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# TS/SCI w/ Poly Sr. Systems Administrator

- **Company:** Insight Global
- **Location:** Fairfax County, VA, United States
- **Experience:** Expert
- **Salary:** $145,000.0 - $165,000.0
- **Contract:** Permanent contract
- **Skills:** Active Directory, Domain Controllers, CentOS, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Integrated Development Environments, Linux System Administration, System Center Configuration Manager, Windows Servers, Red Hat Enterprise Linux, Ansible, Server Administration, Software Configuration Management, Software Deployment, Windows Desktop, Scripting, Enterprise Software Applications, Vmware
- **Published:** May 25, 2026
- **Apply:** https://jobs.insightglobal.com/jobs/find_a_job/virginia/hunter-mill/ts-sci-w-poly-sr-systems-administrator/job-529504/

## About the Role

REQUIRES AN EXISTING/ACTIVE TS/SCI WITH CI POLYGRAPH

 - IAT level 2
 * Linux OS (CentOS, RHEL) administration.
 * Satellite server administration.
 * Ansible playbook writing.
 * Implementing STIGs.
 * Experience supporting a software configuration management and development environment.

## Description

* Plans, designs, and implements infrastructure changes and system upgrades.
 * Manages and troubleshoots multiple VMware environments.
 * Provides Windows Server and Linux administration, maintenance, and troubleshooting.
 * Creates STIG compliant images for Windows Desktop, Windows Server, and Linux OS.
 * Creates, tests, and deploys software packages using software deployment products such as SCCM, PDQ, etc.
 * Provides expert level support and mentoring for Mid and Junior System Administrator personnel.
 * Develops and maintains installation and configuration procedures for system and software changes.
 * Utilizes scripting to automate common tasks.
 * Performs hardware maintenance/repair activities.
 * Ensures proper planning and execution of major projects/maintenance activities.
 * Provides advanced level administration and troubleshooting of Active Directory, GPO, DNS, DHCP, and Domain Controllers.


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