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SM

Senior Network and Computer Systems Administrator (TS/SCI CI Poly) - Onsite

Active Directory administration Windows and Linux server administration Network monitoring and incident response

About the Role

SMX is hiring a Senior Network and Computer Systems Administrator to deliver day-to-day operational support for enterprise classified networks. In this onsite role at Fort Bragg, NC, you’ll help ensure mission-critical systems remain available through proactive monitoring, timely troubleshooting, and disciplined maintenance.

Responsibilities

  • Administer and maintain enterprise Windows and Linux servers
  • Manage Active Directory and related directory services
  • Monitor network performance and system health to detect issues early
  • Apply patches and perform routine system updates
  • Support configuration management activities
  • Respond to outages, incidents, and operational alerts
  • Assist with hardware and software upgrades
  • Maintain accurate system and operational documentation
  • Run health checks and validate system readiness
  • Coordinate and execute scheduled maintenance windows

Requirements

  • Experience administering enterprise Windows and Linux environments
  • Active Directory administration experience
  • Strong troubleshooting and incident response skills
  • Ability to perform patching, maintenance, and configuration management
  • TS/SCI clearance with CI Poly (CI Poly required)

Benefits

  • Full-time onsite position
  • Opportunity to support classified enterprise network operations
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Posted on July 16, 2026
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