SUMMARY

• IT System Administrator with over 6+ years of experience in Linux, VMware and Windows administration.
• Proficient in handling Hardware issues, Migration and Data Center Operations.
• Proficient in Linux Utilities,KICKSTART, SSH, FTP, AUTOFS,Quota Management, wrappers, User Management, Process Management, Memory Management, and Text processing tools, Log Management, Package Management, Disk Management and Swap Partition/Files Management.
• Expert in Installing, configuring and maintaining apache/tomcat, samba & send mail, Web Sphere Application Servers.
• Experience in Installation, Configuration, Implementation, Upgradation, Maintenance & Troubleshooting of Weblogic and Apache Server.
• Good experience in setting up of RAID0, RAID1 (mirroring) and RAID5 for data redundancy using Veritas Volume Manager and Veritas File System.
• Experience in implementing High Availability Solutions using VERITAS Cluster, HP Service Guard and RedHat Cluster Server.
• Experience in implementation and maintenance of VMware, DNS, DHCP, NIS, NFS and SMTP.
• Worked on OS migrations, upgrade andBIOS and NIC firmware upgrades.
• Installation and upgrade of Packages and Patches configuration mgmt, version control, service pack & reviewing connectivity issue regarding security problem.
• Configured Red Hat Cluster Nodes for my legacy applications and verified the daily health check on the Cluster Nodes.
• Installing and updating packages using YUM (custom YUM Servers/repositories) and Red Hat Satellite Server.
• Managed packages using RPM/YUM on Red hatLinux.
• Performed NT and UNIX Network System Administration, including adding NT and NIS domains, creating new users and groups with multi - levels of security, creating assign file attributes & permissions, defining network protocols, insuring TCP/IP and router connectivity.
• Expertise in configuration tasks and pre-installation of RDBMS Installation including Oracle rac,10g,9i on RED HatLinuxand MYSQL onLinux.
• Experience in Windows 2000/2003/2008 R2 server administration and active directory administration.
• Experience in installing, managing and administering Windows 2008 R2and 2003 based Domain controllers, Backup/Additional Domain Controllers.
• Expertise in and HP ProLiant blade/rack servers, HP C7000 Enclosures, Dell and Cisco UCSphysical servers .
• Experience inserver builds, patch management, antivirus and updates.
• Performed system administration activities, security policies and monitored system performance both at software and hardware levels .
• Experience in Automation by Puppet and Chef automation tools.
• Worked in the area of Virtualization with VMware vSphere, ESXi 5.1, 5.0, 4.1, ESX 4.0 servers, vCenter server 2.5, 4.0, 5.0, 5.1 and vCenter Converter 4.0, 5.0.
• Expertise in DHCP, WINS and DNS.
• Created and managed VMs (virtual machines) and also involved in the maintenance of the virtual machines.
• Strong experience with the VMware HA (High Availability),Fault Tolerance, Distributed Resource Scheduler (DRS) and VMware Distributed Power Management.
• Strong analytical, technical and troubleshooting skills.
• Experience in the V2V and P2V migration of Physical servers to VMware ESX hosts.
• Experience in WindowsAdministration and troubleshooting.
• Knowledge of maintaining Business Continuity and performing Disaster Recovery (DR).
• Hands on experience in updating / upgrading ESX servers, Virtual Center servers and VMware ESX/ESXi hosts using VMware Update manager and manual upgrades for Patching.
• Experience in Installation,Administration and migration of IIS 6.0, IIS 7.5 on Windows 2003, 2008 R2 respectively.
• Good Understanding and Knowledge of VBlock components and experience with Cisco UCS administration, EMC and NetApp SAN storage.
• Experience in ESX Architecture, guest OS installation, setting up of VM priorities, Cloning, Creating Templates and Snapshots.
• Extensive experience in working with the vMotion and Storage vMotion technology

TECHNICAL SKILLS:

Operating Systems: Redhat Enterprise Linux 3.0, 4.0, 5.0, 6.0, Centos 4/5 CentOS, SUSE Linux Enterprise Server 9, 10 and 10 Windows 2003, 2008, AIX 5L, ESX 3.x, 4.x and ESXi, 4.x, 5.x.

Programming Languages: C, Perl, Shell, SQL, xml, html.

Unix Services & Tools: DNS, DHCP, NTP, HTTP, LDAP, SSH, SSL, SFTP, GREP, SCP, AWK.

Storage Technologies: NetApp NAS, Hitachi Virtual Storage Platforms, EMC Clariion, VNX, HDS, EMC Powerpath, Snap Mirror, Veritas NetBackup, Volume Manager, oracle zfs 7400.

