Mechanical Test Engineer (Optomechanical Systems)

Location: Los Angeles, CA, United States

Base salary: $110,000–$180,000 annually

Company

hirify.global designs, builds, and operates low-cost uranium enrichment services in the United States to support advanced reactors, AI, advanced manufacturing, and other critical industries.

What you will do

• Design, build, and maintain test fixtures, rigs, and setups for mechanical, thermal, vibration, shock, durability, and environmental testing.
• Develop and execute test plans for precision optical mounts, alignment stages, beam delivery assemblies, and other enrichment hardware.
• Instrument test articles and collect, reduce, and analyze data to evaluate pass/fail criteria and design margins.
• Perform coupon- and component-level materials testing, including fatigue, corrosion, wear, and thermal cycling.
• Investigate test failures, identify root causes, and verify corrective actions with design engineers.
• Own test documentation and collaborate with mechanical, optical, materials, manufacturing, and nuclear engineers to improve designs and processes.

Requirements

• Bachelor's degree in Mechanical Engineering or a related field.
• 3+ years of experience in mechanical testing, environmental testing, or hardware qualification through projects, research, internships, or professional work.
• Hands-on experience designing and building test fixtures and instrumented test setups.
• Working knowledge of vibration, shock, thermal cycling, thermal vacuum, durability, and fatigue testing.
• Ability to work directly with laboratory hardware and troubleshoot instrumentation and data acquisition systems.
• Ability to work extended hours and weekends when necessary.

Nice to have

• Materials science or metallurgy experience, particularly failure analysis, fatigue, corrosion testing, or performance of metals and alloys in extreme conditions.
• Experience testing precision optical or photonic hardware, including alignment repeatability, beam stability, or thermal management.
• Experience with sensors, data acquisition systems, and test automation.
• Strong engineering fundamentals and statistical methods for interpreting test data.
• Experience in a fast-paced, highly technical, or entrepreneurial engineering environment.

Culture & Benefits

• Mission-driven work focused on making nuclear energy more affordable.
• Fast-paced, high-intensity, Skunkworks-style engineering projects.
• Culture of urgency, accountability, transparency, and first-principles problem solving.
• Full-time hires may be eligible for stock options.
• Medical, vision, and dental coverage, plus access to a 401(k) retirement plan.