Test Engineer II-Senior

The role

You will design, build, and own test infrastructure for the R1 microreactor. You will develop end-to-end test plans for components and subsystems including heat rejection, power distribution, thermal management, and mechanical systems.

What you will do

• Architect, build, and employ bespoke test stands and rigs for heat pipe components and assemblies
• Develop comprehensive test plans and protocols
• Build test schedules and ensure alignment with development and business needs
• Lead test design and readiness reviews
• Validate measurement precision and accuracy
• Create schematics and CAD models of test setups and facilities
• Define standard processes and workflows for testing
• Provide subject matter expertise on test methods and mentor teammates
• Participate in root cause investigations and implement corrective actions

Required qualifications

• Bachelor’s degree in physics or an engineering discipline
• 2+ years of hands-on test engineering experience
• Experience designing assemblies and test fixtures using CAD
• Experience integrating and using test instrumentation (pressure transducers, thermocouples, strain gauges, relays, solenoid valves, etc.)
• Ability to work long hours and weekends as necessary to support critical milestones
• Ability to lift 25 lbs
• Role may require standing, climbing, bending, grasping, sitting, pulling, pushing, stooping, stretching, and carrying

Nice to have

• Master’s degree or higher in mechanical or aerospace engineering
• 5+ years of hands-on test engineering experience
• Experience designing and building test rigs and executing thermal and mechanical tests
• Experience with LabVIEW, Simulink, or similar test software
• Experience testing thermal management or heat-rejection systems, or vacuum-relevant components
• Experience in mechanical, durability, or materials testing
• Leadership experience on a project or research team
• Strong project management and cross-disciplinary communication skills
• Demonstrated track record of high-impact technical contributions
• Experience with part inspection technologies (micrometers, CMM, white light scanning, etc.)

About the company

Antares is building mass-producible, inherently safe, deployable microreactors for terrestrial, underwater, and space use. The team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, and other organizations.