Senior Mechanical Design Engineer (PCS)

Antares
United States
Workplace: OnsiteFull timeUSD 115,000 - 185,000 annuallyFunction: Design (Product/UX/UI/Visual)Experience: 5+ yearsEducation: bachelorsSkills: []

Design the Power Conversion System (PCS) hardware that converts turbomachinery, motor-generator, recuperator, and primary heat exchanger components into an installed, testable, and operable power plant. Own the mechanical arrangement and pressure budget, design leak-tight working-fluid pressure boundaries, manage interfaces, and support test rig instrumentation placement. Drive concept-to-fabrication design iterations using test data to improve life and performance while ensuring manufacturability and assembly.

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FursaFursa
Antares
Antares
2 days ago

Senior Mechanical Design Engineer (PCS)

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Last checked: 1 hour agoStatus: Live

Job Summary

Design the Power Conversion System (PCS) hardware that converts turbomachinery, motor-generator, recuperator, and primary heat exchanger components into an installed, testable, and operable power plant. Own the mechanical arrangement and pressure budget, design leak-tight working-fluid pressure boundaries, manage interfaces, and support test rig instrumentation placement. Drive concept-to-fabrication design iterations using test data to improve life and performance while ensuring manufacturability and assembly.
Location: United States
Workplace: Onsite
Employment Type: Full time
Job Function: Design (Product/UX/UI/Visual)
Seniority: Mid level

Key Responsibilities

  • •Own the mechanical arrangement and pressure budget of the PCS and close the loop with cycle performance on parasitic losses.
  • •Design the working-fluid pressure boundary (piping, joints, penetrations, isolation) with leak-tightness and pressure retention as first-class requirements.
  • •Define the mechanical arrangement and maintenance architecture (skid/module arrangement, supports, anchors, alignment) accounting for thermal growth, loads, safety, transport, and seismic conditions.
  • •Manage mechanical interfaces to major PCS components, reactor, and safety systems.
  • •Support test rig design and instrumentation placement, then use collected data to improve component life and performance.

Pay and Benefits

Salary: USD 115,000 - 185,000 annually

Key Requirements

  • •Bachelor's degree in Mechanical, Aerospace, or a related engineering discipline.
  • •5+ years for Senior Engineer experience, including hands-on CAD, analysis, fabrication support, and test.
  • •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.
  • •Experience designing hardware for elevated-temperature or high-stress service, including material selection.
Experience:5+ years
Education:Bachelor's in Mechanical, Aerospace, or a related engineering discipline
Tech Stack:CADNXANSYSFemapGD&TFEAASME B31.3ASME BPVC Section VIII

Eligibility

Nationality:US National

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
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Glassdoor: 3.5
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