Onsite Systems Administrator (TS/SCI) - Lorton Swing Shift

Zachary Piper, LLC; Lorton (VA); On-site; USD 100,000 - 120,000; Full time

Job summary

Zachary Piper Solutions in Lorton, VA seeks a Systems Administrator to support enterprise IT in a mission-critical federal environment. The role is fully onsite, requires an active TS/SCI clearance, and operates on a swing shift from 2:00 PM to 10:30 PM ET.

Responsibilities include administering servers and networks, managing Active Directory, applying patches, enforcing DoD STIGs, and ensuring secure, reliable operations across classified and unclassified systems.

Qualifications

• Active Directory administration, account provisioning, and access management.
• Experience with Windows Server and enterprise IT environments.
• Familiarity with DISA STIGs and DoD cybersecurity requirements.
• Active TS/SCI clearance and onsite support in Lorton, VA.
• Experience using ticketing systems such as ServiceNow or similar.

Responsibilities

• Administer, maintain, and troubleshoot servers, workstations, and networked systems.
• Manage user accounts, permissions, and access provisioning.
• Patch systems, apply software updates, and remediate vulnerabilities.
• Support DISA STIGs and DoD cybersecurity requirements.
• Troubleshoot hardware, software, network connectivity, and performance issues.
• Support Windows Server environments and routine maintenance.
• Monitor system health, investigate outages, and escalate complex issues.
• Assist with network administration, including VLANs and switch configurations.
• Manage IT tickets and service requests using the organization’s ticketing system.
• Maintain system documentation, asset inventories, and SOPs.
• Collaborate with cybersecurity and infrastructure teams to ensure secure operations.
• Support system upgrades and ongoing operational maintenance.

Skills

Active Directory

Windows Server

DoD STIG compliance

TS/SCI clearance

Ticketing systems (ServiceNow)

Job description

Zachary Piper Solutions in Lorton, VA seeks a Systems Administrator to support enterprise IT in a mission-critical federal environment. The role is fully onsite, requires an active TS/SCI clearance, and operates on a swing shift from 2:00 PM to 10:30 PM ET.

Responsibilities include administering servers and networks, managing Active Directory, applying patches, enforcing DoD STIGs, and ensuring secure, reliable operations across classified and unclassified systems.