Radiant · 19 hours ago
Senior Engineering Technician
El Segundo, CA
Full-time
Onsite
Mid, Senior Level
$41/hr - $56/hr
4+ years expRadiant is an El Segundo-based startup building the world’s first mass-produced, portable nuclear microreactors. The Senior Engineering Technician will apply various skillsets in fabricating and assembling development microreactor units, while also being instrumental in building test rigs and contributing to hardware design improvements.
EnergyRenewable EnergyClean EnergyEnergy Efficiency
No H1B
Responsibilities
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
Qualification
Required
High school diploma or equivalent certificate
4+ 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
Must be willing to work extended hours and weekends as necessary to achieve company goals
Must work 100% onsite at El Segundo HQ
Preferred
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
Benefits
Substantial incentive stock plan for all full-time employees.
100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.
Sponsored memberships for eligible employees and their dependents.
100% premium coverage for top tier plan + 50% for dependents.
100% premium coverage for top tier plan (including orthodontia) + 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.
Burgeoning satellite offices in Oak Ridge, TN and Washington, D.C., near Capitol Hill.
Company
Radiant
Radiant develops portable nuclear microreactors designed to generate electricity and heat in a compact, factory-built form.
51-200 employees
Funding
Current Stage
Late StageTotal Funding
$518.82MKey Investors
Boost VC,Draper AssociatesAlumni Ventures,DCVCAndreessen Horowitz
2025-12-17Series D· $300M
2024-11-14Series C· $165M
2023-04-18Series B· $40M
Leadership Team
Doug Bernauer
Chief Executive Officer
Recent News
alleywatch.com
2026-01-23
2026-01-07
The Motley Fool
2026-01-04
Company data provided by crunchbase