Senior Systems Administrator

AT&T

Systems Administrator managing 24x7 operations of server infrastructure in AT&T's Network Cloud Linux environment. Coordinating deployments and troubleshooting cloud platforms with various technical tools.

Posted 4/30/2026full-timeAlpharetta • 🇺🇸 United StatesSenior💰 $115,000 - $159,100 per yearWebsite

Tech Stack

Tools & technologies

CloudJenkinsKubernetesLinuxOpenStackPythonShell Scripting

About the role

Key responsibilities & impact

Responsible for 24x7 operations, administration, and maintenance of server infrastructure in AT&T’s NC (Network Cloud) Linux-based environment.
Perform deployment of software updates on cloud platform comprised of Linux OS, BIOS/ firmware, OpenStack, Kubernetes, Calico, Ceph, Maria DB and other software components.
Perform work focusing on software, maintenance, and operations of systems.
Perform feasibility assessments, create requirements, manage projects, and integrate and tests technical solutions for software.
Utilize Linux, KVM, OpenStack, Kubernetes, Containers, Cloud Infrastructure platforms and monitor the server Infrastructure.
Apply trouble-shooting and analytical skills in Systems Administration of Linux, Cloud, OpenStack, and Kubernetes environment.
Apply knowledge in operations and maintenance of OpenStack modules.
Apply knowledge with concepts including High Availability, DRS, Fault Tolerance, Scalability, and Reliability.
Create, review, approve, and implement changes in NC server environment.
Apply knowledge in restoration of applications/services in NC infrastructure from hardware/ OpenStack/OS perspective in outage /service degradation scenarios.
Utilize Python and shell scripting.
Apply knowledge with deployment of NC Server infrastructure including Linux, OpenStack and Kubernetes.
Apply knowledge of CI/CD Pipeline in Jenkins and GitHub.
Coordinate with OS vendors, development teams, and production support teams for root cause analysis and configuration changes.
Coordinate with hardware vendors for faulty Hardware replacement.

Requirements

What you’ll need

Requires a Bachelor degree, or foreign equivalent degree, in Information Systems Technology, Computer Science, Computer Engineering, or Electronics Engineering and 3 years of experience in the job offered or 3 years of experience in a related occupation utilizing Linux, KVM, OpenStack, Kubernetes, Containers, Cloud Infrastructure platforms and monitoring of the server Infrastructure; applying trouble-shooting and analytical skills in Systems Administration of Linux, Cloud, OpenStack, and Kubernetes environment; applying knowledge in operations and maintenance of OpenStack modules; applying knowledge with concepts including High Availability, DRS, Fault Tolerance, Scalability, and Reliability; creating, reviewing, approving, and implementing changes in NC server environment; applying knowledge in restoration of applications/services in NC infrastructure from hardware/ OpenStack/OS perspective in outage /service degradation scenarios; utilizing Python and shell scripting; applying knowledge with deployment of NC Server infrastructure including Linux, OpenStack and Kubernetes; applying knowledge of CI/CD Pipeline in Jenkins and GitHub; coordinating with OS vendors, development teams, and production support teams for root cause analysis and configuration changes; coordinating with hardware vendors for faulty Hardware replacement.

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 phone

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

LinuxKVMOpenStackKubernetesContainersCloud InfrastructurePythonshell scriptingCI/CD PipelineJenkins

Soft Skills

trouble-shootinganalytical skillsproject managementcoordination