El Segundo, California, United States · On-site
$45/hr–$61/hr
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can b…
Skills: Fabrication, Assembly, Machining, Welding, Metal Forming
El Segundo, California, United States · On-site
$154k–$249k/yr
Company Overview Hybron is an advanced manufacturing company that is building lightweight composites at mass production scale. At Hybron, we have pioneered a new composites manufacturing process that enables complex, hig…
Skills: Capture management, Business development, Proposal writing, Strategic planning, Government contracting
El Segundo, California, United States · On-site
$100k–$125k/yr
Company Description CREATIVITY IS OUR SUPERPOWER. It’s our heritage and it’s also our future. Because we don’t just make toys. We create innovative products and experiences that inspire fans, entertain audiences and deve…
Skills: Artios CAD, 3D Modeling, Solidworks, Structural Packaging Design, Project Management
El Segundo, California, United States · On-site
$134k–$191k/yr
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can b…
Skills: Structured Finance, Project Finance, Tax Equity, ITC Monetization, Financial Modeling
El Segundo, California, United States · On-site
Testbed Engineer - Flight Hardware, Optics, Electronics & Software V&V About Matter Intelligence Matter Intelligence is building the future of vision AI: pairing a world-first sensor that sees molecular chemistry, temper…
Skills: Testbed Development, Hardware-In-The-Loop (HIL), Optical Alignment, Electrical Troubleshooting, Software Verification & Validation
Northrop Grumman Mission Systems, Inc.El Segundo, California, United States · On-site
$76k–$141k/yr
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: None TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to …
Skills: Subcontract Management, Proposal Evaluation, Negotiation, SAP, FAR
El Segundo, California, United States · On-site
$140k–$200k/yr
About Rainmaker Rainmaker is pioneering a modern cloud-seeding system to increase precipitation, improve water availability, and address severe-weather challenges. We combine atmospheric science, weather-resistant UAS, r…
Skills: Instrumentation Engineering, Hardware Architecture, Optical Engineering, Embedded Systems, System Integration
El Segundo, California, United States · On-site
Salary: $100,000 - $120,000 Position Overview Shinkei Systems is pioneering technology to deliver the highest-quality seafood at scale. We’re looking for a Mechanical Engineer to sit at the intersection of fish biology r…
Skills: Electro-mechanical Design, Sensor Integration, Data Processing, Mechanism Design, Physical Prototyping
El Segundo, California, United States · On-site
Salary: $85,000 - $100,000 Position Overview Shinkei Systems is pioneering technology to deliver the highest-quality seafood at scale. We’re looking for a Mechanical Engineering Associate to sit at the intersection of fi…
Skills: Mechanical Design, CAD, Machining, Fabrication, Robotics
El Segundo, California, United States · On-site
$155k–$175k/yr
About Varda Low Earth orbit is open for business. Varda is accelerating the development of commercial space infrastructure, from in-orbit pharmaceutical processing to reliable and economical reentry capsules. Varda’s W-S…
Skills: Contract Negotiation, FAR Compliance, DFARS Compliance, Export Control Management, ITAR
El Segundo, California, United States · On-site
$117k–$227k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Structural Dynamics, Coupled Loads Analysis, Launch Vehicle Design, Mission Assurance, Structural Engineering
El Segundo, California, United States · On-site
$25/hr–$38/hr
CNC Machining Technician — Entry to Mid-Level Location: El Segundo, California Employment Type: Full-Time, In Person Classification: Hourly, Non-Exempt Compensation: $25–$38 per hour, depending on experience and demonstr…
Skills: CNC Milling, CNC Lathe Operation, Blueprint Reading, GD&T, Dimensional Inspection
El Segundo, California, United States · Hybrid
$116k–$160k/yr
#WeAreIn for jobs that impact everyone's life. Speak the language of innovation: where every customer story sparks a tech revolution? As a Staff Engineer Technical Marketing in our Customer Collaboration and Technical Ma…
Skills: MOSFET Validation, Hardware Design, Power Electronics, DC/DC Converter Design, AC/DC Converter Design
El Segundo, California, United States · On-site
$19/hr–$23/hr
Build Your Career with Dimerco Looking to level up? Join Dimerco and unleash your potential! We’re looking for responsible, self-motivated individuals ready to grow in the fast-paced world of global shipping and lo…
Skills: Communication skills, Multi-tasking, Detail-oriented, Teamwork, Inventory Management
El Segundo, California, United States · On-site
$85k–$120k/yr
Company Overview Hybron Technologies is a startup that has developed a new manufacturing method for fiber-reinforced polymer composites that will revolutionize lightweight component production. Our new process solves the…
Skills: CNC Machining, CAM Programming, CAD Software, GD&T, Technical Drawing Interpretation
El Segundo, California, United States · On-site
$146k–$277k/yr
Date Posted: 2026-07-21 Country: United States of America Location: US-CA-EL SEGUNDO-R02 ~ 1970 E Imperial Hwy ~ BLDG R02 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The abil…
Skills: Program Management, Cost Account Management, Integrated Master Plan and Schedule, Risk and Opportunity Management, Earned Value Management System
El Segundo, California, United States · On-site
$48/hr–$58/hr
Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protect…
Skills: SolidWorks, GD&T, Mechanical Drafting, Product Data Management (PDM), Engineering Change Orders (ECO)
El Segundo, California, United States · On-site
$140k–$190k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Power Conversion Engineering, System Delivery, Program Management, Mechanical Engineering, Electrical Engineering
El Segundo, California, United States · On-site
$85k–$120k/yr
Company Overview Hybron Technologies is a startup that has developed a new manufacturing method for fiber-reinforced polymer composites that will revolutionize lightweight component production. Our new process solves the…
Skills: CNC Machining, CAM Programming, CAD Software, GD&T, Technical Drawing Interpretation
El Segundo, California, United States · On-site
$120k–$170k/yr
About Varda Low Earth orbit is open for business. Varda is accelerating the development of commercial space infrastructure, from in-orbit pharmaceutical processing to reliable and economical reentry capsules. Varda’s W-S…
Skills: Spacecraft Operations, Python, JavaScript, HTML, Avionics
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Fabricate and assemble development microreactor units and test rigs using various shop equipment. Collaborate with engineers to troubleshoot mechanical, electrical, and thermal issues while maintaining high operational safety standards.
