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Salary
$163k – $208k per year
Location
In office (Rockville)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 25, 2026. First seen by Alion on Sep 23, 2026.

Overview
Company
Impact
Profile match
X-energy is an advanced nuclear reactor & fuel company. We develop Generation IV high-temperature gas cooled nuclear reactors (SMR) & TRISO fuel to power them.

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

Our Engineering Integration Manager will lead and manage the integration of multidisciplinary engineering activities to deliver technically robust, compliant and optimized solutions for nuclear facility projects, ensuring alignment with organizational objectives, regulatory standards and stakeholder requirements across the project lifecycle. This role interfaces with various teams, including engineering, project controls, licensing, supply chain, quality, safety, manufacturing, testing, operations, and/or construction functions.

Work is at both strategic and tactical levels to understand customer/client needs, communicate project needs and responsibilities to both external subcontracted vendor organizations and/or internal matrixed teams, and ensure project execution is consistent with the program plan and requirements. This leadership role will integrate across teams designing, analyzing, and optimizing complex systems, structures, and components for next-generation advanced reactor plants.

Responsibilities:

  • Direct all phases of assigned engineering integration projects from concept through completion, managing diverse technical disciplines to achieve project goals.
  • Collaborate with project managers, technical experts and stakeholders to establish integration strategies, define scope and ensure technical deliverables meet safety, cost and schedule requirements.
  • Lead coordination efforts across process, safety, mechanical, electrical, I&C and civil engineering domains to ensure technical consistency and resolve integration challenges.
  • Approve technical documents, review designs and oversee progress to maintain quality and regulatory compliance within industry standards.
  • Facilitate multidisciplinary workshops to align engineering activities, identify project risks and rive resolutions for integration and operational issues.
  • Mentor engineers, contribute to talent development, and promote technical excellence and knowledge sharing within the team.
  • Support regulatory audits and ensure all engineering integration activities adhere to nuclear safety and compliance programs.
  • Drive continuous improvement by monitoring integrated system performance and implementing optimization initiatives.
  • Maintain professional demeanor and behavior at all times in all forms of communication.
  • Perform other duties as assigned by manager.

Qualifications:

  • Typically requires a bachelor's degree in engineering
  • Typically requires 10 years of experience in engineering roles relevant to nuclear facility projects, with 3-5 years integrative, multidisciplinary or management capacities.
  • Demonstrated experience managing complex technical projects in regulated environments such as nuclear power or DOE/NRC-regulated facilities.
  • Strong technical expertise in engineering principles, system integration and compliance with nuclear regulatory requirements and standards.
  • Well-developed leadership, interpersonal and communication skills necessary to coordinate teams and interact with diverse stakeholders.

Location: 9801 Washingtonian Blvd, Gaithersburg, MD

Work Site Expectations: 4 days in office

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:

$162.500 - $207,500

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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