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Salary
$214k – $243k per year
Location
In office (Rockville)
Seniority
Architect
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 28, 2026. First seen by Alion on Sep 17, 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

This role provides leadership and full authority and accountability for the strategic direction, technical integration, and organizational performance of the Plant Integration, Plant Support Systems, Physical Plant Integration, and Systems Engineering disciplines. The Director sets the vision, technical standards, and staffing strategy across these disciplines, ensuring that engineering systems, platforms, and applications are integrated to optimize plant-wide performance, streamline workflows, and maximize data flow and system efficiency across the organization. Initially, a main focus for this role will be to lead the establishment of ERP implementation readiness and architecture in partnership with senior leadership, enabling enterprise-wide integration capability.

Job Profile Tasks/Responsibilities:

  • Provide leadership and full accountability for the performance of the Plant Integration, Plant Support Systems, Physical Plant Integration, and Systems Engineering disciplines, ensuring alignment with enterprise objectives and organizational strategy.
  • Set the strategic direction for integrating new hardware and software systems across disciplines, establishing enterprise-wide standards for interoperability, architecture, and design.
  • Partner with executive leadership and cross-functional teams, including development, product, and operations, to define enterprise integration requirements and approve tailored, organization-wide solutions.
  • Direct the analysis of existing systems across all five disciplines and approve integration strategies, improvements, or replacements that support long-term plant and business objectives.
  • Establish governance for technical documentation standards across integration procedures, architectures, and configurations, ensuring consistency and audit readiness across disciplines.
  • Oversee the development of integration processes, including data flows, system automation, and interface troubleshooting, ensuring seamless operation across the Plant Integration, Plant Support Systems, Physical Plant Integration, and Systems Engineering functions.
  • Approve integration testing and validation strategies to ensure interoperability across connected systems and applications enterprise-wide.
  • Serve as the primary technical authority and executive point of contact for integration matters, representing the disciplines to senior leadership, regulators, and external partners as needed.
  • Direct the monitoring and optimization of system performance across integrated platforms, ensuring compliance with nuclear quality, security, and regulatory requirements, including NRC readiness.
  • Manage staffing, hiring, and resource planning across the Plant Integration, Plant Support Systems, Physical Plant Integration, and Systems Engineering teams, and mentor and develop discipline leads and senior engineering staff.
  • Set annual and long-term budgets for the disciplines in conjunction with other leadership team members, and develop cost containment and resource optimization strategies.
  • Represent the integration disciplines in project gating and phase-gate reviews, providing recommendations on technical readiness, risk, and required mitigations.
  • 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 in engineering, computer science, information technology, or a related technical field required; advanced degree (e.g., MS, MEng, MBA) preferred.
  • Typically, fifteen or more years of progressive experience in systems integration, plant engineering, or a related technical field, including significant experience leading, supervising, or mentoring engineering staff across multiple disciplines.
  • Demonstrated experience leading integration efforts across multiple engineering disciplines, such as plant integration, systems engineering, and plant support systems, in a highly regulated or complex technical environment.
  • Excellent communication skills necessary to translate complex technical integration strategy to executive leadership, regulators, and non-technical stakeholders.
  • Ability to work independently and set strategic direction for complex, cross-disciplinary programs with full authority and accountability, and to produce and approve detailed technical documentation.
  • Ability to meet export control requirements.

Location: 9801 Washingtonian Boulevard, Gaithersburg, Maryland

Work Site Expectations: 4 days in office

Travel Expectations: Up to 10%

Hours: Standard office hours are 8:00am - 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.

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:

$213,750-$242,500

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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