Technical Skills:

Hardware:

• DELL PowerEdge R-710, R-900 DRAC
• HP Blade Center C-7000 series, BL460 G6/G7 ILO, OA, VCM
• EMC Clariion CX4/CX3, iSCSI AX4 SAN, NAS. Navisphere
• IBM Blade center HS-series/X-Series
• IBM Power 5/6 P550/570
• DELL ML 6000 TAPE LIBRARY
• HP PRO CURVE SWITCHES
• CISCO 6500 series SWITCHES
• NETAPP 6240 On Command Manager

Operating Systems:

• RHEL 4/5/5 Linux, AIX 5.3, 6.1, VMware ESX, ESXi.
• MS Win Server NT/2000/2003/2008.

Networking Protocols:

• TCP/IP, DHCP, DNS, FTP, HTTP, HTTPS, SSH.
• Ethernet 10/100/1000.

Scripting Languages

• Bash, PowerCLI, PowerShell

Applications:

• Visio, Project, SQL, Adobe Acrobat, Photoshop, Microsoft Office- 00/03/07/10 Word, Excel, PowerPoint, Outlook, Access.
• Nagios Monitoring, Whatsup Gold.
• Symantec and McAfee corporate antivirus suite.

Databases:

• MySQL, MS Access, MSSQL, DB2, Oracle 10,11g

Experience:

• Result driven consultant with 6 years of system administration, and operational Support on Red Hat Enterprise Linux, AIX, VMware, VMware Converter, storage configuration, Red Hat clustering.
• Expertise in managing environments with several hundred Physical and VMware Virtual Redhat Enterprise Linux Servers.
• Experience in managing and configuring multipath based solution and well experienced in working with Storage Administrators to configure SAN based LUNs in Redhat Enterprise Linux and AIX.
• Experience building and supporting large AIX environments using both NIM and HMC.
• Strong experience in Administration, Installation, Upgrading, Migration, Configuration, Troubleshooting, Administering Unix systems, Disaster Recovery, Performance and Fine-tuning of AIX 6.1.
• Extensive knowledge in configuring and deploying yum/rpm based packages using Redhat Satellite Server or Private Yum Servers based on the customers environment.
• Expertise in working on various NetApp based storage environments to configure LUNs as Datastores or Expansion of Datastores in VMware vSphere Environment.
• Extensive knowledge of vLAN's, RDP and active directory configuration.
• Extensive experience in implementation and use OpenSource host and network monitoring tools such as BMC Patrol, HP OVSD and Solar Winds suite.
• Extensive knowledge in configuring and deploying yum/rpm based packages using Redhat Satellite Server or Private Yum Servers based on the customers environment.
• Proven Expertise in designing BASH/Perl shell scripts for clients/customers based on their requirement and to assist in automating day to day tasks.
• Proficient in creating documentation implementation and roll-back for changes on over 1000 servers as per company requirement.
• Extensive knowledge in with NetApp and NetApp Filers, along with creating LUNs and initiator groups using Filer View and allocating Storage based on the initator group for shared storage.
• Experience in working on Heavy Operations based environment and delivering 24/7 support as required by the client.
• Managed and grown Ethernet networks and fiber-channel networks in fully redundant layout, performing maintenance.
• Experience in UNIX migrations Solaris to Linux AIX to Linux and RHEL upgradation.
• Expertise in configuration of C-7000 series and flex-10 transceivers.
• Expertise in configuring baseline's to patch and update ESX hosts and guests.
• Experience with working in Production, Development and QA environment.
• Extensive experience in implementation and use Open Source host and network monitoring tools such as Nagios.
• Experience in Active Directory role services. ADDS, DNS, WSUS
• Provide system consultancy, performance tuning, bug tracking, fixing, QA, and software installation, licensing and distribution.

Project Experience:

