SUMMARY

• 7+ Expertise experience in System Administration working on Linux (Redhat, SuSe, OEL), Sun Solaris, AIX, HP - UX, Cent OS and Windows NT/2000 environments.
• Installs, Upgrades, Patches, Configuration, performance tuning on UNIX and system software & hardware.
• Extensive experience in installation, configuration and administration of Solaris 2.x, 8, 9, 10, Redhat 4.x, 5.x, 6.x HP-UX 10.x, 11.x, Confidential AIX 4.3, 5L.
• Support and maintenance of Sun Sparc T Series, M Series, Sun Ultra Enterprise Servers (E3500, E4500, E450, E420R, E250), SunFire (6800/4800/3800/ v880/V480/V240/V210/V440/280R), Sun workstations (Ultra 5, 10, 20, Blade 100,150, 2000).
• Installing, upgrading and configuring SUN Solaris Using Jumpstart Servers, Red hat Using Kickstart Server, AIX using NIM, Ignite using HP-UX and Interactive Installation.
• Experience in administering VMware Infrastructure Client 3.5 and Vsphere 4.0.
• Very strong working experience in Sun Solaris 10 Virtualizations (Zones, Containers and Ldoms)
• Strong Experience in Weblogic 5.1, 6.1, 7.0, 8.1 and 9.1/9.2 Application Server and very good experience in Weblogic 6.1/7.0/8.1/9.1/9.2 Clusters.
• Strong experience on Web servers such as iPlanet Webserver 6.0 /Sun one web server 6.3/6.5, Netscape Enterprise Server 4.0, Tomcat 5.x/4.x/3.x & Apache Server 1.x/2.x.
• Installation and configuration of Jboss, Web Sphere 5.1/6.0 Application Server on Solaris and Linux boxes.
• Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
• Expertise in VERITAS Volume manager (VxVM), Creating new file systems, mounting file systems and unmounting file systems.
• Planning, documenting and supporting high availability, data replication, business persistence, fail-over, fail-back using VERITAS Cluster Server 3.x/4.x, sun cluster server, Redhat Cluster Server and Service Guard in SAN environment.
• Experience in SAN environments like EMC Storage Systems EMC Symmetrix DMX3, DMX4 and Clariion CX3 series arrays & Emulex - QLogic HBA’s and TSM (Tivoli Storage Management).
• Expert in Installing, configuring and maintaining apache/tomcat, samba & send mail, Web Sphere Application Servers.
• Expertise in implementation and maintenance of Apache SMTP, DHCP, NFS, NIS, NIS+, LDAP, DNS, SAMBA, SQUID, Postfix, Sendmail, FTP, Remote Access, Security Management and Security trouble shooting skills.
• Efficiency in installing, configuring and implementing teh RAID Technologies using various tools like VERITAS volume manager, Solaris volume manager.
• Experience in using VERITAS Net Backup, Proficient in System Backup and Recovery from tapes using ufsdump, ufsrestore, tar and cpio, File system administration.
• Configured Networking Concepts DNS, NIS, NFS and DHCP, troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
• Expert in Data center operations including hardware, software setup monitoring, troubleshooting on a 24x7 basis wif BMC patrol, Team Quest, Unicenter & Smart trouble ticketing Systems/remedy tickets/kintana tickets etc.
• Installing, Configuring Solaris Volume Manager (Solstice Disk suite 4.2.1) & VERITAS Volume Manger. Installed & Configured HBA (PCI/PCI-X) in SAN storage. Configured & installed ALOM (Advanced Lights Out Manager), ILOM (Integrated Lights Out Manager), XSCF & Load Balancer.
• Installation of web logic, upgraded to service pack updates, installed. BEA patches, configuring and creation new domain, start and stop web logic server.
• Resolving system errors and crashes, huge file sizes, file system full errors and Installing network Printers and rectifying teh Printer problems over teh net work.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, & Firewalls.
• Expertise in writing scripts for automation, and monitoring using Shell (bash, C and Ksh), PHP, Python and Perl scripts.
• Experience in writing shell scripts to automate teh administrative tasks and management using cron and at.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 10, 9, 8, Red Hat Linux ES & AS, HP-UX, Confidential -AIX, Windows 2003/XP/2000

Hardware: HP Proliant, Blade servers, Sun Sparc T5440, T5220 and M8000, M4000,Sun Ultra Enterprise Servers (E3500, E4500, E450,E420R,E250,Sun Fire (6800/4800/3800/ v880/v480/v210/v440/280R/15K/25K), Sun Workstations (Ultra 5, 10,20,Blade 100,150,2000), Confidential F-series and P-series, Confidential RS6000, Sun Storage Array D1000,A5000

Software: VERITAS File System, VERITAS Volume Manager, Solaris Volume Manage, Solstice Disk Suite 4.x, Logical Volume Manger, Veritas Cluster Server and Veritas Netbackup.

