PROFESSIONAL SUMMARY:

• Almost 8 Years of experience as UNIX Administration in REDHAT (5/6), SUN - SOLARIS (10, 9, 8) AIX, knowledge in computer hardware and I/O devices.
• Strong experience in System Administration, Installation, Upgrading, Patches, Migration, Configuration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX (SUN Solaris, Red Hat Linux, AIX)Systems.
• Involved in complete Administration tasks on UNIX (SUN Solaris, AIX, RedHat Linux) and documentation for the projects executed.
• Installed, monitored and supported Web and Application Servers on Solaris and Linux environments And participated in migrating the environments and datacentre migration.
• Good knowledge on operating systems architectures.
• Strong technical background in Storage, Disk Management, Logical Volume Management (LVM), and logical partitioning.
• Experience in using VERITAS Volume manager. Creating new file systems, mounting file systems and un-mounting file systems, Hands on experience in Tivoli Storage Manager (TSM).
• Extensive experience in Installation and configuration of Windows 2008, 2003, 2000, Active Directory on single or multi domain platforms.
• Creating and maintaining users, profiles, security, rights, disk space and process monitoring.
• Setup and configured network TCP/IP on SOLARIS including RPC connectivity for NFS.
• Created mount points for Server directories, and mounted these directories on Solaris Servers.
• Proficient in configuring JumpStart and KickStart servers to initiate installation of Solaris and RedHat Linux on several machines at once.
• Experience using diagnostic and debugging tools such as Dtrace, Strace, truss and Top.
• Worked on group/user administration, startup and shutdown scripts, crontabs, file system maintenance and backup scripting and automation.
• Working experience in Nagios network monitoring software administration tool.
• Highly experienced with Storage Administration like EMC SAN Administration, NAS Administration, Veritas NetBackup and Legato.
• Experience working with Storage Area Network (SAN)
• Experience in writing Shell scripts using ksh, bash and perl for process automation of databases, applications, backup and scheduling.
• Expert in setting up SSH, SCP, SFTP connectivity between UNIX hosts.
• Experienced in DNS, NIS, NFS, NSLookUp, Snoop FTP, NIS, Samba Server, LDAP, remote access, security management, and system troubleshooting skills.
• Proficient in System Backup and Recovery from tapes using ufsdump, ufsrestore, tar and cpio.
• Performance Monitoring & Tuning - iostat, vmstat & netstat, nfsstat.
• Experience configuring Firewall and security using SSL, KERBEROS, IPchains, IPtables, TCP Wrappers, Tripwire, and port scanners.
• Security compliance on the OS for SOX and internal audits.
• Experience in performing DBA tasks such as creating users, roles, tables, tablespaces, imports and exports for development of databases.
• Excellent client relation skills and the drive to complete tasks effectively, and efficiently where customer services and technical skills are demanded.
• Ability to communicate effectively with all levels of management, and the client community.
• Provided production support in an on-call rotation in a 24x7 environment.

SKILLS:

Operating Systems: Solaris 8/9/10, Linux 3/4/5/6, Windows 2000/2003/2008 Server.

Windows NT4.0, Windows 98/2000/XP.:

Hardware: Sun Servers (E4500, E3500, M5000 and E450), IBM RS/6000p520, p550, p570, p590, p595, p670, p690, Ethernet hubs, and switches.

Tools: Sun Cluster 3.2, VERITAS Netback up 6.0, Admin Tool, UfsdumpVERITAS Storage Foundation Suite, Solaris Volume Manager, File manager, send mail.

Languages: Shell Programming, SQL, PL/SQL, and HTML.

Databases: MySQL

Networking: FTP, TCP/IP, NIS, NFS, DNS, ALE, and BAPI.

Scripts: Bourne, Bash, Korn Shell, PHP, Perl

Storage and Backup: VERITAS Net Backup.

