• Installing and configuring new Hardware (HP Synergy/Cisco USC).• Setup and Configured RedHat Satellite 5.x,6.x /Storix/Kickstart Servers for RedHat Enter-prise Linux 7/8 installs and RHN Push Updates.• Installing, configuring RedHat Linux virtual server using VMware Infrastructure.• Creating Templates for deployments.• Provisioning VMs through Ansible Tower.• Gathering requirements and Configuring servers for clients accordingly.• Managing Weekly/Monthly patch cycles on Prod/Dev/Train/Test environments.• Providing OS and hardware support to clients.• Deploying/Managing Citrix applications• Working with vendor to resolve issues.• Working on Incidents/Problems/Tasks/Change Requests to maintain workflow.• Working with tools team to setup thresholds in Zabbix.• Resolving problems and incidents as they occur, working with Level 1 and 3 support person-nel to ensure proper steps taken to resolve those problems and incidents, document newprocesses and procedures for use by other analysts working on similar applications.• Documenting processes and procedures relating to deployments, troubleshooting and envi-ronment maintenance for applications.• Running SQL queries to troubleshoot/resolve file processing issues.• Working with App/DB teams to resolve their user/performance/disk space issue.• Worked with application team and client for Data Center migration.• Working with clients to resolve the reports/file process issue.• Followed procedures for processing of batch files.• Working on file movement tool GoAnywhere to resolve the flow issues.• Working with security team to resolve vulnerability.• Leading team to fulfill projects, distribution of tasks to team members according to theirskill set.• Managing offshore team to provide 24/7 reliable support to clients.

• Setup and Configured Red Hat Satellite/Storix/Kickstart Servers for Red Hat Enterprise Lin- ux 6/7 installs and RHN Push Updates.• Deploy and Configure Red Hat Satellite Server 5.4/Spacewalk, including creating maintain- ing any customized kickstart configuration channels to deploy RHEL.• Installing and updating packages using YUM (custom YUM Servers/repositories), Red Hat Satellite Server.• Resolved and completed various maintenance tasks on UAT/Production servers and Apache software issues.• Write and Deploy bash/perl scripts using crontab to perform daily backups, audit collec- tion, and push new changes out to manage and maintain consistency across Redhat Enter- prise Linux servers.• Installation of tools like BigFix, Storix, NMon, ControlM, Teamquest, Bigsister.• Worked on VMs to change/add resources and installation of VMware tools• Worked with DBAs for Installation of packages on linux server required for Oracle installa-tion and setup the kernel parameters and ulimits• Create and extend the LVs, VG’s and PV’s.• Worked on security Vulnerabilities (scan and remediation)• Configure and maintain NFS Servers for both media and data sharing between servers andresolved any shared storage server issues.• Create and maintain ACL’s to allow only specific LAN computers to use squid, as well as uti-lizing access.log to test squid proxy.• Create any specific LVM’s for middleware developers as well as Database teams.• Configuring and Administering NFS, DNS, NIS, NIS+ and LDAP on RHEL server environment.• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red HatLinux servers using Satellite Server/Spacewalk.

• Provided 24/7 support in a 99.999 environment to maintain maximum uptime and ensure server reliability using monitoring products such as HPOM, Nagios, VCOPS, and Solar Winds.• Provided 24/7 support to Middleware application servers (JBoss, Weblogic, Tomcat), Web- servers (Apache, IIS, Oracle IPlanet) and Database servers (Oracle RAC, DB2, MS SQL, MySQL). Perform heap dump and thread pool analysis to resolve performance issues on JBossApplication Server.• Created and Setup monitoring bash shell/Perl scripts to monitor system resources, logs, disk usage, scheduling backups and restore.• Installed of ESXi 5.0 Hosts, vCenter Server, vCenter update manager and administering VM’s across 3 Datacenters running 2200 VM’s.• Managed a large ESX farm using Virtual Infrastructure client and used the said Virtual In- frastructure client to configure and support the ESX farm.• Upgraded various VMware GS based servers to ESX 3.0 based servers with SAN connectivity.• Setup environment based sudo permissions to allow developers to perform day to day ac-tivities including running start/stop scripts in development environment.• Built development Linux/LAMP servers including webservers, MySQL and Perl based solutionto assist developers.• Installed, Configured and Upgraded Red Hat Enterprise Linux 4.x to 5.x and configured var-ious patching schedules to meet patching criteria quarterly.• Analyzed, troubleshooted and resolved problems involving operating system issues, applica-tion issues, Web site issues, etc..• Installed physical hardware including any HBA and modified any kernel parameters to tunethe hardware as per the vendors request.• Installed RHEL directly on HP DL585/385 G5 Rack mount servers using PXE boot and ILO.