Managed and supported 15+ RHEL production servers across global environments, ensuring 99.9% system
availability for critical telecom billing applications.
✦ Monitored server health (CPU, memory, disk, network) and proactively resolved performance issues, reducing
unplanned downtime by 20% while meeting SLA targets.
✦ Handled end-to-end P1/P2 incident management including triage, troubleshooting, resolution, and post-incident
RCA, leading to a 30% reduction in repeat incidents.
✦ Automated routine operational tasks using Bash scripting and Cron jobs, improving efficiency and reducing
manual effort.
✦ Performed production deployments and release activities in coordination with Dev and QA teams, ensuring
smooth and zero-defect releases.
✦ Executed OS patching, security updates, and preventive maintenance on RHEL servers to maintain system
stability and compliance.
✦ Worked in 24x7 rotational shifts supporting business-critical production systems.
✦ Supported Oracle database operations, including data extraction using SQL queries and integration with shell
scripts for reporting.
✦ Managed SFTP file transfers and batch job scheduling (AppWorx, Cron) to ensure timely execution of critical
workflows.
✦ Conducted log analysis and troubleshooting to resolve application and system-level issues during production
outages.
✦ Led server migration and downtime activities, performing validations to ensure zero data loss and smooth
transitions.
✦ Prepared and shared daily operational and performance reports for business and leadership stakeholders.
✦ Collaborated with cross-functional teams during major incidentsto ensure high availability of revenue-impacting
systems