Sr Specialist System Engineering (ANT DevOpsInfra Engineer)

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 (hypermacromicro) 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. ) 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 (nfPL0nfPL4) to publish NF definitions build deployment configs deploy to NAKS and onboard to HCEV.

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

• Maintain perinstance configuration at scale (20 K8s instances) using realparameters- / input- 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 ( validation 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 repos packages knowledge and hands on experience

Preferred Qualifications

• Experience operating AOSM pipelines (nfPL0nfPL4) 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.