IT Support Specialist

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

Computer Support Specialist

Location: Pentagon - Arlington, VA
Security Clearance: Active TS/SCI Required

Leidos is seeking a Computer Support Specialist to join our team at the Pentagon in Arlington, VA. In this role, you will support end user hardware, asset and configuration management, and secure communications systems. You’ll play an important role in maintaining reliable IT infrastructure while providing technical support to mission critical operations.

Primary Responsibilities

• Install, configure, and maintain hardware and software within desktop computing environments, including thick client workstations, thin clients, VoIP phones, and video teleconferencing systems.
• Perform network switch patching and configuration.
• Ensure security patches are current and successfully applied.
• Develop test specifications and procedures.
• Assist with the design, engineering, installation, configuration, accreditation, and scheduling of voice and video communication systems.
• Support asset management activities, including inventory, relocation, repair, removal, and destruction of equipment.
• Troubleshoot and resolve technical issues while responding to emergent support requirements in an effective and timely manner.
• Deliver training to rotating military personnel on system configuration, hardware repair, and secure audio and video communications to enhance technical proficiency.

Required Qualifications

• Bachelor degree with 1+ year of experience, Associate degree with 3+ year of experience or a High school diploma / GED with 5+ years of experience.
• Active TS/SCI clearance in DISS and required program access.
• One of the following certifications:
  • CompTIA A+
  • CompTIA Network+
  • CompTIA Security+
  • BICSI ITS Installer 2 (Fiber Optic) certification within six months of hire
  • CISSP
  • CASP
• Experience supporting Windows, Linux, and Unix based infrastructure.
• Experience using ServiceNow Action Request System or an equivalent ticketing system.
• Proficiency with Microsoft business tools.
• Familiarity with Microsoft System Center Configuration Manager (SCCM).
• Excellent oral and written communication skills.

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares.

Original Posting

October 1, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range

Pay Range $52,000.00 - $94,000.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.