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Windows System Administrator (SA 0) (Government)

Columbia, Maryland

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Government

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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.

RIS I is the delivery of regional IT services to the end user. We offer support of end user devices including desktop, workplace peripherals, and voice and video devices. We support local and campus area networks, including wireless and cable plant.

The RIS I Windows System Administrator plays a critical role in supporting secure, reliable, and mission-focused IT operations across the program. The role requires strong technical troubleshooting skills, disciplined system administration practices, and the ability to coordinate with customers, vendors, application teams, and network support groups to resolve issues, implement upgrades, and sustain mission-critical services.

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.
  • The Windows System Administrator will be responsible for administrating day-to-day IT systems to include system availability, backup/restore, configuration changes, maintaining and patching both physical and virtual.
  • Installs new software releases, system upgrades, evaluates and installs patches and resolves software related problems. Troubleshoot hardware and software.
  • Performs system backups and recovery, possibly using non-standard tools and methods. Maintains data files and monitors system configuration to ensure data integrity.
  • Familiar with standard concepts, practices, and procedures for Devop environments.
  • Ability to research and recommend new solutions.
  • Coordinating timely resolution of problems related to computing hardware and software. Involves consulting with clients, hardware and software vendors, application programmers and the networking (WAN/LAN) support groups. Includes direct technical support for all products delivered in this 7x24 hour environment.
  • Responsible for monitoring and responding to technical hardware and software problems utilizing a variety of testing tools and techniques for desktop, servers, LAN/WAN, voice or video networks.
  • Performs capacity planning, system administration, system tuning, problem analysis, and hardware/software upgrades.
  • Develops administrative policies, documentation, and procedures to ensure that assets are properly maintained and operated.
  • May install and configure workstations, servers, printers, and data, voice or video network components.
  • Performs testing and establishes system acceptance criteria on current and new hardware and software.
  • Coordinates the delivery and staging of client/server hardware and software including Ethernet wiring for the workstation and file server platforms.
  • Configures and builds the server hardware and network interfaces to meet client and vendor technical specifications.
  • Completes documentation needed for inventory and installation planning. Builds client profiles and system configurations for software distribution equipment.

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

Required Qualifications:

High school diploma or equivalent required; associate degree, technical certification, military training, or equivalent hands-on experience in information technology, systems administration, or a related technical field preferred.

•           Basic understanding of Windows operating systems, workstation/server administration, user account support, software installation, patching, and system troubleshooting.

•           Foundational knowledge of IT infrastructure concepts, including physical and virtual servers, desktop systems, LAN/WAN connectivity, backups, system monitoring, and hardware/software configuration.

•           Ability to follow established procedures for system administration, incident response, documentation, inventory updates, and installation planning in a mission-focused operational environment.

•           Demonstrated ability to troubleshoot routine hardware, software, and connectivity issues and escalate complex issues to senior technical staff, vendors, application teams, or network support groups as appropriate.

•           Strong attention to detail with the ability to maintain accurate records, support system configuration integrity, and contribute to technical documentation and standard operating procedures.

•           Effective verbal and written communication skills with the ability to coordinate with internal teams, customers, vendors, and technical support groups in a professional manner.

•           Ability to work in a fast-paced, 24x7 support environment and participate in on-call, shift, or after-hours support as required by program needs.

•           Ability to learn new tools, technologies, and processes quickly and apply guidance from senior administrators to support system availability, reliability, and security.

•           Must be able to meet applicable RIS I program, customer, security, and access requirements, including any required background investigation, clearance eligibility, or site-specific access requirements.

Ready to join our team? Apply today!

Our Windows System Administrator (SA 0) (Government) earns $57,200 - $90,700 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

It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.



Job ID R-113273 Date posted 06/17/2026
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Benefits

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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.

Compensation

Paid Time Off

Our people have class. Literally. We can help you out on approved education costs with our tuition assistance plan.

Tuition
Assistance

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Insurance Options

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The Hiring Process

Step 1

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Step 2

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Welcome! Onboarding
and Training Begins

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