TS/SCI Systems Admin with Poly - Hybrid IT Pro

Peraton; Corridor North (MD); Hybrid; USD 135,000 - 216,000; Full time

Benefits offered by this job

25 days PTO

Bonus plan

Subsidized benefits

Job summary

Peraton is seeking a Systems Administrator for a hybrid role in a secure National Security program. You will support enterprise network and desktop infrastructure, switching, VDI, imaging, and endpoint administration across Windows endpoints.

The ideal candidate has TS/SCI w/ Poly, 5+ years in VDI and Windows administration, and strong experience with imaging, patching, and AD. Peraton offers enhanced benefits and a competitive salary range.

Qualifications

• Bachelor's degree in a technical discipline and 10 years of system administration experience; 5 years may substitute for BS.
• Active TS/SCI w/ Poly is required.
• 5+ years administering the customer's classified VDI / thin-client desktop platform.
• 5+ years Windows 10/11 administration and troubleshooting.
• Experience with PXE-based imaging/deployment and endpoint provisioning.
• Proficiency with PuTTY, PowerShell, and Windows command-line tools.
• Active Directory user/group administration experience.
• Understanding of patch management processes and IAVA-driven remediation.
• Experience with SCCM/MECM, BigFix and ITSM tools like JIRA.

Responsibilities

• Configure, maintain, and troubleshoot Cisco switches running IOS-XE and NX-OS.
• Implement and manage port security and MAC-based controls.
• Support TCP/IP, subnetting, DHCP/DNS, and L2/L3 switching topics.
• Support enterprise VDI/thin-client infrastructure and endpoint provisioning.
• Perform endpoint imaging and deployment via PXE and tooling.
• Administer Windows 10/11 endpoints, including lifecycle support.
• Execute patch management and vulnerability remediation per STIG baselines.
• Use PuTTY, PowerShell, and Windows CMD for diagnostics and automation.
• Support STE/STN environment and associated procedures.
• Perform Active Directory tasks: accounts, groups, OU, and GPO basics.
• Document configurations and changes; maintain standards.
• Provide high-quality end-user support and cross-team coordination.

Skills

Cisco IOS-XE/NX-OS

Networking fundamentals

TS/SCI w/ Poly

Windows admin (10/11)

VDI/Thin-client admin

PowerShell/CLI scripting

Active Directory

Patch management & STIGs

ITSM/JIRA

SCCM/MECM & BigFix

End-user support

Firewall basics

Education

Bachelor's degree in a technical discipline

Tools

PuTTY

PowerShell

Windows CMD

PXE imaging

JIRA

Cisco Firepower/ASA

Job description

Peraton is seeking a Systems Administrator for a hybrid role in a secure National Security program. You will support enterprise network and desktop infrastructure, switching, VDI, imaging, and endpoint administration across Windows endpoints.

The ideal candidate has TS/SCI w/ Poly, 5+ years in VDI and Windows administration, and strong experience with imaging, patching, and AD. Peraton offers enhanced benefits and a competitive salary range.