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Jobs at Antares

Antares Nuclear develops and manufactures factory-produced fission microreactors for strategic energy applications on Earth, in space, and underwater. Its Mark-0 reactor uses heat-pipe cooling and targets defense, remote industrial, and other critical missions.

Industry
Climate & Energy, Aerospace & Defense, Industrial & Manufacturing
Company size
51–200 employees
Stage
Series C
Open roles
87
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  1. R&D Technician II-IIILos Angeles, CAFull-time · On-site—
  2. Government Affairs InternUnited StatesInternship · On-site$34 / hr
  3. Reactor OperatorIdaho Falls, IDFull-time · On-site—
  4. Senior-Staff Enterprise Software EngineerLos Angeles, CAFull-time · On-site$160,000–235,000
  5. Environmental Lab ManagerLos Angeles, CAFull-time · On-site$160,000–225,000
  6. Thermo-Mechanical Engineer, Heat ExchangerLos Angeles, CAFull-time · On-site$145,000–190,000
  7. Senior Structures EngineerLos Angeles, CAFull-time · On-site$145,000–190,000
  8. Nuclear Instrumentation & Controls EngineerLos Angeles, CAFull-time · On-site$125,000–210,000
  9. Staff Piping Stress Design Engineer (PCS)Los Angeles, CAFull-time · On-site$150,000–220,000
  10. Senior Motor-Generator EngineerLos Angeles, CAFull-time · On-site$145,000–220,000
  11. IT Helpdesk TechnicianLos Angeles, CAFull-time · On-site$30–58 / hr
  12. Senior Manufacturing Engineer - Supply Chain (Electrical/Electromechanical)Los Angeles, CAFull-time · On-site$115,000–190,000
  13. Senior Mechanical Design Engineer - SpaceLos Angeles, CAFull-time · On-site$145,000–190,000
  14. Senior Mechanical Engineer, Piping SystemsLos Angeles, CAFull-time · On-site$150,000–190,000
  15. Senior Thermal Fluids AnalystLos Angeles, CAFull-time · On-site$150,000–190,000
  16. CNC Programmer IIILos Angeles, CAFull-time · On-site$41–51 / hr
  17. Test Technician IVLos Angeles, CAFull-time · On-site—
  18. Mechanical Design Engineer I/II - SpaceLos Angeles, CAFull-time · On-site$90,000–150,000
  19. Build Engineer I/II - SpaceLos Angeles, CAFull-time · On-site$90,000–185,000
  20. Senior-Staff Manufacturing Engineer, Assembly & IntegrationLos Angeles, CAFull-time · On-site$140,000–225,000
  21. Senior/Staff Space Systems Electrical EngineerLos Angeles, CAFull-time · On-site$160,000–235,000
  22. Senior AccountantLos Angeles, CAFull-time · On-site$150,000–180,000
  23. Senior Software Engineer, Hardware Test PlatformLos Angeles, CAFull-time · On-site$160,000–210,000
  24. Senior Thermo-Mechanical EngineerLos Angeles, CAFull-time · On-site$115,000–185,000
  25. R&D Welding & Fabrication Technician IIILos Angeles, CAFull-time · On-site—
  26. R&D Machinist ILos Angeles, CAFull-time · On-site—
  27. Technical RecruiterLos Angeles, CAFull-time · On-site$90,000–150,000
  28. Build Quality Engineer II-SeniorLos Angeles, CAFull-time · On-site—
  29. Senior Test Engineer - SpaceLos Angeles, CAFull-time · On-site$140,000–190,000
  30. R&D Machinist III-IVLos Angeles, CAFull-time · On-site—
  31. Harnessing EngineerLos Angeles, CAFull-time · On-site$125,000–210,000
  32. Strategic Finance AssociateLos Angeles, CAFull-time · On-site$150,000–180,000
  33. Senior Thermal Analyst - SpaceLos Angeles, CAFull-time · On-site$145,000–185,000
  34. Senior Structural Analyst - SpaceLos Angeles, CAFull-time · On-site$145,000–185,000
  35. Licensing EngineerIdaho Falls, IDFull-time · On-site$115,000–190,000
  36. Space Mechanical Design Engineering Intern - Summer 2027Los Angeles, CAInternship · On-site$34 / hr
  37. Head of Marketing & CommunicationsLos Angeles, CAFull-time · On-site$150,000–220,000
  38. Equipment Reliability EngineerLos Angeles, CAFull-time · On-site$115,000–150,000
  39. Materials EngineerLos Angeles, CAFull-time · On-site—
  40. Staff-Principal Tooling Design EngineerLos Angeles, CAFull-time · On-site—
