Software Technology International, Client Invitrogen Corporation System Administrator Nov 04 – Till Date

· Installed and Maintained Solaris 8/9 on Sun Enterprise Servers. Installed Redhat Fedora Core 2 on intel platform. Also installed and maintained Windows 2003 servers.

· Configured and Maintained Cisco Routers and Switches. Configured VLAN database. Implemented fiber channel on host adapter in catalyst switches.

· Installed and configured LDAP and Samba for Sun Solaris and Red Hat Linux.

· Configured DNS Primary, Secondary and DNS clients. Setup data transfers between primary and secondary DNS servers. Setup map transfers between primary and secondary DNS servers.

· Installed, Configured and Maintained Veritas Net Backup and performed restores. Performed Disaster recovery on client system using Backup disks.

· Installed Veritas Volume manager 3.5 on enterprise servers. Replaced failed disks using luxadm, vxdctl, vxdiskadm commands.

· Installed and Configured Apache 2.0 and Tomcat on Solaris. Integrated both of them using mod_jk connectors. Increased the performance of Web Servers with apache configuration files.

· Provided oracle database support. Did performance tuning for the database.

· Wrote shell scripts for the syncing file system from one server to multiple servers.

· Ensured High availability of mission critical applications using clustering software like Veritas Cluster Server (VCS), Sun Cluster 3.0 and in-house HA solution.


PMR Software Technology, Client MeriBay System Administrator Jul 01 – Oct 04

· Installed and Maintained UNIX (Solaris 2.6, 2.7, 2.8, 2.9, HP-UX 10.x, 11.x, IBM-AIX 4.3.x, 5.x, 2) on Sun Enterprise servers, Sun Ultra Sparc servers, HP rp7400, IBM RS6000 and Microsoft Windows NT, 2000 servers.
· Installed and Maintained Red hat Enterprise Linux 3, Red hat 7.0,8.0,8.1,9.0, Fedora core 1 and 2 on Intel Platforms. Installed and Updated RPM’s in Red hat Linux

· Provided support for Merit-Bay.com website hosting by installing and configuring Red hat Linux, jdk1.4.1, Tomcat, Apache, Mod_jk, MailServer, DNS, Webalizer, MySQL server and client, database replication.

· Installed Veritas Netbackup and configured Master and Media servers with the Sun Solaris Configuration. Configured the classes to backup the clients. Upgraded Veritas Netbackup 3.2 to Veritas Netbackup 3.4 on Master, Media and the client servers.

· Involved in providing support for Web Site hosting erpflex.com by installing and configuring Red hat Linux 7.3, Apache, MailServer using sendmail, DNS, Webalizer.

· Installed and configured Oracle 8i database server on Solaris2.7.

· Installed Veritas Volume Manager on Sparc Storage Arrays and StorEdge arrays. Implemented RAID 0, RAID 1, RAID 0+1 in the systems. Created vmdisks, plexes, volumes using the volume manager according to the requirements. Replaced failed disks using vxdiskadm.

· Database disks were monitored using Veritas Volume Manager and sub disks are shifted to have optimum load balance.

· Installed Veritas Filesystem on sun servers with Quick I/O option to enhance the Oracle database performance.

· Used Solstice Disk Suite and created metadevices, metamirror, and maintained root disks under Solstice Disk Suite control.

· Performed Custom Jumpstart Installation over network and maintained install server, boot server, and profile server. Wrote various post installation scripts.

· Worked as Unix System Administrator. Installed Solaris 2.x, created userlogins in /etc/passwd and /etc/shadow files and administered the system perfomance and user activities.

· Complied, Installed and Configured LDAP. Worked on proxy configurations of Telnet, FTP, SSH, and LDAP

· Configured Printers, Print Server and Print Clients and port monitors using commands like lp, lpstat, lpadmin, lpfilter, sacadm & pmadm.

· Installed, Configured and administered Websphere for using with our enterprise application software ERPFLEX.

· Developed shell scripts to automate routine jobs like process monitor, disk space utilization, print scheduling. Used AWK and SED to grep a particular field in the shell scripts.

· Setup NFS server, shared file systems by adding entries in /etc/dfs/dfstab in Solaris . Automounted exported file systems in the clients using direct and indirect maps. Configured and established diskless clients and dateless clients

· Configured the system as a NIS Master server, also setup slave servers and NIS clients in the network using ypinit utility. Maintained NIS maps for the network. Pulled the NIS maps from the master server using ypxfr utility.

· Performed full and incremental backup and restore activities using tar, cpio, ufsdump, ufsrestore, dd commands

· Installed weblogic 6.1 in SUN F 4800 and configured weblogic domains and maintained the weblogic server. Involved in performance tuning of the weblogic server.

· Installed oracle client software on UNIX(HP/Solaris) Server and installed weblogic jdriver for oracle, a Type-2 jdbc driver

PMR Contact Center Network Engineer Jan 00 – Jun 01

Worked as a member of Team, which implemented the VOIP setup for the P.M.R Contact Centre Pvt Ltd.

Responsibilities:

· Installed and Configured Sun Solaris 2.8 on Sun Enterprise Servers, Sun Sparc Servers and Sun Ultra Sparc Servers, Solstice Disk Suite. Also partitioned the disks, created the filesystems using newfs and mounted them using mount facility.

· Installed Microsoft Windows 2000 Server, Implemented RAID for Microsoft Windows 2000 Server, Managed User Administration, used DHCP for IP maintenance and took periodical backup for the system.
· LAN/VLAN/MAN/WAN planning, implementation, and troubleshooting including 10base-T, 100base-TX, Token Ring, FDDI, ISDN, T1, Frame Relay using a variety of equipment such as Dax hubs & switches; Cisco switches, routers.
· Specific Cisco knowledge with daily hands on experience and study with the following:
Router IOS (11.x, 12.x, etc.), Switching software (Catalyst 4000 etc.), IOS Switching software (1700, 3600 etc