Senior Systems Administrator — TS/SCI, Onsite (Windows/Hyper‑V)

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

Job summary

Peraton is seeking an experienced Senior Systems Administrator for an on-site role in Annapolis Junction, MD. The candidate will provide system engineering, application, and hardware support for mission-critical federal systems and must hold an active TS/SCI clearance with polygraph ability.

The role involves Windows server administration, virtualization support on Hyper‑V, and proactive monitoring to ensure security, performance, and data integrity for critical workloads.

Qualifications

• US Citizenship required and active TS/SCI clearance.
• Experience in Windows system administration and security.
• Strong customer support and troubleshooting skills.

Responsibilities

• Provide systems administration, engineering, and hardware support for federal systems.
• Proactively monitor platforms to maintain health and availability.
• Troubleshoot complex integration and data flow issues.
• Administer Windows servers, workstations, and drivers.
• Support virtualization of IAFIS servers on Hyper-V.
• Perform advanced Windows admin tasks and security configurations.
• Manage network connectivity, domains, and remote access.
• Perform system upgrades and patching for servers/desktops.
• Monitor SQL Server databases and Gordano email services.
• Respond to customer support requests and document resolutions.
• Support ad hoc reporting and technical research for the customer.
• Collaborate to maintain secure, reliable systems for federal missions.

Skills

Windows Server administration

System monitoring

Troubleshooting

Network administration

Remote Desktop

Security policies

Education

Bachelor's degree

Master's degree

Associates degree

High School diploma/equivalent

Tools

Microsoft Hyper-V

VMware

SQL Server

Job description

Peraton is seeking an experienced Senior Systems Administrator for an on-site role in Annapolis Junction, MD. The candidate will provide system engineering, application, and hardware support for mission-critical federal systems and must hold an active TS/SCI clearance with polygraph ability.

The role involves Windows server administration, virtualization support on Hyper‑V, and proactive monitoring to ensure security, performance, and data integrity for critical workloads.