  41. Staff-Principal Reliability EngineerLos Angeles, CAFull-time · On-site—
  42. Software Intern - Summer 2027Los Angeles, CAInternship · On-site—
  43. Software Engineering Intern - Summer 2027Los Angeles, CAInternship · On-site—
  44. Quality Engineering Intern - Summer 2027Los Angeles, CAInternship · On-site—
  45. Supply Chain ManagerLos Angeles, CAFull-time · On-site—
  46. Staff Turbomachinery Design EngineerLos Angeles, CAFull-time · On-site$140,000–185,000
  47. Nuclear Operations & Licensing Engineering Intern - Summer 2027Idaho Falls, IDInternship · On-site—
  48. IT Helpdesk Intern - Summer 2027Los Angeles, CAInternship · On-site—
  49. Business Operations Finance Intern - Summer 2027Los Angeles, CAInternship · On-site—
  50. Senior, Turbomachinery Design EngineerLos Angeles, CAFull-time · On-site$140,000–185,000
  51. Senior, Turbomachinery Design EngineerLos Angeles, CAFull-time · On-site$140,000–185,000
  52. Embedded Controls Engineer - PCS (Power Conversion System)Los Angeles, CAFull-time · On-site—
  53. Nuclear Engineering Intern - Summer 2027Los Angeles, CAInternship · On-site—
  54. Mechanical Engineering Design Intern - Summer 2027Los Angeles, CAInternship · On-site—
  55. Electrical Engineering Intern - Summer 2027Los Angeles, CAInternship · On-site—
  56. Recruiting CoordinatorLos Angeles, CAFull-time · On-site—
  57. Senior-Staff Reliability EngineerLos Angeles, CAFull-time · On-site—
  58. Tooling Design Engineer II-SeniorLos Angeles, CAFull-time · On-site—
  59. Business Development ManagerUnited StatesFull-time · On-site—
  60. Senior Electrical EngineerLos Angeles, CAFull-time · On-site—
  61. Senior Mechanical Design Engineer - Reactivity ControlsLos Angeles, CAFull-time · On-site$145,000–185,000
  62. Mechanical Design Engineer II - Reactivity ControlsLos Angeles, CAFull-time · On-site$115,000–150,000
  63. Senior Mission EngineerLos Angeles, CAFull-time · On-site$145,000–185,000
  64. Structural Analyst IILos Angeles, CAFull-time · On-site—
  65. Mission Engineer IILos Angeles, CAFull-time · On-site$115,000–150,000
  66. Senior Manufacturing Engineer, FabricationLos Angeles, CAFull-time · On-site—
  67. Senior Mechanical Design Engineer (PCS)Los Angeles, CAFull-time · On-site$145,000–185,000
  68. Mechanical Design Engineer II (PCS)Los Angeles, CAFull-time · On-site$115,000–150,000
  69. Senior/Staff Nuclear Safety Analysis EngineerLos Angeles, CAFull-time · On-site—
  70. Thermo-Mechanical Engineer IILos Angeles, CAFull-time · On-site$115,000–150,000
  71. Senior Thermo-Mechanical EngineerLos Angeles, CAFull-time · On-site$140,000–185,000
  72. Mechanical Design Engineer II Los Angeles, CAFull-time · On-site—
  73. Senior Power Electronics EngineerLos Angeles, CAFull-time · On-site—
  74. Senior/Staff Electrical Systems EngineerLos Angeles, CAFull-time · On-site$150,000–185,000
  75. Senior Nuclear EngineerLos Angeles, CAFull-time · On-site—
  76. General CounselLos Angeles, CAFull-time · On-site$130 / hr
  77. Enterprise Software EngineerLos Angeles, CAFull-time · On-site$130 / hr
  78. Nuclear Operations EngineerIdaho Falls, IDFull-time · On-site$130 / hr
  79. Test Engineer I-IILos Angeles, CAFull-time · On-site$130 / hr
  80. Welding EngineerLos Angeles, CAFull-time · On-site$130 / hr
  81. Senior, Systems EngineerLos Angeles, CAFull-time · On-site$130 / hr
  82. Senior Firmware EngineerLos Angeles, CAFull-time · On-site$130 / hr
  83. ControllerLos Angeles, CAFull-time · On-site$130 / hr
  84. Electrical Engineer I/IILos Angeles, CAFull-time · On-site$130 / hr
  85. Nuclear Engineer I/IILos Angeles, CAFull-time · On-site$130 / hr
  86. Senior Manufacturing Engineer, Electrical Engineering Los Angeles, CAFull-time · On-site$130 / hr
  87. Manufacturing Engineer I-II, MachiningLos Angeles, CAFull-time · On-site$130 / hr

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