SUMMARY

• System Administrator with over 8 years of experience in Administration and Development of Red Hat Linux, SUSE Linux, HP - UX and Solaris servers.
• Installing, configuring and administering SUSE Linux 8,9,10 & 11, Red Hat Linux AS 3.0 /4.0/5.x & SUN Solaris 8, 9 and 10 on Sun, Dell, and HP x 86 Servers.
• Installed OS by using Jumpstart, Kickstart, NIM and Ignite methods.
• Extensive experience in installing, integrating, tuning, and troubleshooting Apache, Tomcat and WebSphere application server and webserver, webfocus IHS Also involved in troubleshooting.
• Expertise in Volume management, Disk Management, software RAID solutions using Veritas Volume manager 3.5/,4.1 .File system Tuning and growing using Veritas File System (VxFS), planed, documented and supported high availability, data replication, business persistent, fail-over, fall-back Solutions using Veritas Cluster Server 4.0 in SAN environment.
• Worked on different types of Migration using Double Take Software.
• Worked in heterogeneous environment. Installing, configuring and administration on Red Hat Linux 8, 9 and RH AS 2.1, RHEL 3.x, 4.x, Suse Linux Enterprise Server (SLES) 10.x, HP-UX 11.00, 11i, Windows NT, 2000 and 2003 Servers.
• Implemented and Enhanced the Existing Scripts which are developed in Shell, Perl, and SQL.
• Worked with Backup Team to Configure the Master and Client Backup servers Using VERITAS Net Back up 4.5/5.0
• Experience working & trouble shooting Network related issues.
• Experienced with the installation and configuration on Apache 2.x, 1.3.x, 1.2, JBoss4.0.x Web Servers and, BEA WebLogic 8.x, 9.x servers.
• Worked with VMware ESX 2.x servers, and Virtual Infrastructure client to create virtual guests
• Performed Servers consolidation and virtualization using VMware virtual infrastructure, VMware ESX, Virtual Center, VM tools.
• Configuring Kickstart Servers and booting the images using PXE in Red hat Linux(RHEL).
• Experience with creation and administration of virtual machines on VMWare ESXi and Infrastructure 3.
• Experienced with the installation, configuration of Veritas Storage Foundation 3.5, 4.0, 4.1 and 5 and volume management using Solaris Volume Manager (SVM) on Solaris and Logical Volume Manager (LVM) on Linux and experienced in RAID 1, 5, 51, 10, 01 configuration.
• Experienced in installation and configuration of SAMBA.
• Good experience and understanding of SAN (SAN arrays; HITACHI, EMC) technology including zoning, disk creation on various systems, maintaining and configuring various fiber switches and storages.
• Experience in network administration, deploying and troubleshooting of DNS, LDAP, NIS, NFS and DHCP etc.
• Expertise in System performance tuning, capacity planning and Disaster Recovery planning.
• Experience in managing sudo and configuration management tools like puppet.
• Experience with patching of Linux servers and hardening of servers using native and third party tools.
• Good knowledge in virtualization using VMWAARE ESX 3.5, 4.0 for Redhat Linux and Solaris x 86 platforms.
• Proficient in Installation, configuration, maintenance of open LDAP server and applications integrated with Apache Web server and Postfix mail server for user authentication.
• Strong technical background in Storage, Disk Management, Logical Volume Management (LVM) and logical partitioning.
• Configured DNS, LDAP, I-planet, Apache HTTP servers.
• Disk and File system management through Logical Volume Manager (LVM) on HP-UX, LINUX and Solaris Volume Manager (SVM) on Solaris.
• Installation and configuration of ACX, nCipher and Cryptovault.
• Knowledge of networking (TCP/IP, Ethernet), NIS, DNS, NFS, DHCP, SMTP and RAID.
• Knowledge of Routers and Switches, Subnet, VLAN, TCP/IP, VPN, OSI model, Firewall (checkpoint), VOIP, and Sarbanes Oxley compliance (SOX).
• Extensive experience in programming with C, C++, Device driver, Application Services on UNIX, Windows Host.
• Strong scripting knowledge (Perl and C) to perform different administration tasks.
• Experience in Shell scripting (ksh, bash) to automate system administration jobs
• Extensive experience in UNIX performance monitoring and kernel tuning and Load balancing to ensure stable performance.
• Excellent communication skills, enthusiastic with the drive and determination to do whatever it takes to get the job done.