Tape Hardware: Storage tek tape libraries L40, L80, L180, L700,Sl500,Sl850,DAT & DLT, STK 9940B, 9840B, LTOs

Cluster: VERITAS Cluster Server, Sun Cluster Server, Redhat Clusters and Service Guard

Web/Application Server: Tomcat, Apache, Confidential RSA/WAS, Web Sphere

Network Protocols: DHCP, DIG, DNS, SNMP, SMTP, Ethernet, IOS, netstat, NFS, NIS, nslookup, RIP, OSPF, BGP, TCP/IP, and tcpdump..

Database: Oracle, DB2/UDB, AS/400, Sybase

Languages: C ++, Java, VB 6.0, XML,HTML, Shell (bash, C and Ksh), Perl, Php and Python

ERP: SAP R/3, PeopleSoft, Siebel, Oracle Apps

PROFESSIONAL EXPERIENCE

Confidential, Fishkill, NY

UNIX/Linux system Administrator

Responsibilities:

• Plan, design, Implementing, Installation and configuration Operating System Installation and upgrade on Red Hat Linux 5, 6 on & HP-Dl585, DELL DRAC and VMware.
• Configured KickStart Server in Linux 4.x, 5.x and JumpStart Server in Solaris 9, 10 u.x and build severs using kickStart and JumpStart server.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris Volume Manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated wif SAN Team for storage allocation and Disk Dynamic Multi path.
• Worked on Solaris 10 Virtualization using Zones, Containers and recent Ldoms.
• Build Yum and RPM repository Server for Development team to upload packages, Written UNIX Shell scripts for monitoring & clean up old files.
• Implemented P2V virtualization from Dell hardware to VMware machines wif RHEL4.5, 4.6, 5.3 as guest OS.
• Creating and deleting and managing user accounts and managing user quotas on teh Network, Installed ApacheHadoop on Redhat Cluster servers.
• Configuring DNS, DHCP, NIS, NFS in Red Hat Linux 4.0 & other Network Services, Linux kernel, memory upgrades and swaps area.
• Administration/Configuration of Print Servers/Clients in teh Network, planning, configuration and maintenance of connectivity for servers as well TCP/IP configuration.
• Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' and Monitored server and application performance & tuning via various stat commands like vmstat, nfsstat, iostat etc and tuned I/O, memory, etc.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
• Preparing servers for Oracle RAC installation which includes tuning teh kernel, agent installation, adding NAS storage.
• Experience in Developing KORN, BASH, PERL, Python shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
• Installation, configuration and maintenance LDoms, DNS servers, Mail servers, FTP servers, NIS, NIS+ and Samba Web servers for Sun Solaris Security.
• Involved in Implementation of Oracle RAC and Oracle ASM & Oracle ASR.
• Administration and Troubleshooting Solaris servers running business critical application & Web Logic applications.
• Installation, maintenance and administration of Oracle and Db2 Server on Sun Servers.
• Installation of web logic, upgraded to service pack updates, installed. BEA patches, configuring and creation new domain, start and stop web logic server.
• Production support of Apache, Apache HTTPD, JBoss, Tomcat including installation, configuration, management and troubleshooting.
• Configure and maintain Windows 2000 Server that runs DNS, DHCP and active directory services.
• Formatted raw disks & partitioned them using teh fdisk utility. Created file system using newfs and mounted it.
• Configuring of nodes, Virtual IP, Private and Public network for Oracle RAC.
• Utilized Linux Terminal Server for removing fat client management, save on administration Provide users wif a more reliable & secure environment.
• Implementation of numerous VMware ESX virtual machines (2.5.x and 3.0).
• Experience in creating Groups, Resources, Setting teh resource properties and making Resource Online on MS Cluster Service.
• Worked in configuring and setup connectivity between web servers, database servers and directory servers as a process server administrator.

Environment: Red hat Linux 4, 5, 6(HP Proliant DL 585, BL 465/485,ML Series), Solaris 8,9,10 (Various Sun Hardwares), Redhat Cluster, VERITAS Cluster Server, Enterprise Security Manager, Opsware, Web logic 8.1, Oracle 10g/11g RAC, SAN(Netapp), BladeLogic,, Jboss 4.2, JDK 1.5,1.6,, VMware Virtual Client 3.5, VMware Infrastructure 3.5, Windows NT/2003.

