Civil Engineering Internship - Summer

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

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.

• 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.

• Current enrollment in — or recent completion of — a degree in civil/structural/architectural engineering or a closely related field from an accredited institution.
• Academic or hands-on knowledge in one or more of the following areas:
  • Design
    • Experience with site development, grading, roadway, survey, stormwater, hydrology or soil mechanics; or
    • Experience with design of steel structures, concrete structures, or composite structures; or
    • Experience with architectural design, such as claddings, insulation, automation, building components, or waterproofing; or
    • Experience with drafting, such as 2D/3D CAD modeling or Building Information Modeling (BIM)
  • Analysis
    • Experience with structural analysis using hand calculations and / or finite element analysis (FEA) software programs (e.g., ANSYS, LS-DYNA, ABAQUS, ADINA, Open Sees).
    • Proficiency with engineering hand calculations.
• 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.

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.

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

As required by Maryland and other applicable state law, X Energy, LLC (X-energy) lists the expected compensation range for a publicly advertised job…