TECHNICAL SKILLS

Operating Systems: Linux (Red Hat & SUSE), Solaris 10/9/8, HP-UX 11.0, 11.11, 11.23, 11.31, IBM AIX (4.3/5.x), SLES 8,9,10 & 11, Windows NT /2000/2003.

Hardware: M5000, M8000, T5220, T5240 Sun E15K, E25K, Sun Fire 6800, Sun Fire 4900, Sun Fire 3800, Sun Fire 490, Sun Fire 280, v880, v890, Sun Enterprise Servers E6500, E4500, E3500, Work Group Servers E450, E420, E250, E220, Netra 1405, Netra X1, Ultra 80, 60, 30, 10, 5, 2, 1, Intel Servers, Extreme network and Confidential switches, Brocade Switches, A1000, A5200, 3510, 3511, D1000, Sun Store Edge T3, 9980

Networking: TCP/IP, NIS, NFS, DNS, DHCP, Confidential Routers/Switches, WAN, SMTP, LAN, FTP/TFTP.

WEB Technologies: Tomcat, APACHE 2.x, 3.x, Web Logic (8/9/10) & Web Sphere 4.0/5.0

Programming Language: C, UNIX Shell Scripting, Perl Scripting, HTML, Perl, VB.

Backup Management: Veritas Netbackup 4.x/5.x/6.x, Ufsdump, Ufsrestore, tar, cpio, dd, tivoli

Third Party Software: VERITAS Volume Manager, VERITAS Cluster Service(VCS), HP Service Guard, Sun Cluster, EMC Storage, RAID Technologies, SSL

Protocols: TCP/IP,UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET

PROFESSIONAL EXPERIENCE

Confidential, Sanjose, CA

Solaris / Linux Engineer

Responsibilities:

• Administration of Sun Servers (SPARC and x86) running Solaris 9, 10 and Dell, HP Servers running SUSE, Redhat EL 3, 4.x, 5 which included jumpstarting, performing live upgrades of Solaris operating systems and Kickstarting Redhat EL 3, 4.x, 5
• Administration and support of Unix Servers including SUSE, Solaris, & Red Hat Linux and CentOS.
• Experience working on UCS C460 M1, M2 servers and Symantec Net Backup server
• Creation of whole root and sparse root zones on Solaris 10 and administering of services using SMF
• Creation of VMs for SUSE, Solaris x86 and Redhat Linux on VMWare ESX 4, 5.0 and administering them with VI Client.
• Performed volume management using Veritas Foundation Suite 5, SVM and LVM and the creation of zfs, VxFS, UFS and ext3 file systems.
• Installation and support of various applications including WebLogic 10, JBoss 4.2.x, Oracle 10g, Sun Java System Web Server 7, Tomcat, JDK 1.5, Ant.
• Provisioning of LUNs from SAN based on McData Switches and Hitachi Based Storage.
• Patch management using native commands on Solaris and Linux and following the chance control procedures.
• Performance tuning and troubleshooting of the applications and resolution of issues arising out of the ticketing systems in Remedy.
• Monitoring the servers using tools like BMC and Nagios and providing 24x7 support on call rotation basis.
• Modified the Linux Kernel (2.4) to control the swappiness.
• Configuration and support of Veritas Cluster Server 5.0 for various agents including SAP, Oracle, DNS
• Worked on EMC VMAX, VNX and involved in HITACHI Storage Migration.
• Decommission of the servers/service groups which include: removal of DNS, take full ad-hoc backup of file systems, removal from backups, removal of patrol monitoring, removal from AD, keep autosys jobs ON-ICE, removal from CME etc.
• User administration of UNIX / Linux account using SeOS and also used sudo / RBAC for assigning special privileges to the users.
• Extensive experience in programming with C, C++, Device driver, Application Services on UNIX, Windows Host.
• Strong scripting knowledge (Perl and C) to perform different administration tasks.
• Experience in Shell scripting (ksh, bash) to automate system administration jobs
• Automated tasks using bash, korn shell scripts.
• Backup and restore of file systems using Veritas Netbackup 6.5.
• Worked on Remedy project and resolved Remedy tickets as assigned to the individual or team
• Participated in projects as directed including planning and the implementation of new applications and projects infrastructure.
• Involved in migration of project from one flavor to another one.
• Involved in development, user acceptance, and performance testing, production & disaster recovery server.

