High-Performance Computing

AT&T

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Columbia, MD
Salary
$98,100–$167,830 / yr
Posted
29 days ago
Freshness
Confirmed live yesterday
Closes
Nov 30, 2026

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $190k
This role $133k
$83k most similar roles pay here $241k

This role pays less than 88% of similar roles. Most pay $153,400–$226,087 — the shaded band above. At the midpoint, this role pays about $133k versus about $190k for comparable roles.

Based on 240 similar postings.

Employer

About AT&T

AT&T is a US-based telecommunications company providing wireless, broadband, and fiber internet service along with phone and connectivity products for consumers and businesses.

AT&T currently has 61 open roles on FindRole.

Listed pay typically runs $117,350–$226,800 across 56 roles with salary data.

Most-posted roles

View all roles at AT&T

At a glance

TL;DR · High-Performance Computing

High-Performance Computing (HPC) (SA2) (Government) serves as a High-Performance Computing (HPC) Systems Administrator supporting a large client-based IT enterprise. The role involves providing sustainment support across geographically dispersed sites, including Linux-based HPC clusters with parallel file systems and high-speed interconnects like InfiniBand or Slingshot. Responsibilities include installing and configuring Linux, Windows, and UNIX platforms, performing routine maintenance, troubleshooting hardware problems, and transitioning new capabilities into operations. The candidate will utilize BASH scripting for automation, manage workloads using Slurm, and employ tools such as Git, Salt, Ansible, Jira, Confluence, Grafana, Prometheus, and Nagios. Technical tasks involve hardening, patching, and tuning systems while performing capacity planning and resource analysis. This role addresses the technical challenges of managing complex infrastructure, automated processing systems, distributed software design, and secure hosting solutions within a government-focused environment.

What you'll do

  • Maintain and support Linux-based HPC clusters using parallel file systems and high-speed interconnects.
  • Transition new systems, capabilities, and cluster infrastructures into active operations.
  • Install, configure, and troubleshoot Linux OS, file systems, and TCP/IP networking.
  • Automate system administration tasks and manage software installations using BASH scripting.
  • Manage HPC workloads and configurations using tools like Slurm, Git, Salt, and Ansible.
  • Monitor system health and resolve incidents using observability tools like Grafana, Prometheus, and Nagios.
  • Harden, patch, and tune Linux, UNIX, and Windows systems to improve reliability and performance.
  • Provide technical support and status communication for escalated tickets to agency management and customers.

What we're looking for

  • Must possess a TS/SCI security clearance with a polygraph.
  • Must hold a DoD 8570 IAT II level certification.
  • Bachelor's degree in a technical discipline and 5 years of experience as a System Administrator.
  • 10 years of experience may be substituted for the required bachelor's degree.
  • Experience maintaining Linux-based HPC clusters with parallel file systems and high-speed interconnects.
  • Proficiency in BASH scripting, configuration management tools like Salt or Ansible, and Slurm workload management.
  • Ability to harden, patch, and tune Linux, UNIX, and Windows systems.
  • Experience using observability tools such as Grafana, Prometheus, Nagios, Jira, and Confluence.

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