Senior Systems Administration

AT&T Mobility Services; Alpharetta (GA); Presencial; USD 106.000 - 159.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Medical/Dental/Vision coverage

401(k) plan

Tuition reimbursement

Paid Time Off and Holidays

Parental Leave

Caregiver Leave

Adoption Reimbursement

Disability Benefits

Life Insurance

Descripción de la vacante

AT&T Mobility Services seeks a Senior Systems Administrator to lead 24x7 operations and maintenance of Linux-based server infrastructure in the Network Cloud. The role covers OpenStack, Kubernetes, and related CI/CD processes.

Qualifications include 3–5 years in production environments, strong Linux skills, and experience with OpenStack modules. This onsite position is based in Alpharetta, GA, with no sponsorship offered.

Formación

• 5 years' experience in Linux System Administration.
• 3+ years' experience with Kubernetes.
• 1–3 years' experience with Jenkins pipelines, OS/code upgrades.
• 1–3 years' experience with GitHub repositories.
• 5 years' experience with Dell/HP x86 hardware break/fix.

Responsabilidades

• 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.
• As a Senior Systems Administration in the Network Cloud Operations organization, you will oversee 24x7 operations and maintenance of Linux-based server infrastructure.

Conocimientos

Linux systems administration

Kubernetes

Jenkins pipeline

GitHub repo management

Dell/HP hardware

CI/CD tooling

OpenStack

Python & shell scripting

Networking (TCP/IP)

Educación

Bachelor of Science in Computer Science, Electronics, Engineering or Communications

Herramientas

OpenStack

Kubernetes

Jenkins

GitHub

Nagios

Prometheus

Grafana

Kibana

Ceph

Ansible

Calico

SSL/TLS certificates

Descripción del empleo

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 il