Requires a high school diploma and at least 5 years of fabrication or assembly experience. Candidates must be able to read mechanical drawings, use machine tools, and perform physical labor up to 50 lbs.
Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor at the Idaho National Laboratory this summer, with initial customer deliveries beginning in 2028.
Radiant is seeking a Senior Engineering Technician who will build to print and have the opportunity to apply a variety of skillsets while fabricating and assembling our development microreactor unit. Additionally, you will be instrumental in building large and small-scale test rigs, making prototype parts and tooling, sourcing tools to execute builds, material handling, and more. You will be a foundational technician team member at Radiant with a high degree of autonomy and initiative is needed. You will build and maintain our prototype shop in our new El Segundo headquarters and use a variety of tools as it comes to shop activities (machining, welding, metal forming, electrical work, plumbing, etc.). You’ll have the opportunity to bring significant technical contribution to the team and lead us to the successful fueling of a new reactor design in over 50 years by 2026.
Responsibilities and Duties:
Fabricate piece parts to print using shop equipment: mill, lathe, welders, metal forming tools, hand tools, etc.
Own the assembly and commissioning of test rigs and production builds.
Perform troubleshooting and root cause investigation of mechanical, electrical, thermal, and pneumatic issues.
Partner and collaborate with engineers to develop solutions and improvements for hardware design, fabrication, and assembly.
Abide by a high level of operational standards regarding safety, reliability, and cleanliness.
Perform other tasks as needed. We are a small company, and you may need to perform tasks outside your normal duties and responsibilities.
High school diploma or equivalent certificate.
5+ years of fabrication or assembly work experience.
Positive attitude and able to work well on a team.
Able to work independently and efficiently with minimal supervision.
Able to stay organized and strong attention to detail.
Able to use traditional inspection tools for the inspection of parts and assemblies.
Able to read mechanical drawings and interpret tolerances.
Able to read and interpret fluid or electrical schematics.
Experienced in manufacturing with the use of machine tools, saws, grinders etc.
Physical effort including standing, lifting, and carrying equipment up to 50 lbs. unassisted.
Able to work in outdoor environments as needed.
Ability to work at elevated heights occasionally (scissor lifts, ladders, etc.)
Ability to travel on occasion for offsite support.
Experience operating and working with high pressure and temperature systems.
Experience with MIG and TIG welding.
Experience with CNC programming and manual machine operation.
Experience with GD&T interpretation preferred.
Knowledge/experience working with electrical components and high voltage systems.
Experience operating safely in shop environments.
Experience lifting, rigging, and preparing for heavy crane operations of complicated parts.
Proficient computer skills; comfortable with using email and the Microsoft Office suite.
Must be willing to work extended hours and weekends as necessary to achieve company goals.
Must work 100% onsite at El Segundo HQ.
Stock: Substantial incentive stock plan for all full-time employees.
Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.
One Medical: Sponsored memberships for employees and their dependents.
Vision: 100% top tier plan coverage + 50% for dependents.
Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.
Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.
8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.
Daily catered lunch. Free snacks and drinks.
Flexible PTO policy. Remote workday allocation.
Company and team-bonding events, happy hours and in-person camaraderie.
Beautiful El Segundo headquarters close to the Pacific Ocean.
Total Compensation and Benefits
Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant.
The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: [email protected].
We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.
This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.
Making Nuclear Power Portable.
Radiant is building the world’s first mass-produced portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1 MW failsafe microreactor that can be transported anywhere power is needed. Founded in 2020, Radiant plans to test its first reactor in 2026, with initial customer deployments beginning in 2028.
Offices: 1921 E Maple Ave, El Segundo, California 90245, US
Based on 586 listings with disclosed salaries, most manufacturing jobs in El Segundo, CA pay between $91k–$213k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 645 open manufacturing positions in El Segundo, CA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Boeing, Varda Space Industries, Radiant, CHAOS Industries, RTX, among others. Browse the listings above to see every active employer.
Yes — 39 of the 645 open manufacturing positions offer remote or hybrid work (5 remote, 34 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
