About The Company
Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications
The L3 OpenStack Administrator is responsible for ensuring reliable and secure cloud operations by managing advanced troubleshooting, performance tuning, upgrades, and incident resolution across all OpenStack services. The role focuses on maintaining high availability, optimizing infrastructure components, automating day2 operations, and supporting complex tenant and platform needs in a largescale OpenStack environment. The ideal candidate should have deep knowledge of RHEL, CentOS, Ubuntu, SUSE, Oracle Linux, along with cloud Linux workloads (AWS, GCP, Azure, OCI), containerization (Docker, Kubernetes, OpenShift), and automation (Ansible, Terraform, Python, Bash). Major Duties & Responsibilities:
- Design and implement highly available and scalable architecture using Red Hat OpenStack Platform.
- Manage and operate the production OpenStack environment across compute, storage, and networking services.
- Lead deployment, configuration, and lifecycle management of OpenStack clusters (including major/minor upgrades and patching).
- Experience in Cisco ESC (Elastic Services Controller) for endtoend VNF lifecycle management including deployment, monitoring, scaling, healing, and termination on OpenStack environments.
- Perform capacity planning for compute, storage, and networking resources
- Act as L3 escalation point for critical production incidents (P1/P2)
- Conduct deep troubleshooting of Nova, Neutron, Cinder, Glance, and Keystone services
- Diagnose and resolve complex issues related to RabbitMQ, MariaDB Galera, HAProxy, and Pacemaker clusters
- Optimize performance (CPU pinning, NUMA tuning, hugepages, IO/network optimization) on Red Hat Enterprise Linux
- Manage and troubleshoot storage backends including Red Hat Ceph Storage, iSCSI, and NFS
- Troubleshoot advanced networking issues (OVS/OVN, VLAN, VXLAN, LACP, bonding)
- Implement automation using Ansible and scripting (Bash/Python)
- Ensure high availability, disaster recovery readiness, and backup strategies
- Perform root cause analysis (RCA) and provide preventive action plans
- Define security hardening standards and implement RBAC policies
- Review and improve operational SOPs and documentation
- Experience in virtualization platform KVM, proxmox, VM Ware etc.
- Mentor L1/L2 engineers and lead technical discussions during major incident bridges Design and implement highly available and scalable architecture using Red Hat OpenStack Platform
- Lead deployment, configuration, and lifecycle management of OpenStack clusters (including major/minor upgrades and patching)
- Perform capacity planning for compute, storage, and networking resources
- Act as L3 escalation point for critical production incidents (P1/P2)
- Conduct deep troubleshooting of Nova, Neutron, Cinder, Glance, and Keystone services . Diagnose and resolve complex issues related to RabbitMQ, MariaDB Galera, HAProxy, and Pacemaker clusters
- Optimize performance (CPU pinning, NUMA tuning, hugepages, IO/network optimization) on Red Hat Enterprise Linux
- Manage and troubleshoot storage backends including Red Hat Ceph Storage, iSCSI, and NFS
- Troubleshoot advanced networking issues (OVS/OVN, VLAN, VXLAN, LACP, bonding)
- Implement automation using Ansible and scripting (Bash/Python)
- Ensure high availability, disaster recovery readiness, and backup strategies
- Perform root cause analysis (RCA) and provide preventive action plans
- Define security hardening standards and implement RBAC policies
- Review and improve operational SOPs and documentation . Mentor L1/L2 engineers and lead technical discussions during major incident bridges
