SUMMARY:

• 9 + years of experience as a System administrator in the areas of RedHat Linux, Debian, OEL, Suse Linux, AIX and Windows environment.
• Expertise in installation, administration, patches, upgradation, configuration, performance tuning and troubleshooting of RedHat Linux 4.x/5.x, Sun Solaris 8.x/9.x/10.x and Confidential - UX 11.x and Microsoft Windows NT 4.0/2000/2003 environments.
• E xpert in Jumpstart, JET, Kickstart, NIM, Ignite Installation Methods.
• Experience working with SAN & NAS devices like EMC Clariions, DMX, VMAX , 3PAR and NAS Devices like NetApp filers and EMC Celerra .
• Experienced working EMC tools like SRDF, Timefinder devices for DR and local replication.
• Experience managing NetApp filers by creating volumes on raid groups and aggregates and sharing to Windows and Unix servers using CIFS & NFS.
• Experience working with Tools like Puppet for Application configuration automation on multiple servers.
• Experience setting up Oracle RAC environment and configuring ASM and RAW disks on SAN.
• Providing 24/7 technical support to Production and development environments.
• File system tuning using Logical Volume Manger (LVM).
• Planned, documented and supported high availability, data replication, business persistent, fail-over, fall-back solutions using Red Hat cluster in SAN environment.
• Expertise in Installing and Managing LDAP, NIS, NFS, DHCP,SAMBA and DNS.
• Experience with Redhat and Sun Clustering.
• Scheduling various jobs such as Planning, implementing, maintaining and supporting information systems in a wide range of computing environments with Windows 2000/2003 Server, Exchange 2000/2003 Mail Server
• Backup jobs, housekeeping, database, proprietary jobs using CRON, EMC legato Networker and BMC Control-M troubleshooting daily job problems.
• Strong experience and understanding of Auto mounts, TCP/IP, SMTP and Printer configurations.
• In Depth knowledge and experience with LDOMs, Server Domains and Zones/Containers .
• Implemented RAID levels Raid 0, Raid 1, Raid 5 for Disk management through LVM.
• Upgrading normal file systems to RAID levels for growing size/redundancy requirements. Replacing bad drives. Recovery of data from crashed Volumes and disk groups
• Extensive experience in installing, integrating, tuning, and troubleshooting Apache, Tomcat and Sun ONE.
• Monitoring the hosts and networks using NAGIOS,Zenoss, Confidential OpenView and BMC PATROL.
• Strong Experience in Weblogic 5.1, 6.1, 7.0, 8.1 and 9.1, 9.2 Application Server and very good experience in Weblogic 6.1, 7.0, 8.1, 9.1, 9.2 Clusters .
• RDBMS installation and support including Oracle, SQL Server, MySQL and use of SQL in various contexts.
• Expertise in creating scripts with Shell, Perl which would help in automation and simplification of jobs.

TECHNICAL SKILLS:

Operating Systems: Linux (RedHat 3.x,4.x,5.x, OEL 5, 6, SUSE Linux 10), AIX 6.1, 7.1 Confidential -UX 10.20,11Iv1,2,3 &, Windows 2000/2003/2008 , VMware ESX 2.x,3.x, vSphere 4.1/5.0, Windows NT/2000/2003

Hardware: Confidential Proliant DL 350, 550 G3, G4, G5 & G6, Confidential Blade C6000 & C7000, Sun Ultra Enterprise Servers (E3500, E4500, E450,E420R,E250),Sun Fire (6800/4800/3800/ v880/v480/v210/v440/280R/15K/25K), Sun Workstations (Ultra 5, 10,20,Blade 100,150,2000). SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, SPARCstation 10, Sun Sparc Ultra 1,5,10.

Tools: Web Sphere Application Server 3.5,4.0, Netscape/iPlanet Server, MQSeries,WebLogic Server, Solstice Disk Suite, VERITAS Volume Manager, VERITAS Net backup 5.1, TSM 5.5, Cluster server 3.5 & 4.1, Sun Cluster 2.x & 3.x,Nagios, PUPPET

Programming Languages: C,C++,java, JavaScript, HTML, KSH, CSH, Bash,Phyton and Perl programming.

