Professional Summary:

• Around 7 years of IT experience in Linux engineer with extensive experience in Solaris, HP-UX, Redhat Linux, SUSE, Ubuntu and Windows XP, 2000/2003 Administration.
• Experience in supporting Systems connected to SAN and NAS devices like EMC CLariions and Celerra and NetApp NAS devices.
• Experience in supporting Systems running different versions of Linux Redhat, CentOS, SUSE, Ubuntu OEL on x86 HW like HP, Dell, IBM and Cisco UCS including rack and Blade servers.
• Installed, configured and maintained DNS systems using BIND, Route53 AWS , PowerDNS.
• Troubleshooting DNS issues using DNS utilities like nslookup, Dig etc.
• Excellent scripting skills in UNIX Shell, Perl and python.
• Developed and modified multiple automation scripts in performing system level tasks across servers both in Perl and Bash.
• Experienced in Amazon EC2 setting up instances, virtual private cloud VPCs , and security groups.
• Extensively worked on configuring Tcp/Ip network and using Tcp/Ip protocols.
• Well versed with automation tools like Puppet, Kickstart, Jumpstart, Cheff and FAI.
• Setup Internet load balancing on Multiple ISP, Firewall, Port forwarding, IP routing using IPTABLES.
• Experience in installing and managing MS SQL on Windows servers and MySql on Linux and involved in fine-tuning and also writing SQL queries.
• Proficient in installation, configuration and maintenance of applications like Apache, LDAP, and PHP.
• Well versed with various services like FTP, SFTP, Sendmail, Mailx. DHCP, NFS.
• Performed P2P and P2V migrations across OpenVZ, VMware and Amazon EC2 environment.
• Involved in automation using scripting configuration softwares like Puppet and Chef.
• Installing, upgrading and configuring SUN Solaris 8, 9 and 10 on Sun Servers Using Jumpstart Servers.
• deployed Linux and Ubuntu on AWS environment.
• Experience working with AWS Cloud computing and involved in creating AWS instances and
• Hardware support for high-end servers built by IBM, SUN, Dell, Super micro, and Hewlett-Packard HP servers.
• Extensive experience in installing, configuring, troubleshooting, maintaining, implementation, and support on Redhat Linux and Ubuntu.
• Experience in Migrations at host level using different software likes EMC Open Migrator, Redhat LVM and Veritas Volume Manager.
• Experience working with VMWare ESX 3.5/ 4.0/5.0 and Redhat KVM.
• Experience working with HPUX 11i V1, V2 V3 on PA-RISC and Itanium HW.
• Worked on Vblock 300 Model HX and performed P2V migrations from x86 HW to VBlock.
• Configuring and administration of Linux servers running SUSE and Redhat.
• Experience in performing P2V, V2V migrations using VMware Converter.
• Experience working with HP HW like HP Proliant G4,G5, G6 G7, DL360, BL460 and also experience in Blade Enclosure's like C6000 C7000.
• Experience in supporting and maintaining production servers.
• Expertise in disk, file system management, Volume Management using VERITAS volume manager, Solaris Volume Manager, VERITAS File System.
• Supported high availability, data replication, fail-over using Veritas Cluster Server 3.x/4.x in SAN environment.
• Experienced working on SMF, Zones Containers and have working knowledge of ZFS, LDOM's.
• Experience in Oracle installation, worked with DBAs on System Performance Tuning for Oracle.
• Extensively worked on configuring administering NIS, NIS , NFS, DNS, DHCP, Mail servers.
• Highly motivated, energetic, quick and independent learner.
• Exceptional ability to quickly master new concepts.

