Drimva

Antares Nuclear

Senior Thermo-Mechanical Engineer, Heat Exchanger

$140K–$190K

Los Angeles · Senior · Full-time · Posted Oct 28, 2026

Experience
5+ years; preferably involving heat exchangers, pressure-containing equipment, or high-temperature systems.
Education
Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Nuclear Engineering, or a related physics-based field.
Visa sponsorship
Applicant must be a U.S. citizen or national, lawful permanent resident, refugee, or asylee, or be eligible to obtain required authorizations from the U.S. Department of State.

About the job

Design, analyze, validate, and improve heat exchangers and associated piping systems from concept through production for advanced energy applications.

What you'll do

  • Design and analyze heat exchangers, piping, manifolds, and mechanical interfaces for thermal performance, structural integrity, and system compatibility.
  • Support manufacturing development and hardware testing, including test articles, test stands, and validation procedures.
  • Investigate hardware failures, define operating limits, and implement design improvements with cross-functional teams.

What they ask for

  • Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Nuclear Engineering, or a related physics-based field.
  • 5+ years of mechanical or thermal engineering experience; heat exchangers, pressure-containing equipment, or high-temperature systems preferred.
  • Experience with mechanical CAD design and engineering analysis tools such as SolidWorks, NX, ANSYS, or COMSOL.
  • Understanding of heat transfer, fluid mechanics, thermal stresses, structural mechanics, and piping/pressure-containing component design.

Nice to have

  • Master's degree in a listed engineering discipline or Thermal Sciences.
  • Experience with heat exchanger design, high-temperature systems, FEA/CFD, piping, fabrication, testing, or applicable ASME codes.

Pay

$140,000 - $185,000 (base salary); $145K – $190K (type not specified)

Tools

SolidWorks, NX, ANSYS, COMSOL, FEA, CFD, ASME BPVC Section VIII, ASME B31.1

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 6, 2026 (UTC)