RDBMS: Sybase, Oracle 7.x/8.0/9i, MySQL, SQL, Oracle RAC, Netezza

Networks: NIS, NFS & DNS and Firewalls

Protocols: TCP/IP, FTP, SSH, SFTP, LDAP, ssl, SCP, SSL, ARP, DHCP, TFTP, RARP, PPP and POP3

PROFESSIONAL EXPERIENCE:

Confidential, Detroit, MI

UNIX/Linux System Administrator

Responsibilities:

• Installed and configured of hardware and OS (SUSE 10, 11) on x86 servers and Solaris 10/11 on SPARC HW.
• Helped in the Architectural Design for the Implementation of Single Sign On ( SSO ) in the Linux and Solaris Environment.
• Involved in SAN migrations from EMC DMX to VMAX and Clariions to VNX using zfs, Veritas and SVM on Solaris 9/10 and Linux LVM on Redhat Linux.
• Manage file systems using Logical Volume Management, Resize file systems and protect them with LVM Snapshots.
• Installed Solaris 10/11 using jumpstart and created Solaris zones on T, V & M series HW.
• Configure dynamic and static network settings for IPv4 and filter packets, Review file system management concepts, removable media and configure NFS shares with AutoFS
• Detecting System Failure, Resource Failure and hardware failure on SUSE Linux platforms
• Performed OS upgrades (Kernel Upgrades to SUSE 11) for critical servers under production
• Troubleshooting, Working and Maintaining VERITAS Cluster in SUSE Linux Environment.
• Worked with Confidential Integrated Lights Out (iLo) software in effectively managing the server under cluster environment
• Supported the Migration Activity from One DC to another DC.
• Troubleshooting and analysis of hardware and software failures for SUSE Linux servers (core dump and log file analysis).
• Performance monitoring using vmstat, iostat, topas, netstat and nmon and analyzing these reports to figure out any performance issues.
• Configuring NFS on the servers, working with NFS mounts and related issues.
• Creating User, Group home directories and password administering.
• Installing new software / file sets, packages and other third party applications when required by the developer or business.
• Strong scripting knowledge (Perl & bash) to perform administration and automation tasks.
• Managing various scripts to start up and shutdown databases.
• Installed and configured Sudo for users to access the root privileges.

Confidential, Dallas, TX

Unix/Linux Administrator

Responsibilities:

• Performed OS upgrades for critical servers under production.
• Experience in creating file systems on LVM, VxVM
• Involved in Design, Configuration & Implementation of Unix/Linux migration activities from 3PAR to EMC SAN devices like VMAX.
• Involved in 24X7 Production support,Build and Migration Assignments for Solaris and Linux environment.
• Experience in creating global and non global zones running on Solaris 10 and performed patching for non global zones .
• Upgraded Red Hat Linux servers from 5.2 to 5.4 and Solaris 9 to 10 using live upgrade.
• Involved In Migration from Solaris to Red Hat Linux.
• Migrated ORACLE RAC servers using system EMC Openmgrator and effectively worked with the database team to bring up/down the databases.
• Writing Shell and Perl Scripting for automation of job.
• Involved in automation of installation of OE and applications on hundreds of servers using Puppet and Chef.
• Tuning the kernel parameters based on the Oracle and Progress database requirement
• Used Veritas File system (VxFS) and Veritas Volume Manager (VxVM) to configure RAID 1 and RAID 5 Storage Systems on Sun Solaris.
• File system tuning, growing, and shrinking with Veritas File system 3.5/4.x.
• Installed and configured GFS cluster for holding databases.
• Manage users accounts for the team access for Redhat Satellite Server.
• Build channels and pull the packages from master Redhat Satellite Server.
• Experience in supporting Linux servers running Progressive Databases.
• Troubleshooting hardware, software and configuration problems for various protocols and topologies.
• Worked on making DSN entries to establish connction from server to DB2 database.
• Experienced Cloud Computing technology.
• Experienced working on different remote consoles like Confidential -ILO,IDRAC,RackableRoamer.

