VINOTH VIJAYAKUMAR

Client: AT&T

Role: Azure Administrator, DevOps and Architect

• Projects: TAPM & AIOPS Operation Management
• Migrated 30 applications from on-prem to Azure environment using application gateways, enhancing application accessibility and scalability.
• Enabled Kubernetes-managed Azure Pods and containers, facilitating auto-scaling, private endpoint creation, and DNS zone creation for improved cluster performance.
• Administered user access and coordinated app cluster associations for TAPM, which delivered APM functionality for AT&T.
• Managed source control using Git/GitHub and configuration management tools within CI/CD pipelines, ensuring streamlined deployment processes.
• Deployment activities on On-prem and Azure clusters based on monthly or biweekly patches and new package upgradation using helm.
• Enabling automation using Shell scripting, Cron jobs, Repair job to truncate tables and Kafka connectors to get continuous data from Application APM tools to AIOPS.
• Vulnerability, Compliance & Remediations handled across the projects using Astra Cloud inspect.
• Enabled application URL and Private endpoint through ATT Bastion Conexus PLS.
• Administrative & periodic security maintenances activities on Linux/Unix based clusters in both Onprem and Azure environments
• Tools: Azure Devops, Azure Pipelines, TAPM, Git, GitHub, Jenkins, Terraform, Ansible, Maven, Kubernetes, Azure, Docker, Mysql server, Nagios, Azure App insights, Astra Cloud.

• Project: Devops – Integration Network Monitoring.
• Monitored MySQL DB servers, Pingfed reports, and Solarwinds APM tools for service interruption alerts, managed end-to-end incident resolution during production outages.
• Maintained Kubernetes services and pods in on-prem clusters to ensure active interfaces for maximum uptime and availability.
• Troubleshooting and creating new Jenkins pipelines, handled Maven builds and Terraform code to create new infrastructure & web based filelink interfaces, adding new Peer, Host Server, creating new NAT translations and also configuring 1:1 NAT rules on firewall for VPN tunnel”.
• Creating P2P, SSI VPNs & Application gateways, VPN, SFTP, Filelink-(SSO) based interface tunnels to securely transfer Health based records bi-directional.
• Built strong relationships with stakeholders and clients, provided biweekly project status updates.
• Tools: Nagios, Splunk, Terraform, Ansible, Maven, Grafana, Kibana, Git, GitHub, Solarwinds, kubernetes, Jenkins, Azure, Stablenet, Trello, Salesforce

• Managed Caretech-Noc operations, overseeing system administration and performance monitoring of storage and network errors, ensuring timely incident management for critical outages.
• Delivered L1 support via phone and remote desktop applications, promptly resolving user issues and improving service response times.
• Imaged and cloned systems for new requests, ensuring proper backup allocations to maintain data integrity and availability.
• Utilized tools such as Remedy, Solarwinds, and Prism

• Project: Noc Operation - Cluster Repair
• Managed ISP-based Fibre WAN clusters to ensure maximum uptime for all network components
• Managed patching of network elements in datacentres to maintain system integrity
• Installation and maintaining of L2, L3 Network components (Switches and connectors based on performances and Internet speed)
• Installed new static IPs and enabled port forwarding for WAN clusters
• Tools: Solarwinds, Nagios, Remedy, Putty, Linux