Senior Application Administrator — Team Lead & Compliance

X-Energy, LLC; Oak Ridge (TN); On-site; USD 146,000 - 187,000; Full time

Job summary

X Energy, LLC in Oak Ridge, Tennessee is seeking an experienced leader to manage and develop the application administration team across the business and plant portfolio.

You will own account provisioning, access controls, and lifecycle support for enterprise applications, drive change control, coordinate with Cyber Security and ERP/MES teams, and support internal audits and NRC readiness while maintaining clear documentation and vendor relationships.

Qualifications

• Bachelor's degree in Information Technology, Information Systems, or related field, or equivalent experience.
• Typically 10 years of relevant experience, with 5+ years in application or system administration and 2+ years leading a technical team.
• Experience administering enterprise business applications, including account management, configuration, and lifecycle support.
• Experience with user access administration, role management, and segregation of duties.
• Experience working under formal change control and computer system validation.
• Ability to obtain and maintain unescorted site access.
• Experience in manufacturing or regulated industrial environments preferred.
• Experience with identity and access management across an enterprise application portfolio preferred.

Responsibilities

• Lead, develop, and manage the team of application administrators.
• Set priorities, assign work, and balance workload across the application portfolio.
• Establish standards, procedures, and performance expectations for application administration.
• Support hiring, onboarding, training, and career development of the team.
• Own account management, provisioning, and access administration across the business and plant application portfolio.
• Direct application configuration and functional maintenance across the portfolio.
• Provide lifecycle support for applications, including application updates and version upgrades coordinated with Cloud Infrastructure Systems.
• Coordinate with Cyber Security and identity management on provisioning and access controls.
• Execute application changes under formal change control.
• Support internal audits, NRC inspection readiness, and periodic access reviews.
• Maintain audit trail and records configuration to regulatory expectation.
• Service Delivery and Coordination — ensure reliable administration and support for business and plant applications.
• Coordinate with IT Support on escalation of application issues from end users.
• Manage vendor support relationships for administered applications.
• Maintain professional demeanor and behavior at all times in all forms of communication.

Skills

Team leadership

Application administration

Access management

Change control

Cyber security coordination

Vendor management

Communication with IT teams

Education

Bachelor's degree in Information Technology

Job description

X Energy, LLC in Oak Ridge, Tennessee is seeking an experienced leader to manage and develop the application administration team across the business and plant portfolio.

You will own account provisioning, access controls, and lifecycle support for enterprise applications, drive change control, coordinate with Cyber Security and ERP/MES teams, and support internal audits and NRC readiness while maintaining clear documentation and vendor relationships.