PROFESSIONAL SUMMARY:

Confidential, Tampa, FL

Sr Linux/Unix Admin

Responsibilities:

• Installing, upgrading and configuring Red Hat Linux 4.x, 5.x, and 6.x using Kickstart Servers
• Building & configuration of Redhat 6, AIX.
• Installed and configured several hundred Red Hat Blade and VMware ESXi 4.1, 5& 5.5 Virtual Environment.
• Worked on setting up and Building of Veritas Cluster Server.
• Experience in Installation of VMware ESX server and creation of VMs and install different guest OS.
• Worked with Oracle DBA’s for restore of Oracle Instance and Building Oracle RAC Cluster.
• Experience in scripting using BASH & PERL, Mail Server, Samba Server, Apache Server.
• Worked on creating Virtual machines.
• Installed and configured Apache on Linux and Solaris and configured Virtual hosts and applied SSL s.
• Support of Servers that is already in platform.
• Worked on SAN migration in both AIX and Linux Servers.
• Worked of configuring Network NIC, PVLAN and Network Protocols such as NTP/ NIS/ TCP/ DNS/ DHCP/ HTTP/ SMTP/ SFTP/ FTP/ SCP/ NFS.
• Enable crontab for users on both AIX and Linux Server
• Creating of ticket for escalation and getting it resolved
• Worked on patching of servers
• Provided 24/7 on-call support on a weekly basis.

Confidential, Lansing, Michigan

Linux/Unix Admin

Responsibilities:

• Member of Unix Administrator team with responsibilities that included migration from one data center to another datacenter, troubleshooting VCS and working closely with Sybase and Oracle team, and Weblogic administrator.
• Worked on variety of Linux platforms Red Hat Linux, Solaris which includes installation, configuring and maintenance of applications on this environment.
• Rack the Servers in Format and put memory and Disk which is allocated for all these Servers.
• Work on Migration of servers, upgrading patch P4, MP4, and veritas and VCS upgrade from 5XX to 6.0.
• Involved in design, configuration, installation, implementation, management, maintain and support for the Corporate Linux servers RHEL 4x, 5.x,
• Jumpstart the Server according to OPCO Engineering Standard.
• Configure ALOM, ILO through Serial Console.
• Login and Verify the server before start work
• Plumb the production IP and back up IP.
• Implemented Bash, Perl, Python scripting.
• Encapsulation and mirroring to all the servers.
• Destroying the disk group.
• Create multiple users and make their password inexpiable.
• Changing console Password.
• Install power path for vmax and clarion.
• Install VVM VCS 5.0.
• Install autosys 4.5.
• Install Tivoli V06.
• Create dg, volume, mount point and mount it.
• Give it to Sybase and Oracle admin.
• Put that Oracle and Sybase in Cluster, which are 4 or 5 nodes.
• Certify the cluster (do every kind of checking mention by Symantec.
• Troubleshooting the crash system and open a case with Symantec.
• Documentation.
• Daily troubleshoot crons, memory allocation to oracle and Sybase.
• Work with Radiant and Symantec about crash server.
• VERITAS volume mirroring for migration.
• Upgrade VERITAS from 5.X to 6.X.

Confidential, De Witt, NY

Linux Administrator

Responsibilities:

• Installation/configuration of Redhat 4/5/6 using kickstart Server and Solaris 9/10 using Jumpstart.
• Performing Post Build activities like Setting up Backup interface/ NIC bonding/ Loading additional Packages/ Joining the server to Active Directory, etc
• Worked with EMC SAN to acquire storage and setting up Veritas/LVM file-systems.
• Worked on setting up Veritas clustering.
• Worked with Oracle DBA’s for restore of Oracle Instance and Building Oracle RAC Cluster.
• Worked on creating Virtual machines using VMware and CHP software.
• Experience with working on Solaris Zones/Containers.
• Performed hardware, operating system, security and application updates/patches on these systems as well as operating system hardening based in industry standards.
• Experienced working with sudo, Vintella Authentication and Powerbroker.
• Experienced working on Datacenter Migration Projects.
• Mirrored existing logical volumes & created volume groups, disk groups & set up the RAID (0,1,5) using VERITAS volume manager. Migrated the existing UFS data to VxFS for best possible IO performance.
• Installed/Configured the WebSphere server, JBoss application server, Weblogic server; Managed tuning and performance of high profile applications running on them.
• Working Knowledge of Network Protocols such as NTP/ NIS/ TCP/ DNS/ DHCP/ HTTP/ SMTP/ SFTP/ FTP/ SCP/ NFS.
• Worked with Enterprise Security Manager to get Security for servers before moving them in to production.
• Responsible for Failover/Pre-Failback/Failback and verification of the same in case of outage in the high environment using VCS (Veritas Cluster Server).
• Developed Cron jobs and Shell Scripts (Perl, ksh) for automating administration tasks like file system management, process management, Server reboots etc.
• Worked on Datacenter Moves where servers were moved from one datacenter to another.
• Working very closely with vendors (IBM/HP/Sun/EMC) in resolving any hardware/ Storage and Network issues.
• Monitoring the system performance and doing the kernel tuning to enhance the system performance.
• Troubleshooting Production Server Problems related to web applications, Sendmail, disk space, file system, DNS and network connectivity.
• Experience with patching both manually and automated.
• Provided 24/7 on-call support on a weekly basis.

