SUMMARY:

• Over 8 years of experience as a system administrator working of on VMware/Linux/Widows on both production and testing environments.
• Experienced VMware ESX/ESXI 4/5, RedHat Enterprise Linux 5/6, Windows Server 2003/2008/2012 system administrator wif telephony based Technical Support to assist and provide clients wif the best possible uptime and to reliable and accurate communication to get tasks completed.
• Expertise in patching, managing and troubleshooting Linux, Windows, and ESXi servers.
• Experience in VMware and Windows clustering.
• Expertise in building both physical and virtual servers wif RedHat Linux 4/5/6, Windows 2000/2003 Server
• Expertise in installation and troubleshooting of VMware hypervisor ESX/ESXi (4/5).
• Expertise in installation and administration of VMware vCenter Server, vSphere Client, and vCloud Director.
• Expertise in installation and administration of Active Directory.
• Expertise in creating, modifying and removing users in Linux, Windows, and VMware.
• Expertise in virtualization of physical servers using VMware vSphere and vCloud Director.
• Experienced in managing HP, Cisco USC, Dell PowerEdge, and IBM servers.
• Experience in troubleshooting and resolving network related issues wif the servers.
• Expertise in operating Infoblox Solution to control and automate basic services DNS/DHCP.
• Create and maintain any customized Kickstart configuration channels to deploy RHEL.
• Installing, patching management and troubleshooting of RHEL 5.x and CentOS.
• Experience in managing and configuring multipath based solutions and well experienced in working wif storage administrators to configure SAN based LUN’s in RHEL.
• Configure HP c7000 enclosure using Onboard Administrator, Virtual Connect Manager along wif upgrading the blades, OA and interconnects.
• Part of Implementation team that configure and deploy new patches, upgrades, bug fixes on both physical and virtual Linux and Windows servers.
• Expertise in upgrading of ESXI 4.1 to ESXI 5.0 hosts, vCenter 4 to 5, as well as upgrading 12000+ VM’s
• Expertise in deploying HA and DRS clusters, and distributed switches as well build ESX/ESXi hosts while supporting the current production environment.
• Expertise in managing storage on both physical and virtual servers using NetApp and EMC filers wif various protocols like NFS, CIFS, iSCSI, FC, and FCoE.
• Expertise in backup and replication of data using SnapMirror and SyncMirror.
• Experience in mounting and unmounting of file systems and troubleshooting the disks for file system errors.
• Experience in configuration of RAID to provide data redundancy and optimizing disk performance.
• Expertise in Physical 2 Virtual migration of servers using VMware Standalone converter & plate Spin.
• Experience in Logical Volume Management for specific requirements of different users such as middleware developers and DBA’s.

TECHNICAL SKILLS:

VMware Product: Design and implement Virtual Infrastructure 4/5 wif Virtual Center, ESXi 4.x, ESXi 5.x vMotion, HA, DRS, Resource pools, VMware Converter, Virtual Center, ESXi Patch management (VUM)

VMware Converter: Expert Level in Physical to Virtual migration od datacenter, Virtual to Virtual Migration (VMware 4.x to VMware 5.x), Physical to Physical hardware refresh.

Microsoft: Windows Server(2008 and 2003), Windows 7, Windows XP.

Storage: iSCSI SAN, FC SAN, NAS, EMC VMAX, VNX, NetApp 6240.

Linux: SUSE, RedHat Linux

Hardware: HP g5/g6/g7 /g8 /g9on C - 7000, Cisco UCS B200’s B250’s M1’s M2’s, HP460C, HP620c, DL580’s

Languages: Powershell, Bash, Perl, Shell, C++

Racks and Cabling: Installation of Hardware, Cable Management.

PROFESSIONAL EXPERIENCE

Confidential, Jersey City

Linux/Windows/VMware Administrator

Responsibilities:

• Installed and configured RHEL/Windows physical and virtual servers using Kickstart, ISO and templates.
• Performed everyday tasks of completing the assigned tickets for user creations, network configurations, storage and hardware issues.
• Installing and configuring RedHat Enterprise Linux 5/6 on ESXi 4/5 based environment residing on HP blades as required for UAT/Production.
• Deployed various RHEL and Windows Server virtual builds using a combination of VMware templates and PowerCLI.
• Create and maintain any customized kickstart configuration channels to deploy RHEL.
• Configure and install VMware tools on the custom built VM’s.
• Provide high level support for ESXi servers running on HP Proliant servers and Linux/Windows virtual servers.
• Configure and maintain NFS servers for both media and data sharing between servers and resolved any shared storage server issues.
• Installing, patching, management and troubleshooting of RHEL 5/6 and Windows 2003/2008 servers.
• Generating report summary and performance for ESXi servers VM’s, creating snapshots for the VM’s, adding new folders, datacenters, clusters, and resource pools in vSphere.
• Migrating virtual machine configuration files and virtual disks from one datastore to another utilizing storage vMotion.
• Testing, monitoring, and maintaining the infrastructure and system applications.
• Configuration of RedHat Cluster Nodes for any legacy applications and verify the daily health check on the cluster Nodes.
• Working on load balancers to coordinate and route traffic for maximum uptime and HA.
• Installation and configuration of Solaris 10 and configuration of LDoms and Zones to virtualize and consolidate old Sun Servers.
• Configuration of EMULEX/QLogic mezzanine HBA ON Bl460c/680c to boot from SAN to run to RedHat Enterprise Linux or ESXi as the primary Operating System.
• Configuration of Linux multipath and Linux device mapper to configure multipathed LUNs from NetApp filer.
• Maintained ESX server and virtual machine environment and requested Storage LUN’s for configuring the data stores and volumes as required in VMware vSphere.
• Patch management of servers and maintained servers environment in Dev/QA/Staging & production.
• Provided 24 x7 on call support, documented and assisted customers wif day to day RedHat Enterprise Linux server issues.
• Deploying VMware vSphere 5 by upgrading VMware infrastructure 4.1.2 to vSphere 5 and also Upgrade Experience from VMware vSphere 4.0 to Update 1.
• Wrote deployed server modification and environment based BASH/Perl scripts to manage over 500 Servers.
• Responsible for binding any new LUNs and configure storage using On Command Manager on FAS Platform.
• Create and configure LVM based EXT3 and OCFS2 based cluster file systems on SAN LUN utilizing Multipath to assist redundant path detection and increase I/O stability.
• Daily tasks included upgrading ESX hosts and working wif VMware modules - vCenter Update Manager, Host profiles, vStandard switches, Distributed switches, vMotion, resource and performance monitoring.
• Configure various SNMP based configurations to allow Solar Winds Suite to analyze CPU, Memory, Network and I/O usage.
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual RedHat Linux servers using satellite server.

