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AT&T

Senior Systems Administration

AT&T

. Perform 24x7 operations, administration, and maintenance of server infrastructure in AT&T’s Network Cloud Linux-based environment .

Posted 10/30/2026full-timeAlpharetta • United StatesSenior💰 $106,100 - $159,100 per yearWebsite

Core Competencies

Role fit
Core Competencies

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

Demonstrates expertise in Linux System Administration, OpenStack, and Kubernetes, with a strong focus on 24x7 operations and maintenance of cloud infrastructure. Proficient in troubleshooting, project management, and collaboration across diverse teams and vendors.

Highest-signal resume keywords
Linux System AdministrationOpenStack OperationsKubernetes ManagementPython ScriptingCI/CD Pipeline Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
LinuxOpenStackKubernetesPythonShell ScriptingJenkinsGitHubCloud InfrastructureServer MonitoringTroubleshooting
Soft Skills
Analytical SkillsProblem-Solving SkillsCommunication SkillsCollaboration SkillsCustomer Focus
Tools & Technologies
Dell HardwareHP HardwareBIOS/FirmwareCalicoCephMariaDBKVMContainersMonitoring ToolsNetwork Cloud
Certifications & Qualifications
Linux Systems Administration CertificationOpenStack CertificationKubernetes Certification
Industry Keywords
24x7 OperationsProduction EnvironmentHigh AvailabilityFault ToleranceScalabilityReliabilityService DegradationRoot Cause AnalysisConfiguration ChangesTechnical Solutions

Tech Stack

Tools & technologies
CloudJenkinsKubernetesLinuxMariaDBOpenStackPythonShell ScriptingSwift

About the role

Key responsibilities & impact
  • Perform 24x7 operations, administration, and maintenance of server infrastructure in AT&T’s Network Cloud Linux-based environment
  • Deploy software updates on a cloud platform comprising Linux OS, BIOS/firmware, OpenStack, Kubernetes, Calico, Ceph, MariaDB, and other software components
  • Perform feasibility assessments and create requirements
  • Manage projects and integrate and test technical solutions for software
  • Create, review, approve, and implement changes in the Network Cloud server environment
  • Restore applications and services in Network Cloud infrastructure during outages or service degradation from hardware, OpenStack, and OS perspectives
  • Deploy Network Cloud server infrastructure using Linux, OpenStack, and Kubernetes
  • Coordinate with OS vendors, development teams, and production support teams for root cause analysis and configuration changes
  • Coordinate with Dell and HP hardware vendors for faulty hardware replacement
  • Work in 24x7 rotational shift operations
  • Provide a high level of customer focus and support positive collaboration with peers, customers, clients, and vendors

Requirements

What you’ll need
  • 3-5 years’ related experience
  • 3-5 years of working experience on Production Environment
  • Ability to perform 24x7x365 operations, including night and weekend shifts
  • Broad-spectrum skill set across Linux, KVM, OpenStack, Kubernetes, Containers, Cloud Infrastructure platforms and monitoring of server infrastructure
  • Excellent troubleshooting and analytical skills in Linux, Cloud, OpenStack and Kubernetes environments
  • Experience operating and maintaining OpenStack modules including Keystone, Nova, Neutron, Swift, Cinder, Heat, Glance, Horizon, and Fuel
  • Knowledge of High Availability, DRS, Fault Tolerance, Scalability, Reliability, and shared resources
  • Python and shell scripting
  • Knowledge and understanding of CI/CD pipelines in Jenkins and GitHub
  • Experience coordinating with OS vendors, development teams, production support teams, and hardware vendors
  • Strong analytical, logical, and problem-solving skills
  • Ability to work across diverse teams, regions, and cultures
  • High level of coordination and communication skills (verbal and written)
  • 5 years’ experience in Linux System Administration
  • 1-3 years’ experience in Kubernetes
  • 1-3 years’ experience in Jenkins Pipeline Executing and Merging
  • 1-3 years’ experience in GitHub Repository Management
  • 5 years’ experience in Dell and HP x86-based hardware break/fix
  • Bachelor of Science in Computer Science, Electronics, Engineering or Communications preferred
  • Certification in Systems Administration of Linux, OpenStack and Kubernetes is preferable
  • AT&T will not hire applicants who require employer sponsorship now or in the future
  • No relocation is 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 phone