✦ Luna Orbit — System Administration

High-Performance Computing (HPC) Systems Support (SA III) (Government)

at AT&T

📍 Columbia, Maryland Onsite 💰 $108K – $251K USD / year Posted March 29, 2026
Salary $108K – $251K USD / year
Type Contract
Experience senior
Exp. Years 10 years
Education B.S. in a technical discipline
Category System Administration

AT&T Global Public Sector seeks a Principal HPC Systems Administrator to support large-scale HPC environments for a government client. The role requires maintaining Linux/UNIX/Windows HPC systems, managing Lustre/GPFS storage, high-speed interconnects, and monitoring, with TS/SCI clearance and DoD 8570 II certification.

  • Provide HPC sustainment services
  • Manage Linux/Unix/Windows systems
  • Monitor health with Nagios/Splunk/Prometheus
  • Follow government procedures and change management
  • Resolve complex hardware/software integration issues

Environment spans Linux/Windows/UNIX with HPC storage (Lustre/GPFS), high-speed interconnects (Infiniband/Slingshot), and monitoring tools (Nagios, Splunk, Prometheus). Emphasis on system sustainment, SOA, and gov’t policy adherence.

The ideal candidate is an experienced HPC systems administrator with TS/SCI clearance and DoD 8570 IAT II certification, proficient in Linux/UNIX/Windows in HPC environments, and able to operate onsite in Columbia, MD on a government contract.

TS/SCI with polygraphB.S. in a technical discipline10 years' experience as a System Administrator in programs/contracts of similar scopetype and complexity or 15 years' experience in lieu of a degreeDoD 8570 IAT II level certification
NagiosSplunkPrometheus
['HPC''System Administration''Linux''UNIX''Windows''Red Hat''CentOS''SUSE''Lustre''GPFS''Infiniband''Slingshot''Nagios''Splunk''Prometheus''SOA''Troubleshooting''Change management']
LinuxWindowsUNIXRed HatCentOSSUSELustreGPFSInfinibandSlingshotNagiosSplunkPrometheusSRESOATroubleshootingChange management
CommunicationTeamworkProblem solvingDocumentationCustomer managementDetail orientation

Required

DoD 8570 IAT II level certification
Industry Government/Public Sector
Job Function HPC systems administrator for government Client/Contract
Role Subtype Systems Administrator
Tech Domains Linux, UNIX, Windows Server, Red Hat, CentOS, SUSE, Lustre, GPFS, Infiniband, Nagios, Splunk, Prometheus
HPCSystem AdministratorLinuxUNIXWindowsRed HatCentOSSUSELustreGPFSInfinibandNagiosSplunkPrometheusDoD 8570 IAT IITS/SCI with polygraphcolumbia marylandgovernmentcontractticket trackingchange managementSREservice oriented architecture

No TS/SCI clearance or polygraph, No DoD 8570 IAT II certification, Unable to work onsite in Columbia, MD

Apply for this Position →

Get matched to jobs like this

Luna finds roles that fit your skills and career goals — no endless scrolling required.

Create a Free Profile