Antares Nuclear
Staff-Principal Tooling Design Engineer
$170K–$250K
Los Angeles · Principal · Full-time · Posted Sep 16, 2026
- Experience
- 8+ years.
- Education
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Manufacturing Engineering, or a related technical discipline.
- Visa sponsorship
- Applicant must be a U.S. citizen or national, U.S. lawful permanent resident, refugee, or asylee, or be eligible to obtain required authorizations from the U.S. Department of State.
About the job
Owns the design and lifecycle implementation of tooling and ground support equipment used to manufacture, test, transport, install, service, and decommission Antares microreactors.
What you'll do
- Design, analyze, document, and qualify mechanical tooling, fixtures, lifting and handling equipment, test support equipment, and deployment systems.
- Work hands-on with manufacturing teams, suppliers, and technicians to fabricate, commission, operate, and improve tooling in factory and field environments.
- Develop safe-use instructions and support readiness reviews, testing, deployment, maintenance, and decommissioning planning.
What they ask for
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Manufacturing Engineering, or a related technical discipline.
- 8+ years of experience designing mechanical hardware, tooling, fixtures, ground support equipment, manufacturing equipment, or similar systems.
- Strong 3D CAD skills and experience producing production-quality engineering drawings.
- Experience taking mechanical designs from concept through fabrication, assembly, and implementation; experience designing hardware for manufacturing, test, installation, maintenance, or field operations.
Nice to have
- Proficiency with Siemens NX.
- Experience with ground support equipment, lifting and handling equipment, test stands, or specialized tooling for aerospace, nuclear, defense, or similar hardware.
Pay
$170,000-$225,000 USD base salary (Staff Tooling Design Engineer); $190,000-$250,000 USD base salary (Principal Tooling Design Engineer)
Tools
Siemens NX, finite element analysis, CNC machining, welding, sheet metal fabrication, structural fabrication, additive manufacturing
Model-written summary · the original posting is authoritative