Senior Systems Administration

Job Description:

“This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted.  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 reimagine the communications and technologies that connect the world. Our Consumer Technology experience team is delivering innovative and reliable technology solutions to power differentiated, simplified customer experiences. Bring your bold ideas and fearless risk-taking to redefine connectivity and transform how the world shares stories and experiences that matter. When you step into a career with AT&T, you won’t just imagine the future-you’ll create it.

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.

Key Roles and Responsibilities:

• 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.

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 Additional Technical Skills:

• 1-3 years’ experience in CI/CD 

• 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 Qualification:

• Bachelor's of Science in Computer Science,