Test Engineer (Nuclear)

Location: Torrance, California, United States; onsite work

Salary: $110,000–$140,000 USD per year

Company

hirify.global develops scalable, high-temperature nuclear power systems for industry, hydrogen, and next-generation manufacturing. The Numenor team is building an advanced reactor and the production systems needed to deliver repeatable units.

What you will do

• Design, build, maintain, and operate test stands for performance, reliability, endurance, environmental, and qualification testing.
• Develop test plans, profiles, and procedures with design engineers and the verification and validation team.
• Set up data acquisition systems, integrate data streams with SCADA and historian infrastructure, and prepare data for engineering analysis.
• Monitor tests, troubleshoot instrumentation and hardware faults, analyze data, and identify root causes and design recommendations.
• Support integrated system testing and commissioning of reactor components and systems through first operation.
• Prepare traceable test reports and present results and methodology to regulators and auditors when required.

Requirements

• Bachelor’s degree in Mechanical, Electrical, or Aerospace Engineering or a related field, or equivalent hands-on experience.
• 2+ years of hardware test engineering experience.
• Experience designing and building test stands or test fixtures.
• Familiarity with data acquisition systems, sensors, and instrumentation.
• Working knowledge of Python, MATLAB, SQL, or similar tools for data handling and analysis.
• Strong troubleshooting skills and the ability to diagnose issues from data.
• Clear written and verbal communication, including presenting technical results to non-technical or regulatory audiences.
• Applicants must be legally authorized to work in the United States as a U.S. citizen or lawful permanent resident.

Nice to have

• Experience with SCADA and historian systems.
• Testing high-temperature, high-pressure, or gas systems such as helium systems, pressure vessels, or heat exchangers.
• Mechanism, actuator, or qualification testing experience.
• Testing first-of-a-kind hardware in aerospace, power generation, oil and gas, or defense.
• Documentation experience for regulatory review or compliance audits.
• Nuclear industry experience in commercial, defense, or national laboratory settings is a plus, not a prerequisite.

Culture & Benefits

• Full-time onsite role in Torrance, California.
• Equity ownership, medical benefits, unlimited PTO, and competitive base salary.
• Free daily onsite lunch and dinner and a PPE stipend.
• High-impact startup environment with significant ownership, autonomy, and opportunities for rapid career growth.
• Direct collaboration with operators, engineers, regulators, and industry leaders while developing advanced nuclear technology.