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Entry Level Prototyping Engineer Jobs in California

We are hiring entry-level through senior-level. Responsibilities * Lead detailed project planning ... Drive the transition from prototype to production for complex aerospace assemblies. * Ruthlessly ...

New

In your first year, you will validate your designs through prototype iterations and build and ... Bachelor's degree in mechanical, aerospace, or other relevant engineering discipline * Experience ...

This is an entry-level / new-grad research role where you'll apply state-of-the-art machine ... Bridge the gap between research prototypes and real-world factory deployment What We're Looking For ...

This is an entry-level / new-grad research role where you'll apply state-of-the-art machine ... Bridge the gap between research prototypes and real-world factory deployment What We're Looking For ...

Hardware Engineer

Carlsbad, CA · On-site

$75K - $90K/yr

The Arlo Smart Home Device team is seeking an entry-level Hardware Engineer. We are looking for a ... Support the Arlo R&D teams with prototype modifications, whether with cabling/wiring, SMT component ...

The Arlo Smart Home Device team is seeking an entry-level Hardware Engineer. We are looking for a ... Support the Arlo R&D teams with prototype modifications, whether with cabling/wiring, SMT component ...

RF Engineer 1

Morgan Hill, CA · On-site

$100K - $150K/yr

​JOB SUMMARY​ The RF Engineer 1 is an entry-level, hands-on technical contributor and the ... prototypes and circuits that do not operate as expected, and communicate observations to design and ...

Today, we operate seven factories nationwide, including our advanced prototyping and testing ... This is an entry-level design role built to grow an engineer into an independent contributor on ...

RF Operations Engineer 2

Morgan Hill, CA · On-site

$120K - $175K/yr

JOB SUMMARY​ The RF Operations Engineer 2 is an entry-level, hands-on technical contributor and ... prototypes and circuits that do not operate as expected, and communicate observations to design and ...

Work with engineering team and vendors to prototype and test hardware * Design, collect data, analyze and compile reports on engineering experiments * Analyze test results and generate marketing ...

We are recruiting across a wide range of experience levels from entry level engineers to senior and ... Experience taking systems from prototype to large scale production. * Field Environments

Showing results 41-60

Entry Level Prototyping Engineer information

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Infographic showing various Entry Level Prototyping Engineer job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Build Engineer - Propulsion

Medium

Los Angeles, CA • On-site

$90 - $180/hr

Other

Posted 2 days ago

New


Job description

Hermeus is a high-speed aircraft manufacturer focused on the rapid design, build, and test of high-Mach and hypersonic aircraft for the national interest. Working directly with the Department of Defense, Hermeus delivers capabilities that will ensure that our nation, and our allies, maintain an asymmetric advantage over any and all potential adversaries.

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. We are hiring entry-level through senior-level.

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.
Basic Qualifications
  • 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
  • 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.
Additional Requirements
  • 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).

$90,000 - $180,000 a year

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 by 22 C.F.R. § 120.62 or 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.

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