Windows System Administrator – Government

AT&T

. Administer day-to-day IT systems, including system availability, backup/restore, configuration changes, and maintenance and patching of physical and virtual systems .

Posted 10/30/2026full-timeColumbia • Maryland • United StatesSeniorLead💰 $98,100 - $153,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in systems administration, including capacity planning, system tuning, and troubleshooting in a 7x24-hour environment. Proficient in developing administrative policies and procedures while providing 2nd and 3rd Tier technical support for hardware and software issues.

Highest-signal resume keywords

10+ Years Systems Administration ExperienceDoD 8570 IAT Level 2 CertificationTS/SCI Clearance with PolygraphDevOps Environment FamiliarityCapacity Planning and System Tuning

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

System AdministrationTroubleshooting Hardware IssuesTroubleshooting Software IssuesCapacity PlanningSystem TuningBackup and RecoveryConfiguration ChangesInstallation of Software ReleasesMonitoring System ConfigurationTesting Tools and Techniques

Soft Skills

Client ConsultationProblem AnalysisDocumentation DevelopmentTraining Needs AssessmentCoordination of Support Groups

Tools & Technologies

LAN/WAN SupportVoice NetworksVideo NetworksWorkstation ConfigurationServer ConfigurationNetwork Interfaces

Certifications & Qualifications

DoD 8570 IAT Level 2 CertificationSecurity+ Certification

Industry Keywords

7x24-Hour EnvironmentAdministrative PoliciesSystem IntegrityClient/Server RequirementsEthernet Wiring

Tech Stack

Tools & technologies

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About the role

Key responsibilities & impact

Administer day-to-day IT systems, including system availability, backup/restore, configuration changes, and maintenance and patching of physical and virtual systems
Install software releases, system upgrades, and patches; troubleshoot hardware and software issues
Perform system backups and recovery and maintain data files
Monitor system configuration to ensure data integrity
Provide 2nd and 3rd Tier support and coordinate timely resolution of computing hardware and software problems
Consult with clients, hardware and software vendors, application programmers, and WAN/LAN support groups
Provide direct technical support for products delivered in a 7x24-hour environment
Monitor and respond to technical hardware and software problems for desktops, servers, LAN/WAN, voice, and video networks
Perform capacity planning, system administration, system tuning, problem analysis, and hardware/software upgrades
Develop administrative policies, documentation, and procedures to maintain and operate assets
Install and configure workstations, servers, printers, and network components
Perform testing and establish system acceptance criteria for current and new hardware and software
Develop local administrative policies and procedures to ensure database and system integrity
Conduct client and support-group meetings to establish critical dates and LAN and client/server requirements
Determine training needs and develop system administration guidelines
Coordinate delivery and staging of client/server hardware and software, including Ethernet wiring
Configure and build server hardware and network interfaces
Complete inventory and installation-planning documentation; build client profiles and system configurations for software distribution equipment

Requirements

What you’ll need

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)
Required Clearance: TS/SCI with polygraph
Familiarity with standard concepts, practices, and procedures for DevOps environments
Ability to research and engineer new solutions
Ability to provide 2nd and 3rd Tier support
Ability to support a 7x24-hour environment
Ability to monitor and respond to technical hardware and software problems using testing tools and techniques
Experience with desktop, servers, LAN/WAN, voice or video networks
Ability to perform capacity planning, system administration, system tuning, problem analysis, and hardware/software upgrades
Ability to develop administrative policies, documentation, and procedures
Ability to install and configure workstations, servers, printers, and data, voice, or video network components
Ability to configure and build server hardware and network interfaces to client and vendor technical specifications

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 wireline phone