**Job Description:** 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 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, Electronics, Engineering or Communications preferred. Our Senior Systems Administration earns between $94,300 - $141,500 annually. 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. AT&T is leading the way to the future – for customers, businesses and the industry. We're developing new technologies to make it easier for our customers to stay connected to their world. Together, we’ve built a premier integrated communications and entertainment company and an amazing place to work and grow. Team up with industry innovators every time you walk into work, creating the world you always imagined. Ready to #transformdigital with us? Apply now! **Weekly Hours:** 40 **Time Type:** Regular **Location:** Alpharetta, Georgia It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T will consider for employment qualified applicants in a manner consistent with the requirements of federal, state and local laws We expect employees to be honest, trustworthy, and operate with integrity. Discrimination and all unlawful harassment (including sexual harassment) in employment is not tolerated. We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected veteran status or employment status