Confidential, Sacramento, CA

UNIX/Linux Systems Administrator

Responsibilities:

• Installation and administration of RHEL 4.0/5.0, Cent OS 5, Solaris 8,9,10, and AIX 4.3, 5.x.
• Configured/Maintained Zones, LDOM, and ZFS file system on Sun Solaris 10 Servers.
• Worked wif VERITAS Volume Manager, VERITAS Cluster Server in all environments. As a member of teh team, monitored teh VER ITAS Cluster Server 4.1 in SAN Environment.
• Performed migration from RHEL 4 to RHEL 5 & automated installations of Operating System using kickstart for RHEL.
• Implemented and administered LVM based file systems on RHEL3,4,5
• Major part of support is dedicated to Production Application Environment.
• Designing Firewall rules for new servers to enable communication wif application, data base (Oracle & DB2) servers.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Coordinated wif teh Storage, Network and Hardware teams on server provisions (HP Proliant DL385/585 G5, G6 servers, and HP BL 465C G5 blade centers).
• Developed automated processes that run daily to check disk usage and perform clean up of file systems on UNIX environments using shell scripting and CRON.
• Adding servers to teh domain and monitoring them using spectrum, sitescope, cacti.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers, NMAP.
• Installing and configuring NDM, EMC Power Path, Veritas Dynamic multipathing and Oracle Client.
• Worked on Disaster recovery of Solaris servers using Sun DiskSuite and Veritas Storage foundation.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Analysis, Troubleshooting and Problem Resolution, Provided 24X7 support for large number Production, Development and Test systems.
• Involved in Reviews and Meetings & Teleconferences wif clients, Data Centers support contains 500 + servers.
• Created, Modified and deleted user accounts using REMEDY AR system tool, supporting various applications on UNIX environment.
• Managing Task plans and uploading into database, Software Deployments on request basis for production environment.
• Building Task Plans for all S/W deployments and review wif Application teams, Involved in applying patches and Bundles using Tivoli.
• Backup Monitoring Using Control-M Tool, Initiating Backups on daily basis and monitoring teh scheduled Jobs backups.
• Installation of SSH and configuration of keys bases authentication. Install and configure JumpStart&KickStart servers
• Integrating UNIX Directories and file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Assisting Development team to provide teh information and troubleshooting.
• Working wif Development team to troubleshoot Web logic issues, troubleshooting teh problems related to Apache web server.
• Working closely wif Vendors on Hardware Problems, software fixes.
• Installed and Configured EMC SAN Power path, Expertise in use VMware virtual infrastructure.
• Initiating Backups on daily basis and monitoring teh scheduled Jobs backups, Clarify Ticket based problem management.

Environment: Solaris 8, 9 & 10, Linux 4.x, 5.x, AIX 5.x, 6.1, HP-UX 11.11, 11.23, E10K, E25K domain servers, Sun Fire V 0, v220, v240, Sun Blade 8000 servers, Confidential F&P Series, Dell, HP Proliant, Web sphere 6.1, VCS, VVM, Tivoli, Remedy (Ticket Monitoring Tool)

Confidential, Somerset, NJ

LINUX/UNIX systems Administrator

Responsibilities:

• Installation and Administration of Red Hat Enterprise Linux 3, 4, 5 SLSE10 using Kick startincluding performance monitoring, scaling and capacity planning and hardware maintenance of Sun fire servers.
• Installation and Configuration of Red hat Satellite on Dell power edge 2650.
• Installation and configuration of CYGWIN on Windows in order to access UNIX system from Windows Operating Systems.
• Perform regular update to teh latest patches for SUN Solaris and Linux machines.
• User and group administration for all teh UNIX servers ( Confidential AIX, HP-UX, RHL) available in teh lab.
• Configuration of Naming Services like DNS, DHCP, NIS, LDAP Novell eDirectory. Implementing Master and Slave servers for NIS, DNS.
• Expert in Installing, configuring and maintaining apache/tomcat, samba.
• Co-ordinate wif web admin team in installation of BEA Web Logic Server 8.1.
• Creating, Mounting and Troubleshooting NFS File systems on different OS platforms.
• Troubleshooting and fixing day-to-day problems related to teh servers.
• Upgraded Solaris 9 to Solaris 10 and worked wif Solaris zones/containers, Used Solaris Cluster to deploy two-node cluster.
• Building Sun Solaris Servers from scratch wif Jumpstart and Flash Archives for upcoming projects.
• Hands on Migration Red Hat Enterprise Linux 4.0 to RHEL 5.0.
• Responsible for Oracle database security and patching, Oracle database capacity analysis and planning.
• Providing 24 x 7 supports to various application level server level & network level Monitoring & troubleshooting of any data centre outages.
• Hands on VMware for installing Linux and SuSe Linux and windows on virtual machines.
• Managing disk storage wif VERITAS Volume Manager 3.5/4.1 and Solaris Volume Manager wif VERITAS File System (VxFS).
• Network trouble shooting using ndd, traceroute, netstat, ifconfig and snoop.
• Created and Managed Meta devices using Solstice Disk suite and Volume Manager.

