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Startup jobs in Orange County

Orange County has quietly become a defense and hardware hiring engine, anchored by the Costa Mesa campus and the companies growing around it. Every open role in the county lands on this page.

1611 open roles · Search and filter on the board →
The speedrun talent teamWe're hiring a Product EngineerContract. Students and co-ops welcome. Build the tools job seekers use.>> send this to the best builder you know <<See the role
1611 roles · a16z portfolio plus wider market
Systems Engineer, Advanced Effects, Active Clearance
Anduril Industries · Costa Mesa, California, United States · Full-time
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Structures Engineer, Air Vehicles
Anduril Industries · Costa Mesa, California, United States · Full-time
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Mission Software Engineer, Vehicle Software, GenSWE
Anduril Industries · Costa Mesa, California, United States · Full-time
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Staff Production Program Manager
Anduril Industries · Costa Mesa, California, United States · Full-time
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Senior Structures Engineer, Air Vehicles
Anduril Industries · Costa Mesa, California, United States · Full-time
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Production Technician - SkillBridge
Anduril Industries · Costa Mesa, California, United States +2 · Internship
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Software Engineer, Vehicle Software, V&V
Anduril Industries · Costa Mesa, California, United States · Full-time
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Mission Software Engineer, Vehicle Software, Active Clearance
Anduril Industries · Costa Mesa, California, United States · Full-time
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Robotics Software Engineer, Vehicle Software
Anduril Industries · Costa Mesa, California, United States · Full-time
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Mission Software Engineer, Vehicle Software, C++
Anduril Industries · Costa Mesa, California, United States · Full-time
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Development Test Engineer
Anduril Industries · Costa Mesa, California, United States · Full-time
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Senior Development Test Engineer
Anduril Industries · Costa Mesa, California, United States · Full-time
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Industrial Engineer, Warehouse & Manufacturing
Anduril Industries · Costa Mesa, California, United States · Full-time
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Industrial Engineer, Supply Chain Material Flow
Anduril Industries · Costa Mesa, California, United States · Full-time
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Senior Mission Systems Engineer, Electronic Assemblies, Active Clearance
Anduril Industries · Costa Mesa, California, United States · Full-time
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Lead Electrical Architect - Expeditionary AI/HPC Data Centers
Anduril Industries · Costa Mesa, California, United States · Full-time
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Systems Engineer, Mission Autonomy, Active Clearance
Anduril Industries · Costa Mesa, California, United States +1 · Full-time
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Open Architecture Systems Engineer, UCI Command & Control
Anduril Industries · Costa Mesa, California, United States +1 · Full-time
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Senior Open Architecture Systems Engineer, UCI Command & Control
Anduril Industries · Costa Mesa, California, United States +1 · Full-time
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Warehouse Forklift Associate, Supply Chain
Anduril Industries · Santa Ana, California, United States · Full-time
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Shipping & Receiving Associate, Warehouse
Anduril Industries · Santa Ana, California, United States · Full-time
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Materials Associate, Warehouse
Anduril Industries · Santa Ana, California, United States · Full-time
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Senior Flight Software Engineer, Embedded C/C++, Air Dominance & Strike
Anduril Industries · Costa Mesa, California, United States · Full-time
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Manufacturing Test Engineer
Anduril Industries · Costa Mesa, California, United States · Full-time
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Business Operations Associate, Production
Anduril Industries · Costa Mesa, California, United States · Full-time
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Senior Aerodynamics Engineer, Air Vehicles
Anduril Industries · Costa Mesa, California, United States · Full-time
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Program Director, Fury
Anduril Industries · Costa Mesa, California, United States · Full-time
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Ground Software Engineer, Space
Anduril Industries · Costa Mesa, California, United States · Full-time
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Senior Ground Software Engineer, Space
Anduril Industries · Costa Mesa, California, United States · Full-time
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Low Observables Engineer, RCS
Anduril Industries · Costa Mesa, California, United States · Full-time
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Low Observables Engineer, Mission Systems
Anduril Industries · Costa Mesa, California, United States · Full-time
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Senior Mechanical Engineer, Air Vehicles
Anduril Industries · Costa Mesa, California, United States · Full-time
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Mechanical Engineer, Air Vehicles
Anduril Industries · Costa Mesa, California, United States · Full-time
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Recruiting Coordinator (Contractor)
Anduril Industries · Costa Mesa, California, United States · Contract
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Flight Software Engineer, Embedded C/C++, Air Dominance & Strike
Anduril Industries · Costa Mesa, California, United States · Full-time
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Mission Operations Engineer, Connected Warfare (Active Clearance)
Anduril Industries · Costa Mesa, California, United States · Full-time
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Production Operator I
Fluxergy · Irvine, California · Full-time
Wider market this week Apply →
Spring 2027 - Intern, Performance
Excel Sports Management · Irvine, California, United States · Internship
Wider market this month Apply →
2027 PhD/MFE Summer Intern – Quantitative Portfolio Manager
PIMCO · Newport Beach, CA USA · Internship
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Robotics Research, Robot Learning & Manipulation Intern (Spring, Summer, & Fall 2027)
Field AI · Irvine, CA · Internship
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Robotics Research, Embodied AI Intern (Spring & Summer 2027)
Field AI · Irvine, CA · Internship
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Summer 2027 Internship - Project Management - California
Stryker · Irvine, California · Internship
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Simulation, Sim to Real Intern
Field AI · Irvine, CA · Internship
Wider market $30 - $40/hr Apply →
Electromechanical Design Engineering Intern (January - August 2027)
Rivian and Volkswagen Group Technologies · Irvine, California · Internship
Wider market $38 - $51/hr Apply →
Software Engineering Intern - Vehicle Controls (January - August 2027)
Rivian and Volkswagen Group Technologies · Irvine, California · Internship
Wider market $40 - $51/hr Apply →
Software Engineering Intern - Connected Systems (January - August 2027)
Rivian and Volkswagen Group Technologies · Irvine, California · Internship
Wider market $40k - $51k Apply →
Software Engineering Intern - Applications, Infotainment & Mobile (January - August 2027)
Rivian and Volkswagen Group Technologies · Irvine, California · Internship
Wider market $40 - $51/hr Apply →
2027 MBA /MFE Summer Intern – Associate, Portfolio Management
PIMCO · Newport Beach, CA USA · Internship
Wider market Apply →
2027 MBA Summer Intern – Credit Research Analyst, US
PIMCO · Newport Beach, CA USA · Internship
Wider market Apply →
2027 PhD Summer Intern – Portfolio Management, Quantitative Research Analyst
PIMCO · Newport Beach, CA USA · Internship
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Show more direct roles (11 remaining)

Roles here come straight from each speedrun portfolio company and refresh daily. Prefer warm intros over cold applying? Join the speedrun talent network: one signup, and we route you to the founders most likely to need you.