Demo

Facilities Director

radiant
El Segundo, CA Full Time
POSTED ON 12/21/2025
AVAILABLE BEFORE 4/30/2026

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 failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028.

Facilities Director

Radiant is seeking an experienced Facilities Director to support the company’s continued expansion during this rapid phase of growth. As the Facilities Director, you will own capital projects; the development, renovation, and maintenance of company facilities; inventory operations; and health and safety. You will work directly with the engineering and operations teams to ensure we are effectively positioned to begin delivering reactors to customers.

Responsibilities and Duties:

  • Lead construction projects in support of the company mission.
  • Drive development and adherence to Radiant’s Environmental, Health, and Safety programs.
  • Develop a preventative maintenance program for facilities and equipment, such as HVAC, electrical, plumbing, mechanical, and life safety.
  • Maintain high standards for cleanliness and housekeeping.
  • Oversee on-site contractors to ensure work is meeting standards, delivered on time, and on budget.
  • Lead space planning for all office, manufacturing, and inventory locations.
  • Continuous improvement of infrastructure and operations.
  • On-call support for any facility related issues or emergencies.
  • Mentorship and management of a cross-functional facilities and operations team.

Required Skills and Qualifications:

  • Minimum 5 years in a related role.
  • Experience working within quality programs and developing standard operating procedures.
  • Prior ownership of budgets in excess of $1M.
  • Bachelor’s degree in engineering, business, or a related field.

Desired Skills and Qualifications:

  • Prior experience in the nuclear or aerospace industries.
  • Expertise in warehouse operational management, including labor planning, infrastructure, and software.
  • Experience navigating complex regulatory environments.
  • Familiarity with OSHA regulations and previous ownership of Environmental, Health, and Safety programs.
  • "No task too small” attitude. You enjoy working on the most urgent problem, whatever it may be.

Additional Requirements:

  • Must be able to lift up to 50 lbs unassisted.
  • Lifting, standing, climbing, bending, grasping, sitting, pulling, pushing, stooping, stretching, and carrying are generally required to perform the functions of this position.
  • Must be willing to work in an open-air environment, lacking temperature controls.
  • Must be willing to work extended hours and weekends as necessary to achieve company goals.
  • Must work 100% onsite at El Segundo HQ.

Total Compensation and Benefits

Radiant's new hire compensation package includes base salary, substantial equity grants, and comprehensive benefits. Total compensation and level are determined through a holistic evaluation of your interview performance, experience, education, and qualifications. 

Benefits and Perks for Eligible Employees:

  • Stock: Substantial incentive stock plan for all full-time employees.
  • Medical: 100% premium coverage for base Silver level plan for employee 50% premium coverage for dependents. Platinum plans available.
  • One Medical: Sponsored memberships for eligible employees and their dependents.
  • Vision: 100% premium coverage for top tier plan 50% for dependents.
  • Dental: 100% premium coverage for top tier plan (including orthodontia) 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.

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.

Unfortunately, we are unable to provide visa sponsorship at this time.

This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.

Salary : $1,000,000

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