Test Engineer (Nuclear Energy)

Location: Onsite in Torrance, California, in the Los Angeles area

Salary: $112,000–$185,000 per year, plus equity. Test Engineer II: $112,000–$150,000; Senior Test Engineer: $140,000–$185,000.

Company

hirify.global is a Series C clean-energy startup developing mass-producible, inherently safe microreactors for terrestrial, underwater, and space applications.

What you will do

• Design, build, and operate bespoke test stands and rigs for heat-pipe components and assemblies.
• Develop end-to-end test plans covering instrumentation, execution, pass/fail criteria, and data analysis.
• Create test schedules and lead test design, readiness, and results reviews.
• Design and maintain test setups, schematics, CAD models, fixtures, and sensor systems.
• Define testing processes for prototype, qualification, and production hardware.
• Support root-cause investigations, corrective actions, and technical mentoring.

Requirements

• Bachelor’s degree in physics or an engineering discipline.
• At least 2 years of hands-on test engineering experience; senior-level candidates may have 5+ years.
• Experience designing assemblies and test fixtures with CAD.
• Experience integrating test instrumentation such as pressure transducers, thermocouples, strain gauges, relays, and solenoid valves.
• Ability to work extended hours and weekends when required for critical milestones, and to perform the listed physical activities including lifting 25 pounds.
• Must be a U.S. citizen or national, lawful permanent resident, refugee, or asylee, or be eligible to obtain the required U.S. government authorizations under export regulations.

Nice to have

• Master’s degree or higher in mechanical or aerospace engineering.
• Experience building test rigs and performing thermal, mechanical, durability, materials, thermal-management, heat-rejection, or vacuum-relevant testing.
• Experience with LabVIEW, Simulink, Python, or similar test software.
• Experience with project leadership, cross-disciplinary communication, part inspection technologies, PLM, ERP, or manufacturing systems.

Culture & Benefits

• Significant stock option package in addition to salary.
• Work is centered around in-person collaboration at a 322,000-square-foot R&D and production facility.
• Values include systems thinking, end-user focus, challenging convention, going where the work is, and operating in ambiguity.
• Opportunities to work on advanced nuclear-energy systems supporting terrestrial, defense, NASA, and space applications.