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Windows System Administrator (SA2) (Government)

AT&T

Columbia, MDFull-time$98–153K/yrSeen 2 days agoSeen in employer's feed 2 days ago

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At a glance

Compensation
$98–153K/yr
Location
Columbia, MD
Schedule
Full-time
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

TS/SCI clearance

Job overview

AT&T Global Public Sector is hiring a lead Windows Systems Administrator to manage and maintain IT systems supporting regional end-user services. The role administers physical and virtual systems, provides second- and third-tier technical support, and supports hardware, software, and network components. It is full-time and onsite five days per week in Columbia, Maryland. A TS/SCI clearance with polygraph and ten years of hands-on systems administration experience are required.

Skills & qualifications

RequiredNice to have

Skills

Windows Systems AdministrationBackup and RecoveryConfiguration ManagementSoftware InstallationPatch ManagementHardware and Software TroubleshootingDevOpsSolution EngineeringTier 2 and 3 SupportCapacity PlanningSystem TuningProblem AnalysisWorkstation and Server ConfigurationNetwork ConfigurationSystem Testing

Qualifications

10 Years Systems AdministrationTS/SCI Clearance With PolygraphBachelor's in Computer Science, Information Assurance, Information Security System Engineering, or Related DisciplineDoD 8570 IAT Level 2 Certification

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Tuition Assistance
Paid Time Off
Parental Leave

Full job description

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.

AT&T has an opening for a lead Windows Systems Administrator to administer the daily duties of managing and maintaining the IT systems.

This is a full-time onsite role based in the location(s) posted and is performed from the designated work location five days per week. No relocation is offered.

Description of Job Duties/Responsibilities:

  • 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 engineer new solutions.

  • Provides 2nd and 3rd Tier support, 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.

  • Develops local administrative policies and procedures to ensure database and system integrity.

  • Conducts meetings with the clients and other support groups to establish critical dates and LAN and client/server requirements, determines training needs and develops system administration guidelines tailored to the work environment.

  • 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:

Must have ten (10) years of experience in hands-on systems administration. Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university is preferred. DoD 8570 IAT Level 2 Certification (Security + Preferred)

Ready to join our team? Apply today!

Our Windows System Administrator (SA2) (Government)

earns $98,100 - $153,000

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 laws. In 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 (https://urldefense.com/v3/\_\_https:/www.eeoc.gov/poster\_\_;!!BhdT!gVgkRvpoFXvxCPguQlKOpna1E9V2xmnpQvxcjhTWaBpnwCl09S3N6PYnLgM6kQjmJXAYFLihSQ4W3Sw2boE9zgEA$) to learn more or request an application accommodation here (https://urldefense.com/v3/\_\_https:/www.att.jobs/accommodation/\_\_;!!BhdT!gVgkRvpoFXvxCPguQlKOpna1E9V2xmnpQvxcjhTWaBpnwCl09S3N6PYnLgM6kQjmJXAYFLihSQ4W3Sw2bszyLYN3$) .

AT&T will consider for employment qualified applicants in a manner consistent with the requirements of federal, state and local laws

We expect employees to be honest, trustworthy, and operate with integrity. Discrimination and all unlawful harassment (including sexual harassment) in employment is not tolerated. We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected veteran status or employment status

How this job compares

Set against the 2,233 open Systems Administrator jobs on Olive Jobs, counted November 3, 2026.

Pay
  • This posting$98–153K/yr
  • Maryland median$104–174K/yr122 salary ranges
  • US median$92–147K/yr1,383 salary ranges

This range's midpoint, $126K, is 10% below the Maryland median midpoint ($140K) — in the middle half of Systems Administrator salary ranges in Maryland.

Openings
Olive Jobs lists 165 open Systems Administrator jobs in Maryland and 2,233 across the US. 5% of them nationwide are listed as remote or flexible.
Hiring the most in Maryland
Experience
This posting asks for at least 10 years of experience — more than three in four Systems Administrator postings that state a minimum ask for (median 5 years, across 1,876 postings).
Education
376 of the 2,233 open Systems Administrator jobs (17%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 3, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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