Antares Nuclear
Mechanical Design Engineer II (PCS)
$115K–$190K
Los Angeles · Full-time · Posted Aug 24, 2026
- Experience
- 2+ years of full-cycle design engineering experience.
- Education
- Bachelor's degree in Mechanical, Aerospace, or a related engineering 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 the required U.S. Department of State authorizations, to conform to U.S. Government export regulations.
About the job
Design and integrate the Power Conversion System’s pressure-boundary and mechanical hardware, carrying it from concept through fabrication, assembly, and testing.
What you'll do
- Own the PCS mechanical arrangement and pressure budget, including pressure-boundary design, rotating machinery supports, alignment, and interfaces with reactor and safety systems.
- Support test-rig design and instrumentation; use test data to improve component life and performance.
- Design for high-temperature service, manufacturability, assembly, maintenance access, and field installation.
What they ask for
- Bachelor's degree in Mechanical, Aerospace, or a related engineering discipline.
- 2+ years of full-cycle design engineering experience.
- Experience designing pressure-retaining or leak-tight fluid hardware and supporting pressure and leak verification.
- Experience releasing production-intent mechanical drawings and models for fabrication, including GD&T and tolerance stack-up; and designing for elevated-temperature or high-stress service, including material selection.
Nice to have
- Experience in Nuclear, Aerospace, Automotive, Power Generation, Motorsports, or Oil and Gas.
- Experience with pressure-boundary codes and standards such as ASME B31.3 or ASME BPVC Section VIII.
Pay
$115,000 - $150,000 USD base salary; $115K – $190K USD (compensation type not specified)
Tools
ASME B31.3, ASME BPVC Section VIII, NX, ANSYS, Femap
Model-written summary · the original posting is authoritative