* 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.