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 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.
Job Profile Tasks/Responsibilities
Job Profile Minimum Qualifications
Possess educational 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, especially pertaining to 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.
In addition to a resume, candidates must submit at least one letter of recommendation as part of the application process. Letters should be from a professor, academic advisor, employer, or professional mentor who can speak to the candidate’s qualifications.
Location: 530 Gaither Road, Rockville, MD
Work Site Expectations: 5 days in office
Program Dates: Twelve (12) week program (May 18th to August 7th, 2026).
Hours: Standard office hours are 8:00am ET to 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.
A reasonable estimate for this position at the level of experience required is:
$25.00/hr for Undergraduate Students/ $40.00/hr for Graduate StudentsPosition Job Classification
Part time - Non-Exempt