SUMMARY

• 8 years of Strong Experience in LINUX/UNIX Administration, Shell Scripting with expertise in Red-hat Linux 3, 4 and 5, Solaris 8, 9 and 10. HP-UX 11.i, AIX 5.1, 5.3 and 6.1, Windows 2003, Web Logic, Web Sphere JAVA, J2EE Applications and SQL.
• Strong in troubleshooting, monitoring, training and 24/7 production support in mission critical environments Worked with systems support team to define, architect and maintain highly available production systems.
• Expertise in Installation, Configuration, Integration, Tuning, Backup, Crash recovery, Upgrades, Patching, Monitoring System Performance, System and Network Security and Troubleshooting of Unix Servers.
• Experience in implementing and monitoring High Availability environment using Veritas Cluster Server, Sun Cluster, Redhat Cluster, HP Service Guard and HACMP.
• Configured and used Jumpstart, Kickstart, Ignite and NIM to install OS.
• Worked on Solaris 10 Container Technology. Created and maintained local zones.
• Managed resources for zones using Solaris 10 container technology.
• Solaris Live Update Technology associated with an operating system upgrade or maintenance.
• Strong experience in VERITAS Clusters in supporting high availability mission critical servers.
• Experienced with the installation, configuration and volume/File system management using Veritas Volume Manager VxVM , Logical Volume Manager LVM and Solstice Disk Suite Solaris Volume Manager .
• Backup management and recovery policies using VERITAS Net-Backup.
• Experienced managing the Redhat Enterprise Systems RHEL using satellite.
• Experienced in using tools like Puppet, Foreman, Chef and similar tools to manage the RHEL systems.
• Experience in creating physical volume, logical volume, volume groups using LVM's in Linux/AIX, HP-UX ITANIUM and PA-RISC and SVM, GFS global file system and ZFS in Solaris.
• Proficient in Networking, configuring TCP/IP, DNS, NFS, NIS, NIS , SAMBA, LDAP, SSH, SFTP, SMTP, SNMP.
• Experience in VMware Installed, monitored Virtual environments with ESX 3.x servers and Virtual Center 2.X
• Experience working with Linux database systems
• Experienced in working with Storage Area Network SAN , EMC CLARiiON CX, EMC Symmetrix DMX, EMC MirrorView, HP storage and Hitachi data storage.
• Experience in installation, configuration and administration of WebLogic and Web sphere Servers.
• Excellent in System performance tuning Configuration
• Sound understanding of IT Infrastructure Administration with project management skills.
• Providing 24/7 technical support to Production environments
• Experienced in applications installations such as JBOSS/Websphere.

TECHNICAL SKILLS

PRofessional summary

Confidential

Sr Linux/Unix Administrator

Responsibilities:

• Worked with Symantec and BSC team to setup the Symantec O3 IDLINK Open VPN Servers.
• Build servers using Kick Start managing Kick start file to meet the requirements of the clients , Red Hat Satellite Server, and vSphere Client.
• Updating patches to keep servers updated against bugs present in the operating system using Red Hat Satellite Server, yum, etc.
• Worked exclusively on VMware virtual environment.
• Worked on Data migrations and system migration of one data centre to another using VM.
• Experienced in developing automated patch delivery systems and also have worked on hardening
• Installed, configured and provided support for Tivoli Monitoring software across various OS platforms like RHEL, AIX and Solaris.
• Installed packages using YUM and Red hat Package Manager RPM on various servers.
• Worked on troubleshooting network administration, IIS configuration, DNS setup and modifications, firewall rule sets, local and distributed director, connectivity, and supporting applications.
• Worked with Red Hat Satellite Server which is used to push changes across various servers simultaneously.
• Performed the daily system administration tasks like managing system resources and end users support operations and security.
• Worked as independent support of Tier 2 issues that are reboots, start/stop services, reset Terminal Service and pc anywhere connections, and administrative server maintenance.
• Daily tasks of following with clients to resolve the issues.
• Worked and experienced with the Linux database systems.
• Provide support to Account Managers, UNIX and Windows technicians, and other departments
• Involved in ILMT Agent Deployments and Oracle/SQL Upgrade project which includes various UNIX builds of different OS platforms across various data centers.
• Worked with volume managers such as VERITAS volume manager and SVM.
• Co-ordinated with various cross functional teams across IT operations to make sure smooth functioning of projects.
• Worked in close quarters with DBA Team, in order to assist with kernel parameters adjustment as per the requirements.
• Every day operations of resolution on Linux based issued though ticketing system SMP in compliance to SLA cycles.
• Application installations and management on IBM AIX 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.
• Worked with the websphere/Jboss application team and assisting them during application patching.
• Automating many day to day tasks through Bash scripting.

