Linux/vmware Administrator Resume
Bronx, NY
SUMMARY
- A highly adaptable System Administrator with 6+ years of experience in IT Support and Linux and VMware administration.
- Over 5+ years of experience in Red Hat Enterprise Linux, VMware vSphere as a System Administrator in Production Support environment.
- Expertise in deploying various Red Hat Enterprise Linux builds both Physical utilizing boot from SAN and Virtual on HP/Cisco Hardware running ESXi.
- Expertise in designing built/configure documentation related to Red Hat Enterprise Linux via Kickstart/PXE, and Red Hat Satellite Server 5.4.
- Experience configuring, maintaining NFS, LDAP as per the environment’s requirements.
- Expertise in binding any new LUN’s and configuring storage groups using NetApp On Command Manager.
- Expertise in deploying several sets of Linux guest built from VMware Templates, using Power CLI as well as Red Hat Satellite Server.
- Experience in upgrading ILO (Integrated Lights Out).
- Expertise in configuring Management pools for any current or future Cisco UCS blades that are added to the Cisco UCS Environment.
- Experience in configuring and managing MSSQL and Oracle in Red Hat Linux.
- Upgraded the VMware tools, VM hardware 7 on all the VM’s as a part of Upgrade process.
- ESXi installation on HP Proliant servers using customized ISO’s.
- Configured NIC Teaming for load balancing and failover.
- Automating processes through Cron Jobs.Administration of user accounts and groups and providing appropriate rights to user accounts according to their requirements.
- Configuring NAS, SAN and iSCSi storages to the VMware ESX servers and installed the iSCSi Software and Hardware Adapters to the ESX servers.
- Cloning, deploying VM’s to Template, Templates to VM’s, vMotion, Storage vMotion etc.
- Configured the NTP server in ESX server for the time Synchronization between ESX and VM’s.
- Participating in 24x7 Production on - call Support of Linux and provided technical support to users at remote datacenters.
- Installing and updating packages using YUM (custom YUM Servers/repositories) and Red Hat Satellite Server.
TECHNICAL SKILLS
Hardware: HP Proliant DL385-G6, DL 585 G6/G7, HP C-7000, UCS, BL 460 G5/617, Cisco 6500 Series, F5 Big IP 6900 Series
Server OS: Red Hat Enterprise Linux 4/5, CentOS, Windows Server 03/08
Virtualization: VMware 4 & 5 ESX, ESXi1vSphere & Configuring DRS, HA, vMotion, P2V
SAN Tools: Power Path, NetApp Filers, Data On Tap
Database Tools: MS SQL, Micro Strategy
File System tools: LVM
High Availability: Red Hat Cluster Suite
Network Servers: DNS, DHCP, NIS, NFS
Web Server: Apache & IIS
Backup: Backup Exec & Linux backup scripts
PROFESSIONAL EXPERIENCE
Confidential, Pittsburgh, PA
Linux/VMware Administrator
Responsibilities:
- Installing and configuring ESXi 4/5 using custom based ISO’s and Virtual Media based installs on several hundred HP BL-460’s, 620’s, 680’s as required for UAT/Production deployments of Windows 2003/2008/RHEL/SUSE deployments.
- Installation, configuration, support and upgrade ESX 3.5/ESXi 4.1.2 to ESXi 5.0 hosts, vCenter 4/5, Update manager, and Administering VM's across 2 Datacenters Running 2000+ VM's
- Migration and P2V/V2V conversion utilizing VMware converter and Hyper-V (VMM) of an entire datacenter residing on HP and Dell Hardware with applications such as SQL Server, Exchange running on Windows.
- Document and develop runbooks for the entire P2V/V2V migration project as well as coordinate with onsite support to maintain a smooth transition.
- Installation, Configuration and Administration of VMware ESXi 4.1.1 / Virtual Center 4.1, vCenter Servers as well as upgrading to ESXi 5.0 / Virtual Center 5.
- Maintain a Networking testing by documenting current system configuration, identifying, analyzing, and evaluating critical data/hardware issues and documentation and testing plan.
- Configure and maintain Host Profiles, Distributed Switch, DRS, vMotion, Sv-Motion, Resource pools, permissions, Patches, Snapshots, Tools Upgrade, disk expansions, and Templates.
- Engineered and migrated 400+ RHEL/Windows Servers from physical to virtual using VMware converter 4.3/5.0 as part of a large datacenter migration project.
- Provision, installation and configuration of Windows 2008 Servers utilizing templates, gold images and upgrading Windows 2003 to Windows 2008 on both physical and virtual machines.
- Installation and configuration of Red Hat Enterprise Linux severs using kick start unattended installation in addition to PXE Boot, configuring of new servers 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.
- Responsible for configuring NFS.