Confidential, Knoxville, TN

Unix/Linux System Administrator

Responsibilities:

• Experienced in redefining volume groups, migrating, mirroring logical volume using VERITAS VOLUME MANAGER and SDS.
• Installed & configured containers, zones with in the SUN Solaris 10 Zetta Byte File System (ZFS). Used the Solaris 10 Service Management Facility (SMF) to simplify management of various system services.
• Configure the systems for TCP/IP Networking with the existing Local Area Network. Setting up SSH and SCP features between SUN systems and other UNIX hosts.
• Extensively used glance, top, ifconfig, netstat, nfsstat, ndd, traceroute, Siteminder, nslookup, tcpdump etc. for System configuration and performance monitoring.
• Configured Ethernet VLANs with RS/6000 IBM Servers, Cisco Routers (1741/3745 series) and Cisco Switches (Catalyst 2912) utilizing RJ45 CAT5 cables for the internal LAN, and a T1 fiber uplink across a Cisco backbone for connection on the WAN.
• Using Veritas Volume Manager for Backup and Restore from SCSI Hard Drives on Clariion CX200 and Tape Drives using various policies like daily, incremental and differential backup.
• Used Cascaded SRDF (Symmetrix Remote Data Facility) for extended distance replication, using a dual role SRDF R2/R1 (R21) device that can act an as R2 and R1 at the same time.
• Supported the SAN storage environments including Brocade switches, EMC arrays, DS4300, DS4700 and Emulex HBAs.
• Failover/Pre-Failback and verification of the same incase of outage in the high environment using VCS (Veritas Cluster Server).
• Configure IBM DS4000 storage, configure arrays and created logical drives and mapped with the AIX hosts.
• Experience with patching both manually and automated.
• Created vmdisks, plexes, volumes using the Volume Manager as per requirements and replaced failed disks using vxdiskadm.
• Wrote shell script to setup cron job for backup of databases and crucial system tables, nightly batch jobs for data transfer.
• Upgrades, patches and OS installation using Jumpstart for SUN Solaris and Kickstart for Linux.
• Installed and configured VMware ESX server and SUN VirtualBox to allow virtualization of a physical server to virtual servers that provide running multiple Operating Systems on a single server in a data-center environment for dramatic reduction in costs.
• Worked on Linux (Red Hat/SUSE 9) in conjunction with Solaris 8, Apache 2.0 web servers and an Oracle 9 database.
• Automated tasks by writing Bash/C/Korn/PHP/Python and Perl shell scripts to simplify various UNIX and Linux environments.
• Configured and installed Logical Domains (LDOMs) and Zones for running applications in different zones in Solaris 10.
• Configured a Jumpstart server by editing the sysidcfg, rules and profile files and establishing Jumpstart software alternatives troubleshooting and resolving problems.
• Storage migration from Hps Storage Works to EMCs DMX 1000 and 2000 storage and OmniBack/Hitachi 9500 series storages.
• Installation and providing support for Autosys on UNIX servers and troubleshooting NFS & Automount issues.
• Support/Install/Upgrade TSM, monitoring datacenter backups and troubleshooting backup errors.
• Installation, configuration and troubleshooting Weblogic, NetApp, Clearcase, Apache Tomcat.
• Writing and modifying shell scripts (Ksh, tk, Jython, Perl) to perform automated administration tasks.
• Installed and configured domain wide mail systems utilizing Postfix with multi subnet and a single relay host for internal mail forwarding, all external mails were handled by Sendmail and SMTP.