Environment: Red hat Enterprise Linux 4.x/5.x/6.4, AIX 6.x, Solaris 8/ 9/10, Tivoli Storage Manager, VMware ESX5, Tivoli Net backup, and Web sphere. Windows 2008 servers, Windows 2003, IIS 7.0 7.5.

Confidential

Linux/Unix Administrator

Responsibilities:

• 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.
• Installation of Solaris 9, 10 using Jumpstart on Sun Fire and Enterprise server using Jumpstart, custom configuration like installing packages, configuring services.
• Experienced in using Puppet/chef management tools for RHEL and also configuring for automation of Red hat server management.
• 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 Veritas Cluster Server. File system Tuning and growing using VERITAS File System VxFS , coordinated with 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 with RHEL4.6, 5.3 as guest OS.
• Creating and deleting and managing user accounts and managing user quotas on the Network.
• Configuring DNS, DHCP, NIS, NFS in Red Hat Linux 4.0 other Network Services, Linux kernel, memory upgrades and swaps area.
• Worked on joining Linux/Solaris clients to authentication server using LDAP.
• Administration/Configuration of Print Servers/Clients in the 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 the 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.

Environment: Solaris 8,9,10, AIX 5.3, 6.1, SAN Netapp , Red-Hat Linux Enterprise servers HP Proliant DL 585, BL 465/485,ML Series IBM HS22 Blade center and 7870 blades , ALU ATCAv2, Blade Logic, VERITAS Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6, ,VMware Virtual Client 3.5, VMware Infrastructure 3.5.

Confidential

Linux/Unix Administrator

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of Linux, Sun Solaris, AIX, HP-UX systems.
• Performed automated installations of Operating System using Jumpstart for Solaris and kickstart for Linux.
• As a Solaris administrator primary responsibility includes building of new servers which includes rack mounting, installation of OS, configuring of various OS-native and third party tools, securing of OS, installing configuring, job scheduling.
• Worked on management and installations using Satellite and also using Puppet/Chef.
• Installation and configured Solaris 10 with Zones, Containers and Ldoms.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
• Involved in Server sizing and identifying, recommending optimal server hardware based on User requirements.
• Installation and configuration of Veritas Storage Foundation Suite::Veritas Volume Manager, Veritas File System, Veritas Cluster Server and Oracle SF RAC.
• Created File systems from local storage as well as NFS partitions for application portability
• Set up Linux servers for LAMP implementations and readiness
• Configured Sun servers M4000 and M5000 for operational readiness upon OS installation
• Set up Sun servers for SAN-through-FCP boot as against booting from internal hard disks
• Set up Linux servers for iSCSI LUN boot instead of using local hard disks
• Built virtualized Linux servers on ESX and Blade servers to host multiple applications on same chassis across different server hosts
• Built servers according to standards specified as per individual applications
• Installed the Operating System on Solaris and Linux servers and Blades over the network.
• Created Zetabyte file system ZFS in Solaris 10. Created zpools. Exported ZFS from local zones to local zones.
• Installed, configured Windows 2003 and 2008 on HP, IBM and VMware servers.
• Installed packages on Windows 2003 and 2008 servers, configured services, added external storage.
• Installed LPARs, VIOs on AIX p-series and x-series servers.
• RPM and YUM package installations, patch and other server management.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Worked and performed data-center operations including rack mounting, cabling.
• Worked on SQL Developer querying Oracle DB for creating and updating table entries.
• Installed, configured, and maintained WebLogic 10.x and Oracle 10g on Solaris Redhat Linux.
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
• Installing and configuring Apache and supporting them on Linux production servers.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers, NMAP.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage.
• Experienced in Troubleshooting critical hardware and software issues and other day-to-day user trouble tickets.
• Adding servers to the domain and monitoring them using spectrum, sitescope, cacti.