Technical Summary:

Operating Environments Redhat EL v 4.x, 5.x, 6 beta, SUSE v9, 10.0, 11.x, Ubuntu v 6.10,

• 9. 10, Win NT/98/XP/Vista/7, Sun Solaris v9, 10, HP UX 10.2, 11.31, 11i v3, IBM AIX v 5.x, 6.x, VMware ESXi 5.0
• Software : VERITAS Volume Manager 4.x, 5.x, VERITAS File System 3.x/4.1,
• VERITAS Cluster Server 4.x, Solaris Volume Manager.
• File System : UFS, VxFS, ext2, ext3, NFS,ZFS, JFS.
• Storage : EMC Symmetric, Clarion, Sun Storage D1000, A5000/5200, NetApp
• Virtualization : Zones, Containers, LDOM's, LPAR's.
• Hardware : Sun Fire v880/V480/V240/V210/V440/280R/6800/4800/3800/ E10K, 15K, 25K Ultra-5/10, Enterprise 6500/5000/450/420R, T5440, T2000, T5120, M4000, M5000, M6000, IBM RS 6000, pseries, Power edge 2850/1850, HP/9000K,IBM RS/6000, rp3440, rp5470, rx3660, rx6600, HP C7000 and C 6000 Blade Enclisures.

Languages C, C , Java, XML, PHP, PL/SQL, Perl, Python, Ruby, Korn Shell ksh , Bash Shell sh .

Database Servers Oracle 8i, 9.2 on Solaris and Redhat Linux and Win NT/2000, MySQL 7, 2000 on Win NT/2000, MS SQL.

Networking Protocols SNMP, SMTP, TCP/IP, IPX/SPX, OSPF, BGP, IGRP, EIGRP, PPP, DNS.S, UUCP X. 25, LAN, WAN, ARP/RARP, FTP/TFTP, RIP, DHCP, NIS, NIS , Automounter.

Server Management SUN Solstice Disk and Admin Suites, VxVM, SMC, HP Open View, Nagios, Zenoss, Network Node Manager, Compaq Insight Server Manager Intel LAN Desk Manager, BMC Patrol and Predict., Puppet, AMAZON AWS Cloud Watch and Amazon EC2 Instances.

Desktop Applications Acrobat, Paint Shop Pro, MS Office, Novel Group Wise, Corel Perfect Office, MS Works, Open Office, Dreamweaver, FrontPage, etc.

Internet and WWW Apache Web server 1.2, 1.3.x, 2.x, on Windows, Linux and Solaris.IIS 4.0, 5.0, 6.0, iPlanet 6.x, WebLogic 6.x, 7.x, 8.x, 9, 10, JBoss 4.2.x, Sendmail, Postfix, Mozilla, Webmin.

Security Software/Hardware Checkpoint 2000, VPN -1/Firewall -1, CISCO PIX Version 5.1, 6.2,

Iptables 4 and iptables 6.

Professional Experience:

Confidential

UNIX Engineer

• Installation and configuration of Solaris 9/10, SUSE and Redhat Linux 5.x/6.x on large distributed environment. Experience in using Solaris Jumpstart.
• Experience managing NFS shares and file systems from NetApp filers and EMC NAS devices.
• Perform migrations.
• Help refine and document migration procedures and protocols.
• Work with DBA and application support teams to ensure smooth transitions.
• Troubleshoot issues that arise during migrations, escalating as necessary.
• Verify and obtain sign-off from application support teams .Document all changes.
• Experienced ZFS on Solaris 10 Created Pools and Implemented ZFS mounts for non global zones for a specific application.
• Experience working on Vblock HW to perform ESX and Redhat Installations.
• Configured Various Network services such as LDAP,NFS, NIS, DNS,NIS,NIS and Sendmail in RedHat Linux and Solaris servers.
• Created LDOMS and Zones on Solaris servers.
• deployed Linux and Ubuntu on AWS environment.
• Experience working with AWS Cloud computing and involved in creating AWS instances and
• Experience with working on Vblock Infrastructure to perform Virtualization using VMWare
• Experience with migration of RHEL 5.x/6.x from HP Proliant BL465c and Sun Blade x8440 hardware to vblock and HP C7000 Blade Enclosure's.
• performing tasks on Git, SVN and other control system.
• Experience working with vi editor.
• Well versed with automation tools like Puppet, Kickstart, Jumpstart, Cheff and FAI.
• Supported Public and Private cloud environment.
• Installation of VMware ESX and creating Virtual Machines from scratch and from templates.
• Installation and configured SUSE, Red hat 4.x, 5.5, using Kickstart with PXE for LAMP installations.
• Experience with Virtualization techniques.
• Configured yum repository server using Chef on RHEL 5.7 in VMware environment.
• Involved in heavy Automation using scripting.
• Migration of applications from Linux 4.x to 5.5,5.6 and resolving any dependency issues after live upgrade.
• Well verse in Python, Ruby and Unix scripting languages.

