External Job Posting Title Systems Administration Supervisor / Helpdesk Lead

Peraton; Chantilly (VA); On-site; USD 112,000 - 179,000; Full time

Job summary

Peraton seeks a Systems Administration Supervisor to oversee the availability, security, and performance of mission-critical systems in Chantilly, VA. You will lead daily operations, coordinate cross-team efforts, and serve as Helpdesk Lead for a data center/HPC program supporting AI processing.

Responsibilities include supervising staff, configuring and maintaining servers and networks, ensuring RMF/NIST compliance, documenting configurations, and preparing operational reports.

Qualifications

• Active TS/SCI clearance with the ability to obtain a polygraph.
• 6+ years of systems administration experience.
• Experience with AD server management and monitoring.
• Experience with monitoring and management tools.
• Knowledge ofBackup Systems, Networking principles, and equipment
• ITSM processes with emphasis on Incident and Event management.
• Experience writing technical documentation.
• Ability to coordinate and mentor staff.
• Relevant certifications (Security+, CISSP, or DoD 8570/8140).
• Strong Windows/Linux server admin, virtualization, and networking.
• Experience with classified/restricted-access systems.
• Excellent leadership and communication skills.

Responsibilities

• Supervise and mentor a team of systems administrators and guide daily tasks.
• Oversee installation, configuration, maintenance, and troubleshooting of servers and networks.
• Ensure RMF/NIST 800-53 security compliance and accreditation readiness.
• Coordinate with cybersecurity, engineering, and program management teams.
• Develop and enforce SOPs for systems administration activities.
• Monitor performance and capacity; recommend improvements.
• Manage scheduling and resource allocation for the team.
• Prepare documentation and operational reports.
• Support audits, inspections, and compliance reviews.
• Serve as escalation point for complex issues.

Skills

Leadership

Incident management

Windows/Linux admin

Networking

Documentation

Team mentoring

Communication

Education

DoD 8570/8140 compliance

Tools

Active Directory

Backup Systems

Monitoring tools

ITSM tools

Virtualization

Job description

Responsibilities

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.

What You’ll Do:

• Supervise and mentor a team of systems administrators, providing guidance on daily tasks, technical problem-solving, and professional development
• Oversee installation, configuration, maintenance, and troubleshooting of servers, networks, and infrastructure.
• Ensure compliance with applicable security policies, procedures, and accreditation requirements (e.g., RMF, NIST 800-53)
• Coordinate with cybersecurity, engineering, and program management teams to support system upgrades, patches, and incident response
• Develop and enforce standard operating procedures (SOPs) for systems administration activities
• Monitor system performance and capacity, recommending improvements as needed
• Manage scheduling, staffing, and resource allocation for the systems administration team
• Prepare and maintain documentation, including system configurations, network diagrams, and operational reports
• Support audits, inspections, and compliance reviews related to system security and operations
• Serve as a point of escalation for complex technical issues

Qualifications

Required Qualifications:

• Minimum of 6 years of experience (may have lead experience)
• Active TS/SCI clearance required with the ability to obtain a polygraph
• Experience and ability to triage incidents and events for effective resolution
• Experience with Active Directory account and server management and monitoring
• Experience with monitoring and management tools
• Knowledge of Backup Systems, Networking principles, and equipment
• Knowledge of IT Service Management Processes and concepts with special emphasis on Incident and Event management
• Experience writing technical documentation.
• Demonstrated ability to coordinate and manage work within a team, provide training and technical direction to team members, mentor newly assigned staff.
• Relevant certifications (e.g., Security+, CISSP, or equivalent DoD 8570/8140 compliance)
• Strong knowledge of Windows/Linux server administration, virtualization, and networking
• Experience supporting classified or restricted-access systems
• Excellent leadership, communication, and organizational skills

Preferred Qualifications:

• Prior supervisory or team lead experience
• Experience supporting AI/ML infrastructure or capability programs
• Familiarity with cloud environments (AWS GovCloud, Azure Government, etc.)
• ITIL or project management certification

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Target Salary Range

$112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.