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Bandiera: INDIA
villupuram, india
Attualmente sono le 1:38 AM qui
Registrato il aprile 22, 2007
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Ramkumar R.

@ramkla79

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Bandiera: INDIA
villupuram, india
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Career Objective To leverage my UNIX administration and networking experience in order to help maintain and expand your corporate infrastructure and/or Internet systems, and to make sure that all client and corporate computing needs are met with an eye for efficiency and scalability. Summary: Highly adaptable UNIX Systems Administrator with nearly six years of experience working with Sun Solaris and Linux in all environments, with an emphasis on uptime/reliability, support in a 24/7 production environment, and experience with shell scripting. Skills • Operating Systems: Solaris 8, 9 & 10 (SPARC & x86); RedHat Linux, SUSE Linux; AIX; HP-UX; Windows 2000/XP. • Hardware: SUN Microsystems SPARC hardware; SUN Fire V890, V880, V490, V445, V440, V240, V120, E250, E450, E6800 Sun Domains, HP Itanium Integrity servers rx4640, Dell Power Edge servers, Sun StorEdge 3500 and 50, Nortel Alteon Switch 180e, Cisco 3700 RAS Router • NAS: Netapp Filers FAS 250, FAS 270 • Storage: IBM Shark, EMC Clarion, Navisphere, lpfc drivers • Backup: Veritas Netbackup 4.x, 5.x, 6.x, Data Domain (D2D boxes), HP Tape Library 20/700, NDMP filer backups. • LDAP: Sun ONE Directory server, SurgeLDAP • Cluster/ Volume Manager: Sun Cluster 3.1, Sun Volume Manager/Solstice Disk Suite, Veritas Volume Manager. • Load Balancer: Nortel Alteon 180e • Network Monitoring: Nagios, ORCA • Performance Testing: OpenSTA • Sun Middleware Products: Sun ONE Portal Server, Sun ONE Webserver, Sun ONE Instant Messenger, Sun ONE Application server, Sun central media Streaming Server. • Software and Utilities: NFS; NIS; Samba; DNS, DHCP, SSH/OpenSSH; TCP/IP; PPP; IP-Tables; NTP; Tripwire; Apache Web Server; CVS; Amanda; Legato Networker, Clearcase, Sendmail, squid • Databases: Oracle 9i RAC • Networking: Cisco router and Switch, Netcache • Firewall: Netscreen • Programming: Shell scripting Professional Experience: 1. Company4 August 2005 – Present Designation: Information System Analyst Working as a UNIX administrator in the Enterprise offshore support Team to support the Corporate Infrastructure which includes 200+ Enterprise unix servers, Domains, NAS, SAN, and Backups etc. The job involves monitoring and maintenance of the infrastructure and takes corrective actions and find permanent solution for any issues. I have done automation of the monitoring activities using shell scripts. I am single handedly responsible for maintaining all the servers during the US night time. • Have installed (jumpstart/cdrom), configured and administered Solaris 8, 9 and 10 on enterprise class SPARC servers. • Have configured Sun Volume Manager, Solaris Disksuite and veritas volume manager to build RAID configuration in solaris. • Have configured and administered Veritas Netbackup software. Have managed tape libraries, master and media servers. Have experience in working with D2D backups using Datadomain boxes. Have very good troubleshooting abilities in veritas netbackup. • Have configured and managed Netapp NAS filers. Familiar with the ONTAP OS of the Netapp filers. Have configured NFS and CIFS access to the filers. Have configured NDMP backups for the filers to store terabytes of data. • Have experience in working in the storage environment (IBM Shark and EMC Clarion). Have built the sun servers and have configured them to connect to storage using lpfc software. Have knowledge in EMC navisphere and LUN allocation. • Have experience in following the Change Request Procedures and SOX procedures. • Have done a lot of scripting to automate the unix envioronment. The monitoring of the unix environment is done through standard scripts. • Have done the planning and movement of the Server infrastructure and Filers from one location to another. • Responsible for operational issues like troubleshooting of issues, configuration and take corrective action. 2. Company 3 June 2004 – August 2005 Designation:ASE Systems Engineer responsible for installation, management, and monitoring of Solaris systems, Sun ONE suite and associated hardware/software for Oil And Natural Gas Corporation. In addition to my official duties as a Unix Admin, I routinely provide support which includes software and network troubleshooting, Windows desktop troubleshooting/support, and acting as a liaison between development staff and client. I have also accepted Oracle DBA responsibilities and provided operational support to the portal development team requiring data backup/archival, job automation and scheduling, or nightly reporting. • Have installed and configured Sun ONE portal server, Sun ONE Webserver and Secure Remote Access for the intranet portal. • Have installed, configured and administered Sun ONE Directory server and have implemented replication. • Have installed, configured and administered Oracle 9i database and have done the cluster registration of Oracle server with the Sun Cluster 3.1 • Have Configured live webcasting and static webcasting through sun media central streaming server. • Have installed and configured Sun ONE Instant Messenger for the Intranet IM. • Have done performance testing and performance tuning for the sun ONE servers and Solaris OS. • Have troubleshooted various issues effectively with regards to the portal environment. • Have configured Nortel Alteon Load balancer for Sun ONE Application server and Sun ONE Portal server and Cisco RAS router for remote dialup connections. • Have implemented Single Sign On (SSO) between Lotus Domino Mail server and the Sun ONE Portal 2. Company 2 July 2003 – June 2004 Designation: Network Engineer Worked as a member of Linux Admin Team in Cadence Design Systems managing heterogenous UNIX servers which include RedHat Linux, Solaris, HP-UNIX, IBM AIX. The work involves System Administration, monitoring and troubleshooting of the Red Hat Linux (RedHat 7.2,7.3,8.0,9.0, RedHat Advanced Server 2.1) servers and related issues. • Installation of Operating Systems using remote installation techniques. • Installation, configuration and troubleshooting of softwares and other applications. • Patch Updation and management of OS and other softwares. • Have installed the clearcase for the operating systems like RedHat Linux and Solaris. • Have installed and configured services like Samba, NTP, FTP, NFS, NIS, DNS for all the Unix Operating systems. Have excellent knowledge and experience in handling NFS and NIS related issues. • Backup and restore of data using Legato Networker, back-up monitoring and trouble shooting. • Troubleshooting critical problems on daily basis. 3. Company1 April 2001 – July 2003 Designation: System Administrator • Have implemented Networking with Cisco catalyst 1900 switch and Cisco 2600 Router. • Have implemented ISDN in Cisco 2500 series router. • User Administration, configuration, quota management and shell scripting • Have configured routing services using static and dynamic. • Configured Samba and NFS services • Backup and Restoring data in RedHat Linux machines • Implementing DHCP, DNS, Squid Proxy Server, NIS, Apache Webserver, Mail server (Sendmail) • Have implemented SSL based security for apache and squid servers. • Firewalls (ip tables), PAM, TCP Wrappers, Tripwire Academic and Professional Qualifications: • Bachelor of Engineering in Electrical & Electronics Engineering at University of Madras, 1996 – 2000, 77.7%(Distinction) • RedHat Linux Certified Engineer (RHCE) Certification • Cisco Certified Network Associate (CCNA)Certificate Certification • Attended Training in “Linux Internals” conducted by Linux Learning Center,Bangalore • Attended training in “Perl Programming” conducted by Linux Learning Center, Bangalore

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