Praxis Engineering Technologies LLC
Praxis Engineering Technologies LLCVerified Source

Linux Systems Administrator SME - TS/SCI Poly - GDIT

Onsite · Washington, District of Columbia
Posted July 27, 2026
payroll

Overview

You own the Linux and Windows infrastructure at GDIT, serving the US Department of War. You'll operate VMware and KVM virtual environments, enforce security protocols, and ensure system uptime across a mission-critical footprint. Your team supports Active Directory and automation tools, and you'll collaborate on high-stakes projects with a clear path for career growth. This role stands out for its direct impact on national defense and a compensation range of $148,750-$201,250.

What You'll Do8

  • 1Administer Linux and Windows servers, applying software updates and patches within 90 days
  • 2Script routine tasks with Bash and PowerShell to reduce manual intervention
  • 3Manage virtual environments using VMware, KVM, and Docker for optimal resource allocation
  • 4Configure and maintain Active Directory and Group Policy for user access control
  • 5Monitor system health with Splunk and Zabbix, responding to alerts
  • 6Troubleshoot network issues across TCP/IP, DNS, and DHCP
  • 7Enforce security best practices, including SCNP standards, across all systems
  • 8Collaborate with teams to automate infrastructure provisioning and scaling

Requirements9

  • 110+ years of systems administration experience
  • 2Active TS/SCI clearance with Polygraph
  • 3Expertise in Linux and Windows command-line interfaces
  • 4Scripting proficiency in Bash and PowerShell
  • 5Hands-on with VMware, KVM, Docker, or Hyper-V
  • 6Working knowledge of TCP/IP, DNS, DHCP
  • 7Experience with Splunk, Zabbix, or ELK monitoring
  • 8SCNP certification or equivalent security credential
  • 9US citizenship required

Salary Insight

Salary not disclosed in listing

Location

Typeonsite
LocationWashington, District of Columbia

Required Skills

LinuxMicrosoft WindowsSoftware UpdatesVirtual EnvironmentsVirtualization TechnologiesBashPowerShell
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