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Weekend Prototype Build Engineer Jobs (NOW HIRING)

Hermeus

Build Engineer - Propulsion

Los Angeles, CA · On-site

$91K - $187K/yr

Drive the transition from prototype to production for complex aerospace assemblies. * Ruthlessly ... Must be available to work extended hours and/or weekends as needed to support critical milestones.

Medium

Build Engineer - Propulsion

Los Angeles, CA · On-site

$90 - $180/hr

Drive the transition from prototype to production for complex aerospace assemblies. * Ruthlessly ... Must be available to work extended hours and/or weekends as needed to support critical milestones.

Radiant

Build Engineer, Turbomachinery

El Segundo, CA · On-site

$158K - $219K/yr

Responsible for assembly and integration of prototype and first-article turbomachinery. hardware ... Must be willing to work extended hours and occasional weekends to support build schedules. * Must ...

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 ... Must be available to work extended hours and/or weekends as needed to support critical milestones.

GRAIL

Build Engineer - Bazel - #4770

Menlo Park, CA · On-site

$136 - $180/hr

For more information, please visit grail.com GRAIL is seeking a Build Engineer to join our DevOps / ... prototype solutions, and accelerate tooling work. These responsibilities summarize the role ...

GRAIL

Build Engineer - Bazel - #4770

Sunnyvale, CA · On-site

For more information, please visit grail.com GRAIL is seeking a Build Engineer to join our DevOps / ... prototype solutions, and accelerate tooling work. These responsibilities summarize the role ...

GRAIL

Build Engineer - Bazel - #4770

Sunnyvale, CA

For more information, please visit grail.com GRAIL is seeking a Build Engineer to join our DevOps / ... prototype solutions, and accelerate tooling work. These responsibilities summarize the role ...

GRAIL

Build Engineer - Bazel - #4770

Sunnyvale, CA · On-site

For more information, please visit grail.com GRAIL is seeking a Build Engineer to join our DevOps / ... prototype solutions, and accelerate tooling work. These responsibilities summarize the role ...

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

As of Aug 15, 2026, the average hourly pay for weekend 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.

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Weekend Prototype Build Engineer jobs near you
Infographic showing various Weekend Prototype Build Engineer job openings in the United States as of June 2026, with employment types broken down into 1% As Needed, 61% Full Time, 27% Part Time, 10% Contract, and 1% Nights. Highlights an 82% Physical, 2% Hybrid, and 16% Remote job distribution, with an average salary of $75,868 per year, or $36.5 per hour.

Build Engineer - Propulsion

Hermeus

Los Angeles, CA • On-site

$91K - $187K/yr

Full-time

Medical, Retirement, PTO

Re-posted 8 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 This Role:
This role sits at the intersection of engineering design, manufacturing, integration and test for flight vehicles. You'll be embedded with design and production teams, owning everything from hardware design, tooling, testing and flight readiness to process development and vehicle assembly.
Responsibilities
  • Lead detailed project planning and drive hardware delivery on aggressive timelines.
  • Collaborate directly with high level design concepts turning them into detailed designs including final geometry, material selection and DFM.
  • Drive the transition from prototype to production for complex aerospace assemblies.
  • Ruthlessly question process complexity-delete parts, eliminate waste, simplify flow.
  • Design and implement full-stack build processes-factory layout, tooling, test flow, and vehicle integration.
  • Develop and run test procedures for flight hardware.
  • Serve as a force multiplier across production, test, and design teams.

Requirements
  • Strong engineering first principles.
  • Bachelor's degree in mechanical, aerospace, manufacturing, or related engineering field.
  • 1+ years of 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
  • Designed and released flight hardware.
  • Familiarity with Siemens Teamcenter and NX.
  • Leadership experience on project teams or in mentorship roles.
  • You've built something that's flown, broken, or both.
  • Experience standing up production lines or test infrastructure in a fast-paced environment.
  • Must be available to work extended hours and/or weekends as needed to support critical milestones.
  • Must be willing to travel to test sites, other Hermeus offices, and partner locations as needed (up to 25% travel)

$91,800 - $187,450 a year
Engineer I $91,800 - $112,200
Engineer II $114,750 - $140,250
Engineer III $138,550 - $187,450
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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