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AT&T

Systems Administrator – Government

AT&T

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

Posted 10/27/2026full-timeColumbia • Maryland • United StatesMid-LevelSenior💰 $89,200 - $170,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Linux and Windows IT systems administration, including VMware management, network storage solutions, and system configuration. Proven ability to maintain data integrity and confidentiality while providing technical support and developing administrative policies.

Highest-signal resume keywords
Linux IT Systems AdministrationWindows IT Systems AdministrationVMware Support and AdministrationNetwork Attached Storage (NAS)Storage Area Network (SAN)

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
System Availability ManagementBackup and RestoreCapacity PlanningSystem TuningProblem AnalysisHardware/Software UpgradesSoftware Release MaintenanceConfiguration ChangesTechnical Documentation DevelopmentSystem Testing and Acceptance Criteria
Soft Skills
Client ConsultationTechnical Support
Tools & Technologies
Virtual MachinesWorkstationsServersPrintersNetwork Components
Certifications & Qualifications
Bachelor’s Degree in Computer EngineeringBachelor’s Degree in Computer ScienceTS/SCI Clearance with Polygraph
Industry Keywords
Information AssuranceInformation SecuritySystem EngineeringData ConfidentialityData IntegrityData Availability

Tech Stack

Tools & technologies
LinuxTypeScriptVMware

About the role

Key responsibilities & impact
  • Administer day-to-day Linux and/or Windows IT systems, including system availability, backup/restore, configuration changes, maintenance, and patching of physical and virtual systems
  • Support and administer VMware, virtual machines, NAS, and SAN 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
  • Test hardware and software and establish system acceptance criteria
  • Determine training needs and develop system administration guidelines
  • Configure and build server hardware and network interfaces to client and vendor 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
  • 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
  • Required Clearance: TS/SCI with polygraph
  • Knowledge of Linux and/or Windows IT systems administration
  • Experience supporting and administering VMware
  • Experience hosting and managing virtual machines
  • Knowledge of Network Attached Storage (NAS) and Storage Area Network (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 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 configure and build server hardware and network interfaces to meet technical specifications
  • Ability to respond to system alerts and troubleshoot problems
  • Must work in the posted location with office presence a minimum of 5 days per week; no relocation offered

Benefits

Comp & perks
  • Medical/Dental/Vision coverage
  • 401(k) plan
  • Tuition reimbursement program
  • Paid Time Off and Holidays (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