Confidential

Unix/Linux System Administrator

Responsibilities:

• Installed and configured RedHat Linux (5.x), Solaris8/9/10(SPARC & X86), AIX 4.3/5.1/5.2/5.3/6.1 on AIX RS6k platforms, pSeries and BladeCenter and maintain upgrade packages, monitoring and analyze performance running with Oracle 10/11g database servers.
• Host Integration of Symmetrix and Clariion with Solaris, Linux, Vmware ESX and Data Migration on Symmetrix DMX/Vmax.
• Configured LDAP clients on server test and troubleshoot for maintaining network and data security.
• Configured Jumpstart server for Solaris 10, Kickstart server for red Hat Linux, NIM for AIX and performed image installations through Network.
• Installing, configuring and maintaining AIX/Linux servers including the Logical Partition (Lpars) on pSeries servers as required.
• Extensively used RPM RedHat Linux tools to install packages and patches for RedHat Linux server and Vir-Install, Vir-manager to install and manage the Virtualized OS.
• Used EMC Solutions Enabler APIs for the storage interfaces that provide an access mechanism for managing Symmetrix third-party storage, switches, and host storage resources.
• Sun Cluster to VCS Migration - Migration of Cluster infrastructures from Sun to VERITAS (VCS / VxVM / VxFS)
• Administered server consolidation program using VMware ESX server and VMware Virtual Center, using Virtual Center, ESX, creating VM's, using/building VM templates and customization files and scheduling task.
• Managed Storage Connectivity for Solaris systems - Software/Hardware used in connecting to SAN fabric, development of scripts to populate sd.conf and verify DMP connectivity, HBA logging, etc.
• Extensive use of Logical Volume Management (LVM), creating Volume Groups, Logical volumes and disk mirroring for Linux/AIX.
• Troubleshooting the network and Domain Name System (DNS) issues and taking care of VERITAS Netbackup server and client
• Connectivity problems and Sun server consolidation via virtualization (LDOMs and Containers).
• Installed and configured WPARs Manager and agent to prevent memory and migration Manager Database from Apache to DB2.
• Developed automated scripts/system monitoring tools/ testing tools using shell and Perl Sripting.
• Planned and performed the upgrades to Linux (RHEL 4&5, SuSE9, Centra os) OS and hardware maintenance like changing memory modules, disk devices & SCSI devices.
• Setup and configured the SAN Storage DS8300, DS4300, DS4800, Sun Storage Tek 6140 Array, provided support for multi-path Fiber Channel storage systems.
• Set up Tivoli Storage Manager (TSM) for backup automation with policies configuration for Web based databases, setup consisted of server and client backup with progressive backup methodology.
• Configured the cluster resources and provisioned Tape backups using Veritas Netbackup that includes Fiber zoning for media servers and Tape drivers, configuration of Storage units.
• Migrating various IBM P & I Series Servers to newer IBM Power6 servers using Virtual I/O (VIO) and SAN Volume Controller (SVC), EMC Power Path for migrating Data and host based encryption including Dynamic Multipath (DMP).
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, SQL database and firewalls in both development and production.
• Deployed and monitor HA environment applications utilizing VERITAS Cluster Services and Linux Cluster.
• Install/configure new servers on Netbackup Master Servers; implementing of hardware and OS failures, system dump analysis.
• Setup and configured the SAN Storage DS8300, DS4300, DS4800, Sun StorageTek 5320 NAS Gateway, provided support for multi-path Fiber Channel storage systems, as well as Solaris servers configured with multiple Fiber Channel (FC) Emulex Host Bus Adapters (HBA) on (SAN).