Nihar R.

Summary: • Over 5 years of strong experience as a LINUX/UNIX System Administrator and Production Support of various applications on SUN Solaris, Red Hat Linux and Windows environment. • Experience on Solaris 10/9/8/7 and RHEL 4/5/6 implementation Administration, Installation & Maintenance. • Upgrade and Maintain Firmware on IBM p5/p6 Servers, HMC, Sun Sparc Servers. • Web Application Server Tomcat, Apache, IBM Web Sphere, Web logic 8.0, 8.1. • Integration of various network related services like NFS, NIS, DNS, FPT and Samba Server. • Installation and configuration of Apache/Web logic on Solaris, Linux and Windows. • Enterprise Server administration of Sun Solaris and Linux Installations including Sun Fire series. • Expertise in the setup and administration of VERITAS Volume Manager and Clusters. • Configured Kickstart servers for complete hands-free installation of workstations, with custom profiles, begin/finish scripts and custom package suites/clusters. • Troubleshooting skills with network protocols such as DNS, TCP/IP, SMTP & SNMP. • Hands on experience with ticketing tools such as Remedy, BMC service desk express and Quick base. • Administration of networking devices such as Routers and switches. • Extensive implementation and troubleshooting experience under Client Server Systems. • Experience in writing basic Shell scripts using ksh, bash, perl, for process automation of databases, applications, backup and scheduling. • Strong technical background in Storage, Disk Management, Logical Volume Management (LVM) and logical partitioning. • Installation, configuration and maintenance of Sun and HP servers. • Management of User accounts, System security, change management and performance tuning. • Installation of SSL certificates Linux servers. • Monitoring and administering Sun-Solaris servers and Red hat Linux servers. • Installation of Patches, Hardware, software's and Firmware upgrades. • Ability to handle multiple tasks and work independently as well as a team member. • Provided on-call support and worked with Vendors on system issues and bugs for its resolution. • Proficient in System administration, System planning, co-ordination, commissioning, setting up security hierarchy and capacity planning. • Worked on flexible hours for production, backup and on-call support for 24/7 environments.