This is a full-time onsite role based in the location(s) posted and is performed from the designated work location five days per week. No relocation is offered.

AT&T will not hire any applicants for this position who require employer sponsorship now or in the future.

Join AT&T and help shape the future of communications and technology that connect the world. We value innovators who seek to explore the unknown and challenge the status quo. Bring your bold ideas and fearless spirit to redefine connectivity and transform how people share stories and experiences. At AT&T, you won’t just imagine the future—you’ll build it.

What you’ll do:

• Performs work focusing on software, maintenance, and operations of systems used by AT&T or its clients to conduct business.
• Performs feasibility assessments, creates requirements, manages projects, and integrates and tests technical solutions for software.

What you’ll need:

As a Senior Systems Administration in the Network Cloud Operations organization, you will be responsible for 24x7 operations, administration and maintenance of server infrastructure in AT&T’s NC (Network Cloud) Linux based environment. This job performs deployment of software updates on this cloud platform comprised of Linux OS, BIOS/ firmware, OpenStack, Kubernetes, Calico, Ceph, Maria DB and other software components.

What you’ll bring:

• Required Experience:
  • 3-5 years’ related experience
  • 24x7x365 operations and can include night and weekend shifts

• Required Qualifications:
  • 3-5 years of working experience on Production Environment
  • Broad-spectrum skill set across Linux, KVM, OpenStack, Kubernetes, Containers, Cloud Infrastructure platforms and monitoring of the server Infrastructure.
  • Excellent trouble-shooting and analytical skills in Systems Administration of Linux, Cloud, OpenStack and Kubernetes environment.
  • Well versed and worked on operations and maintenance of OpenStack modules like Keystone, Nova, Neutron, Swift, Cinder, Heat, Glance, Horizon, and Fuel.
  • Well versed with concepts like High Availability, DRS, Fault Tolerance, Scalability, Reliability, shared resources etc.
  • Creating, reviewing, approving, and implementing changes in NC server environment.
  • Restoration of applications/services in NC infrastructure from hardware/ OpenStack/ OS perspective in outage / service degradation scenarios.
  • Python & shell scripting.
  • Deployment of NC Server infrastructure (Linux, OpenStack & Kubernetes).
  • Knowledge and Understanding of CI/CD Pipeline in Jenkins, GitHub
  • Coordination with OS vendors, development teams, production support teams for root cause analysis, configuration changes etc.
  • Coordination with hardware vendors (Dell, HP) for faulty Hardware replacement.
  • High level of customer focus, to provide effortless customer experience. Should display a positive attitude working with various peers/ customers / clients/ vendors etc.
  • Work in 24x7 rotational shift operations.
  • Strong analytical/logical/problem solving skills.
  • Work across diverse teams across regions/cultures.
  • Certification in Systems Administration of Linux, Open Stack and Kubernetes is preferable.
  • The candidate should have high level of coordination and communication skills (verbal and written).

• Required Technical Skills:
  • 5 years’ experience in Linux System Administration
  • 1-3 years’ experience in Kubernetes
  • 1-3 years’ experience in Jenkins Pipeline Executing and Merging (Cert Rotations, OS and Code Upgrades, Firmware upgrades)
  • 1-3 years’ experience in GitHub Repository Management
  • 5 years’ experience in Dell and HP x 86 based Hardware Break/fix

• Desired Technical Skills:
  • 1-3 years’ experience in CI/CD Code Upgrades, Firmware upgrades)
  • 1-3 years’ experience in Nagios
  • 1-3 years’ experience in Prometheus
  • 1-3 years’ experience in Grafana
  • 1-3 years’ experience in Kibana
  • 1-3 years’ experience in API
  • 1-3 years’ experience in Ceph           
  • 1-3 years’ experience in OpenStack
  • 1-3 years’ experience in Ansible
  • 1-3 years’ experience in TCP/IP Networking
  • 1-3 years’ experience in Calico
  • 1-3 years’ experience in SSL/TLS Certificates

• Desired Education:
  • Bachelor of Science in Computer Science, Electronics, Engineering or Communications preferred.

Supervisory: No

Our Senior Systems Administration jobs earn between $106,100.00 - $159,100.00 USD Annual. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.

Joining our team comes with amazing perks and benefits:

• 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

Weekly Hours:

40

Time Type:

Regular

Location:

Alpharetta, Georgia

Salary Range:

$106,100.00 - $159,100.00

AT&T and its subsidiaries are committed to equal employment opportunity. All hiring, promotion, and other employment decisions remain merit-based and free from discrimination on the basis of race, color, religion, religious creed, national origin, ancestry, age, sex, sexual orientation, gender, gender identity, gender expression, physical disability, mental disability, pregnancy, medical condition, genetic information, marital status, citizenship status, military status, veteran status, or any other characteristic protected by federal, state, or local laws. In addition, AT&T will provide reasonable accommodations to qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. Click here to learn more or request an application accommodation here.

Job ID R-127188 Date posted 10/30/2026