X-Energy Jobs Hiring Now
X-Energy is hiring for 69 open roles on Migrate Mate as of October 15, 2026, concentrated in engineering (Non-Software) and business development, with listed salaries up to about $248,000. Migrate Mate updates X-Energy's live openings daily. X-Energy is a nuclear energy company developing advanced small modular reactors and nuclear fuel technology for commercial and government applications.
Find X-Energy JobsOverview
X-Energy hiring data on Migrate Mate, as of October 15, 2026.
- Open jobs
- 69
- Top team
- Engineering (Non-Software)
- Seniority
- Across all levels
- Work type
- 6% remote or hybrid
- Top location
- Rockville
- Salary range
- $68,000–$248,000
Listed salaries for X-Energy roles on Migrate Mate range from about $68,000 to $248,000 per year across 69 open roles, as of October 15, 2026. Some roles list hourly contract rates.
Open Roles at X-Energy
Showing 25 of 69+ X-Energy jobs



















































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
The Mechanical Construction Field Engineer is responsible for planning, coordinating, and monitoring mechanical construction activities to ensure work is executed safely, in compliance with nuclear quality and regulatory requirements, and in alignment with the project schedule and budgets.This role will serve as a key interface between design engineering, construction management, superintendents, foremen, and contractors, interpreting technical documents, developing and maintaining work packages and installation plans, and resolving constructability and design issues in the field. The role ensures accurate quantity tracking, document control, inspection and test plan implementation, and system / area turnovers so that completed work is fully documented, meets all project quality requirements, and is ready for successful commissioning.
Job Profile Tasks/Responsibilities
- Reviews contractor projections and schedules for workforce, material, and equipment requirements.
- Coordinates the construction operations impact on external interfaces to ensure they coincide with the overall established schedules.
- Enforces policies, procedures and related work rules as established by field construction management.
- Supports Construction Mechanical Field Engineers, Foremen, and Craft Professionals, in interpreting Engineering design documents, vendor documents, and other technical documents.
- Maintain project document control and ensure all work activities are executed using the latest versions of relevant documents.
- Work with the discipline superintendents to ensure detailed, integrated installation plans for complex, cross discipline installations are completed and followed.
- Work with Area superintendent to ensure that quantities are reported, verified and submitted for all commodities each week.
- Provide oversight with the development and implementation of Inspection and Test Plans (ITP’s).
- Work with quality control and inspection oversight personnel ensuring proper inspections are completed and associated documentation is generated.
- Ensure that all project quality requirements are understood and adhered to by all contractors.
- Liaise with the project engineers and the design engineering group and provide support to resolve design and constructability issues.
- Work with supervision to perform front-end work package scoping reviews and approvals.
- Work with project controls group to review and validate change request and work estimates.
- Ensure development and accuracy of construction progress reports and quantity forecasts by contractors.
- Review and oversee that contractors complete required material requisitions to ensure that material deliveries support scheduled activities and complete material receipt inspections.
- Assist in the preparation and updating of construction schedules.
- Ensure contractors thoroughly prepare the applicable as-built documents and inspections required by the contract.
- Oversee the contractors performing system / area turnovers.
- Maintain professional demeanor and behavior at all times in all forms of communication. Perform other duties as assigned by leadership.
Job Profile Minimum Qualifications:
- Bachelor's degree (or international equivalent) in Mechanical Engineering preferred; extensive verifiable experience in lieu of degree accepted.
- The skills required for this role are typically demonstrated by 20 plus years of relevant experience.
- Experience with the construction of nuclear facilities.
- Technical knowledge of all phases of construction engineering relating to a single discipline interfacing with all areas, or in a multi-discipline position assigned to a single area.
- Knowledge of construction activities relating to engineering disciplines, cost and scheduling, and contract administration.
- Valid driver’s license with an acceptable driving record.
- Knowledge of construction inspection principles and practices.
- Experience reading and interpreting all construction documents, including plans, specifications, and shop drawings.
- Ability to meet physical demands:
- When working on an active construction site, may work in rough or uneven terrain.
- Frequent walking, standing, and sitting.
- Occasional climbing, bending, & crouching.
- Occasional lifting up to ~25 pounds.
- Occasional lifting up to ~25 pounds.
Location: 151 Lafayette Drive, Oak Ridge, TN 37830
Work Site Expectations: 5 days a week in office
Travel Expectations: up to 10% as needed
Hours: Standard office schedule are 8:00am-5:00pm ET, Mon-Fri
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 V: $185,000- $207,500/ Level VI: $212,500 $236,250Position Job Classification
Full time - ExemptBenefits
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/Professional Development 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
Job Roles at X-Energy
Working at X-Energy
X-Energy's 69 open roles are across all levels, and about 6% are remote or hybrid. The most active teams are engineering (Non-Software), business development, and electrical engineering. X-Energy designs and develops advanced small modular reactors and high-assay low-enriched uranium fuel, working across engineering, construction, plant operations, cybersecurity, and corporate functions. The company operates in a highly regulated environment and hires specialists in nuclear, civil, mechanical, and systems engineering alongside project management and IT professionals. Most X-Energy roles are based in Rockville, with some in Oak Ridge and Houston.
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Browse jobs by roleX-Energy Jobs: Frequently Asked Questions
How many jobs is X-Energy hiring for right now?
X-Energy is hiring for 69 open roles on Migrate Mate as of October 15, 2026, updated daily, concentrated in engineering (Non-Software) and business development. Open positions span engineering, project management, plant operations, and corporate functions across the nuclear energy sector.
What kinds of roles does X-Energy hire for?
The most active teams are engineering (Non-Software), business development, and electrical engineering. X-Energy's open positions include nuclear and civil engineers, construction project engineers, cybersecurity specialists, IT project managers, plant operations managers, and HR and talent development professionals. Roles cover both technical design work and operational leadership, and most postings are across all levels.
Are X-Energy jobs remote or in-person?
Mostly on-site. About 6% of X-Energy's open roles on Migrate Mate are remote or hybrid as of October 15, 2026, with the rest based in Rockville. Each X-Energy listing shows its work location so you can filter before applying.
How do I apply to a job at X-Energy?
Find an X-Energy role on Migrate Mate, then follow the listing directly to X-Energy's own careers page to submit your application. X-Energy manages its own hiring process, including screening, interviews, and offers, independently of Migrate Mate.
What do X-Energy jobs pay?
Listed salaries for X-Energy roles on Migrate Mate range from about $68,000 to $248,000 per year as of October 15, 2026, with most postings at across all levels. Some roles list hourly contract rates. Exact pay is set by X-Energy and shown on each listing.
Does X-Energy hire entry-level?
Most of X-Energy's open roles on Migrate Mate are across all levels as of October 15, 2026. Check individual X-Energy listings for stated experience requirements.
Where is X-Energy hiring?
Most X-Energy roles are based in Rockville, with some in Oak Ridge and Houston, and about 6% offer remote or hybrid work as of October 15, 2026. Migrate Mate shows the location on each listing.