Environment: Solaris 8, 9,10, Redhat 5.3,5.5, HP-UX 11i, Windows Server 2000 and 2003, Sun Enterprise 10000, 15000, Apache Web Server 1.3.x, 2.x Oracle 8i,9i2, Perl, KSH, Sun v480, v880, E220, Confidential p630, p550,power 4 Dell POWEREDGE 700,2650,6650, Red hat Enterprise Linux 1.0.

Confidential, Norcross, CA

LINUX/UNIX Systems Administrator

Responsibilities:

• Plan, design, Implementing, Installation and configuration Operating System upgrade on Red Hat Linux 4.0 on & HP-Dl585 servers.
• Red hat Linux Kickstart Installation.
• Installed & configured HP Proliant. DL- 320/360/380/560/580/585 L Servers.
• Installed and configured HBA card in SAN storage.
• Written UNIX Shell scripts for monitoring & clean up old files.
• Creating and deleting and managing user accounts and managing user quotas on teh Network.
• Configuring DNS, DHCP, NIS, NFS in Red Hat Linux 4.0 & other Network Services, Linux kernel, memory upgrades and swaps area.
• Administration/Configuration of Print Servers/Clients in teh Network, planning, configuration and maintenance of connectivity for servers as well TCP/IP configuration.
• Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop'.
• Experience in Developing KORN, BASH, PERL, Python shell scripts to automate cron jobs and system maintainance. Scheduled cron jobs for job automation.
• Involved in Implementation of Oracle RAC.
• Administration and Troubleshooting Solaris servers running business critical application & Web Logic applications.
• Installation of web logic, upgraded to service pack updates, installed. BEA patches, configuring and creation new domain, start and stop web logic server.
• Production support of Apache, Apache HTTPD, JBoss, Tomcat including installation, configuration, management and troubleshooting.
• Configure and maintain Windows 2000 Server that runs DNS, DHCP and active directory services.
• Formatted raw disks & partitioned them using teh fdisk utility. Created file system using newfs and mounted it.
• Configuring of nodes, Virtual IP, Private and Public network for Oracle RAC.
• Utilized Linux Terminal Server for removing fat client management, save on administration Provide users wif a more reliable & secure environment.
• Implementation of numerous VMware ESX virtual machines (2.5.x and 3.0).
• Created high availability iSCSI SAN optimized for HyperV and VMware server virtualization environments.
• Experience in creating Groups, Resources, Setting teh resource properties and making Resource Online on MS Cluster Service.
• Worked in configuring and setup connectivity between web servers, database servers and directory servers as a process server administrator.
• Experience in backup reporting and managing of EMC Legato Network Environments.

Environment: Red hat Linux 4.0, HP-DL585, VERITAS Cluster Server, Enterprise Security Manager, Opsware, Web logic 8.1, Oracle 9i/10g RAC, HRT Frame Grabber Driver, GFT.

Confidential 

Systems Administrator

Responsibilities:

• Planning & Documentation of teh Implementation plan
• Installation and configuration of teh HP 9000 k, D G class Servers
• Installation and configuration HPUX 10.20
• Installation of networking components (HUBS, Switches, Fibre Attached Storage).
• Configuration of networking using TCP/IP protocol
• Installation of MC/Service Guard between two HP 0 Servers
• Configuration of HP 0 as a print server.
• Performance monitoring and tuning of all HP servers.
• Installation and configuration of NIS, DNS, NFS, LVM configuration, RAID 0, 0+1, RAID 5.
• Backup scheduling and recovery procedures using Ignite-UX.

Environment: Sun Solaris 2.x/5.7,8 HP 0 Enterprise Servers, 1 HP 0 Server, and HP High Availability Storage System Desk side Enclosure, HPUX 10.20, Bridges, Hubs, MC Service Guard