Senior Test Engineer (Nuclear)

TL;DR

Senior Test Engineer (Nuclear): Designing and implementing mission-critical operational procedures for portable nuclear microreactors with an accent on bridging hardware engineering, operations, and human factors. Focus on ensuring DOE/NRC compliance, optimizing operator interfaces, and developing digital twin simulations for safe reactor execution.

Location: Must work 100% onsite at El Segundo HQ

Salary: $139,500 – $196,875 + Equity

Company

hirify.global is a startup building the world’s first mass-produced, portable nuclear microreactors to provide clean power for hospitals, data centers, and military bases.

What you will do

• Develop and refine operational procedures integrating software and hardware-in-the-loop testing.
• Collaborate with engineers to improve operator interfaces, procedural workflows, and software tools.
• Qualify as a Reactor Operator (RO) to ensure procedures align with real-world execution.
• Support testing and iterative improvements of digital twin scenarios and human-machine interfaces.
• Ensure strict compliance with DOE and NRC standards in all procedural documentation.

Requirements

• Undergraduate degree in an engineering discipline.
• 2+ years of professional experience in engineering problem-solving, system design, or testing.
• Proficiency in managing complex hardware and software processes for testing and operations.
• Must work 100% onsite at El Segundo HQ.
• Must be able to comply with U.S. export controls.
• Visa sponsorship is not available at this time.

Nice to have

• Background in highly regulated industries such as nuclear, aerospace, aviation, or maritime.
• Proficiency in Python and UNIX for procedure testing within simulator environments.
• Experience in human factors engineering, user-centered instructions, or mission control room operations.

Culture & Benefits

• Substantial incentive stock plan for all full-time employees.
• Comprehensive health, vision, and dental insurance (up to 100% coverage for employees).
• Daily catered lunch, free snacks, and drinks.
• 8 weeks of paid parental leave and a flexible PTO policy.
• On-site camaraderie and team-bonding events at the El Segundo headquarters.