Environment: SUSE 9,10, Solaris 8, 9, 10, Redhat EL 3, 4.x, Veritas Volume Manager 5, Veritas Cluster Server 5.0, Veritas Netbackup 6.5, VM Ware ESX 3.5, Virtual Center 2.5, BMC Patrol for Unix, Apache 2.2.x, Sun Java System Web Server 7, WebLogic 10, ksh, bash, Oracle 10g, Sun SPARC Enterprise T2000, T5120, Sun Fire v890, 6800, x4100, x4150, E6900, M5000, M 8000, 3510, 3511, Hitachi Lightening 9970v

Confidential, FL

Solaris/Linux Admin

Responsibilities:

• Installing, configuring and updating Sun Solaris, Linux systems.
• Designing System Requirements, Designing Storage requirements, Configuration Management/Change control/Release management.
• Experience working on virtualization using VMWAARE ESX 4.x, 5.x.
• Installing Veritas Volume Manager and configuring Disk Groups, Volume Groups and Logical volumes to manage the storage resources.
• I worked on Server vulnerabilities along with PCI compliance for Windows, Linux, solaris and AIX servers
• Creating, Resizing and managing online JFS File system for users upon user request using VERITAS Volume manager and LVM.
• Worked on the Apache Satellite servers.
• Patch and Package administration to keep the servers updated with the patches and that implementing packages developed for deployment.
• Installed and Configured SSH & SSL for secured access on HP and Solaris Systems.
• Installing and Configuring HP-OMNIBACK for Backup of more than 30 Servers.
• Installing, configuring various software applications and packages like Apache, Web Logic & Oracle etc.
• Experience working with NIS and DNS naming services and administering the public DNS servers.
• I worked on DRAC’s servers to upgrading firmware.
• Monitoring System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Troubleshooting and analysis of hardware and software failures for various Solaris servers ( core dump and log file analysis )
• Tuning the Kernel parameters for the better performance of applications like Oracle, WebLogic etc.
• Modifying/ Writing scripts using sh, ksh and bash for day-to-day administration.
• Creating, Deleting and managing user database and their respective directories.
• Performing backups of Production, DIT and Development servers and applying required patches.
• Worked on Storage migration tools.
• Setting up cron jobs for the user to deploy scripts on production servers.
• Involving in implementing RAID technologies and SAN solutions like multipathing and also involved in the configuration of a SAN with McData Switches and Hitachi Data Systems ( Confidential ) SAN Arrays.
• Troubleshooting day-to-day server related issues and problems in terms of hardware, operating system, applications and network.
• Worked on User administration setup, maintaining account, Monitor system performance.
• Environment, Command line, Current working directory, root directory, executed command.
• Extensive user and group management through admin tool.
• Strong scripting knowledge to perform different administration tasks.
• Experience in Shell scripting (ksh, bash) to automate system administration jobs
• Mentoring junior team members to support production web environment.

