Managed Linux and Windows servers, ensuring high availability and performance for critical business applications.Automated routine tasks and system maintenance using Shell and Python scripts, reducing manual intervention and improving reliability.Oversaw web server migrations and management, including JBoss, Tomcat, and Apache, supporting secure and optimized deployments.Administered databases (Oracle, SQL Server, MySQL, Sybase) and performed regular backups and restorations to ensure data integrity.Configured and monitored industrial schedulers (Control-M/BMC) to manage job workflows across multiple environments.Implemented monitoring dashboards and alerts using Zabbix and Grafana to track system health, availability, and performance metrics.Managed security and access controls through LDAP, Active Directory, Kerberos, firewall rules, and reverse proxy configurations.Supported containerized deployments, collaborating with DevOps teams to streamline CI/CD pipelines.Delivered knowledge sharing and training sessions to team members, promoting operational excellence and adherence to best practices.