Mechanical Design Engineer II - Reactivity Controls

Antares
Los Angeles
Workplace: OnsiteFull timeUSD 115,000 - 185,000 annuallyFunction: Design (Product/UX/UI/Visual)Experience: 3+ yearsEducation: bachelorsSkills: ["Systems thinking","Cross-functional collaboration","Documentation","Tradeoff analysis","Presentation"]

Lead the design, development, testing, and validation of mechanical systems that govern reactor reactivity and ensure safe reactor operation. Architect and build control mechanisms that interface with electrical and software subsystems, define requirements and documentation, and run verification/validation plans. Work cross-functionally across thermal, structural, neutronics, controls, and simulation while designing high-temperature, high-stress, radiation-tolerant components and performing DFM, trade studies, and vendor evaluation.

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Antares
Antares
2 days ago

Mechanical Design Engineer II - Reactivity Controls

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Last checked: 2 hours agoStatus: Live

Job Summary

Lead the design, development, testing, and validation of mechanical systems that govern reactor reactivity and ensure safe reactor operation. Architect and build control mechanisms that interface with electrical and software subsystems, define requirements and documentation, and run verification/validation plans. Work cross-functionally across thermal, structural, neutronics, controls, and simulation while designing high-temperature, high-stress, radiation-tolerant components and performing DFM, trade studies, and vendor evaluation.
Location: Los Angeles
Workplace: Onsite
Employment Type: Full time
Job Function: Design (Product/UX/UI/Visual)
Seniority: Mid level

Key Responsibilities

  • •Design, build, and test reactor control mechanisms, hardware, and assemblies.
  • •Concept and develop custom actuation solutions, including mechanisms, linkages, interfaces, and instrumentation.
  • •Define design criteria, requirements, system architecture, and verification/validation test plans.
  • •Collaborate with cross-functional teams across thermal, structural, neutronics, controls, and simulation disciplines.
  • •Perform DFM assessments, execute tradeoffs, and conduct mechanism trade studies with recommendations to senior leadership.

Pay and Benefits

Salary: USD 115,000 - 185,000 annually
Equity and Bonus:Equity

Key Requirements

  • •Bachelor’s degree in engineering.
  • •3+ years in full-cycle design engineering with hands-on CAD, analysis, building, and testing.
  • •Experience with kinematic synthesis, pneumatic/hydraulic actuation, mechatronics, and instrumentation.
  • •Experience with FMEA, including structure strength, stability, and fatigue failure modes.
Experience:3+ yearsRoboticsNuclearAerospace
Education:Bachelor's
Skills:Systems thinkingCross-functional collaborationDocumentationTradeoff analysisPresentation
Tech Stack:CADNXANSYSFemapPythonMATLAB

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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