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Technical ExpertFunctional Expert (Network) (Government)

AT&T


Job Location:

Columbia, IN - USA

Yearly Salary: $ 89200 - 196000
Posted: 22 August 2026 (21 hours ago)
Application Deadline: 19 November 2026
Vacancies: 1 Vacancy

Job Summary

AT&T Global Public Sector is a trusted provider of secure IP enabled cloud-based network solutions and professional services to the Federal Government. We are dedicated to recruiting developing and empowering a diverse high-performing workforce that is passionate about what they do committed to our shared values and dedicated to our customers mission.

The scope of this Contract requires specialized expertise in areas such as high-performance computing (HPC) automated processing systems distributed software design and secure hosting and networking solutions. The IT infrastructure consists of a mix of Linux Windows and UNIX. The environment includes a variety of network devices server interconnections mass storage solutions and essential supporting infrastructure services. The services provided under this Contract support areas including HPC infrastructure maintenance for HPC systems networking office automation and the development of specialized software.

AT&T has an opening for a Technical Network Expert: To support in design implementation and sustainment of high-performance computing (HPC) environments. This role provides critical expertise in network design advanced troubleshooting and system integration across Linux Windows and UNIX infrastructures. The Technical Network Expert will play a key role in enabling AT&T to deliver innovative mission critical solutions to our customer.

Description of Job Duties/Responsibilities:

  • This position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. Work to be performed at a government customer site in Annapolis Junction MD.
  • Must have datacenter network design and architecture experience to include installation and configuration of Cisco routers switches firewalls and IPSEC virtual private networks.
  • Must have skills needed to install configure and support the following:
    • Configuration tuning testing and advanced level troubleshooting and support of high-performance file systems such as XFS GPFS and Lustre.
    • Advanced level troubleshooting and support of HPC farm systems and associated applications such as Nagios xcat failover software and compilers.
    • Working knowledge of HPC MPP systems.
    • Configuration tuning testing and advanced level troubleshooting and support of distributed computing tools such as RES LSF and SLURM.
    • Configuration tuning testing and advanced level troubleshooting of RedHat and Suse operating systems.
  • Expert security enterprise boundary and datacenter architecture and design.
  • Create system diagrams and present high-level presentations to management. Experienced in packet capture software.
  • Some ON CALL availability may be required but will receive $100.00 each day designated as on call.

Required Clearance: TS/SCI with polygraph. (#ts/sci) (#polygraph)

Required Qualifications:

10 years demonstrable experience (with degree or 15 without) in network engineering (LAN) architecture monitoring security and protection. Must have datacenter network design and architecture experience to include installation and configuration of Cisco routers switches firewalls and IPSEC virtual private networks.

  • At least one of the following certifications: CCNA - SECURITY GICSP GSEC Security SSCP.

Ready to join our team Apply today!

Our Technical Expert/Functional Expert (Network) (Government) earns $89200 - $196000 yearly. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography experience expertise and education/training.

Joining our team comes with amazing perks and benefits:

Medical/Dental/Vision coverage

401(k) plan

Tuition reimbursement program

Paid Time Off and Holidays (based on date of hire at least 23 days of vacation each year and 9 company-designated holidays) *Pro-rated when working less than 40 hrs/wk.

Paid Parental Leave

Paid Caregiver Leave

Additional sick leave beyond what state and local law require may be available but is unprotected Adoption Reimbursement

Disability Benefits (short term and long term)

Life and Accidental Death Insurance

Supplemental benefit programs: critical illness/accident hospital indemnity/group legal

Employee Assistance Programs (EAP)

Extensive employee wellness programs

Employee discounts up to 50% off on eligible AT&T mobility plans and accessories AT&T internet (and fiber where available) and AT&T wireline phone

Weekly Hours:

40

Time Type:

Regular

Location:

Columbia Maryland

AT&T and its subsidiaries are committed to equal employment opportunity. All hiring promotion and other employment decisions remain merit-based and free from discrimination on the basis of race color religion religious creed national origin ancestry age sex sexual orientation gender gender identity gender expression physical disability mental disability pregnancy medical condition genetic information marital status citizenship status military status veteran status or any other characteristic protected by federal state or local addition AT&T will provide reasonable accommodations to qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. Click here to learn more or request an application accommodation here.


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