Confidential

Linux/AIX Administrator

• Installing and configuring Red Hat Enterprise Linux 5 using Red Hat Satellite servers and Virtual Media based installs on several hundred HP Blades as required for UAT/Production Weblogic/Websphere and Oracle Database Server requirements.
• Configured Red Hat Cluster Nodes and HACMP for any legacy applications and verified the daily health check on the Cluster Nodes.
• Install and configure AIX LPAR's using NIM and custom based installs.
• Utilizing HMC to install, configure and maintain LPAR's/DLPAR's.
• Deployed various Red Hat Enterprise Linux virtual builds using a combination of VMware Templates and PowerCli.
• Provided 24/7 on call support for 1000 Red Hat Guests AIX LPAR's.
• Implementing and utilizing network monitoring tools such as BMC Patrol for the AIX Environment and HP OVSD/Solar Winds suite for the RHEL Physical and Virtual environment.
• AIX 5.3 and 6.1 installation, upgradation, migration and troubleshooting.
• Upgrading firmware of managed machines, devices and HMC.
• Working experience of managing, troubleshooting IBM P4, P5 and P6serieshardware.
• Extensive experience in micro Partitioning and LPAR, DLPAR .
• Experience of creating standard and Virtual I/O client LPAR using HMC.
• Knowledge and hand on experience on Advanced Power5 and Power6 Virtualization.
• Partitioning and management Virtual I/O servers and clients
• Provide 24 7 supports for SAP, Web Sphere, ERP Lawson, Demantra, Oracle, Db2, TWS
• Supported huge partitioning environment with 45 IBM p5-570 managed machine HMC.
• Experience writing and designing server modification and environment based BASH/Perl scripts to manage over 500 Servers.
• Installation configuration and maintain windows AD server
• Installed, upgraded and configured RHEL 5.x to 5.5 on HP blade servers using Yum
• Planning and Deployment of Local Area Network administration.
• Scheduling cronjobs for job automation.
• Storage provisioning of hosts from NetApp FAS Solutions 6240, as well as EMC VNX.
• Installing and updating packages using YUM and Red Hat Satellite Server.
• Configured Samba, NFS, NAS, Apache services in Linux Servers.
• Hardware troubleshooting, Tuning of kernel parameters to assist with customer's needs.
• Configuring and implementing Linux kernel recompilation.
• Disk configuration using format and fdisk.
• Configuring and maintaining Apache clusters. Installing, configuring and maintaining apache and Websphere application servers pertaining to the client's needs.
• Assisted various DB/Middleware groups with documenting procedures for testing any middle ware application servers running on WAS 7.0.
• Provide 24/7 support for the Middleware team to help develop Java Based applications.
• Configured Websphere resources like JDBC providers, connection pooling.
• Helped to configure and maintain WebSphere application server clustering, failovers and load balancing.
• Checking and tuning AIX Kernel parameters and install DB2 for better performance.
• Responsible for applying servers patches using Patch Center, daily support which includes installation, configuration and troubleshooting of Linux
• Configuring and maintaining Apache and MySQL clusters using red hat cluster suite.
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using Red Hat satellite server.
• Created Volume groups, Physical volumes, Logical volumes and file systems.
• Perform system trouble-shooting, performance tuning and capacity planning.
• Use vSphere vCenter Server to monitor virtual machine resource usage.
• Work on the migration project to move the entire infrastructure into virtualization environment using VMware Converter, primarily Physical to Virtual.
• Configure and apply Flex-10 profiles to specific blades.
• Designed and implemented virtualization using VMware ESX 4.0 4.1 and ESXI Server
• Create and maintain baselines using VUM, configure, administer patches and updates on a bi-weekly, monthly basis.
• Part of team that assisted with Solaris to Linux migrations. Solaris 9/10 to RHEL 5.x.
• Assisted with the upgradation project to upgrade all Windows server 2000 to Server 2003. Also upgrade 10 windows server 2003 guests to Windows 2008.
• Configured Deployed ESX/ESXi server in corporate production environment.

Confidential

Unix/Linux Systems Support

• Installation and configuration of Red Hat Enterprise Linux servers using kickstart unattended installation in addition to PXE Boot, configuring of new servers and workstations using kickstart and autostart.
• Upgraded and overhauled the entire monitoring system implementing on-call rotation features if the latest version of Nagios 3.X.
• Supporting 600 AIX/Linux servers in production/stage/development environment
• Unix/Linux user's creation, file/dir level permissions, Sudo permissions etc.
• Disaster Recovery operation setup checkup at contracting facility
• Using VM converter converting Physical machines in VMware VMs.
• Updating/patching Linux, Windows Virtual Machine in VMware clusters
• Creating VMware Lab setup as per Internal QA team's requirement using VMware ESXi servers.
• Documented, performed and validated test cases based on client requirements
• Developed training documentation for leveraged support teams
• Resolve technical issues through diligent research, reproduction, and troubleshooting
• Support and troubleshooting of Linux Apache, MySQL. Have solid knowledge on MySQL Database Administration.
• Upgraded older linux distributions from RHEL3/4 to RHEL5
• Installation and configuration of RPM packages for upgrades.
• Initial setup of Open LDAP to centralize network device authentication.
• Implemented and enhanced UNIX shell scripts using Bash shell scripting.
• Configuring network interface cards for bonding assignments.
• Day to day duties for Unix/Linux server maintenance and support to developer's team for their issues with application, tuning, troubleshooting, software running on Unix/Linux Servers.
• Monitoring night-time and weekend batch scripts, initiating fixes and restarting jobs that aborted, responsible for informing management and respective teams of any unexpected outages/problems
• Particular Focus in monitoring the production HA Environment using Nagios.
• Work directly with other technical support staff, quality assurance, engineering, sales, marketing, operations, and administration to resolve problems
• Tuning of the Linux OS in order to increase performance as well as installation of new patches as needed, developed shell scripts to automate daily housekeeping tasks such as file transfers, Troubleshooting any and all problems with performance, upgrades and file transfers.
• Mounted/un-mounted new file systems, mounted file systems on remote servers using NFS Server client configurations, performed disk configurations and crash recovery
• Maintained user account management, configured servers to register with Red Hat Network RHN Satellite Server, monitored servers workload assessment, service console monitoring
• Troubleshooting, networking, security, services, reporting, monitoring, database-backed management, capacity planning, strategic planning, documentation
• Established network security using Linux Firewall and troubleshoot problems relating to boot loaders GRUB, LILO
• Assisting with the software integration and turning software builds into RPM packages