SUMMARY

• Over 7+ years of experience as a System administrator in the areas of RedHat Linux, Windows and VMware environment.
• Installed and configured several hundred Red Hat Enterprise Linux 6.x/5.x, Windows server 03/08/2012 R2 in both physical Blade and VMware ESXi 5.x, 4.1.2 Virtual Environment.
• 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.
• Configure EMULEX/QLOGIC mezzanine HBA on BL460c to boot from SAN to run Red Hat Enterprise Linux or ESXi as the primary Operating System.
• Expertise in Windows 2000/2003/2008 R2/2012 server administration and active directory administration
• Experience in installing, managing and administering Windows 2012, 2008 and 2003 based Domain controllers, Backup/Additional Domain Controllers.
• Expertise in and HP ProLiant blade/rack servers, HP C7000 Enclosures, Dell physical servers and UCS C Series/B Series Servers.
• Experience in server builds, patch management, antivirus and updates
• Responsible for WINTEL server builds and HP blades C7000 server builds
• Performed system administration activities, security policies and monitored system performance both at software and hardware levels
• Worked in the area of Virtualization with VMware vSphere, ESXi 5.5, 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, VCloud director
• Expertise in administering File servers and Print servers.
• Expertise in DHCP, WINS and DNS .
• Expertise in Microsoft Windows NT, Windows 2000 Professional, Windows XP, Windows Vista, Windows 7.
• Experience in RedHat OS installation, Administration and Troubleshooting.
• Expertise in Configuring Bonded Interfaces for networking and Managing storage using LVM in RHEL and CentOS Operating Systems.
• Strong knowledge of TCP/IP protocol suite, virtual networking, wireless networks & Cloud computing concepts.
• Experience and Strong Knowledge of Virtualization technologies like VMware ESX/ESXi.
• Created and managed VMs (virtual machines) and also involved in the maintenance of the virtual machines.
• Experience with enterprise backup systems and disaster recovery operations; familiarity with SAN technologies; solid understanding of vSphere 4 implementation with shared storage fiber channel, ISCSI, NFS / VMFS strategies for performance and optimization
• Expertise with VMware Lab Manager products.
• Expertise with IP sub - netting, VLANs, Load Balancing, and High Availability (HA) architectures.
• 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 Windows clustering Administration and troubleshooting
• Knowledge of maintaining Business Continuity and performing Disaster Recovery (DR) using VMware Site Recovery Manager (SRM).
• 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.
• Implemented VDI (Virtual desktop infrastructure) technology using VMware VIEW
• Installation and Administration of IIS 6.0 and IIS 7.5.
• Experience in the Server and Desktop Management (Windows Administration), Support, Analysis and Maintenance.
• Lead Role in implementing and administering server platforms with HP, Cisco UCS and Dell.
• Good Understanding and Knowledge of VBlock components and experience with Cisco UCS administration and EMC 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
• Strong Experience in vNetwork concepts: vSwitch and dvSwitch

TECHNICAL SKILLS

Operating Systems: RHEL 4/5/6,UNIX, VMware 5.x, 4.x, Windows Server(2012, 2008 and 2003),Windows 7, Windows XP.

VMware Products: Design and implement Virtual Infrastructure 4/5 wth Virtual Center, ESXi 4.x,ESXi 5.x, vMotion, HA, DRS, Managing Resource pools, ESXi, VMware WEorkstation,VMware Converter, Virtual Center,ESXi Patch Management, vCOPS, VDI's.

Hardware: IBM Blade center HS-series/X-Series HS22/HS23, Cisco UCS B200's B250's M1's M2's HP BL460C, C-7000,DL580's

RDBMS: MysQL, DB2, Oracle, MSSQL

Storage: iSCSI SAN, FC SAN, NAS, EMC CLARiion, VMAX, VNX, Netapp 6240,6040 FAS Solutions.

Load Balancer: F5 and Netscaler

PROFESSIONAL EXPERIENCE

Confidential, Lousiville, Kentucky

Linux &VMware Systems Administrator

Responsibilities:

