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Lead Systems Administrator (Government)

Columbia, Maryland

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Chris S. — EVP, Technology Operations

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AT&T Government Solutions

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What you can do in Government Solutions

Find out how you can keep our nation safe.

Government Support at AT&T

See how AT&T is connecting the United States government.

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.

Our Professional Services Defense Team supports our Nation’s warfighters and Intelligence Community, providing, operating, and assuring critical voice, video, and collaboration services for the full spectrum of government operations. We have a long history of supporting our Customers with exceptional technical expertise in areas of transmission technologies, data techniques, applications integration, emerging services, and network evolution.

AT&T has an opening for a Systems Administrator Level 3 Lead to support AT&T’s Defense and National Security sector in managing Windows (and some Linux) systems and overseeing system administration teams and projects for two government programs.

Job Duties/Responsibilities:

  • Manage small team of geographically separated systems administrators for two separate programs
  • Manage new and current projects from start to completion
  • Manage current server/desktop deployments; plan next-generation upgrades and replacements
  • Manage daily activities of configuration and operation of Enterprise IT systems
  • Manage security patching & OS upgrades of Windows server/desktop enterprise and some Linux servers
  • Manage monitoring and problem resolution for workstation and server systems
  • Manage incident and problem identification, diagnosis, and resolution using ticketing systems
  • Manage escalation and communication of status to agency management and internal customers/teams

Required Clearance:

TSSCI with poly  (#ts/sci) (#polygraph)

Required Qualifications:

  • Self-starter with 10+ years’ experience with managing systems and networks effectively & efficiently
  • Must have or obtain current Security+ (DoD 8570 compliance) certification within six months of hire
  • Knowledge in Windows 2012-2019 Server Standard; install, harden, configure, administer & troubleshoot
  • Knowledge in Microsoft Hyper-V; install, configure, administer, convert & troubleshoot
  • Knowledge in Active Directory GPO; administer and troubleshoot
  • Knowledge in Distributed File System (DFS) and traditional file servers; administer and troubleshoot
  • Knowledge in DNS, DHCP, MS SQL 2014-2019 administration, and Exchange 2013-2019; administer
  • Knowledge in DISA STIG Hardening for servers, W10 desktops, and 3rd party applications; administer
  • Knowledge in Windows 10 Enterprise; image, deploy, administer & troubleshoot
  • Knowledge in industry standard security patch management best practices; administer and troubleshoot
  • Knowledge in RedHat Linux Server; administer and troubleshoot
  • Familiarity with RSA SecureID Soft tokens, RADIUS and TACACS+, and MS SharePoint Farm Administration

Desired Qualifications:

  • Knowledge in McAfee EPO, Solarwinds NPM and NCM, and Tenable Nessus
  • Support design of systems, mission architecture, and associated hardware
  • Certifications: Microsoft Certified Solutions Associate-Server (MCSA-Serv) or Microsoft Certified Solutions Expert-Server (MCSE-Serv) or Microsoft Certified IT Professional (MCITP); Computer Technology Industry Association - Network + (Network +); Computer Technology Industry Association - Storage + (Storage +)

Ready to join our team? Apply today!

Job ID 2201535-1 Date posted 08/08/2022
Apply Now


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Let’s start with the big one: Your work gets rewarded with competitive compensation and benefits. It really does pay to be on our team.


When it comes to priorities, we know family tops the list. For the moments that matter the most, you'll be there for them, and we'll be here for you.

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When the day comes that you get some much needed R&R (not that you’d ever want to leave #LifeAtATT) you’ll know your future is set with the AT&T Retirement Savings Plan (ARSP).


Give back to your community and connect with colleagues through social and team-building events, and annual paid time off for volunteer efforts of your choice.

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The Hiring Process

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