Systems Administration Lead & Helpdesk Supervisor (TS/SCI)

Peraton; United States; On-site; USD 112,000 - 179,000; Full time

Job summary

Peraton is seeking a Systems Administration Supervisor to oversee the availability, security, and performance of mission-critical systems, while managing daily operations, staff development, and cross-team coordination. This role also serves as Helpdesk Lead, supporting a program providing data center/HPC infrastructure in support of AI processing.

Responsibilities include mentoring a team, coordinating upgrades and incident response, enforcing SOPs, documenting configurations, and supporting

Qualifications

• Active TS/SCI clearance with polygraph
• 6+ years of experience (lead experience allowed)
• Experience with AD and server management
• Experience with monitoring and management tools
• Knowledge of backup systems, networking, and ITSM concepts (incident/event management)
• Ability to write technical documentation
• Leadership to coordinate and mentor a team
• Certifications such as Security+, CISSP (DoD 8570/8140) preferred
• Strong Windows/Linux server administration, virtualization, and networking
• Experience with classified or restricted-access systems
• Excellent leadership, communication, and organizational skills

Responsibilities

• Supervise and mentor a team of systems administrators
• Oversee installation, configuration, maintenance, and troubleshooting
• Ensure compliance with security policies (RMF, NIST 800-53)
• Coordinate with cybersecurity, engineering, and program management
• Develop and enforce SOPs for systems administration
• Monitor system performance and capacity
• Manage scheduling, staffing, and resources
• Prepare and maintain system documentation
• Support audits, inspections, and compliance reviews
• Serve as escalation point for complex issues

Skills

Active Directory

Server management

Monitoring tools

IT service management

Incident and event management

Documentation

Leadership

Communication

Team mentoring

Windows admin

Linux admin

Tools

Monitoring tools

Job description

Peraton is seeking a Systems Administration Supervisor to oversee the availability, security, and performance of mission-critical systems, while managing daily operations, staff development, and cross-team coordination. This role also serves as Helpdesk Lead, supporting a program providing data center/HPC infrastructure in support of AI processing.

Responsibilities include mentoring a team, coordinating upgrades and incident response, enforcing SOPs, documenting configurations, and supporting