Confidential, Virginia

Linux/Windows/VMware Administrator

Responsibilities:

• Installation, configuration, and maintenance of server-based applications including MS Exchange, SQL Server, and IIS running on the network.
• Installation and configuration of Windows 2003/2008, RHEL 5, AIX, and Solaris servers.
• Responsible for configuration of group policy and administrative templates.
• Installed and configured several hundred RedHat Enterprise Linux 5.x in both physical and VMware ESX/ESXi 4.x Virtual Environment.
• Responsible for oracle 10g databases replication from site to site maximize uptime as well as on an integral part of the backup and recovery.
• Participated in 24x7 production on-call support of Linux and Windows servers and provided technical support to users at remote datacenters.
• Installed and updated packages using YUM (custom Servers/repositories) and RedHat Satellite Server.
• Created custom channels for patching cycles, provisioned any new RHEL guests (physical and virtual) by creating new kickstart profiles.
• Created configuration channels to keep important files such as /etc/ntp.conf, /etc/hosts, /etc/sysconfig/iptables in sync across several hundred machines.
• Responsible for binding any new LUNs and configure storage using On Command Manager on FAS Platform.
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual RedHat Linux servers using satellite server.
• Planned and deployed LAN administration.
• Scheduled cronjobs for job automation.
• Configured Samba, NFS, NAS, Apache services in Linux Servers.
• Maintained and deployed web farm servers designed to run on Apache and configured Apache to load any custom modules.
• Assisted various testing groups and documented procedures for testing utilizing any open source tools such as MySQL and Tomcat.
• Configured, maintained NFS, Samba Servers as per environment’s requirements.
• Resolved remedy tickets & remedy tools in development/staging/production environments.

Confidential, New Jersey

System Administrator

Responsibilities:

• Setup and configured RedHat Satellite and kickstart servers for RedHat Enterprise Linux and installed RHN push updates.
• Responsible for building development Linux/LAMP servers including Webservers, MySQL and Perl based solutions to assist developers.
• Installed RHEL on HP DL585/385 G5 Rack mount servers using PXE boot and ILO.
• Responsible for solving day-to-day troubleshooting related to network, resource allocation and availability.
• Installed, configured, and Upgraded RedHat Enterprise Linux 4.x to 5.x and configured various patching schedules to meet patching criteria quarterly.
• Responsible for analyzing, troubleshooting, and resolving problems involving operating system issues, applications issues, website issues etc.
• Installed physical hardware including HBA and modified any kernel parameters to tune the hardware as per the vendor’s request.
• Configured and Support a large VMware virtual infrastructure and provided support to product line customers.
• Responsible for installing and managing ESX 3/4 and vSphere client.
• Migration of high priority processes to different hosts using vMotion and converted/consolidated various physical servers to virtual by using various performance metrics.
• Added new development user accounts, removing users, resetting user accounts in RedHat Enterprise Linux to allow new developers access to RedHat Servers.
• Utilized Nagios based Open Source monitoring tools to monitor Linux Cluster nodes configure using RedHat Cluster Suite.
• Monitored and trained the team members and documented change press and maintenance activities.
• Provided 24/7on call support along wif working groups in the organization.
• Setup and configured various benchmark test to kernel tune Linux operating system for HBAs and other groups in the organization.
• Typical duties included 64-bit Linux/Unix system administration, installing and configuring servers and Linux workstations, administration and maintenance of VMware, creating and maintaining user accounts, managing NAS/SAN storage systems, backing up user data and monitoring performance, provide level three support on Remedy ticketing systems.
• Configured Nagios monitoring tool, maintaining and monitoring 400+ systems located in four different sites. Maintained Zabbix monitoring tool.
• Performed operational support, problem troubleshooting, and performance analysis for distributed NAS and SAN storage systems on Bluearc and Data Direct Networks hardware.
• User administration - responsible for creating accounts for new employees, and for removing accounts that belonged to people who had left the organization and/or are no longer needed.
• Maintained Local Documentation - Troubleshoot and maintain logs of services, updates and procedures.
• Experience developing Backup/Recovery standards and procedures. Developed tape usage process to ensure operational efficiency using Legato Networker, IBM Tivoli and other backup software.
• Perform technical support and general troubleshooting in a 24x7 data center.