SUMMARY:

• Around 8 years of strong experience as a UNIX System Administrator and Production Support of various applications on SUN Solaris, Red Hat Linux and Windows environment.
• Extensive implementation and troubleshooting experience under Client Server Systems.
• Experience on Solaris 10/9/8/7 and RHEL 4/5/6 implementation Administration, Installation Maintenance.
• Configured JUMPSTART servers for complete hands-free installation of workstations, with custom profiles, begin/finish scripts and custom package suites/clusters.
• Integration of various network related services like NFS, NIS, DNS and Autofs.
• Installation and configuration of Apache / Web logic on Solaris, Linux and Windows.
• Enterprise Server administration of Sun Solaris and Linux Installations including Sun Fire series.
• Expertise in the setup and administration of VERITAS Volume Manager and Clusters.
• Involved in configuring Zones and Containers in Sun Boxes.
• Troubleshooting skills with network protocols such as DNS, TCP/IP, SMTP SNMP.
• Hands on experience with ticketing tools such as Remedy and Quick base.
• Administration of networking devices such as F5 load balancers, Routers and switches.
• File System servers with NFS with Auto mount clients.
• Upgrade and Maintain Firmware on IBM p5/p6 Servers, HMC, Sun Sparc Servers, HP Proliant Blades.
• Developed basic UNIX scripts using Perl and KORN.
• Installation, configuration and maintenance of Sun and HP servers.
• Management of User accounts, System security, change management and performance tuning.
• Installation of SSL certificates on Solaris and Linux servers
• Monitoring and administering Sun-Solaris servers and Redhat Linux servers
• Installation of Patches, Hardware, software's and Firmware upgrades
• Ability to handle multiple tasks and work independently as well as a team member
• Provided on-call support and worked with Vendors on system issues and bugs for its resolution.
• Proficient in System administration, System planning, co-ordination, commissioning, setting up security hierarchy and capacity planning.
• Willingness to work on flexible hours for production, backup and on-call support for 24/7 environments
• Good communication skills, self-motivated with a high degree of attention, a good Team Player, committed to work and have sound leadership qualities.

Technical Skills Inventory:

Hardware: Sun Microsystems Sun Enterprise E10K, E6500, Sunfire 6800, 4800, V880, 420R, 450, NFS Client 3.2, SunOS 4.1.x, HP Ultrip tape Drive, StorageTek L700, L180, LTO, DLT tape Drives, Sun Storage Edge A1000, D1000, A5x00, T3 and EMC Storage Disk Arrays.

O.S / O.S applications: Solaris 2.x, 7, 8,9,10 Red Hat Enterprise Linux 3.0 4.0,5.0 and 6.0, AIX 5.2 5.3, NFS Client 3.2,

SunOS 4.1.1, VERITAS Cluster Server 1.x, 2.x, 3.x,4.x VERITAS volume manager 3.x 4.x,VERITAS File

System, VERITAS Net backup 4.5,Windows NT / 00 Server/XP.

Software: UNIX Shell Scripting, HTTP, FTP, DNS, NIS, NFS, SNMP, DHCP, LDAP, Windows, MS Access, MS

Office, Internet Explorer and Netscape Servers.

Server Management: SUN Solstice Disk, Backup Admin Suites, Sun Net Manager, Solaris Volume Manager, VERITAS Volume Manager, Replication, Cluster, Net Backup.

Data Base Servers: Oracle 8.x, 9.x, Sybase, MS SQL 6.5/7.0 on Win NT.

Networking: SNMP, TCP/IP, IPMP, AP, LAN, WAN, and Mail Servers, NFS, NIS, DHCP, DNS, Automounter, Routers, Switches and RAS.

Applications: Apache, FrontPage Personal Web Server on Win NT, UNIX, MS Mail, and BEA web logic, Web Sphere.

Professional experience:

Confidential

Role: System Administrator

Roles and Responsibilities:

• Day to day system administration to support 100 server in Production, pre-prod, UAT and involved in development environments.
• Primary support to all kind of issues for All of Unix Solaris and Linux
• Worked with Redhat for finding root cause on panic issues
• Worked on Solaris10 project to upgrade Solaris 8 solaris9.
• Involved in configuring Zones
• Installation and configuration of SUDO package accomplished successfully across various UNIX platforms.
• Limiting user account privileges using SUDOERS.
• Implementing appropriate permissions for files and folders and Managing Users and Groups
• Troubleshooting of day to day system and user problems various Servers on different platforms.
• Creation and Maintenance of User Accounts, file systems and successfully created logins IDs on large number of servers.
• Servers support included NFS, NIS, NTP, FTP, users setup/troubleshooting.
• Installed OS patch clusters, Veritas patches, and 3rd party application patches
• Solaris 8 and 9 system administration including security, regular auditing for intrusion detection, rotation of logs and backup
• Working knowledge of Remedy ticketing system.
• Monitoring Disk space, adjust VVM Config add space as and when needed
• Monitoring and install or updates patch software's, firmware, and security patches for all applications in installed infrastructure.
• Working on Projects like server consolidation, datacenter and infrastructure monitoring.
• Administrated DHCP, DNS and Samba services in solaris and Linux.
• Configuration, Administration and maintenance of NFS, DNS, NIS on Linux Servers
• Created Volumes and RAID levels used Jumpstart for various Sun servers using VERITAS file system VxFS .
• Working on evaluating new hardware and software's.
• Responsible for Connectivity Issues among various Servers and Switches.
• Provided 24x7 on-call/Remote Support for UNIX Production Problems.
• Responsible for Installation of various Hardware Components on various servers.
• Installation, Maintenance and Administration of Red Hat Enterprise AS 3.0 and Suse Enterprise Linux 9.x Servers.
• Responsible in building and startup shell scripts, managing the automation of CRON jobs and managing file systems
• Responsible for system configuration, communications, installation and configuration of software applications, operating system upgrades and hardware