• Part of Providing 24/7 technical support to Production and development environments.
• Design and Implementation of migration strategy for consolidating Data Centers from around the world to centralized locations in US which involves numerous servers of various LINUX versions.
• Identification, planning and migration of P2V candidates and new builds from each site with ZERO downtime.
• 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 Virtual Machines
• Deployed VMs Through OVF/OVA Templates, Created & Troubleshot Virtual Networks and vSwitches
• Worked on Migration concepts like vMotion and cold migration and Remediate
• Configured Netbackup Client thorough planning was done for downtime, knowing each server usage & their placement in Datacenter.
• Creating Data centers in the Vsphere Web client and adding the Hosts to the Data center
• Configuring the Host profiles in VMware
• Disable and Enable the ports for the Virtual Distributed switches creating portgroups tagged with different vlans and assigning to each individual VM
• Deploying the VMs by using the PROTEUS and JUNOS space
• 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
• 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.
• Expertise in the area of Virtualization with Installation,Configuration and Administration of VMware ESX4.0, VMware ESXI 4.1/5.0/5.1/5.5 , and vCenter Server 4/5.
• New relic - Monitor the usage of Oracle Applicationsand alert the team membersof oracle applications ( OIM, OID, OAM ) for taking necessary action.
• Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring, Fix the Problem with the partially mirrored Logical volumes.
• Perform User Account management, data backups, and user’s logon support.
• Implemented, configured and deployed new patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite server and YUM server.
• Providing 24x7 on call support, documented and assisted customers with day to day Red Hat Enterprise Linux server issues.
• Deployed various Red Hat Enterprise Linux builds using VMware Templates. Also configuring ifcfg files in Linux and NIC’s in Windows servers.

Confidential, Cincinnati, Ohio

Vmware/Linux System Admin

Responsibilities:

• Managing Linux servers Red Hat Enterprise Linux like updating Kernels, 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.
• Backups using tape drives.
• 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.
• Built and Maintained VMware infrastructure with Windows Servers, Windows XP/7 Clients across Test and Demo Environments. Implemented VMware View 4.6 to distribute Client Desktops to user accounts
• Performed automated installation of hp and cisco servers using linux kickstart server. worked on linux kernel parameter tuning as per the requirements given by the dba team
• 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 .
• 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.
• Involved in SRM Setup and Performed Failover Testing.
• 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

Confidential

Responsibilities:

• Experience in VMware performance monitoring through vCOPS.
• Built, configured and troubleshot MSSQL servers containing vCenter and VMware Update Manager Databases
• Installation, Upgrading and deployment of Linux Operating system on X-86 based HP BL460 G5, G6 and G7 Hardware servers.
• Built and maintained several Microsoft Windows 2008/2012 servers including DNS, Active Directory, WSUS, KMS and Remote Desktop (Jumpbox) Servers
• Worked on P2V conversions using VMware Converter Tool and Platespin
• Responsible for Building and supporting VMware Environments containingVDIs
• Played a major role in testing applications, application deployment, and software in a major Windows XP to Windows 7 and Windows 7 to Windows 8 refresh project.
• Intalling and configurating firewall/iptables.
• Monitored Several hundred servers using Monitoring Tools such as Nagios & WebMon
• Experience with Backup and Restoration of Servers using Acronis
• Used RPMs to install, update, verify, query and erase packages from Linux Servers.
• Set up and maintained NFS, DNS, NIS, and TCP/IP network and knowledge in LDAP Server.

Confidential, Beaverton, OR

Linux/VMware Administrator

Responsibilities:

• Installation and configuration of Red Hat Enterprise Linux severs using kick start unattended installation in addition to PXE Boot, configuring of new severs and workstations using kick start and auto start.
• Assisting with the software integration and tuning software build into RPM packages.
• Configure and maintain NFS Servers for both media and data sharing between servers and resolved any shared server issues.
• Responsible for the installation, configurations and support of VMware vSphere and the daily management/monitoring of the virtual environment.
• Application Migration from physical to virtual/virtual to virtual platform.
• Windows OS build, IP configurations, Domain Builds, Active Directory Site Builds and Support & Administration.
• Build, configure and deploy VMs and Templates and cloning VMs and application data.
• Maintained user account management, configured servers to register with Red Hat Network (RHN) Satellite Server, monitored servers- workload assessment, service console monitoring.
• Disaster Recovery operation setup and checkup at contracting facility.
• Used VM converter for converting Physical machines in VMware VMs.
• Updating /patching Linux, Windows Virtual Machine in VMware clusters.
• Configured backups and recovery plans for windows based servers using windows server backup utility

Confidential

Linux Admin

Responsibilities:

• Worked with File System includes UNIX file System, and Network file system.
• Mounted/un-mounted new file systems, mounted file systems on remote servers using NFS Server & client configurations, performed disk configurations and crash recovery.
• Established network security using Linux Firewall and troubleshoot problems relating to boot loaders (GRUB,LILO).
• Administering Disks and file systems using LVM.
• Configure and maintain NFS Servers for both media and data sharing between servers and resolved any shared server issues.
• Familiar with OS installation, Device configuration and Driver Installation.
• Strong storage / Network knowledge and Hands-on (I.e.FC /SCSI)
• Good at system level troubleshooting and Network/ Storage debugging skills.
• Good communication skills as essential for the job.