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Salary
$140k – $160k per year
Location
Hybrid (Rockville, United States)
Seniority
Senior · 4+ years exp
Visa
H-1B filings in 12 months: 3
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Oct 20, 2026. X-energy scores A on the Alion truth index.

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.
Backed by G Squared

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 is responsible the network and on-premises virtual infrastructure development, security, and operations (DevSecOps) focused team to create, deploy, integrate, and maintain hybrid/edge multi-tenant infrastructure designs for secured, scalable and resilient application environments.

Job Profile Tasks/Responsibilities:

Essential duties/responsibilities primary to the role, in order of time spent (from highest to lowest). These are tasks that contribute to the accomplishment of the job purpose. Answers the questions: “what, who, why and how”. These are common for all position levels in this role.

  • Integrate network/computer/storage management system for Cloud Service Providers and on-premises Infrastructure-as-a-Service (IaaS) solutions into full-lifecycle operational service delivery and project management platforms.
  • Design and deploy hardened and compliant office and enterprise Network Infrastructure supporting multi-tenant, virtualized and/or High-Performance Computing production environments either within on-premises IaaS, cloud service provider infrastructure and service platforms, or hybrid combination of both, for best performance and secure processing requirements.
  • Develop and maintain security, availability, performance, and scalability, continuous improvement, and monitoring for highly available and redundant network and virtual infrastructure.
  • Full life-cycle development, test, and production management for business-critical applications and end-user productivity software, tailored for manufacturing and engineering, modeling, and data analytic needs.
  • Research vendor network and virtualization deployment guides and instructions for new products to develop secure, resilient, and scalable network infrastructure enabling enterprise applications and platforms integration into core service management systems.
  • Redesign recommendations for existing network and virtualization infrastructure to achieve improved security, and enterprise scalability and resiliency requirements for various production, test, and development environments.
  • Take ownership of project requirement development, deployment, and operational release management.
  • Maintain professional demeanor and behavior at all times in all forms of communication.
  • Perform other duties as assigned by manager.

Job Profile Minimum Qualifications:

These minimum qualifications are required and must be met by everyone in this position level of the role. Preferred qualifications are not listed.

  • Bachelor’s degree in computer science or computer information management, or High School Diploma with a minimum four year work experience in Information Technology field.
  • Demonstrated experience with enterprise network and virtual infrastructure engineering and management experience of multi-site, hybrid on-premises and Cloud Service Provider compute and storage environments.
  • Demonstrate strong experience with building configurations, deployment, troubleshooting and secure management of enterprise grade Routers, Firewalls, Switches, Virtual Private Network (VPN), Wireless Access Point (WAP), Site-to-Site IPSec Tunnels, Cloud Service Provider (CSP) network security and IP address management, as well as Software-Defined (SD) Wide-Area Networking (WAN) from Cloud Service Provider offerings and capabilities.
  • Demonstrate experience with configuration, deployment, troubleshooting and secure management of on-premises virtual hypervisors and platform infrastructure to include compute and storage offerings and capabilities to enable scale, high availability and recovery.
  • Experience supporting and/or integrating network and virtual infrastructure systems into automated service delivery management systems.
  • Must have experience in in building office and enterprise-grade network systems supporting for on-premises IaaS, HPC and Cloud Service Provider environments to support secure and scalable production software platforms.
  • Familiarization with development and continued compliance management of network systems aligned to NIST 800-171 and 800-53 control families, or Center for Internet Security (CIS) benchmark configurations.
  • Knowledge of network engineering solutions leveraging and/or integrating next-generation network Infrastructure/Platform/Software as-a-Service capabilities offered by cloud service providers.
  • Expertise in enterprise scaling technologies and solutions.

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:

$139,500- $159,750

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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