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Lead Systems Administrator (Windows) (Government)

Newburg, Maryland

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Job Description:

This position requires office presence of a minimum of 5 days per week and is only located at customer's site. Work to be performed in Dahlgren, VA. 

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 AT&T will provide comprehensive Information Technology Infrastructure Support Services to the US Navy, delivering asset management, network operations, system design and configuration, and facility support to ensure effective day-to-day operations at several Naval Bases.

AT&T has an opening for a Lead Systems Administrator (Windows)to provide enterprise-level support for the US Navy. The position will lead efforts in system performance monitoring, backup and recovery process, and cross-functional collaboration with engineers and cybersecurity teams to maintain compliance and mission readiness.

Job Duties/Responsibilities:

  • Oversee the design, implementation, and maintenance of Windows-based server and desktop environments across an organization.
  • Manage Active Directory, Group Policy, DNS, DHCP, and other core Windows services to ensure secure and efficient operations.
  • Leads efforts to deploy and configure servers, monitor system performance, and apply patches and updates to maintain system integrity and compliance.
  • Develop and maintain automation scripts for routine tasks, manage backup and recovery processes, and ensure high availability of critical systems.
  • Collaborate with network engineers, cybersecurity teams, and application support staff to ensure seamless integration and secure operations across the IT infrastructure.
  • Planning and execute system upgrades, migrations, and new deployments, often leading cross-functional teams through these initiatives.
  • Document system configurations, procedures, and incident resolutions, as well as mentoring junior administrators and providing guidance on best practices.
  • Maintain a stable, secure, and scalable IT infrastructure.

Required Clearance:

TS/SCI (#tssci)

Required Qualifications:

  • 6 years of professional work and leadership experience in relation to Windows system administration of networks and software systems.
  • Experience in system backup/recovery, basic software management, security and library management, installation and configuration of hardware, operating systems and COTS software, operating computer systems in different operating environments, sizing, performance, tuning, hardware/software /network trouble shooting and resource allocation.
  • Experience in maintaining proficiency on major network security tools such as, firewalls.
  • Experience developing system specifications and performing market research procurement tasks.
  • Experience with different network protocols including TCP/IP.
  • Experience of computing and networking vulnerabilities, and attach and latest detect methods.
  • Required Certification: IAT Level II

Our Lead Systems Administrator (Windows) earn between $100,000 - $170,000. 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)
  • 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

Weekly Hours:

40

Time Type:

Regular

Location:

Newburg, 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-88664 Date posted 10/29/2025
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Benefits

Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.

  • Paid Time Off
  • Tuition Assistance
  • Insurance Options
  • Discounts
  • Training & Development

Learn more about benefits

Our hiring process

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Confirm your qualifications align with the job requirements and submit your application.

Assessments

You may be required to complete one or more assessments, depending on the role.

Interview

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Conditional Job Offer

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Background Check

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