Environment: Redhat Linux 4/5/6, Solaris 7, 8, 9,10,11, HP-UX 11.x, Windows 2003/2008, NFS, LVM, Veritas Volume Manager 5.0, HP-Omni back, DHCP, DNS, SMTP, SSH2, Apache 2.x, System 5 Packaging, Perl, Oracle

Confidential

Solaris/Linux Admin

Responsibilities:

• Migrating data form Old storage to New storage.
• Performed Host based migration (HBS) and Frame based Migration FBM using Veritas.
• Experience working in Veritas Cluster servers.
• Designing System Requirements, Designing Storage requirements, Configuration Management/Change control/Release management.
• Installing Veritas Volume Manager 4.0 and configuring Disk Groups, Volume Groups and Logical volumes to manage the storage resources.
• Creating, Resizing and managing online JFS Filesystem for users upon user request using Veritas Volume manager and LVM.
• Experience in cluster migrations.
• Patch and Package administration to keep the servers updated with the patches and that implementing packages developed for deployment.
• Installed and Configured SSH for secured access on HP and Solaris Systems.
• Installing and Configuring HP-OMNIBACK 4.10 for Backup of more than 30 Servers.
• Installing, configuring various software applications and packages like Apache 1.3.18, WebLogic 7.x, Oracle 9i etc.
• Implementing NIS and DNS naming services and administering the public DNS servers.
• Monitoring System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Troubleshooting and analysis of hardware and software failures for various Solaris servers ( core dump and log file analysis )
• Tuning the Kernel parameters for the better performance of applications like Oracle, WebLogic etc.
• Modifying/ Writing scripts using sh, ksh and bash for day-to-day administration.
• Creating, Deleting and managing user database and their respective directories.
• Performing backups of Production, DIT and Development servers and applying required patches.
• Setting up cron jobs for the user to deploy scripts on production servers.
• Implementing RAID technologies and SAN solutions. Was involved in the configuration of a SAN with McData Switches and Hitachi Data Systems ( Confidential ).
• Troubleshooting day-to-day server related issues and problems in terms of hardware, operating system, applications and network.
• Worked on User administration setup, maintaining account, Monitor system performance.
• Environment, Command line, Current working directory, root directory, executed command.
• Extensive user and group management through admin tool.
• Strong scripting knowledge to perform different administration tasks.
• Experience in Shell scripting (ksh, bash) to automate system administration jobs
• Mentoring junior team members to support production web environment.

Environment: Solaris 7, 8, 9,, LVM, Veritas Volume Manager 4.0, Veritas Clusters, Host based Migration and Frame based Migration.

Confidential, Forth Worth, TX

Unix Administrator

Responsibilities:

