-mechanical build processes from prototype to volume ... Work closely with process engineering team to solve physics-based interdependencies. * Work closely ...

Freeform

Opto-Mechanical Build Engineer

Los Angeles, CA · On-site

$90K - $200K/yr

Develop procedures for scaling in-house opto-mechanical build processes from prototype to volume ... Work closely with process engineering team to solve physics-based interdependencies. * Work closely ...

Joby Aviation

Senior Build Engineer

Santa Cruz, CA · On-site

$120K - $165K/yr

They are seeking a Senior Build Engineer to join their DevOps team, focusing on optimizing the ... Linux based operating systems • Bachelor's Degree or equivalent experience; degree in Computer ...

Joby Aviation

Senior Build Engineer

Santa Cruz, CA

$125K - $202K/yr

Expertise with development on Linux based operating systems * Bachelor's Degree or equivalent ... Engineering, Mathematics or related field preferred and 5+ years of experience in the software ...

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Tooling Engineer

Hermeus

Los Angeles, CA

$138K - $187K/yr

Full-time

Medical, Retirement, PTO

Re-posted 28 days ago

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
  • Own the design, fabrication, and implementation of advanced tooling, fixtures, and integration aids to support R&D, prototype builds, and test campaigns.
  • Partner with structures, manufacturing, and test teams to define tooling requirements, integration flow, and process interfaces.
  • Collaborate across engineering disciplines and external vendors to deliver rapid, high-precision prototype tooling solutions.
  • Leverage advanced materials and manufacturing methods, including additive and composite fabrication, to enhance performance and efficiency.
  • Perform design validations, mechanical checks, and hands-on trials to qualify tooling for development and production use.
  • Drive continuous improvement by developing and implementing tooling upgrades that reduce build time, improve accuracy, and streamline operations.
  • Maintain documentation, configuration control, and safety standards across all tooling systems.
  • Coordinate schedule, priorities, and vendor relationships to ensure tooling deliverables align with critical R&D and integration milestones.
  • Act as a key interface between engineering and build teams to resolve integration challenges and sustain build velocity.
Requirements
  • Strong engineering first principles. 
  • Bachelor's degree in mechanical, aerospace, manufacturing, or related engineering field. 
  • Hands-on experience with physical hardware (internships, labs, project teams all count). 
  • Proven ability to design, build, break, and iterate quickly. 
  • Comfort with CAD, test equipment, hand tools. 
  • Familiarity with manufacturing processes (machining, welding, forming, etc.) and GD&T fundamentals. 
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.
$138,550 - $187,450 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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