• Supported Linux environment with around 200+ servers running Red hat Linux• Installing, tuning, troubleshooting and patching of Red Hat servers• Experience in installing, configuring, and troubleshooting Apache HTTP/HTTPS• Monitoring server performance and troubleshooting server related issue to TCP/IP networking issue• Worked extensively with Network File System (NFS) for storage.• Decommissioning of the old servers and keeping track of decommissioned and new servers• Performed installation, configuration and hardening of Linux servers, working with security team to address vulnerability assessments• Leverage LVM utility commands to manage SAN storage such as creating physical volumes, volume groups, and logical volumes.• Install and configure RHEL 6/7 virtual machines running on VMware • Create, clone Virtual Machines, manage templates, and migrating servers between ESX hosts.• Evaluate and prepare recommendations for system improvements, optimization, development, and/or maintenance efforts.• System performance tuning and basics in monitoring, analyzing system and application logs, vulnerability assessments.• Supported production and development databases with 24x7 on call rotation to resolve application issues.• Troubleshooting day to day system and user problems including resolving issue tickets and documentation. • Worked in collaboration with the customer to ensure they had the most up-to-date information.

• Maintain servers through patch management and system maintenance• Configure and troubleshoot network services including DNS, DHCP and Static IP’s• Install and configure Apache on Red Hat servers• Install, upgrade and perform troubleshooting on software applications• Manage virtualized servers with VMware • Perform YUM package installs• Setup new user and group logins, set permissions, and troubleshoot user problems• Create and edit firewall rules for new servers to enable communication & security• Monitor and control disk space usage• Manage space on the servers using LVM• Helped students build, install, configure, and deploy Redhat 7 & 8 servers• Helped students configure domain settings, server name, TCP/IP settings, and remote desktop.• Performed users and group administration, role-based access control, archiving, file transfer and sharing.• Managed storage, partitioned disks, deployed VDO, LVM, Swap, and automounted file systems using NFS.