• Installation, Configuration, Maintenance and Administration of Web components (Apache and Tomcat Servers)and Siteminder configurations.• Integration of Apache with Tomcat, URL redirection. Basic knowledge of load balancing in tomcat app server.• Installation of Oracle Client on servers.• Linux server administration, troubleshooting and tuning.• Providing support over Solaris and Red Hat Linux.• Troubleshoot various issues reported by users while using application.• Experience with shell scripting.• Monitoring of UNIX (Linux/Solaris) servers continuously through scripts & Nagios and resolving the system related problems.• Experience with network configuration, troubleshooting, monitoring, including TCP/IP, IPv6, Load Balancers (Pound & F5) and DNS.

• Installation, Configuration, Maintenance and Administration of qmail, Zimbra, vpopmail and Nagios on various Linux Servers and day to day system admin tasks.• Configuration of Web Servers, Virtual Web Servers (Apache) and provided support to Web Servers.• Linux server administration, troubleshooting and tuning.• Perform day to day job scheduling using Cronjob.• Configured MTA (Mail Transfer Agent) to send and receive mails.• Installation, Configuration, Maintenance and Administration of DNS.• Worked extensively on troubleshooting of qmail and Zimbra.• Working experience with MYSQL and Postgres.• Responsible to troubleshoot ticket from client and provided RCA.• Restore backup and migrated successfully.• Migrated more than 100 Windows machines to Ubuntu.• Work in ticketing environment and provided 24*7 support to clients for Web servers and Mail Servers.