Senior Systems Administrator TS/SCI – Federal IT Lead

Peraton; Maryland; On-site; USD 135,000 - 216,000; Full time

Job summary

Peraton in Annapolis Junction, MD is seeking an experienced Lead Systems Administrator to provide system engineering, application and hardware support for a federal customer on-site five days a week.

The role requires an active TS/SCI with polygraph, extensive Windows administration, and virtualization experience (Hyper‑V/VMware) to maintain secure, highly available mission-critical systems and support reporting and data services.

Qualifications

• US Citizenship required and active TS/SCI with polygraph ability.
• Proven experience with Windows operating systems, configuration, and admin tools.
• Strong customer support and troubleshooting skills with clear communication.
• Ability to troubleshoot system integrations across multiple components.
• Experience monitoring system health, performance, and logs.

Responsibilities

• Provide systems administration, engineering, application, and hardware support for federal systems.
• Monitor software/hardware to maintain health, performance, throughput, and availability.
• Troubleshoot complex integration issues, restore system functionality and data integrity.
• Administer Windows servers/workstations, including services and security configurations.
• Support virtualization of servers onto Hyper‑V, with HA, backup, and recovery.
• Perform system upgrades, patching, and ongoing maintenance.
• Monitor SQL Server databases and Gordano email services; resolve issues.

Skills

Windows administration

System monitoring

Troubleshooting

Customer support

Network administration

Remote Desktop

Security configuration

System integration

Diagnosis and repair

Education

Bachelor’s degree

Master’s degree

PhD

Associate’s degree

High School diploma/equivalent

Tools

Cisco switches

Firewalls

RAID

VMware

Hyper‑V

AWS

Microsoft Azure

Job description

Peraton in Annapolis Junction, MD is seeking an experienced Lead Systems Administrator to provide system engineering, application and hardware support for a federal customer on-site five days a week.

The role requires an active TS/SCI with polygraph, extensive Windows administration, and virtualization experience (Hyper‑V/VMware) to maintain secure, highly available mission-critical systems and support reporting and data services.