Job Description
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,
. 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
.
Job Description
This role is responsible for supporting professional employees working in an organizational function related to the Intern's area of study. Depending on the internship assignment, the intern may work alongside engineers, scientists, or industry professionals to contribute to various projects related to their area of study. Under guided supervision, interns will assist with various projects and tasks, contributing to the organization's goals while learning from experienced professionals in the field.
Please note: This is a pipeline requisition for anticipated Summer 2027 internship openings. We accept and review applications on a rolling basis, and we extend offers as individual positions are finalized and specific team hiring needs are confirmed. Submitting an application places you in consideration for upcoming opportunities as they open.
What You'll Do
Support active engineering projects and analyses within your area of study, contributing to work that advances real reactor design and licensing efforts.
Assist with the day-to-day technical and operational needs of your team.
Conduct research, gather technical data, and synthesize findings to inform ongoing design and analysis initiatives.
Help develop reports, technical documentation, and presentations that communicate results to internal stakeholders.
Organize and maintain project files, technical records, and documentation to support traceability and quality.
Participate actively in team meetings, design reviews, and brainstorming sessions — bringing ideas, asking questions, and offering perspective.
What You'll Bring
Current enrollment in — or recent completion of — a degree in nuclear engineering or a closely related field from an accredited institution.
Academic or hands-on knowledge in one or more of the following areas:
Reactor core design and analysis
Radiation shielding design and analysis
Nuclear fuel analysis and qualification
Criticality safety
Reactor multiphysics analysis, particularly transient analysis
Nuclear materials and chemistry
Nuclear analysis software development, verification, and validation
Other areas of nuclear engineering or nuclear physics relevant to the design and analysis of small modular reactors, microreactors, and nuclear facilities
Proficiency with the Microsoft Office Suite (Outlook, Word, Excel, PowerPoint).
Curiosity, initiative, and a collaborative mindset — you're eager to learn and ready to contribute.
Application Requirements
Along with your resume, please submit
at least one letter of recommendation
. Letters should come from a professor, academic advisor, employer, or professional mentor who can speak directly to your qualifications, work ethic, and potential.
Program Details
Location:
9801 Washingtonian Blvd, Gaithersburg, MD
Work Site Expectations:
Fully on-site, 5 days per week
Program Length:
10-week program (anticipated June–August 2027; exact dates to be confirmed)
Hours:
Standard office hours, 8:00 AM–5:00 PM 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.
A reasonable estimate for this position at the level of experience required is:
$25/hour for undergrad; $40/hour for graduate
Position Job Classification
Part time - Non-Exempt
Job Tags
Part time, Summer work, Internship, Summer internship, Work at office, Monday to Friday