Drimva

Antares Nuclear

Thermo-Mechanical Engineer II

$115K–$185K

Los Angeles · Full-time · Posted Aug 19, 2026

Experience
2+ years of full-cycle engineering experience for Engineer II.
Education
Bachelor’s degree in Mechanical, Aerospace, Nuclear, or a related engineering discipline.
Visa sponsorship
To conform to U.S. Government export regulations, applicants must be a U.S. citizen or national, lawful permanent resident, refugee, or asylee, or be eligible to obtain the required U.S. Department of State authorizations.

About the job

Own thermal management and integration for Antares’s Power Conversion System, from system heat budgets and heat rejection to component interfaces, testing, and life-limited hardware plans.

What you'll do

  • Develop the PCS thermal budget, heat-rejection and cold-sink architecture, and recuperator integration.
  • Define thermal configuration and interfaces, including insulation, heat loss, temperatures, instrumentation, and personnel protection.
  • Support testing, correlate thermal models with data, and develop inspection and maintenance plans for life-limited hardware.

What they ask for

  • Bachelor’s degree in Mechanical, Aerospace, Nuclear, or a related engineering discipline.
  • 2+ years of full-cycle engineering experience for Engineer II.
  • Experience using thermal analysis (hand calculations and FEA or CFD) to size, configure, or qualify hardware.
  • Experience designing high-temperature thermal-management hardware, sizing or integrating heat exchangers or heat-rejection paths, correlating predictions with test data, and owning thermal interfaces across subsystems.

Nice to have

  • Experience in Nuclear, Aerospace, Automotive, Power Generation, Motorsports, or Oil and Gas; experience with recuperators or dry heat rejection.
  • Experience with high-temperature life assessment, materials, instrumentation, analysis tools, commissioning, or inspection and maintenance planning.

Pay

$115,000 - $150,000 USD base salary; $115K – $185K USD (compensation type not specified)

Tools

FEA, CFD, ASME BPVC Section III Division 5, Section VIII Division 2 Part 5, ANSYS Mechanical, Femap, NX Thermal, Fluent

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 5, 2026 (UTC)