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Salary
≈ $111k – $201k per year (Estimated)
Location
Remote (United States)
Seniority
Principal · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Jul 14, 2026. Lightbridge Corporation scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Fuel is the Secret of Nuclear Energy™. Lightbridge (NASDAQ: LTBR) is an advanced nuclear fuel technology company based in Reston, Virginia, USA.

At Lightbridge, we’re pioneering advanced nuclear fuel technology that’s designed to make reactors safer, more efficient, and more responsive to global energy needs. Our mission is bold and we’re looking for equally bold thinkers to help us bring it to life. If you thrive at the intersection of engineering and regulatory strategy, this is your opportunity to help shape the future of clean energy.

Overview:

This is a full-time remote role for a Principal Licensing Engineer. The Principal Licensing Engineer will perform engineering regulatory analysis, conduct licensing engagements, and develop regulatory submittals for Lightbridge Fuel for various types of water-cooled reactors, in support of qualifying and commercializing Lightbridge Fuel.

Responsibilities:

  • Developing and leading topic specific regulatory engagements and/or submittals.
  • Developing regulatory analysis and managing regulatory requirements for specific topics.
  • Reviewing technical information provided in submittals to ensure alignment between Lightbridge’s regulatory request and the technical bases provided.
  • Communicating licensing approach, and regulatory requirements to technical and stakeholder organizations.
  • Preparing technical and licensing teams for and leading receipt of topic specific regulatory audits.
  • Drafting or supporting the drafting of and coordinating technical & licensing teams’ formal responses to regulatory requests for additional information.
  • Manage schedules and resources for assigned scopes of work.

Minimum Qualifications:

  • BS Degree in Nuclear Engineering or closely related field + 5 years relevant experience, or MS Degree in Nuclear Engineering or closely related field + 4 years relevant experience, or PhD in Nuclear Engineering or closely related field + 3 years relevant experience. For exceptional candidates, relevant work experience may substitute for years of experience.
  • Experience interacting with at least one of the following governmental agencies in a licensing or regulatory affairs capacity: U.S. NRC, CNSC, ONR, ASNR, FANR, DOE, NNSA, NR, and state-level nuclear regulator. Experience working with 2 or more of these organizations is advantageous.
  • Working experience at operating reactors and/or fuel production facilities.
  • Working experience with nuclear fuel designs and associated regulatory submittals.
  • General understanding of reactor physics, thermal hydraulics, safety analysis, special materials transportation licensing, fuel cycle facility licensing, or nuclear fuel design. Experience in area of metallic fuels, especially U-Zr, is advantageous.
  • Familiarity with ASME Nuclear Quality Assurance (NQA-1) requirements.
  • Experience working closely with industry, national laboratories, and nuclear regulators is advantageous.
  • Demonstrated ability to work in a team environment.
  • Strong analytical and problem-salving skills.
  • Excellent oral and written communication skills.
  • Ability to access US National Labs and other relevant facilities where Lightbridge projects are conducted.
  • Ability to pass background check and pre-employment drug screening.

 

Lightbridge is committed to supporting the people who power our mission. We offer a comprehensive, competitive benefits program designed to promote well-being, flexibility, and long-term growth, including:

  •     Competitive salary and performance bonuses, including cash and equity awards
  •     Remote-first work culture with opportunities for travel
  •     100% company-paid health, dental, and vision coverage
  •     401(k) with 100% company match
  •     Generous time off and family care benefits
  •     Up to 32 hours per year of company-covered professional development course fees

If you’re excited about contributing to work that will help shape the future of clean energy, we encourage you to apply. We look forward to learning more about you and the impact you can make at Lightbridge.

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