Recently postedTemporary/CasualTechnology

Windows System Administrator with Security Clearance

TEKsystems c/o Allegis GroupPentagon, DC🇺🇸United States

Why this role stands out

Accelerate your career by managing critical infrastructure within a prestigious, high-security environment at the Pentagon, where you will gain invaluable expertise in enterprise-level systems and advanced administration. This role is perfect for a proactive, detail-oriented professional eager to tackle complex technical challenges and sharpen their skills in a collaborative, mission-focused team. Apply today to secure your place in this vital role and make a significant impact on national security operations.

Quick overview

SeniorityMid Senior

Employment typeTemporary/Casual

Work modeOn Site

LocationPentagon, DC, United States

Active DirectoryPowerShellVMwareWindows ServerITIL

Job description

Windows Systems Administrator (TS/SCI Required)
Location: Alexandria, VA (On-Site) Clearance: Active TS/SCI Required Certification: IAT Level II Certification Required (Security+ or Equivalent) Duration: 6-Month Contract Overview
We are seeking a Windows Systems Administrator to support mission-critical Department of Defense operations within a secure classified environment. This position is responsible for providing Tier I and Tier II systems administration and IT operations support across enterprise Windows infrastructure, ensuring system availability, security, and operational performance.

This role is ideal for a systems administrator with a strong Windows background, experience supporting classified environments, and hands-on experience with VMware, Active Directory, and enterprise patch management tools. Responsibilities
Provide Tier I and Tier II systems administration support within a classified environment. Administer and maintain Windows Server and Windows workstation environments. Manage Active Directory users, groups, permissions, and Group Policy Objects (GPOs). Install, configure, test, and deploy operating system updates, security patches, and software upgrades.

Support enterprise patching and imaging efforts utilizing SCCM, MECM, or similar tools. Monitor system health, performance, and security to ensure operational availability. Perform backup and recovery operations and support disaster recovery procedures. Troubleshoot and resolve server, workstation, and enterprise infrastructure issues. Maintain technical documentation, system configurations, and operational procedures. Participate in change management and configuration management activities, including CAB reviews. Support VMware virtualized environments and associated infrastructure.

Assist with operational continuity and contingency response requirements as needed. Required Qualifications
Active TS/SCI Security Clearance. IAT Level II Certification (Security+, CySA+, or equivalent).
4+ years of experience in Systems Administration or IT Infrastructure Support. Strong experience supporting Windows Server and Windows desktop environments. Hands-on Active Directory administration experience. Experience supporting VMware environments. Experience with SCCM, MECM, or other enterprise patch management solutions. Experience imaging and deploying workstation builds.

Strong troubleshooting and problem-solving skills. Ability to work effectively within classified and security-focused environments.

Preferred Qualifications
PowerShell scripting experience.
Experience implementing and maintaining STIG compliance.
VDI (Virtual Desktop Infrastructure) experience.
Familiarity with ITIL processes and change management practices.
Experience supporting DoD or other federal government environments.
Experience with backup, recovery, and disaster recovery planning.

What We Offer
Opportunity to support a highly visible and mission-critical federal program.
Long-term program stability.
Certification reimbursement opportunities.
Tuition reimbursement programs.
Competitive benefits package including medical, dental, vision, and 401(k).
Professional, business-casual work environment.