Confidential

Sr Unix/Linux Systems Administrator

• Installation and configured SUSE, Red hat 4.x, 5.5, Ubuntu on Dell Power Edge Blade servers using Kickstart with PXE for LAMP Linux, Apache, MySQL and Perl/PHP installations.
• Installation and Administration of HPUX 11I v1 v 3, Solaris 9, 10 on SPARC and x86 servers Enterprise Servers for test lab, production and disaster recovery setup.
• Setting up of private networks and Sub-networks using Virtual Private Cloud VPC and creating security groups to associate with the networks.
• Deploying enterprise software web services based in AWS.
• Familiar with Linux environment.
• Experience in performing P2V migrations from Dell and HP Hardware running Solaris 9,10 and RHEL 5.x to Vblock 300 EX with UCS blades and EMC VNX storage.
• Migration of applications from Linux 4.x to 5.5,5.6 and resolving any dependency issues after live upgrade.
• Experience in building Virtual Machines on VMware ESX 4.0.
• Implementation of VMware Infrastructure 3 for Linux Red hat 5.5 Ubuntu with VMware ESX 3.5 4.1a and using Virtual Center 2.5 and administered the VMs with VI client.
• Setting up active-passive HA environment in VMware using Linux HA.
• Experience with configuration management database Verdad .
• Configured CMDB to maintain a database of the available inventory.
• 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, Jboss, Tomcat and Web Sphere application server and Web sphere IHS including troubleshooting.

Confidential

Sr UNIX Administrator

Responsibilities:

• Involved in installing, Configuring and administration of Linux, Windows, Solaris 8, 9 and 10 servers by using Kickstart Jump Start server.
• Supported various application running on Solaris 8, 9, 10 Red Hat Linux4.x/5.x.
• Worked on Patch and Package administration, installed various third party tools on servers.
• Worked extensively on troubleshooting including file sytem full, server panic, network troubleshooting and used various tools like vmstat, netstat, iostat, sar, prtdiag, ping etc.
• Involved in preparing Pre Migration and Post migration documents.
• Experience installinh HP RUM on Redhat Linux servers.
• Worked on new file system creation on EMC SAN, drivers installation Emulex, qlogic , worked on EMC powerpath etc.
• Experience in Installing Open Migrator on Solaris and Redhat Linux.
• Worked on Veritas Cluster server oracle databases etc for high availability.
• Installation and configuration of VERITAS Storage Foundation Suite, VxVM.
• Supported various backup teams - VERITAS Netbackup and TSM for backup administration.
• Installation of SSH and configuration of key based authentication.

Confidential

Sr Linux/UNIX Administrator

Administration of around 1500 servers containing Solaris Linux running WebLogic, Oracle SAP development, pre-production servers and Production Servers.

Responsibilities:

