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Salary
$202k – $227k per year
Location
In office (Lafayette)
Seniority
Senior · 2+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 29, 2026. First seen by Alion on Aug 20, 2026.

Overview
Company
Impact
Profile match
X-energy is an advanced nuclear reactor and fuel company headquartered in Rockville, Maryland, developing the Xe-100 high-temperature gas-cooled small modular reactor and the TRISO-X fuel that powers it. Founded in 2009, it has further offices and sites in Frederick, Maryland and Oak Ridge, Tennessee, where its fuel fabrication facility is being built, and works with utility and industrial partners on first deployments of its reactors in the United States. It recruits mechanical, electrical, fuel and thermal hydraulics engineers, project controls and supply chain specialists, procurement and purchasing staff, construction field engineers and corporate functions such as HR and recruiting.

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

Triso-X is looking for a forward-thinking Senior Engineering Manager, with a background in delivering large scale EPC projects in the nuclear, utility or heavy manufacturing. Lead and manage the engineering team in the planning, execution and the delivery while ensuring high standards of quality, efficiency and alignment with organizational objectives.

This position will focus on large scale projects supporting our fuel fabrication plant in Oak Ridge, TN. The Senior Engineering Manager will have the approval authority to oversee project leads and handle reporting from various teams to create strategies that will lead to project success.

The Senior Engineering Manager will interact with engineering firms, supplier technical reps, contracts, procurement, etc. Candidates should be able to communicate with individuals at all levels of the organization and have the skillset to translate each objective.

Job Profile Tasks/Responsibilities:

  • Manage the execution of the engineering design, analysis, or evaluation of assigned projects using sound engineering principles and adhering to business standards, practices, procedures, and product / program / project requirements.
  • Manages the utilization of engineering resources across multiple projects and ensures qualified engineers are performing assigned work.
  • Manage design cycle sprints and provide direction to ensure the convergence of efforts of engineering team members, partners, and suppliers to ensure the successful delivery of high-quality engineering work products that are on schedule and within budget as defined by the Project leadership.
  • Manages (functional area) engineering staff by ensuring staff are meeting expectations and promoting staff professional development.
  • Influences the development of strategy, methodology, and technical tools for the area of responsibility, including control of resources and policy formulation.
  • Interprets internal and external business challenges and recommends best practices to improve products, processes, tools, or services.
  • Uses high level of judgement to make decisions and handle complex tasks or problems in areas of operations, product management, technology, or engineering.
  • Assesses quality of information given and asks pertinent questions to stakeholders.
  • Offers new solutions to problems outside of set parameters and can construct and provide recommendations.
  • Work within a multidisciplinary engineering team to create the next generation nuclear reactor and/or nuclear fuel related technologies.
  • Perform work in accordance with design control procedures, ensuring thorough documentation of work, facilitation of internal and external design reviews, and control of product design configuration data.
  • 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 related discipline from an accredited university or college.
  • Typically, twelve plus years of professional experience in project engineering after completion of undergraduate study. Graduate degrees typically count as two plus years of experience.
  • Experience estimating time and resources needed to execute engineering activities.
  • Requires specialized knowledge within the function of project engineering management.

Location: 151 Lafayette Drive, Suite 300, Oak Ridge, TN

Work Site Expectations: 5 days in office

Travel: 10% potential

Hours: 8:00am-5:00pm, 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:

$201,500 - $226,500

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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