Test Engineer, Numenor (Reactor)

The role

The Test Engineer will design and build test stands, run test campaigns, and process raw data. This role involves testing components and systems like control rod mechanisms and helium systems from development through commissioning.

What you will do

• Design, build, and maintain test stands for various testing types.
• Develop test plans, profiles, and procedures with design engineers and the V&V team.
• Run tests, monitor live data, and adjust parameters.
• Set up and maintain data acquisition systems.
• Integrate test stand data streams with SCADA and historian infrastructure.
• Process raw test data into clean formats for analysis and reporting.
• Troubleshoot instrumentation, test stand hardware, and data acquisition faults.
• Analyze test data to diagnose root causes and provide design recommendations.
• Support integrated system testing and commissioning through first operation.
• Prepare test reports and maintain traceable records of procedures and results.

Required qualifications

• Bachelor’s degree in Mechanical, Electrical, or Aerospace Engineering or a related field, or equivalent hands-on experience.
• 2+ years of test engineering experience on hardware.
• 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 mindset, with the ability to diagnose issues from data.
• Clear written and verbal communication, including presenting technical results to non-technical or regulatory audiences.

Nice to have

• Experience with SCADA and historian systems.
• Testing of high-temperature, high-pressure, or gas systems, such as helium, pressure vessels, or heat exchangers.
• Mechanism, actuator, or qualification testing.
• Test experience on first-of-a-kind hardware in aerospace, power generation, oil and gas, or defense.
• Experience preparing documentation for regulatory review or compliance audits.
• Nuclear industry experience: commercial, defense, or national laboratory.

Benefits

• Competitive base salary
• Equity ownership
• Comprehensive medical benefits
• Unlimited PTO
• Free daily lunch and dinner provided onsite
• Generous PPE stipend

Before you apply

• Applicants must be legally authorized to work in the United States as a U.S. citizen or lawful permanent resident (green card holder).

About the company

Valar Atomics aims to make clean, high-temperature nuclear power scalable. Their first pilot plant will be in Orangeville, Utah.