Environment: Red-Hat Linux Enterprise servers HP Proliant DL 585, BL 465/485,ML Series , Solaris 8,9,10, AIX 5.3, 6.1, SAN Netapp , BladeLogic, Veritas Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6, ,VMware Virtual Client 3.5, VMware Insfrastructure 3.5.

Confidential

Linux/Unix Administrator

Responsibilities:

• Installation and administration of RHEL 4.0/5.0 and SUSE 10.x.
• Configured kickstart server and updating/applying patches to the servers using Redhat Satellite server.
• Remote system administration using tools like SSH, Telnet, and Rlogin.
• Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.
• Custom build of Windows 2003 and Windows 2008 servers which includes adding users, SAN, network configuration, installing application related packages, managing services.
• Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.
• Automation of jobs through crontab and autosys.
• Installation, configuration and administration of VMware, Solaris Zones, Containers and Ldoms.
• Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
• Worked with project manager and auditing teams to implement PCI compliance.
• Build LPAR and DLPAR system and Installed AIX 5.2, 5.3 on LPAR using NIM.
• Installed and configured Virtual I/O Server V1.3.01 with fixpack8.1.
• Integrating Weblogic 10.x and Apache 2.x and deploying EAR, WAR files in Weblogic Application servers.
• Management and monitoring of various services using Service Management Facility and Service Administration.
• Organized various meetings with teams as mentioned above for tracking their requirements as inputs to get this done and designed the plan/steps involved and took user approvals.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.

Environment: Solaris 8,9,10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, E25K, E4500, SunFire V440/880, DMX 3 DMX4, Siteminder, SonicMQ 7.0, VxFS 4.1, VxVM 4.1, SVM.

Confidential

Systems Administrator

Responsibilities:

• Installation and configuring of SUN Solaris and Linux servers.
• Involved in Building and configuring Solaris 8/9/10 using Jump start server and Red Hat Linux Servers using KickStart server as required for the project. Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/Staging.
• Incident management for Unix Servers Solaris, Linux .
• Installed and configured Solaris 10 servers with Zones and containers with Sun ZFS.
• Extensive use of Veritas Volume Manager for Disk management, file system management on Sun Solaris environment.
• Created Zetabyte file system ZFS in Solaris 10. Created zpools. Exported ZFS from local zones to local zones.
• Installation and configuration Veritas NetBackup on Sun Severs and performing Backup using Veritas Net Backup.

Environment: Solaris 8/9/10, Red Hat Linux 4/5, BMC Tools, NAGIOS, Veritas NetBackup, Korn Shell, Bash Scripting, Veritas Volume Manager, web servers, LDAP directory, Active Directory , BEA Web logic servers,SAN Switches, Apache, Tomcat WebSphere, Weblogic application server.

Confidential

Systems Administrator

Responsibilities:

• Installation, Configuration, Up gradation and administration of Sun Solaris, RedHat Linux.
• User account management and support.
• Jumpstart Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SSH, LDAP integration.
• Managing file systems and disk management using Solstice Disksuite.
• Involved in Installing and configuring of NFS.
• Worked on Solaris volume manager to create file systems as per user and database requirements.
• Trouble shooting the system and end user issues.
• Responsible for configuring real time backup of web servers.
• Log file was managed for troubleshooting and probable errors.

Environment: Sun Solaris 2.6/7, SUN Ultra Enterprise 6000/450, SUN Ultra 10/5/2/1, Windows NT 4.0, RHEL 3.x.