Mechanical Professional Engineer (PE)

Radiant IndustriesEl Segundo, CA
Onsite

About The Position

Radiant is seeking a highly motivated Mechanical Professional Engineer (PE) to own critical Kaleidos fluid systems from preliminary design through build and production. These systems include the primary loop subsystems and power conversion loop, serving to convert heat from the reactor core into electrical power. You will be responsible for trade studies, component selection, thermal hydraulic analysis, piping design, vendor selection, assembly, and testing. You will have an instrumental impact of fueling the first new commercial reactor design in over 50 years by 2026.

Requirements

  • Professional Engineer (PE) Mechanical license
  • Bachelor’s degree from an accredited institution in Mechanical, Materials, Aeronautical, Civil or Structural Engineering
  • Experience with fluid system architecture design
  • 4+ years of experience in designing, building, and testing fluids systems
  • Proficient knowledge in fluid dynamics and thermodynamics
  • Proficient knowledge of pressure vessel and piping design and analysis methods

Nice To Haves

  • Knowledge of thermodynamic power cycles, high-temperature material selection & capabilities, and creep-fatigue structural analysis methods
  • Prior experience with designing piping system for thermal growth using hand calculations and FEA tools
  • Experience with process piping design and testing codes, such as ASME B31.3, ASME BPVC Section III & Section VIII, and ASME PCC-2
  • Prior experience with fluid system modeling via Matlab/Python
  • Experienced in design for manufacturability and ramping up hardware build in a production environment
  • Experienced in designing and operating test stands.
  • Takes extreme ownership of work and a high degree of responsibility
  • Excellent communication across multidisciplinary teams
  • Prior nuclear experience in not required for this role

Responsibilities

  • Own end-to-end engineering of fluid systems and components, including compressors, valves, and heat exchangers
  • Perform complex structural & thermal analysis to drive design decisions, verify system performance, and ensure integrity using first-principle hand calculations and finite element tools
  • Perform trade studies to optimize system and meet program requirements
  • Develop and execute manufacturing/assembly instructions and test plans
  • Create and manage a Bill-Of-Materials (BOM)
  • Find and develop suppliers for all components
  • Own subassembly design, manufacturing, and test schedules
  • Own risk analysis (FMEA) for subsystems
  • Collect requirements, provide expertise and feedback to engineers in other functional areas via clear, constructive communication

Benefits

  • Substantial incentive stock plan for all full-time employees.
  • 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.
  • Sponsored memberships for employees and their dependents.
  • 100% top tier plan coverage + 50% for dependents.
  • 100% top tier plan coverage, orthodontia extra, 50% for dependents.
  • Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.
  • 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.
  • Daily catered lunch. Free snacks and drinks.
  • Flexible PTO policy. Remote workday allocation.
  • Company and team-bonding events, happy hours and in-person camaraderie.
  • Beautiful El Segundo headquarters close to the Pacific Ocean.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service