SUMMARY

• System Administrator with over 7+ years of experience in Administration and Development of Windows, Red Hat Linux, SUSE Linux 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.
• AIX 5x and 6x installation, up gradation, migration and 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.
• Experience installing and working with ZENworks.
• Worked in heterogeneous environment. Installing, configuring and administration on Sun Solaris 2.6, 7, 8, 9, 10, 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 configuring Doubletake console servers to perform migration activities.
• Experience working & trouble shooting Network related issues.
• Experience in online migrations using Rsync, BMC tools and Veritas netbackup.
• 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.
• Experience in performing windows and Linux migration on both Physical and Virtual machines using Doubletake Availability and Share.
• 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 with patching of Linux and Solaris 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.
• Good Knowledge in virtualization using zones, domains and Ldoms for Solaris SParc environment.
• 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 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 &Centos, SUSE), Solaris 10/9/8, 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, MA

Senior Linux Administrator

Responsibilities:

• Installation, configured and performed migrations of server running Windows 2003/2008, Centos 5.7,6.3,6,6,7, 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 Centos OS on Dell and HP Enterprise Servers for test lab, production and disaster recovery setup.
• Maintaining Jira, Wiki and Sub Version Production servers running on physical and virtual Environments.
• 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.
• Working on Jira and Sub version migrations from old server to New servers.
• Performing different types of migrations like p2p, p2v, v2v, v2p.
• Activities include user administration; startup and shutdown scripts; crontabs, file system maintenance, backup scripting and automation using Perl, shell scripting (bash, ksh) for Centos and Red Hat Linux systems.
• Maintaining LDAP servers and
• Implementation of VMware Infrastructure for Windows, Centos 5 and 6 & Linux Red hat 5.0 with VMware ESX 3.5, Virtual Center 2.5 and administered the VMs with VI client.
• Installation, configured and performed migrations of server running Windows 2003/2008, 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.
• Experience design and implementing online migrations using Doubletake and Rsync softwares.
• 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.
• Experience working on CFEngine automation tool for upgrading patches and deploying applications.
• Experience using Doubletake products like Move, Share and Availability 5.x versions to perform online migrations.
• Experience installing Doubletake software’s on servers and working on pre migration and post migration activities using Double take software.
• Performed different types of migrations like p2p, p2v, v2v, v2p using Double take software.
• 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 and configuration of RAID 5 soft partitions.
• Used Logical Volume Manager for the management of Volumes including creation of physical and logical volumes on Linux

Environment: Centos 5.3,6.3,6,6 and 7, Red hat EL 4.x, 5.x, Mysql 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,Dell, 1950, 2950 and cloud servers (C6100) and HP servers.

Confidential, FL

System Administrator

Responsibilities:

• Worked on supporting production server as L2 Support.
• 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 (HDS) 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: suse 9,10 &11, Solaris 9, 10, Red hat EL 4.x, 5.x, 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

Confidential, San Jose, CA

System Administrator

Responsibilities:

• Installing, configuring and updating Solaris 8, 9 and HP-UX 10.20, 11.00 systems.
• 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.
• 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.
• Worked on Puppet automation tools for upgrades and patching.
• 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 (HDS).
• 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, HP-UX 10.20, 11.00, Windows 2000, NFS, LVM, Veritas Volume Manager 4.0, HP-Omni back, DHCP, DNS, SMTP, SSH2, Apache 2.0, System 5 Packaging, Perl, Oracle 9i, 280R, E5500, 6500, K580

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.
• Experience working on Puppet automation tool.
• 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 (HDS) 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, Fort Worth, TX

Linux Administrator

Responsibilities:

• Installation, configured and performed migrations of server running Windows 2003/2008, 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.
• Experience design and implementing online migrations using Doubletake and Rsync softwares.
• 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.
• Experience using Doubletake products like Move, Share and Availability 5.x versions to perform online migrations.
• Experience installing Doubletake software’s on servers and working on pre migration and post migration activities using Double take software.
• Performed different types of migrations like p2p, p2v, v2v, v2p using Double take software.
• 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 and configuration of RAID 5 soft partitions.
• Used Logical Volume Manager 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.
• 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

Confidential

Jr. System Administrator

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of 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.
• 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