Sabarinathan M

Experience

• 

  Cognisive

  Aug 2019 - now

  ESX & VMware Patching:Efficiently manage ESX cluster and VMware patching for security and stability.Linux & Windows Patching:Coordinate and execute patching from development to production, ensuring system reliability.Ansible Automation:Develop and maintain Ansible playbooks for consistent deployments.Application Upgrades:Oversee major application upgrades with minimal disruption.Monitoring Tools:Configure and manage alerts in various monitoring tools for timely issue detection.TeamCity Deployment Troubleshooting:Resolve deployment-related issues in TeamCity for efficient pipeline management.Swagger Documentation & Service Registry:Maintain Swagger documentation and service registry for API management.SSL Renewal & Management:Manage SSL renewal process for secure services.vSphere VM Management:Handle VM provisioning, decommissioning, and scaling in vSphere.Server Administration:Administer Linux and Windows servers for optimal performance.Infrastructure Management:Manage large-scale infrastructure comprising 3000+ servers.F5 Load Balancer Configuration:Configure F5 Load Balancers for efficient traffic distribution.CloudWatch Alert Monitoring:Monitor CloudWatch alerts for prompt issue resolution in AWS.Secrets Management:Securely manage secrets in Device42 and Vault for data protection.Jams Job Setup & Troubleshooting:Setup and troubleshoot Jams Jobs for smooth operation.Windows AD Access Provisioning:Provision access in Windows Active Directory with proper permissions.Tier III Coordination:Coordinate with Tier III during outages for issue escalation.Daily Standup Call Presentation:Present daily standup calls to clients for transparency and alignment.Change Management Ticket Handling:Manage change management tickets for smooth implementation.Technical Documentation:Document technical works in Confluence for future reference. Show less * Monitoring all infrastructure-related alerts, utilizing tools such as Logic Monitor, OpsGenie, Wavefront, Sumo Logic, New Relic, Rollbar, and DataDog.* Handling monitoring tool alerts by promptly escalating, investigating, and resolving issues to maintain system stability and reliability.* Compiling and presenting the NetOps Standup page in Confluence for daily standup calls, ensuring clear communication and alignment among team members.* Maintaining comprehensive Runbooks for all issues on Confluence, providing detailed instructions for troubleshooting and resolution.* Participating in Incident Management, collaborating with onsite teams to address Sev-I and Sev-II issues efficiently and effectively.* Recording incidents in JIRA, tracking timelines, conducting root cause analysis (RCA), and ensuring timely closure of tickets.* Coordinating with Tier II during patching activities, ensuring minimal disruption to operations.* Following standard escalation processes for all issues and liaising with onsite teams as necessary.* Managing calendar notifications for the netops team regarding partner maintenance windows, ensuring team awareness and preparedness.* Proactively following up on open backlog tickets with service owners and users, ensuring timely resolution.* Sending OnCall rotation notifications every Wednesday and closing Deboard Tickets weekly on Saturdays.* Handling site monitoring and addressing hardware-related issues to maintain operational efficiency.* Taking ownership of tickets in the ops-noc bin and providing initial acknowledgment on Slack channels.* Conducting AD Audit reports and quarterly reviews of Data center switch and Cyxtera access.* Performing semi-annual reviews of Google Cloud Admin's group audit.* Conducting initial troubleshooting of alerts before escalating to Tier II & III teams to minimize downtime and impact. Show less

  • CloudOps Engineer

    Dec 2021 - now

  • System Engineer

    Aug 2019 - Dec 2021