Senior Systems Administration

AT&T•Alpharetta, GA

4d•Onsite

About The Position

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 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

Requirements

3-5 years’ related experience 24x7x365 operations and can include night and weekend shifts
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.
Python & shell scripting.
Knowledge and Understanding of CI/CD Pipeline in Jenkins, GitHub
High level of customer focus, to provide effortless customer experience.
Should display a positive attitude working with various peers/ customers / clients/ vendors etc.
Strong analytical/logical/problem solving skills.
The candidate should have 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 (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

Nice To Haves

Certification in Systems Administration of Linux, Open Stack and Kubernetes is preferable.
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
Bachelors of Science in Computer Science, Electronics, Engineering or Communications preferred.

Responsibilities

24x7 operations, administration and maintenance of server infrastructure in AT&T’s NC (Network Cloud) Linux based environment.
Deployment of software updates on this cloud platform comprised of Linux OS, BIOS/ firmware, OpenStack, Kubernetes, Calico, Ceph, Maria DB and other software components.
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.
Deployment of NC Server infrastructure (Linux, OpenStack & Kubernetes).
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.
Work in 24x7 rotational shift operations.
Work across diverse teams across regions/cultures.

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