✦ Luna Orbit — System Administration

Principal Systems Administrator/Sr. Principal Systems Administrator

at Northrop Grumman

📍 United States-Colorado-Colorado Springs Unknown 💰 $94K – $141K USD / year Posted March 13, 2026
Salary $94K – $141K USD / year
Type Full-Time
Experience mid
Exp. Years 5+ years
Education Bachelor's degree and 5 years of experience OR Master's degree and 3 years of experience; 9 years of total experience may be considered in lieu of completed degree
Category System Administration

This role involves managing enterprise Linux systems and HPC clusters for classified defense projects, requiring strong technical skills, security clearance, and experience in system provisioning and troubleshooting.

  • Administer Linux systems
  • Manage HPC clusters
  • Implement system upgrades
  • Troubleshoot hardware/software issues
  • Maintain security compliance

The position covers Linux system administration, HPC cluster management, security compliance, and system maintenance within classified environments, supporting defense and space systems.

The ideal candidate is a mid-level systems administrator with experience managing Red Hat Linux environments and HPC clusters, holding an active DoD Secret clearance. They should be skilled in system provisioning, maintenance, and troubleshooting within classified defense projects.

Linux System AdministrationRed Hat LinuxHPE HPC ClustersSecurity ClearanceUser Account ManagementSystem MaintenanceConfiguration Management
ProvisioningSystem UpgradesMonitoringDiagnostic Tools
Red Hat LinuxHPE HPC Clusters
Linux System AdministrationRed Hat LinuxHPE HPC ClustersSecurity ClearanceUser Account ManagementFile PermissionsSystem MaintenanceConfiguration Management
Linux System AdministrationRed Hat LinuxHPE HPC ClustersComputer SystemsProvisioningSystem MaintenanceSecurity ClearanceUser Account ManagementFile PermissionsSystem UpgradesMonitoringConfiguration ManagementDiagnostic Tools
CommunicationProblem-solvingTeamworkAttention to detailTechnical support

Required

IAT Level II
Industry Defense
Job Function Manage and support Linux-based enterprise and HPC systems for defense applications
Clearance Required Active DoD Secret clearance
Linux System AdministratorRed Hat LinuxHPE HPC ClustersSystem AdministrationSecurity ClearanceUser Account ManagementFile PermissionsSystem UpgradesMonitoringConfiguration ManagementDiagnostic ToolsTroubleshootingSystem Maintenance

Lack of active Secret clearance, No experience with Red Hat Linux, Less than 5 years of relevant experience, Inability to work in Colorado Springs, CO

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