Virtualization Technologies: VMWare ESX Server and Vsphere, VMotion. Virtualization Technologies VI3,VMware vSphere 4.0/4.1/5.0, VMware ESX 2.5/3.0/3.5, VMware ESXi 3.5/4.0/4.1/5.0, VMware vCenter, vSphere Client, VMware VDI, VMware ThinApp, View 4.6/5.0, Microsoft Hyper-V, VMware Update Manager, Platespin, vmware convertor, HA, vMotion

PROFESSIONAL EXPERIENCE

Confidential, Pittsburgh, PA

System Administrator

Responsibilities:

• Responsible for daily activities which included administration and maintenance of Red Hat EnterpriseLinux, OEL and VMware.
• Expertise in file system concepts like LVM, SVM, VxVM. Creating new file systems, increasing and decreasing file systems, mounting file systems, unmounting file systems and troubleshooting Disk space issues.
• Efficiency in installing, configuring and implementing the RAID Technologies using various tools like VxVM and SVM.
• Involved in System Analysis and Performance Monitoring of Red HatLinux.
• Implemented and monitored clustering on SPARC servers using Veritas Clustering.
• Supported DNS, OpenLDAP and Performed User Account creation, assigning access permission, creating user quota by using Shell scripts.
• Installed and configured Veritas NetBackup and TSM on Red Hat EnterpriseLinux.
• Creating volume groups, logical volumes, extending logical volumes based on the requirements using Logical Volume Management (LVM), SVM, ZFS & VERITAS commands.
• Upgraded Oracle WebLogic servers from 9.0 to 11g onLinuxbased servers.
• Backup and restoration of Progress Database servers using SQL scripts.
• Installed and upgraded servers using the security patches and service packs released.
• Installed Red Hat EnterpriseLinuxover the network using Kickstart Installation and Jumpstart.
• Installed and Configured Multiple OS usingVMwareESXi on Dell using Virtual Center Server and VI client.
• Migrated and Managed VMware Esxi - 5.0 and 5.1, Worked on VMware capacity planning.
• Performed tons of P2V Migration, Created clones and templates of VirtualMachines.
• Deployed VMs Through OVF/OVA Templates, Created & Troubleshot Virtual Networks and vSwitches.
• Worked on Migration concepts like vMotion and cold migration and Remediate.
• Configuring the Host profiles in VMware, Disable and Enable the ports for the Virtual Distributed switches
• creatingportgroups tagged with different vlans and assigning to each individual VM.
• Performance tuning and security hardening of rhel and centos servers.
• Performance monitoring of cpu, memory and disks in rhel servers using various monitoring tools like nagios and bmc.
• Troubleshooting UCS/HP hardware if the ESX Hosts are disconnected in the Vcenter.
• Design, Installation and configuration of new vSphere 5 ESXi servers for the P2V candidates on UCS Cisco C240 M3 Rack Servers
• Installed Management Server (vCenter Server) instances to enable centralized management of multiple ESXi hosts
• Knowledge and experience working onVblock, Nexus5000 and Fabric Extender 2000.
• Linked different vCenter servers using linked mode to have a single instance of vSphere client to manage the whole Virtual environment
• Configuring High Availability (HA), Distributed Resource Scheduler (DRS) and vNetwork Distributed Switch (VDS).
• Configured VMware HA, VMware DRS in acquiring higher efficiency for VMware Infrastructure.
• Automate ESXi host configuration across large number of hosts and clusters.
• Creating and managing Virtual Machines and Templates, worked with clones and snapshots of Virtual Machines.
• Administering, troubleshooting and automating vSphere ESXi using Power CLI.

Environment:RHEL 4.x/5.x/6.x, LVM, Redhat Satellite Server, Veritas, VM ware ESX 5.1, UCS C240 M3, Windows 2008/2003, TCP/IP, DHCP, DNS, NTFS, VMware Lab Manager, VMware converter,VMware Vsphere client, Fault tolerance, High Availability and Distributed resource scheduling.

Confidential, WA

System Administrator

Responsibilities:

