Technical Expert/Functional Expert, Network

AT&T

Confirmed live yesterday High trust

Quick summary

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

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $164k
This role $143k
$76k $215k
below market most similar roles pay here above market

This role pays less than 66% of similar roles. Most pay $132,000–$195,000 — the blue band above. At the midpoint, this role pays about $143k versus about $164k 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 91 open roles on FindRole.

Listed pay typically runs $98,100–$196,000 across 81 roles with salary data.

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At a glance

TL;DR · Technical Expert/Functional Expert, Network

The Technical Expert/Functional Expert (Network) (Government) joins the AT&T Global Public Sector team to support the design, implementation, and sustainment of high-performance computing environments. This role involves providing critical expertise in network design, advanced troubleshooting, and system integration across Linux, Windows, and UNIX infrastructures. Key responsibilities include installing and configuring Cisco routers, switches, firewalls, and IPSEC virtual private networks. The position requires configuring and tuning high-performance file systems like XFS, GPFS, and Lustre, alongside distributed computing tools such as RES, LSF, and SLURM. Candidates must manage HPC farm systems using Nagios, xcat, and compilers while maintaining RedHat and Suse operating systems. The work focuses on secure hosting, automated processing systems, and enterprise boundary architecture for government customers.

What you'll do

  • Design and implement high-performance computing (HPC) environments and associated network architectures.
  • Install, configure, and support Cisco routers, switches, firewalls, and IPSEC virtual private networks.
  • Perform advanced troubleshooting and tuning for high-performance file systems like XFS, GPFS, and Lustre.
  • Support HPC farm systems and applications including Nagios, xcat, failover software, and compilers.
  • Configure and troubleshoot distributed computing tools such as RES, LSF, and SLURM.
  • Manage and support RedHat and Suse operating systems across Linux, Windows, and UNIX infrastructures.
  • Create system diagrams and deliver high-level technical presentations to management.
  • Utilize packet capture software to monitor and secure enterprise boundary and datacenter architectures.

What we're looking for

  • Must have a TS/SCI security clearance with a polygraph.
  • Must have 10 years of experience in network engineering, architecture, monitoring, security, and protection with a degree.
  • Must have experience in network engineering, architecture, monitoring, security, and protection without a degree.
  • Must have datacenter network design and architecture experience including installation and configuration of Cisco routers, switches, firewalls, and IPSEC VPNs.
  • Must have skills to install, configure, and support high-performance file systems such as XFS, GPFS, and Lustre.
  • Must have skills to install, configure, and support HPC farm systems, applications like Nagios and xcat, and distributed computing tools like RES, LSF, and SLURM.
  • Must have skills to configure, tune, test, and troubleshoot RedHat and Suse operating systems.
  • Must have at least one of the following certifications: CCNA - SECURITY, GICSP, GSEC, Security +, or SSCP.

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