Roshan Zameer

Contribute 12 years of professional experience in IT industry with expertise in application support, DevOps, cloud technologies, and database administration.

• Supported telecom applications (TOMS, NRM, AMM, CM, OCS) in production environments.
• Oversaw continuous integration and continuous deployment processes to enhance software delivery. pipelines with Jenkins and GitLab to streamline automated build and deployment processes.
• Deployed and administered containerized applications on Red Hat OpenShift.
• Administered Docker containers to ensure efficient application deployment., OpenShift Pods, Deployments, Services, Routes, ConfigMaps, and Secrets.
• Performed deployments, rollbacks, hotfixes, and release validation across DEV, UAT, E2E, and PROD.
• Managed application artifacts in Nexus Repository.
• Monitored application and cluster health; performed root cause analysis using application and container logs to ensure system reliability.
• Applied SSL/TLS certificates and configuration updates in OpenShift environments.
• Coordinated releases and change management in alignment with Agile and ITIL practices to enhance deployment effectiveness.
• Collaborated with Development, QA, Infrastructure, and Client teams to resolve production issues.
• Prepared deployment documentation and provided KT sessions to team members.

• Installed, configured, migrated, and upgraded Oracle 11g, 12c, and 19c databases on Linux and Windows, enhancing system stability and accessibility.
• Administered Oracle RAC, Data Guard, and Oracle Database Appliance (ODA) environments to ensure data protection and high availability.
• Performed SQL performance tuning using SQL Tuning Advisor and SQL Profiles, optimizing query execution and improving database performance.
• Managed production Oracle databases, ensuring high availability and performance.
• Monitored database health, resolved production issues, and collaborated with infrastructure and application teams.
• Performed RMAN backup, recovery, Point-in-Time Recovery (PITR), and database refresh activities.
• Automated routine DBA tasks using Shell scripting and Cron jobs.

• Provided 24×7 production and non-production Oracle Database administration and support.
• Performed Oracle Database installation, configuration, upgrades, and patching using OPatch.
• Managed Oracle Data Pump (EXPDP/IMPDP) for database, schema, and table migrations and refresh activities.
• Installed and administered Oracle ASM and 2-Node Oracle RAC environments.
• Monitored database performance, storage utilization, and capacity planning to ensure optimal system functionality.
• Administered database users, roles, privileges, and security using GRANT and REVOKE.
• Performed online and offline RMAN backups and recovery operations.
• Monitored alert logs, trace files, and database health to proactively identify and resolve issues.
• Diagnosed and resolved database performance bottlenecks and corruption, minimizing production incidents.
• Supported high-availability production databases, maintaining maximum uptime and compliance with SLAs.