Sr Specialist System Engineering (4G/5G-ANT DevOps/Infra Engineer)

Posted 7 Days Ago
Be an Early Applicant
2 Locations
In-Office
Senior level
Internet of Things • Mobile • Retail
The Role
Lead offshore DevOps and infrastructure support for telecom network simulators across lab and production environments. Design Azure DevOps CI/CD pipelines, maintain Helm and Ansible automation, manage Kubernetes deployments, secrets, certificates, storage, networking, and hybrid infrastructure using OpenStack and Azure IaC. Coordinate environment promotions, repository governance, observability, incident response, backup and restoration, supply-chain security, and AOSM lifecycle pipelines. Build AI-assisted tooling for diagnostics, automation, and self-healing operations while collaborating daily with U.S. stakeholders.
Summary Generated by Built In

Job Responsibilities 

  • Serve as the primary offshore DevOps/Infra support lead for Automation Tools and 4G/5G Core Network Simulators across NPRD/Labs and PROD environments.  

  • Design, build, and maintain Azure DevOps CI/CD pipelines using a 3tier (hyper→macro→micro) architecture to automate packaging, publishing, and deployments.  

  • Develop and maintain Helm v3 (OCI) charts for application and infra components; package/publish artifacts to JFrog Artifactory OCI.  

  •  Automate Kubernetes deployments via Python orchestration (e.g., deploy.py), including config substitution, sequencing, and postdeploy health checks.  

  • Own secrets management endtoend: Ansible Vault encryption, HashiCorp Vault runtime retrieval (AppRole/KV), and token rotation with zeroplaintext controls. 

  • Provision and operate infrastructure: KVM/QEMU/libvirt VM lifecycle on Simzone hosts; implement SRIOV passthrough and host networking configurations.  

  • Author/maintain InfrastructureasCode using OpenStack HEAT (onprem VM provisioning) and Azure Bicep (NAKS/AON resources).  

  • Configure advanced K8s networking and security: Multus NADs (multiNIC pods), MetalLB L2 VIPs, Calico policies, SRIOV for performance I/O.  

  • Manage storage and stateful services: RookCeph provisioning (RWX/RWO), localstorage for singlenode clusters, PVC sizing, and storage class governance.  

  • Build/maintain large Ansible automation footprint (deployment, upgrades, backup/restore, mechID mgmt, vault operations, compliance tasks).  

  • Operate AOSM lifecycle pipelines (nfPL0→nfPL4) to publish NF definitions, build deployment configs, deploy to NAKS, and onboard to HCEV.  

  • Drive environment promotion (NPRD→PROD): release branching, versioning updates, quarterly release coordination, and consistency across lab/preprod/prod.  

  • Maintain perinstance configuration at scale (20+ K8s instances) using realparameters-values.json / input-values.json and enforce correctness across environments. 

  • Implement observability and verification: deploy kubeprometheusstack, integrate DevOps metrics (DORA Build Events API), and standardize service health checks.  

  • Own certificate lifecycle management via certmanager and vaultissuer patterns, including rotation workflows and Vault PKI integration.  

  • Maintain supplychain security artifacts (bom.yaml validation, images.json version tracking, reproducible builds with pinned versions).  

  • Administer multirepo governance (30+ repos across GitHub + ADO): branch protections, PR governance, and crossrepo dependency coordination.  

  • Build AIassisted DevOps tooling (agentic workflow with specialized agents) to accelerate analysis, pipeline engineering, diagnostics, and selfhealing operations.  

  • Provide incident response and operational troubleshooting: kubectl diagnosis, log analysis, NF status checks, backup/restore execution, and chaos testing support.  

 

Job Qualifications / Required Qualifications 

  • Handson experience operating Kubernetes platforms and production-grade CI/CD pipelines (Azure DevOps, GitHub/GitOps).  

  • Strong automation skills in Python , Ansible, and Bash for deployment orchestration and operational tooling.  

  • Deep experience with Helm 3 (OCI) packaging and release management; artifact publishing (JFrog Artifactory OCI).  

  • Expertise in secrets management (HashiCorp Vault + Ansible Vault), credential rotation, and secure repo practices.  

  • Experience with infrastructure provisioning and IaC (OpenStack HEAT and/or Azure Bicep) across hybrid environments.  

  • Strong troubleshooting and incident management skills across K8s clusters, networking, and stateful services.  

  • Working knowledge of advanced K8s networking/storage (Multus, SRIOV, MetalLB, Calico; RookCeph/local storage).  