Environment : Red Hat Linux (RHEL 3/4/5), Solaris 9/10, Logical Volume Manager, Sun & Veritas Cluster Server, Global File System, Redhat Cluster Servers.

Confidential, Irving, TX

Sr. Unix/Linux Administrator

Responsibilities:

• Installation and Configuration of Solaris 10, RedHat Linux 5 operating systems on large distributed environment.
• Configured, administered and effectively monitored Redhat Linux on IBM bladecenter servers.
• Implemented remote installation on servers using RedHat Linux Kickstart and Solaris jumpstart/JET Servers.
• Installed and configured RedHat softwares and 3 rd Party tools using RPM’s and YUM on RedHat servers.
• Experience with Native multipathing MPXIO and EMC powerpath on Linux and Solaris.
• Involved In Migration from Solaris to Red Hat Linux.
• System performance tuning, User administration and security.
• Scheduling Backups, Monitoring & taking failover test of Veritas Clustered servers.
• Monitoring of Tivoli storage logs for restarting any failed backups or trouble shooting any file permission or stale file handling problems.
• Ability to screen and diagnose client inquiries and problems; troubleshoot to clearly understand problems (root cause determination), solve problems, use operational documentation (runbooks)
• Responsible for administering and maintaining RedHat Linux work stations running Apache web server,iPlanet and SUN ONE .
• Configured and Adminstered JBOSS 4.2 on RedHat Linux and Solaris Cluster Nodes.
• Installed and configures Weblogic 9.1.
• Installed and Configured VMware ESX 3.5 server and Installed Red Hat Linux servers on top of it.
• Worked on EMC Legato networker for the backup and data recovery
• Provided eCommerce application support for Java/J2EE based ATG Dynamo and Websphere environments.
• Worked in Data center environment for configuring new Hardware .

Environment : RedHat Linux 5.x, SPARC T2000, T5240 , Solaris 8/9/10, Veritas Volume Manager, Sun Volume Manager.

Confidential, Chicago IL

UNIX Administrator

Responsibilities:

• Installed and automated config 2 html scripts on client LPAR’s and documented the RGA AIX environment by designing a webpage to access the cfg2html and ganglia output.
• GSD331 troubleshooting, find any incompliant servers are Remediate GSD331.
• Installed WebSphere Portal Server 5.1/6.0/6.1 and enabled Web Content management.
• Migrated WAS 5.0 Network Deployment and Base on AIX/Windows platforms to WAS 6.0 ND.
• Experience in NetApp storage devices, setup, configuration, operations and connecting to pSeries hardware.
• Configuration and maintenance of common applications such as NFS, DHCP, NTP, SSH, DNS, and SNMP.
• Perform system installs and performance tuning, configure and administer AIX 5.3, 6.1 LPAR’s
• Perform day to day LVM operations and System Admin tasks
• Create virtual media repository and LPAR dedicated virtual optical drives in the VIO servers to make new installations, cloning and migrations faster and easier
• Set up and troubleshoot issues with Secure Shell in the environment to accommodate script automation and password changes.
• Maintained AIX environment for local Oracle developers
• Installed, monitored and supported Web and Application Servers on AIX and Linux environments.
• Experience with configuring DNS and DHCP on Linux.
• Participate in installing and configuring of UNIX/Linux based Oracle 10g products
• Experience with Integrated Virtualization Manager (IVM)
• Responsible for installation and maintenance of VFSX in a clustered environment
• Experience in installing configuring and administering MQ 5.3/6.0 on AIX, Linux and Windows environments

Environment: Unix, Linux, Vi Editor, Unix/Linux, Redhat Linux, Shell Scripts & Oracle11g, LPAR, DHCP, SNMP.