- Involved in scheduling jobs using crontab.
- Help and troubleshoot user accessibility issues.
- Worked with BI tool Micro Strategy, generating reports
- Involved in proactive maintenance.
- Managed and maintained the Servers, PC’s, Routers and Switches.
- Responsible for Backup Management.
Environment: Red Hat Linux, NFS, LVM
Confidential, El Segundo, CA
Linux Administrator
Responsibilities:
- Responsible for the installation, configuration and support of VMware and the daily management/monitoring of the virtual environment.
- Creation of templates from VMs and Creation of VMs from templates
- Performance monitoring and tuning for ESX Servers, Virtual Center Server and Virtual machines
- Installed and configured several Red Hat Enterprise Linux on Physical Server.
- Hands on working with Cisco NDS and Confidential interfaces DRMS, DRMS-LG, DCCS, SGW, CARM etc.
- Installed Service monitoring ‘NDS watchdog’ on Linux.
- Worked on the DRM Data Flows between different servers.
- Provided Application and Software Support.
- Installed and updated NDS services on the various servers and provided documentation for future training purposes.
- Helped to build the whole new environment for the VOD and Live Streaming testing.
- Assisted various testing groups and documenting procedures for testing and utilizing any open source tools such as Apache.
- Installed the packages onto the Server delivered from NDS team as per the requirements.
- Implemented Cron Jobs for the automation of various processes.
- Creating all the new Users added to the team giving them appropriate permissions.
- Monitoring SSIP for errors on the NDS Stream management.
Environment: Red Hat Enterprise Linux, DRMS, DRMS-LG, DCCS, SGW, CARM, NDS watchdog, DRM Data Flows, NDS Services, Cron Jobs, SSIP.
Confidential, Bronx, NY
Linux/VMware Administrator
Responsibilities:
- Install RHEL directly on HP Rack mount servers using PXE boot and ILO.
- Experience in solving day to day troubleshooting related to Network, Resource Allocation and Resource Availability.
- Installed, configured and upgraded Red Hat Enterprise Linux 4.x to 5.x and configured various patching schedules to meet quarterly patching criteria.
- Migration of high priority process to different hosts using vMotion and converted/consolidated various physical servers to virtual by using various performance metrics.
- Adding new development user accounts, removing users, resetting user accounts in Red Hat Enterprise Linux to allow new developer access to Red Hat Servers.
- Building VM’s and new Templates for new projects and allocating them to appropriate resource pools.
- Deployed various Red Hat Enterprise Linux/Windows 2003/2008 virtual builds using a combination of VMware Templates and PowerCli.
- Responsible for binding any new LUN and configuring storage groups using OnCommand Manager.
- Assessment, design and Implementation on the vSphere Upgrade, 400+ ESX hosts upgraded from VMware ESX 4.0 to ESXi 4.1.1.
- Expertise in the area of Virtualization with installation, configuration and administrationof VMware ESX 4.0, VMware Esxi 4.1.1, vSphere 5 servers, and vCenter Server 5.
- Experience in managing and configuring multipath based solution and well experienced in working with Storage Administrators to configure SAN based LUNs in Red Hat Enterprise Linux.
- Understanding of various VMware features like VMware HA, VMware DRS etc.Extensive experience in installing and configuring storage technology such as SAN, NAS, iSCSi and RAID.
- Expertise in P2V Migration using VMware Converter.Expertise configuring Aggregates, Volumes, LUNs and Initiator’s groups to create and modify LUN’s using OnCommand Manager.
Environment: Red Hat Enterprise Linux 4.x/5.x, HP Rack Mount Servers, PXE boot, ILO, vMotion, Windows 2003/2008, VMwareESX 4.0/ESXi4.1.1, PowerCli, OnCommand Manager, vSphere 5m vCenter Server 5, SAN, NAS, iSCSi, RAID, VMware Converter.
Confidential, Mechanicsburg, PA
System Administrator
Responsibilities:
- NetApp. Assisted in physically installing, racking and cabling new Cisco UCS environment.
- Create WWID pools, MAC pools and service profiles in Cisco UCS Manager.
- Responsible for binding any new LUN and configuring storage groups using OnCommand Manager on FAS Platform
- Checking backups based on client requests and some regular daily and incremental Backups.
- Ensure all Servers are up to date with critical Microsoft patches
- Creation of templates from VMs and Creation of VMs from templates.
- Setup environment based sudo permissions to allow developers to perform routine activities including running start/stop scripts in development environment.
- Respond to emergency calls relating to server performance, diagnosis of problems, repairing problems or calling upon appropriate vendors to resolve the issue.
- Preparing monthly work status report.
- Updating technology specific documents.
Environment: Cisco UCS Manager, OnCommand Manager, Sudo, MS Word/Excel.