✦ Luna Orbit — System Administration

Systems Administrator (Level 2 OR 3)

at Northrop Grumman

📍 United States-Colorado-Colorado Springs Onsite 💰 $75K – $113K USD / year Posted April 02, 2026
Salary $75K – $113K USD / year
Type Full-Time
Experience mid
Exp. Years 2+ years
Education Bachelor's degree in a technical field
Category System Administration

System Administrator (Level 2/3) for the DARC program on an enterprise classified network; focuses on provisioning, integrating and maintaining Linux-based systems and HPC clusters, with DoD security clearance.

  • Perform as a Linux System Administrator for an enterprise classified network
  • Provide technical assistance and support related to computer systems, hardware, and software
  • Implement and manage HPE HPC clusters
  • Respond to queries, run diagnostics and implement corrective actions
  • Recommend and implement system enhancements to improve performance and reliability

Red Hat Linux-based environment using Ansible for configuration, IDM for identity management, Satellite Server for management; DoD clearance required; travel up to 25%.

The ideal candidate is a mid-level system administrator with DoD secret clearance, proficient with Red Hat Enterprise Linux 8/9, Ansible, IDM, Satellite Server, and HPC cluster management, able to operate on classified networks and support provisioning and patching.

Bachelor's degree in a technical field2+ years of Linux System AdministrationIAT Level II certification (Security+ CE) or greaterActive DoD Secret clearanceExperience with Red Hat Enterprise Linux 8/9Experience with AnsibleExperience with Red Hat IDMExperience with Red Hat Satellite Server
Active DoD Top Secret Clearance with SCI eligibilityExperience with Hewlett Packard Enterprise HPC cluster management (HPE CM)Experience with various MPI implementations (IntelMPIOpenMPIMPICH)Experience with GPFS (global/parallel file systems)Experience with Slurm or PBSExperience with Cameo or MBSE tools
Red Hat Satellite ServerRed Hat Identity ManagerAnsibleHPE CMHPE HPC
Bachelor's degree in a technical field2+ years Linux System AdministrationRed Hat Enterprise Linux 8/9AnsibleRed Hat IDMRed Hat Satellite ServerHPC cluster management (HPE CM)IAT Level II certification (Security+ CE)DoD Secret clearance
Red Hat Enterprise Linux 8/9AnsibleRed Hat Identity ManagerRed Hat Satellite ServerHPE HPC cluster management (HPE CM)
CommunicationTeam collaborationProblem-solvingWritten and oral communication

Required

IAT Level II certification (Security+ CE) or greater

Preferred

Active DoD Top Secret Clearance with SCI eligibility
Industry Defense
Job Function Manage and secure Linux-based enterprise systems and HPC clusters on a classified network
Role Subtype Linux Sysadmin
Tech Domains Linux, Red Hat Enterprise Linux, Ansible, Hewlett Packard Enterprise Cluster Management, HPC
system administratorlinux system administratorred hat enterprise linux 8/9ansiblered hat identity managerred hat satellite serveriat level ii certificationsecurity+ cedod secret clearancesecret clearancehpe cmhpe HPCmpiopenmpimpichgpfsslurmpbsidmred hat satellitelinuxred hat enterprise linuxsatellite serversecurity+

Active DoD Secret clearance is required, Ability to obtain SCI (if Top Secret) as a preference, Bachelor's degree in a technical field

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