Senior, Thermo-Mechanical Design Engineer - Reactor Cavity Cooling Systems

Antares
Los Angeles
Workplace: OnsiteFull timeUSD 140,000 - 185,000 annuallyFunction: Design (Product/UX/UI/Visual)Experience: 5+ yearsEducation: bachelorsSkills: ["CFD","HVAC","Piping","Thermal-fluid","Heat transfer","Structural design","Multidisciplinary teamwork","Technical communication","Design reviews"]

Senior Thermo-Mechanical Design Engineer responsible for leading the RCCS design and analysis, including thermal-fluid, mechanical, and piping systems; defines architecture, limits, margins, and control strategies to ensure reliable performance across operating conditions while coordinating across reactor Systems, licensing, manufacturing, and operations.

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Antares
Antares
2 months ago

Senior, Thermo-Mechanical Design Engineer - Reactor Cavity Cooling Systems

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Job Summary

Senior Thermo-Mechanical Design Engineer responsible for leading the RCCS design and analysis, including thermal-fluid, mechanical, and piping systems; defines architecture, limits, margins, and control strategies to ensure reliable performance across operating conditions while coordinating across reactor Systems, licensing, manufacturing, and operations.
Location: Los Angeles
Workplace: Onsite
Employment Type: Full time
Job Function: Design (Product/UX/UI/Visual)
Seniority: Sr. Manager level

Key Responsibilities

  • •Perform thermal-fluid, mechanical, and structural analyses to support the sizing, layout, and optimization of cooling system components, including piping, ducts, stacks, supports, filtration equipment, and reactor cavity structures.

Pay and Benefits

Salary: USD 140,000 - 185,000 annually
Equity and Bonus:Equity

Key Requirements

  • •Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Nuclear Engineering, or a related engineering discipline with an emphasis on thermal-fluid sciences, heat transfer;
  • •5+ years of professional engineering experience in the design, analysis, or development of thermal-fluid, HVAC, heat transfer, or cooling systems;
  • •Experience performing engineering analyses including thermal, fluid flow, and structural calculations to support component and system design;
  • •Demonstrated ability to work effectively on multidisciplinary engineering teams and communicate technical concepts to a variety of stakeholders;
  • •Master's degree or higher in Mechanical Engineering, Aerospace Engineering, Nuclear Engineering, Thermal Sciences, or a related discipline (preferred)
Experience:5+ yearsThermofluidHVACHeat transferCooling systems
Education:Bachelor's
Skills:CFDHVACPipingThermal-fluidHeat transferStructural designMultidisciplinary teamworkTechnical communicationDesign reviews
Languages:English
Tech Stack:ANSYSCOMSOL MultiphysicsCFDFEACAD

Company Brief

Antares
Designs and builds compact nuclear microreactors for remote, defense, industrial and space applications, focusing on transportable, low-footprint reactors and associated fuel and manufacturing capabilities.
Industry: Nuclear Energy
Company Size: Small (11 to 50 employees)
Growth: Growth Stage Startup
Funding: Series B
Headquarters: Los Angeles, United States
Founded: 2023
Glassdoor
Glassdoor: 3.5
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