Radiant Jobs - Page 4

Open positions at Radiant, newest first. Each listing links to the company's own application page.

Open positions
95

Newest Radiant openings

  • El Segundo, CA (On-site) · 30 days ago

    Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe…

    • Full-time
    • Lead / Staff
    • 6+ years
    • reactor systems integration
    • nuclear I&C systems
    • operating procedure development
  • El Segundo, DC (On-site) · 30 days ago

    Radiant is seeking a Permitting Manager to own the final, on-the-ground step for operating an advanced microreactor: securing the state and local permits required to deploy Kaleidos at…

    • Full-time
    • Lead / Staff
    • 5+ years
    • state and local permitting
    • zoning and siting
    • environmental review
  • D.C., WA (On-site) · 30 days ago

    Radiant is seeking a Senior Manager Government Affairs, to lead the company’s engagement with Congress and help shape the policy, authorization, and appropriations environment required to…

    • Full-time
    • Director
    • 7+ years
    • congressional policy
    • appropriations process
    • government affairs
  • El Segundo, CA (On-site) · 30 days ago

    Radiant is seeking a proactive and technically-minded Strategic Sourcing Manager to lead the discovery, qualification, and development of new suppliers and manufacturing technologies in…

    • Full-time
    • Mid-level
    • 3+ years
    • supplier qualification
    • engineering drawing interpretation
    • ERP/MRP systems
  • El Segundo, CA (On-site) · 30 days ago

    Radiant is seeking a Principal Embedded Software Engineer to set the technical direction for embedded software across instrumentation and control (I&C) systems.

    • Full-time
    • Executive
    • 8+ years
    • embedded C/C++
    • RTOS (Zephyr, NuttX, ThreadX)
    • system architecture
  • El Segundo, CA (On-site) · 30 days ago

    We are looking for a Quality Operations Specialist to help run, sustain, and continuously improve Radiant’s Quality program as we scale.

    • Full-time
    • Mid-level
    • 2+ years
    • quality management systems
    • document control
    • process documentation
  • El Segundo, CA (On-site) · 30 days ago

    Radiant is seeking a highly motivated Senior Structures Engineer to design and develop critical concrete and precast structural systems supporting Radiant's manufacturing and deployment…

    • Full-time
    • Senior
    • 5+ years
    • reinforced concrete design
    • ACI 318
    • finite element analysis
  • El Segundo, CA (On-site) · 30 days ago

    Radiant is seeking a Stress Engineer to own and execute structural loads, vibration, and dynamic analyses for complex mechanical systems associated for Kaleidos, the world's first portable…

    • Full-time
    • Senior
    • 4+ years
    • finite element analysis
    • ANSYS
    • Abaqus
  • El Segundo, CA (On-site) · 30 days ago

    Radiant is seeking a Principal Nuclear Engineer to lead the interdisciplinary nuclear engineering work supporting Kaleidos.

    • Full-time
    • Director
    • 12+ years
    • MCNP
    • neutron transport
    • criticality analysis
  • El Segundo, CA (On-site) · 30 days ago

    Radiant is seeking a highly motivated Senior Mechanical Engineer, Turbomachinery (Rotordynamics) to join the team responsible for the power generation and primary cooling turbomachinery of…

    • Full-time
    • Senior
    • 5+ years
    • rotordynamic analysis
    • XLrotor
    • Dyrobes
  • Associate Buyer

    Direct ATS

    El Segundo, CA · 30 days ago

    Radiant is looking for an Associate Buyer to join the supply chain team supporting sourcing and acquisition of components, materials, and services for our micro-reactor systems.

  • El Segundo, CA (On-site) · 30 days ago

    Radiant is seeking a Senior Manufacturing Engineer to help transition Kaleidos from a first-of-a-kind reactor build into a repeatable, scalable production system.

    • Full-time
    • Senior
    • 5+ years
    • DFM/DFA
    • GD&T
    • root-cause analysis
  • El Segundo, CA (On-site) · 30 days ago

    Radiant is seeking a highly motivated Nuclear Engineer to own sensor and instrumentation solutions for our Kaleidos microreactor.

    • Full-time
    • Mid-level
    • 1+ years
    • radiation transport codes (MCNP/OpenMC/Serpent)
    • radiation detection instrumentation
    • Python or C++
  • El Segundo, CA (On-site) · 30 days ago

    We're looking for a Media Relations Director to own Radiant's external media presence-from podcast bookings and journalist relationships to investor amplification and executive…

    • Full-time
    • Director
    • 8+ years
    • media relations
    • podcast bookings
    • executive spokesperson preparation
  • El Segundo, CA (On-site) · 30 days ago

    Radiant is seeking a proactive Senior Material Planner to own material planning across the full lifecycle of our micro nuclear reactors.

    • Full-time
    • Director
    • 3+ years
    • Materials Resource Planning (MRP)
    • Enterprise Resource Planning (ERP)
    • bill of materials management
  • El Segundo, CA (On-site) · 30 days ago

    Radiant is seeking a driven Senior Nuclear Engineer to join our team!

    • Full-time
    • Senior
    • 4+ years
    • OpenMC
    • MCNP
    • Serpent
  • El Segundo, CA (On-site) · 30 days ago

    Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe…

    • Full-time
    • Senior
    • 5+ years
    • fluids and thermodynamics
    • test procedure development
    • instrumentation (pressure transducers, thermocouples, RTDs, accelerometers)
  • El Segundo, CA · 30 days ago

    Radiant is seeking a Simulation Engineer to design tests, collect data, and validate our in-house reactor simulation capability.

  • El Segundo, CA (On-site) · 30 days ago

    Radiant is seeking a highly motivated Senior Civil Engineer to design and develop critical concrete and precast structural systems supporting Radiant's manufacturing and deployment sites.

    • Full-time
    • Senior
    • 5+ years
    • reinforced concrete design
    • finite element analysis
    • structural analysis
  • El Segundo, CA (On-site) · 30 days ago

    Radiant is scaling fast - expanding factory operations, standing up multi-entity structures, and taking on both government and commercial deployments.

    • Full-time
    • Lead / Staff
    • 8+ years
    • enterprise risk management
    • insurance program procurement
    • GAAP accounting

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