  • Understanding of 5G/LTE telecom networking fundamentals and containerized NF operational needs (e.g., DPDK / SCTP / GTP considerations). 

  • IP/Networking/routing/firewalls/Ubuntu repo's packages knowledge and hands on experience   

 

Preferred Qualifications 

  • Experience operating AOSM pipelines (nfPL0→nfPL4) and NF onboarding workflows into NAKS/AON/HCEV environments.  

  • Experience managing KVM/QEMU/libvirt VM fleets on baremetal, including SRIOV passthrough and host networking.  

  • Experience with supplychain security artifacts (BOM generation/validation, digest pinning, reproducible builds).  

  • Proven ability to manage large-scale repo/pipeline governance across many repos with strong PR/branch policy discipline.  

  • Experience building or integrating AIassisted DevOps workflows for diagnostics, automation, and operational selfhealing. 

Additional Job Information 

This is an offshore role that requires daily collaboration with U.S. stakeholders, including overlapping work hours to ensure effective partnership and meet business needs. 

Weekly Hours:

40

Time Type:

Regular

Location:

IND:KA:Bangalore / Epip Area, Hoodi Village, Whitefield Rd - Eqp: Plot 111/112, Epip Area, Hoodi Village, Whitefield Road

AT&T and its subsidiaries are committed to equal employment opportunity. All hiring, promotion, and other employment decisions remain merit-based and free from discrimination on the basis of race, color, religion, religious creed, national origin, ancestry, age, sex, sexual orientation, gender, gender identity, gender expression, physical disability, mental disability, pregnancy, medical condition, genetic information, marital status, citizenship status, military status, veteran status, or any other characteristic protected by federal, state, or local laws. In addition, AT&T will provide reasonable accommodations to qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. Click here to learn more or request an application accommodation here.

Skills Required

  • Hands-on experience operating Kubernetes platforms and production-grade CI/CD pipelines using Azure DevOps, GitHub, or GitOps
  • Strong automation skills in Python, Ansible, and Bash
  • Deep experience with Helm 3 OCI packaging and release management, including JFrog Artifactory OCI publishing
  • Expertise in HashiCorp Vault, Ansible Vault, credential rotation, and secure repository practices
  • Experience with infrastructure provisioning and infrastructure as code using OpenStack HEAT and/or Azure Bicep
  • Strong troubleshooting and incident management skills across Kubernetes clusters, networking, and stateful services
  • Working knowledge of Multus, SR-IOV, MetalLB, Calico, Rook-Ceph, and local Kubernetes storage
  • Understanding of 5G/LTE telecom networking fundamentals and containerized network function operations, including DPDK, SCTP, and GTP considerations
  • Knowledge and hands-on experience with IP networking, routing, firewalls, and Ubuntu repository packages
  • Experience operating AOSM pipelines and network function onboarding into NAKS, AON, or HCEV environments
  • Experience managing KVM, QEMU, and libvirt VM fleets on bare metal, including SR-IOV passthrough and host networking
  • Experience with supply-chain security artifacts, BOM validation, digest pinning, and reproducible builds
  • Ability to manage large-scale repository and pipeline governance with PR and branch policy discipline
  • Experience building or integrating AI-assisted DevOps workflows for diagnostics, automation, and operational self-healing

AT&T Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about AT&T and has not been reviewed or approved by AT&T.

  • Healthcare Strength Health coverage spans medical, dental, vision, and mental health services, plus a personal healthcare team, wellness apps, and supplemental options such as fertility care, cancer support, doula services, and wigs for chemotherapy. These comprehensive offerings are portrayed as supporting a wide range of employee needs.
  • Leave & Time Off Breadth Paid time off includes vacation, holidays, sick days, caregiver time, parental leave, and adoption assistance, with some roles reaching about 23 days of PTO after several years. Community volunteer days and flexible time off options add further support for work-life balance.
  • Wellbeing & Lifestyle Benefits Employees receive sizable service discounts like 50% off most wireless plans and broadband, along with savings on travel, event tickets, and insurance. Additional workplace perks such as hybrid work models and relocation assistance contribute to overall value.

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The Company
HQ: Dallas, TX
150,000 Employees

What We Do

Bring us your biggest career aspirations. Share your boldest dreams. This is a moment to get energized. Through 5G and Fiber, AT&T provides connectivity that leads to smarter homes, safter communities, higher quality health care and more life-changing innovations. With AT&T, Connecting Changes Everything.

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