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Radiant

Portable nuclear microreactors replacing diesel generators

Site Lead

Project ManagementConfirmed live in the last 24 hours
Full-timeEl Segundo, CA, USA

About the Job

Requirements

  • A bachelor's degree in engineering, construction management, or a related field, or equivalent experience.
  • At least 8 years of field, construction, or operations management experience.
  • Experience with logistics and heavy transport.
  • Knowledge of site safety and permitting requirements.
  • Experience coordinating with customers at their sites.
  • Ability to work extended hours and weekends as necessary.
  • Ability to travel up to 40% of total weeks in the year.
  • Must work onsite at El Segundo headquarters whenever not traveling.
  • Must be able to serve in compliance with U.S. export controls.

Responsibilities

  • Develop and own the site readiness plan and report its status to the required teams.
  • Gather site requirements and design interfaces from Engineering and confirm they are met onsite.
  • Coordinate site access and constraints with the customer.
  • Plan and coordinate transport, installation, and setup of the reactor system at the customer site.
  • Ensure site activities meet programmatic conditions set by applicable regulations.
  • Coordinate site timing with Production’s completion dates.
  • Provide site milestones to the scheduling team and flag schedule slips early.
  • Coordinate startup, commissioning, and customer acceptance.
  • Ensure site work meets safety and permitting requirements.
  • Produce the site readiness plan and provide ongoing regular status updates.
  • Provide site milestones for the integrated schedule.
  • Complete transport, installation, and startup at each customer site.
  • Coordinate startup and acceptance with the customer.
  • Document site-level risks and share them for the non-technical Risk Register.

Desired Qualifications

  • Experience managing a complex construction project from start to finish.
  • Experience working on Department of Defense installations.
  • Experience in nuclear or other regulated industries.

About the Company

Radiant

Portable nuclear microreactors replacing diesel generators

Radiant designs and manufactures portable, factory-built nuclear microreactors for off-grid power. Its Kaleidos unit is a 1 MWe high-temperature gas-cooled reactor that uses TRISO fuel and a helium coolant, packaged in a container-sized module that can be transported by truck, ship, or air for rapid deployment to remote sites. The reactor runs for up to five years between refueling as part of a 20-year lifecycle and operates without water cooling, enabling flexible siting. Radiant differentiates itself through factory production of certified HTGR-based microreactors with an ambitious R-50 factory to enable mass production and fast deployment for energy resilience, military, data centers, and critical infrastructure. The company aims to provide reliable, emissions-free power that replaces diesel and supports resilient energy infrastructure at remote or critical locations.

Company size
501-1,000
Company stage
Series D
Total funding
$622M
Headquarters
El Segundo, CA
Founded
2019

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