• Installation and configured SLES 9, 10 &11, Red hat 4.x, 5 on Dell Power Edge Blade servers using Kickstart with PXE for LAMP (Linux, Apache, MySQL and Perl/PHP) installations.
• Installation and Administration of SUSE 10 & 11 on x86 Enterprise Servers for test lab, production and disaster recovery setup.
• Experience working with Zenworks.
• Worked on ACX and nCipher troubleshooting.
• Migration of applications from Solaris 9 to 10 TO Linux (Redhat & SUSE) and resolving any dependency issues after live upgrade.
• Worked on different types of Migration using Double Take Software.
• Worked on User administration setup, maintaining account, Monitor system performance.
• Setup DR environment for tier one and tier two servers at DR site. This setup includes creating and configuring virtual clients LPAR, installing AIX images from existing servers and performing DR test.
• Activities include user administration; startup and shutdown scripts; crontabs, file system maintenance, backup scripting and automation using Perl, shell scripting (bash, ksh) for Red Hat Linux and AIX systems.
• Implementation of VMware Infrastructure for Windows, SLES 11 & Linux Red hat 5.0 with VMware ESX 3.5, Virtual Center 2.5 and administered the VMs with VI client.
• Performed volume management which included the encapsulation, initialization, root disk mirroring, export/import of disk groups etc. using VERITAS Storage Foundation 4.1, 5.
• Extensive experience in installing, integrating, tuning and troubleshooting Apache, Tomcat and Web Sphere application server and Web sphere IHS including troubleshooting.
• Mirroring of root disks using Sun Volume Manager (SVM) and configuration of RAID 5 soft partitions.
• Used Logical Volume Manager (LVM) for the management of Volumes including creation of physical and logical volumes on Linux
• Implemented VERITAS Cluster 5.0 for Web Sphere and Sun JES Web Server agents.
• Performed application installation and management on Solaris and Linux servers for applications like Web Sphere Application Server (WAS) 7, JBoss 4.2.x, 5.x, Sun JES Web Server 6.1, Oracle 10g, Sybase 12.5 etc.
• Adding patches to keep the servers updated against bugs present in the operating system as well as other applications like VERITAS Storage Foundation, Web Sphere and Oracle.
• Configuration of multi-pathing using tools like mpxio and EMC Powerpath, Vmax.
• Configuring, administering and trouble shooting of NFS, AutoFS (Direct and Indirect Maps), NIS (master, slave and client) and DNS in multi platform networks.
• Worked on the configuration of mail server using Sendmail 8.10.x, 9.x.
• Installation of SAMBA 3.3.x server for interface between SUN servers and Windows servers to share files.
• Responsible for network troubleshooting and planning in a web hosting environment including the configuration of 3-Tier Environment.
• Install and configure SSH to enable secure access to the servers.
• Modified the Linux kernel to add tracing probes for Config access tool.
• Developed a tool for logging the Process creation and exit as well as file creation and exit.
• The following information about a process has been logged from the kernel data structures.
• Worked on user management and groups, worked on creating the users policy on the ACX end point.
• Environment, Command line, Current working directory, root directory, executed command.
• Strong scripting knowledge (Perl and C) to perform different administration tasks.
• Experience in Shell scripting (ksh, bash) to automate system administration jobs
• Mentoring junior team members to support production web environment.

Environment: suse 9,10 &11, Solaris 9, 10, Red hat EL 4.x, 5.x, Windows Server 2003, Web Sphere Application Server 10, JBoss 4.2.x, 5.x, Sun JES Web Server 6.1, Oracle 10g, Sybase 12.5, Stellent 7.5.1, Samba 3.3.x, Veritas Netbackup 5.0, 6.5, Veritas Cluster Server 5, Veritas Storage Foundation 5.0, Sun T2000, T5240, 6900, 4900, x4250, x4440, M5000, M6000, Dell 6450, 1350, DL 580, 585, EMC Symmetrix DMX-3Infosys

Confidential

UNIX Administrator

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of Sun Solaris 8,9 and Redhat 9, AS 3.0 servers on various hardware platforms that include Sun 4800, V480, 280R, 4500, 3500, Dell 6400, 2400, 1800 etc.
• Performed automated installations of Operating System using Jumpstart for Solaris and Kickstart for Linux.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers
• Implemented a High Availability Cluster using 2 V480s, a T3 and Veritas Cluster Server 4.0.
• Developed, customized and build packages on Solaris and RPMs on Linux for deployment on various servers through Software Development Life Cycle.
• Designed bash, ksh, and Perl scripts to automate application and system management activities. These scripts provided the following functionality: application startup and shutdown, monitored systems and applications health, and web site management
• Installation, Management, Configuration of LAN/WAN systems utilizing Confidential switches and routers.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment. Worked with Apache and developed several UNIX scripts to automate web tasks
• Configured firewall based on Redhat Linux and FreeBSD 4.x that has three network interfaces.
• Managed existing documentation for systems and created new procedures to support new products. Created documentation for disaster recovery project

Environment: Solaris 8,9, Redhat Linux 9, AS 3.0, Veritas Volume Manager 3.x, 4.0, Veritas Cluster Server 4.1, Confidential Routers, Sun 4800, V480, 280R, 4500, 3500, Dell 6400, 2400, 1800 Redhat 8, 9