Systems Administrator – Government

AT&T

. Support the day-to-day IT systems for AT&T’s customized network solution supporting the federal government .

Posted 10/16/2026full-timeColumbia • Maryland • United StatesMid-LevelSenior💰 $89,200 - $170,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Linux and Windows IT systems administration, VMware management, and data storage solutions while ensuring data confidentiality and integrity. Proficient in technical support, system tuning, and developing administrative policies for effective IT operations.

Highest-signal resume keywords

Linux IT Systems AdministrationWindows IT Systems AdministrationVMware ManagementData Confidentiality and IntegrityTechnical Support for Development Environments

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Systems AdministrationCapacity PlanningSystem TuningProblem AnalysisHardware/Software UpgradesInstallation and Configuration of WorkstationsInstallation and Maintenance of Software ReleasesConfiguration of Server HardwareNetwork Interface ConfigurationTesting and Establishing System Acceptance Criteria

Soft Skills

Consultation with ClientsCollaboration with VendorsTroubleshooting and Problem Resolution

Tools & Technologies

VMwareNAS HardwareSAN HardwareData, Voice, or Video Network Components

Certifications & Qualifications

TS/SCI Clearance with Polygraph

Industry Keywords

Federal Government IT SolutionsAdministrative PoliciesDocumentation ProceduresSystem Administration Guidelines

Tech Stack

Tools & technologies

LinuxTypeScriptVMware

About the role

Key responsibilities & impact

Support the day-to-day IT systems for AT&T’s customized network solution supporting the federal government
Administer day-to-day Linux and/or Windows IT systems, including availability, backup/restore, configuration changes, maintenance, and patching of physical and virtual systems
Support and administer VMware, host and manage virtual machines, and manage NAS and SAN data storage hardware
Install and configure workstations, servers, printers, and data, voice, or video network components
Install and maintain software releases
Maintain data confidentiality, integrity, and availability
Consult with clients, hardware and software vendors, application programmers, and the network team
Provide technical support for development, test, and production environments
Perform capacity planning, system tuning, problem analysis, and hardware/software upgrades
Develop administrative policies, documentation, and procedures to ensure assets are properly maintained and operated
Test current and new hardware and software and establish system acceptance criteria
Determine training needs and develop environment-specific system administration guidelines
Configure and build server hardware and network interfaces to client and vendor technical specifications
Build client profiles and system configurations for software distribution equipment
Respond to system alerts and troubleshoot and resolve problems

Requirements

What you’ll need

Required Clearance: TS/SCI with polygraph
Three (3) years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity
Bachelor’s degree in Computer Engineering, Computer Science, Applied Science, Electrical Engineering, Math, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university, a developer nanodegree, or equivalent work experience
Knowledge of Linux and/or Windows IT systems administration
Knowledge of VMware, virtual machine hosting and management, NAS, and SAN hardware
Ability to install and configure workstations, servers, printers, and data, voice, or video network components
Ability to install and maintain software releases
Ability to maintain data confidentiality, integrity, and availability
Ability to consult with clients, hardware and software vendors, application programmers, and network teams
Ability to provide technical support for development, test, and production environments
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 perform testing and establish system acceptance criteria
Ability to determine training needs and develop system administration guidelines
Ability to configure and build server hardware and network interfaces to client and vendor technical specifications
Ability to build client profiles and system configurations for software distribution equipment
Ability to respond to system alerts and perform troubleshooting and problem resolution

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