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Salary
$89k – $148k per year
Location
In office (Rockville)
Seniority
Middle · 10+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 25, 2026. First seen by Alion on Aug 13, 2026.

Overview
Company
Impact
Profile match
X-energy is an advanced nuclear reactor & fuel company. We develop Generation IV high-temperature gas cooled nuclear reactors (SMR) & TRISO fuel to power them.

X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us.

Job Description

This role is responsible for supporting the development of reactor licensing efforts and associated engagements with the U.S. NRC. This role will support portions of licensing application development and interface between internal teams (licensing, engineering, program/project management, supply chain, and procurement) and the U.S. NRC. This includes relevant topic areas of nuclear safety, nuclear security, emergency planning, safeguards, and financial primarily applied to the X-energy reactor technology.

Job Profile Tasks/Responsibilities

  • Support portions of licensing activities (certifications, permits, approvals, and licenses associated with reactor technologies) and ensure milestones are met as agreed with the U.S. NRC.
  • Provide licensing support to engineers in developing technical requirements that will ensure compliance with NRC regulations and guidance.
  • Support scope development of the annual regulatory engagement plan, lead regulatory audits and responses to RAI’s (Requests for Additional Information).
  • Develop licensing content to support portions of Safety Analysis Reports and licensing applications.
  • Support planning and executing the X-energy licensing strategy.
  • Develop regulatory white papers, technical reports, and licensing topical reports.
  • Support development of licensing plans and associated budgets.
  • Actively support the X-energy safety culture and ensure integration of quality in licensing processes as informed by the X-energy Quality Assurance Program.
  • Maintain professional demeanor and behavior at all times in all forms of communication.
  • Perform other duties as assigned by manager.

Job Profile Minimum Qualifications

  • Bachelor’s degree in engineering or science (e.g. mechanical, nuclear, electrical, physics) or other related area.
  • Level II: Typically, two years of relevant licensing experience.
  • Level III: Typically, five years of relevant licensing experience.
  • Level IV: Typically, ten years of relevant licensing experience.
  • Level V: Typically, fifteen years of relevant licensing experience.
  • Level VI: Typically, twenty years of relevant licensing experience.
  • Experience in direct NRC interactions (written and/or verbal).
  • Understanding of the nuclear regulatory processes in the United States.
  • Experience in project management related to developing schedules and coordinating team activities to produce technical content for regulatory purposes.

Preferred Experience in the areas of:

  • Nuclear safety analyses and methods
  • NEI 18-04/LMP implementation
  • Probabilistic Risk Assessments

Location: 9801 Washingtonian Blvd, Gaithersburg, MD

Work Site Expectations: 4 days in office

Hours: Standard office hours are 8:00am - 5:00pm ET, Monday - Friday

Compensation

As required by Maryland and other applicable state law, X Energy, LLC (X-energy) lists the expected compensation range for a publicly advertised job opportunity based upon the job requirements (e.g. education/training, experience, skill sets, etc.). Individual candidates who meet the job requirements for the posted position will be offered a salary within this range based on their respective levels of education/training, experience, and other qualifications unique to them. Salary ranges may vary based on the specific office location and region referenced in the posting to take into consideration differences in cost of living and may not be reflective of all regions. Please note that compensation ranges listed for US job postings reflect base salary only and do not include benefits or other incentives.

Offers within the posted salary range are commensurate with the individual’s qualifications for the position, along with a view on internal equity, market data, and room for growth. The salary range for this position is:

Level II: $88,725-$147,875 / Level III: $103,575-$172,625 / Level IV: $125,400-$209,000 / Level V: $139,950-$233,250 / Level VI: $153,750-$256,250

Position Job Classification

Full time - Exempt

Benefits

X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer match, Medical/Dental /Vision Insurance, Life and Disability Insurance, Paid Time Off, and a Tuition Reimbursement/ProfessionalDevelopment policy that supports the continuing education of our employees.

An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

X Energy, LLC participates in E-Verify. Please visit the links below for more information about E-Verify and the protection of your Right to Work.

Right To Work Link: If you have the right to work, don't let anyone take it away (e-verify.gov)

E-Verify Participation Link: E-Verify Participation Poster English and Spanish

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