Security-Cleared IT Support Specialist — Pentagon (TS/SCI)

Leidos; Washington (District of Columbia); On-site; USD 52,000 - 94,000; Full time

Job summary

Leidos is seeking a Computer Support Specialist to join our Pentagon team in Arlington, VA. You will support end user hardware, asset and configuration management, and secure communications systems, helping maintain reliable IT infrastructure for mission-critical operations.

You will install, configure, and maintain desktop environments, patch networks, and assist with voice/video systems. The role includes training military personnel on system configuration and secure communications.

Qualifications

• Bachelor's degree or higher with 1+ year experience, or 3+ years with an associate, or 5+ years with a high school diploma/GED.
• Active TS/SCI clearance in DISS with required program access.
• Certifications listed below or equivalent.
• Experience supporting Windows, Linux, and Unix based infrastructure.
• Experience using ServiceNow or similar ticketing systems.
• Proficiency with Microsoft business tools.
• Familiarity with SCCM.
• Excellent oral and written communication skills.

Responsibilities

• Install, configure, and maintain hardware and software in desktop environments.
• Perform network switch patching and configuration.
• Ensure security patches are current and applied.
• Develop test specifications and procedures.
• Assist with design/installation of voice and video communications systems.
• Support asset management activities (inventory, relocation, repair, removal).
• Troubleshoot issues and respond to emergent support requests.
• Deliver training to rotating military personnel on system configuration and secure communications.

Skills

Windows administration

Linux administration

Unix administration

Ticketing systems

Microsoft Office

Education

Bachelor's degree

Associate degree

High school diploma / GED

CompTIA A+

CompTIA Network+

CompTIA Security+

BICSI ITS Installer 2 (Fiber Optic)

CISSP

CASP

Tools

ServiceNow

Microsoft SCCM

MS Office

Job description

Leidos is seeking a Computer Support Specialist to join our Pentagon team in Arlington, VA. You will support end user hardware, asset and configuration management, and secure communications systems, helping maintain reliable IT infrastructure for mission-critical operations.

You will install, configure, and maintain desktop environments, patch networks, and assist with voice/video systems. The role includes training military personnel on system configuration and secure communications.