AT&T · 11 hours ago
Senior Systems Administration
AT&T is a leading telecommunications company, and they are seeking a Senior Systems Administrator to manage and maintain their server infrastructure in a Linux-based cloud environment. The role involves deployment of software updates, troubleshooting, and ensuring high availability of services while coordinating with various teams and vendors.
CollaborationCommunications InfrastructureMobileService IndustryTelecommunicationsWireless
Responsibilities
Responsible for 24x7 operations, administration and maintenance of server infrastructure in AT&T’s NC (Network Cloud) Linux based environment
Perform deployment of software updates on this cloud platform comprised of Linux OS, BIOS/ firmware, OpenStack, Kubernetes, Calico, Ceph, Maria DB and other software components
Perform work focusing on software, maintenance, and operations of systems used by AT&T or its clients to conduct business
Perform feasibility assessments, creates requirements, manages projects, and integrates and tests technical solutions for software
Utilize Linux, KVM, OpenStack, Kubernetes, Containers, Cloud Infrastructure platforms and monitoring of the server Infrastructure
Use trouble-shooting and analytical skills in Systems Administration of Linux, Cloud, OpenStack and Kubernetes environment
Operate and maintain OpenStack modules including Keystone, Nova, Neutron, Swift, Cinder, Heat, Glance, Horizon, and Fuel
Utilize knowledge in High Availability, DRS, Fault Tolerance, Scalability, Reliability, shared resources
Create, review, approve, and implement changes in NC server environment
Restore applications/services in NC infrastructure from hardware/ OpenStack/ OS perspective in outage / service degradation scenarios
Use programing language including Python & shell scripting
Deploy NC Server infrastructure (Linux, OpenStack and Kubernetes)
Apply understanding of CI/CD Pipeline in Jenkins, GitHub
Coordinate with OS vendors, development teams, production support teams for root cause analysis, configuration changes
Coordinate with hardware vendors (Dell, HP) for faulty Hardware replacement
Qualification
Required
Requires a Bachelor's degree, or foreign equivalent degree in Applied Computer Science, Electronic Engineering, or Computer Science
three (3) years of experience in the job offered or three (3) years of experience in a related occupation utilizing Linux, KVM, OpenStack, Kubernetes, Containers, Cloud Infrastructure platforms and monitoring of the server Infrastructure
using trouble-shooting and analytical skills in Systems Administration of Linux, Cloud, OpenStack and Kubernetes environment
operating and maintaining of OpenStack modules including Keystone, Nova, Neutron, Swift, Cinder, Heat, Glance, Horizon, and Fuel
utilizing knowledge in High Availability, DRS, Fault Tolerance, Scalability, Reliability, shared resources
creating, reviewing, approving, and implementing changes in NC server environment
restoring applications/services in NC infrastructure from hardware/ OpenStack/ OS perspective in outage / service degradation scenarios
using programing language including Python & shell scripting
deploying NC Server infrastructure (Linux, OpenStack & Kubernetes)
applying understanding of CI/CD Pipeline in Jenkins, GitHub
coordinating with OS vendors, development teams, production support teams for root cause analysis, configuration changes
coordinating with hardware vendors (Dell, HP) for faulty Hardware replacement
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 phon
Company
AT&T
AT&T is a telecommunications company that provides wireless communications, internet and digital television services.
H1B Sponsorship
AT&T has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (575)
2024 (586)
2023 (282)
2022 (450)
2021 (271)
2020 (162)
Funding
Current Stage
Public CompanyTotal Funding
$5.04BKey Investors
National Telecommunications and Information Administration
2025-09-19Post Ipo Debt· $5B
2024-02-12Grant· $42.3M
2023-01-19Grant· $2.2M
Leadership Team
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