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# Windows System Administrator - CESO

- **Company:** TEKSYSTEMS INC.
- **Location:** Arlington, VA, United States
- **Experience:** Experienced
- **Salary:** $104,000.0 - $135,200.0
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Software Documentation, System Configuration, Monitoring of Systems, IT Management, Linux System Administration, Local Security Policy, Windows Servers, Windows PowerShell, Remote Desktop Services, Security Content Automation Protocol, Transmission Control Protocol (TCP), VMware Virtualization, Software Vulnerability Management, System Availability, Data Management, Hardware Infrastructure, Servicenow, Vmware
- **Published:** November 5, 2026
- **Apply:** https://www.thejobnetwork.com/job/a3f955dc-f4c9-456e-9aac-4993c31089fb/windows-system-administrator-ceso

## About the Role

* Experience administering Windows Server environments.
 * Experience managing Active Directory and Group Policy.
 * Experience supporting VMware virtualization platforms.
 * Experience with PowerShell scripting.
 * Experience applying security configurations and system hardening standards.
 * Knowledge of DISA STIG requirements and security compliance practices.
 * Experience with SCAP or similar compliance tools.
 * Experience with Remote Desktop Services.
 * Experience installing, configuring, and troubleshooting enterprise hardware and software.
 * Strong troubleshooting and problem-solving skills.
 * Active TS/SCI security clearance.

Preferred Qualifications

 * AWS cloud experience.
 * CI Polygraph.
 * Experience with Linux administration.
 * Experience with enterprise storage technologies (SAN/NAS).
 * Understanding of TCP/IP networking principles.
 * Experience with ticketing platforms such as Remedy or ServiceNow.
 * ITIL Foundation certification.
 * Experience supporting virtualized enterprise environments.

Top Skills

 * Windows Server
 * Active Directory
 * Group Policy (GPO)
 * VMware
 * PowerShell
 * AWS, Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

## Description

Our client is seeking a Windows Systems Administrator to support a secure enterprise IT environment. The ideal candidate will have experience administering Windows Server infrastructure, Active Directory, VMware environments, and enterprise security best practices. This role supports daily operations, system maintenance, troubleshooting, and continuous improvement initiatives across a multi-user enterprise environment.

Responsibilities

 * Create, maintain, and update system documentation and standard operating procedures.
 * Administer and support Windows Server environments.
 * Manage Active Directory, Group Policy Objects (GPOs), and local security policies.
 * Configure, maintain, and troubleshoot VMware virtual environments.
 * Install, configure, and maintain server hardware and software.
 * Apply system hardening and security best practices, including DISA STIG compliance.
 * Perform vulnerability remediation and security compliance activities using tools such as SCAP.
 * Develop and maintain PowerShell scripts to automate administrative tasks.
 * Support Remote Desktop Services (RDS) environments.
 * Manage scheduled tasks and routine maintenance activities.
 * Monitor system performance and resolve operational issues.
 * Collaborate with infrastructure and network teams to ensure system availability and reliability.
 * Review and validate work completed by junior team members as needed.