Environment: Solaris, Red Hat Linux Enterprise, E20K, E12K, E10K ,Sun Enterprise E3500 450/420R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, SPARCstation 10, Sun Sparc Ultra 1,5,10,VERITAS Volume manager, VCS, Web logic 8.1and HP Network Node, HP DL365, DL360, RHEL 2.4, RHEL 2.5

Confidential

Level 2 support Engineer / Administrator

Roles and Responsibilities:

• Member in Solaris/Red Hat Enterprise Linux 3.0 4./AIX 5.2 5.3 and VERITAS Suite implementation team.
• Solaris 8,9,10/Linux/AIX 5.2 5.3/ system administration including security, regular auditing for intrusion detection.
• Monitor Disk space and space as needed in SVM / VVM.
• Trouble shoots and corrects hardware and OS related problems
• Monitor and system administration including Install/Update patch software, firmware, and security patches for all applications in installed infrastructure.
• Configuration and Administration of Load balancers and F5's, taking servers in / out of rotation.
• Setting up of networks involving RHEL / SUN Workstations, Servers and Communication Products.
• Installation Upgradation of Solaris 2.x. and Linux Configuring Hardware in all range of Machines from workstations to Enterprise servers. Implementing and Administering Network File Systems using Auto-mounter and administering user and OS data files in LDAP, NIS and NFS environment.
• Responsible for day to day system administration tasks.
• UNIX Support and Co-Ordination for Live Production Applications of Project Management Documentation.
• Provided 24x7 on-call/Remote Support for UNIX Production Problems
• Monitoring of Servers, Processes and applications using various monitoring tools such as HP OVO, General Nelson and Lindborg.
• Web /Application Server Tomcat, Apache, IBM , Web Sphere, Web logic 8.0,8.1
• Responsible for adding user accounts /creating there home directories.
• Responsible for all day to day system administrator tasks Disk Space issue /FS /User logins
• Change Management and Implementation of Changes to the Environment
• Maintained and created NFS, Vxfs for UNIX and NT client requirements
• Analysis and troubleshooting of hardware and software failures on Unix servers.
• Wrote shell scripts ksh, csh to automate day-to-day system administration tasks
• Management of user accounts and groups, File systems and disks.

Environment:E15K, E12K, E10K, E6800, E-6500, E5500, E-4500, E-3500, F5', Gigamons, SunFireV880, Sun Enterprise 450, 480R, Sun Solaris 8 and 9,JBOSS, Sun StorageEdge Disk Array D1000, A1000, T3, Hitachi and EMC Storage Arrays, Veritas Volume manager, Veritas file system and Veritas Clusters Web Sphere and Web logic 8.1.

Confidential

Role: System Administrator

• 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.
• 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.
• 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.
• 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

Role: Senior Linux/UNIX SUN/HPUX Administrator

• Installation and configured HPUX 11i v1 v3, Red hat Enterprise Server 5.x and 6 on Dell PowerEdge Blade servers and HP C6000, C7000 blade centers using Kickstart with PXE for LAMP Linux, Apache, MySQL and Perl/PHP installations.
• Installation and Administration of HPUX 11i V1 V3 on PA-RISC and Itanium Enterprise Servers for test lab, production and disaster recovery setup.
• Experience working with EMC SAN disk on Linux, Solaris and HPUX servers and performed multipath using EMC power path.
• Worked on Oracle and MySql Databases and performed performance tuning and troubleshooting.
• Migration of applications from HPUX to Linux Redhat CentOS and resolving any dependency issues after live upgrade.
• Worked on User administration setup, maintaining account, Monitor system performance.
• 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 Solaris systems.
• Experience working with EMC SAN tools like SRDF, BCV and snaps for replication and backup purpose.
• Implementation of VMware Infrastructure for Windows, SLES 11 Linux Red hat 6.0 with VMware ESX 4.x,3.5.
• 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.
• Used Logical Volume Manager for the management of Volumes including creation of physical and logical volumes on Linux
• Implemented and Supported HP MC Service Guard and 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, RAC, 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.
• Supported AWS cloud servers using AMW EC2 tools.
• 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 for Databases like Oracle RAC and MySql.
• 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: HPUX 11i, Solaris 9, 10, Red hat EL 4.x, 5.x, ESX 3.x,4.x,Windows Server 2003, Web Sphere Application Server 10, JBoss 4.2.x, 5.x, MySql, 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-3,

Confidential

• Unix /Linux Top Level Production Support: Equities, Fixed Income, Back Office at client: Credit Suisse
• Assured proper SAN Team Lun Presentations and carved storage into VXFS Filesystems.
• Created and modified Veritas Cluster Service Groups and managed switchover from node to node and just as importantly, from interstate primary and DR sites.
• Closed out escalated Global Change Management and Global Problem Management tickets involving Sun,
• Egenera, RedHat, SUSE, NFS, NIS, TCP/IP, Filesystem, Permissioning,and Security.
• erformed Performance Analysis and Remediation thru ORCA and UNIX utilities.
• Managed Decommissioning/Repurposing of Egenera, Sun, IBM and other hardware.
• Maintained NFS, NIS, netgroup, and distribution services.

Confidential

Role: Linux/UNIX HPUX Administrator

• Performed automated installations of Operating System using Jumpstart for Solaris and Kickstart for Linux.
• 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.
• 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 Cisco 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, Cisco Routers, Sun 4800, V480, 280R, 4500, 3500, Dell 6400, 2400, 1800 Redhat 8, 9