Senior Network Engineer III – Government

AT&T

Network Engineer providing system and server administration support at AT&T. Responsible for testing, implementation, and maintenance of secure networking solutions.

Posted 5/1/2026full-timeColumbia • Maryland • 🇺🇸 United StatesSenior💰 $79,300 - $184,800 per yearWebsite

Tech Stack

Tools & technologies

CitrixFirewalls

About the role

Key responsibilities & impact

Provide system/server and network administration support
Provide O&M support to existing server-based solutions including, but not limited to, CITRIX, ESRI, McAfee, Microsoft Red Hat, and SolarWinds.
Ensure the CDS-based and enterprise-wide networking devices and components are tested, implemented and maintained within optimal and required configurations to continue to provide the most secure operating environment possible.
Responsible for variety of engineering and operational related assignments associated with deployed operational solutions backed by Cisco and SolarWinds on multi-level IT system in support of the Activities Information System.
Provide O&M support - testing, validation, sustainment, upgrading and decommissioning as it relates to networking devices to include: Switches, routers, firewalls, encryption devices, copper and fiber-based connectivity.

Requirements

What you’ll need

Bachelor’s degree in relevant field of study
8 years of relevant experience
Network+ or relevant certification

Benefits

Comp & perks

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)
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 phone

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

system administrationserver administrationnetwork administrationO&M supporttestingvalidationsustainmentupgradingdecommissioningnetworking devices

Certifications

Bachelor’s degreeNetwork+