• Installation of Redhat Linux on x86 HW like HP and Dell Solaris 9, 10 operating systems on SPARC platforms.
• Extensively used SMF for service management for managing services on Solaris 10.
• Created Projects on Solaris 10 operating system for installation of applications.
• Performed volume management taks like mirroring using SVM, VERITAS Volume Manager 4.x/5.x and HPUX LVM.
• Supported Orcale DB and Oracle RAC on Redhat environments and involved in writing queries on Postgresql.
• Troubleshooting on Sun Java System Web Server 6.0 and Apache 1.3.x web server on Solaris with experience in installing SSL certificates.
• Administered WebLogic 9 application servers which included installing SSL certificates.
• Experience virtualizing Redhat servers by creating VM's on ESX 3.5 and vSphere 4.1.
• Configured and Troubleshooted LDAP issues by configuring LDAP clients, creating ldap user accounts etc.
• Experience working with Security audit team and also make server secure by running security scripts.
• Experience setting Linux to support RAC, Orcale and Weblogic installations and performed trouble shooting and debugging on performance isues.
• Experience working with SAN environments majorly servers connected to EMC Clariions, DMX and Celerra's.
• Experience in performing vMotion on VMWare ESX Cluster servers.
• Experience installing and configuring scheduling softwares like ControlM on Linux and Solaris.
• Experience working with DNS and Monitoring software's like Zabbix and Nagios to manage servers in the environment.
• Experience working with servers connected to on SAN and NAS environments like EMC and NetApp.
• Experience working with vi editor.
• Experience setting up cluster environments like Veritas Clustering for high availability of Business Critical Applications.
• Installation of Oracle 9i, 10g on the Sun servers running Solaris 10 and Redhat Linux.
• Creating resource pools, zones and containers on Solaris 10 and T2000 to optimize and consolidate the use of the hardware.
• Experience working with EMC Powerpath and Redhat and Solaris Native multipathing.
• Patch and package administration for installation of patches as per the company policy and installation of packaged application
• Performed tasks on F5 load balancer like ordering new certs ,installing and renewing SSL certificates, bouncing servers with performance issues after taking them out of the server pools, ID maintenance,
• User, Group management for all the UNIX servers
• Modifying/ Writing scripts in Bash and Korn shell for optimizing day to day administration
• Editing crontab in post installation of Unix servers
• Intalling HP ovo monitoring client application on Solaris 10 server.
• Worked on N1 application owned by SUN.

Environment: Solaris 8,9,10, Redhat EL 3.x, 4.x, Sun Java System Web server 6.0, Veritas Volume Manager 4.1, 5, BigIP F5, Oracle 9i, Postgresql, DNS, NFS, LDAP, Sun T2000, M5000, v480, v880.

Confidential

Sr UNIX Systems Administrator

Responsibilities:

• Supported applications running on Solaris 8, 9, 10 and Linux Red Hat, SUSE .
• Worked on Veritas Volume Manager, Solaris Volume Manager for disk activities, file systems.
• Troubleshooting Veritas cluster server 3.x in SAN environment for high availability.
• Worked on solaris 10 zones and Service Management Facility.
• Administrative tasks such as System Startup/shutdown, disk replacement, crontab, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
• Installed and configured web sphere servers running Linux and Solaris 8/9.
• Setting up the thresholds on the parameters CPU/Memory/Disk/Network and alerting the users when the usage reaches the thresholds.
• Setting up Virtual hosts in SunOne web server,Supported Interwoven and Virtuozzo.
• Extensive use of volume management tool using Veritas Volume Manager to create disk groups, volumes with RAID 5, 0.1, 10 architecture and layered volumes.

Confidential

Linux/Sun Solaris Administrator

Responsibilities:

• Experienced in Installing, Upgrading, Configuring and Administrating Solaris 7, 8, 9/10 on various Sun hardware.
• Used smitty AIX tool for Printers, Applications, Processes, Services, Software Licence Management, Software Installation, Users and Security Management.
• Perform user management, group management and device management in Sun Solaris.
• Experience in Job scheduling, and monitoring of various jobs running.
• Installation of software packages and checking the integrity of the installed packages
• Configured and maintained NIS, NFS, and DNS client
• Performance monitoring and tuning of file systems: By using commands such as SAR, uptime,

Confidential

Linux/Sun Solaris -Administrator

Responsibilities:

• Installation, Configuration Upgrade of operating systems Solaris Windows 2000.
• Monitoring System performance and do kernel tuning to enhance the system Performance.
• Configuration of NIS, NFS, sendmail on Solaris.
• Installation of Oracle Database Server.
• Responsible for day-to-day System Administration for SUN SOLARIS, and Windows NT servers.
• Solaris Operating Systems upgrade, package installations, updates, patches and software fixes.
• Responsible for troubleshooting, end user and application problems.
• Creating User accounts, Mail account, groups, printer etc
• Installing operating systems, patches, hardware, vendor software packages, system customization