• Managing Linux servers Red Hat Enterprise Linux, deploying security patches and package management.
• Administration of mail server involves user creation and defining alias groups.
• Administration of Apache web server for space management and review performance management.
• Configuring and managing and NFS servers.
• Assigned privileges to users on Linux.
• Installed and managed Apache on Linux Servers for application services.
• Network management and System configuration.
• Installation of Oracle on Linux and Solaris, creating database, creating Oracle users etc.
• Managing Compaq blade servers, HP DL-360, HP DL-380, IBM x series (rack servers).
• Automation of jobs using cron jobs.
• Contact vendors for hardware procurement and replacements.
• Monitoring various logs of applications to fix problems.
• Installed and configured the RPM packages using the YUM Software manager.
• Configured root disk for its clustered file system on RED HAT LINUX5.X.
• Configured logical volumes using logical volume manager (LVM) and also configured mirroring.
• Installation of Web logic Application server, upgraded to service pack updates.
• Performed automated installation of hp and cisco servers using linuxkickstart server.
• Built and Maintained VMware infrastructure with Windows Servers 2003, 2008 R2, Windows XP/7 Clients across Test and Demo Environments.
• Worked on creating Virtual machine Templates with customized guest os.
• rpm package administration in linux using rpm build, installing packages and restoring corrupted rpm database.
• Conducted Characterization Test Iterations on test floors with Process Automation Software package to collect performance data and to size the software installed Virtual Environment.
• Active Directory Services, Active Directory Group Policy Objects (GPO), Group Policy Management Console (GPMC), DHCP and DNS.
• Conducted Log Analysis and Troubleshoots on Performance of ESXi environment
• Troubleshooted network issues between Distributed vSwitch, Layer 2 switches and resolved slow performance between SAN network and VM networks.
• Provided Consultation for Troubleshooting in Virtualization, SAN Configuration, Active Directory group policy design & Implementation and ESXi Distributed vSwitch Network Configuration.
• Provided Technical Recommendations for Installation and Implementation of Virtual Environments in Industrial Plants. Identified Administrative Standards, Issues and Process Improvements.
• Created scripts in VB, Perl, powershell to Automate Tasks in the Guest VMs
• Built and maintained VMware and Windows Server Infrastructure.
• Involved in Installation and Configuration of vCenter Heart Beat.
• Provided technical assistance and best practices for customers to simulate in their own environment.
• Worked on developing technical papers on Virtualization for Process Automation Systems.

Environment:Redhat Linux, HP DL 580 G5\G7, DL380 G5\G6\G7\G8, Cisco UCS, vSphere 4 and 5, SRM5, vCenterConverter, vCenter Update Manager, VMware ESXi 4.1 & 5.0, Cisco Switches, Windows 2008/2003/2000, DNS, DHCP, WINS, TCP /IP, NTFS.

Confidential, Santa Monica, CA

Linux/VMware Administrator

Responsibilities:

• Installing and configuring Red Hat Linux using Kick Start server as required for the project.
• NOC support for servers Windows and Linux racks in enterprise environment with over 500 servers with production as well non production environments.
• Created user logins, administering the system performance and monitoring user activities.
• Experience monitoring ticket queue’s using Remedy and updating bug fix and ticket solution documentation using lotus domino application and linking the ticket with the resolution.Analyzed existing Infrastructure for Implementation of Gradual Consolidation in Migrations phases after conducting extensive Feasibility study.
• 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.
• 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.
• Implemented Migration by performing P2V, V2V and V2P conversions using vConverter and PlateSpin.
• Worked to streamline the process of gathering and interconnecting machines, installing and maintaining operating systems, adding and updating applications and resolving problems.
• Maintained vCenter Server 4.1 and implemented View Desktop Infrastructure
• Administered VMware environment, evaluated and implemented new hardware and software solutions that benefited architecture and operations. Implemented VMware SRM and troubleshooted performance issues.
• Identified and fixed ESX performance bottlenecks by working with clients and other teams.
• Customized layer 2 and layer 3 networking between VMware, networking components and storage for high availability and maximum performance.
• Supported and Managed VMware ESX 3.5 and 4.0 infrastructure for production/non production environments including HA/DRS Clustering.
• Creating and managing security groups and reconciliation of the same regularly.
• Created documentation for Server Builds, Application Installations, Mapping the drives and Issues which occur during software upgrades.

Environment: VMware ESX 4.0/3.5, VSphere 4.0, Windows Server 2008/2003, Windows xp/vista, Active Directory 2003, SQL Server 2008/2005, HP ProLiant Servers, HA/DRS.

Confidential, Chicago, IL

Systems Administrator

Responsibilities:

• Involved in migration activities using Redhat LVM, Solaris LVM.
• Installation of OAS (Oracle Application Server) and its configuration with oracle database.
• Migrated ORACLE RAC servers using system EMC Open migrator and effectively worked with the database team to bring up/down the databases.
• Writing Shell and Perl Scripting for automation of job.
• 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 user accounts for the team access for Redhat Satellite Server.
• Build channels and pull the packages from master Redhat Satellite Server.
• Troubleshooting hardware, software and configuration problems for various protocols and topologies.
• Configured open LDAP Red Hat Linux systems.
• Setup optimal RAID levels (fault tolerance) for protected data storage in NAS environments.
• Administration of Active Directory, DHCP, DNS and various other Infrastructure services.
• Excellent understanding of SAN, NAS storage architecture.
• Installation and configuration of window AD and DNS, DHCP servers.
• Monitor ticketing system for new tickets and work-items and update existing tickets.
• Maintain hardware inventory control in ticketing system.
• Monitored systems health by performance monitoring tool.
• Extensive knowledge in File & Print Server, IIS, FTP, Terminal Server.
• Trust relationships setup, DC promo and decommission of AD.

Environment: Windows 2003, 2008 R2, Active Directory, RHEL 4.x,5.X, VMware ESX 4.0/3.5, VSphere 4.0, Windows Server 2008/2003, Windows xp/vista, SQL Server 2008/2005, HP ProLiant Servers, HA/DRS.