Technical Expert Functional Expert Network

AT&T

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Columbia, MD
Salary
$89,200–$196,000 / yr
Posted
27 days ago
Freshness
Confirmed live yesterday
Closes
Nov 30, 2026

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $174k
This role $143k
$75k most similar roles pay here $223k

This role pays less than 69% of similar roles. Most pay $139,200–$208,800 — the shaded band above. At the midpoint, this role pays about $143k versus about $174k 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 · Technical Expert Functional Expert Network

Technical Expert/Functional Expert (Network) (Government) joins the team to support the design, implementation, and sustainment of high-performance computing environments. This role involves advanced troubleshooting and system integration across Linux, Windows, and UNIX infrastructures while managing network devices, server interconnections, and mass storage solutions. The candidate will perform configuration, tuning, and testing for high-performance file systems like XFS, GPFS, and Lustre, alongside distributed computing tools such as RES, LSF, and SLURM. Key responsibilities include designing datacenter networks using Cisco routers, switches, firewalls, and IPSEC virtual private networks. The role requires expertise in RedHat and Suse operating systems, Nagios, xcat, and packet capture software. This position addresses critical infrastructure maintenance for HPC systems, office automation, and the development of specialized software within a secure government contract environment.

What you'll do

  • Design, implement, and maintain high-performance computing (HPC) environments and infrastructure.
  • Install, configure, and support Cisco routers, switches, firewalls, and IPSEC virtual private networks.
  • Configure, tune, and troubleshoot high-performance file systems such as XFS, GPFS, and Lustre.
  • Provide advanced troubleshooting for HPC farm systems and associated applications like Nagios, xcat, and failover software.
  • Manage and support distributed computing tools including RES, LSF, and SLURM.
  • Configure, tune, and troubleshoot RedHat and Suse operating systems.
  • Create system diagrams and deliver high-level technical presentations to management.
  • Perform packet captures and manage enterprise boundary security for datacenter architecture.

What we're looking for

  • Must possess a TS/SCI security clearance with a polygraph.
  • Must have experience in network engineering, architecture, monitoring, and security (or without a degree).
  • Must have experience in datacenter network design including installation and configuration of Cisco routers, switches, firewalls, and IPSEC VPNs.
  • Must be able to configure, tune, and troubleshoot high-performance file systems such as XFS, GPFS, and Lustre.
  • Must be able to support HPC farm systems and distributed computing tools like Nagios, xcat, RES, LSF, and SLURM.
  • Must have experience with RedHat and Suse operating systems.
  • Must possess expert knowledge of security enterprise boundary and datacenter architecture.
  • Must hold at least one of the following certifications: CCNA - SECURITY, GICSP, GSEC, Security+, or SSCP.

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