SUMMARY

• 8+ years of experience in the areas of Linux, VMware and Windows administration.
• Profound knowledge in installing, upgrading and configuring Redhat Linux 4.x, 5.x, 6.x and 7 Using Satellite Servers.
• Experience in building datacenters including DEV, TEST, Production and DR facilities on multiple locations with VMware, SRM, Redhat Cluster Suites.
• Experience in UNIX/LINUX Systems and Network administration for VMware ESXi 4.x, 5.x, HP - UX 10.x, 11.x, Sun Solaris 8, 9, 10, Linux (RHEL/CentOS 4, 5, 6) running on X86, SPARC and PA-RISC
• Experienced in Installation, Configuration, and TroubleshootingVMwareESX & ESXi 5.5, 5.1, 5.0, 4.1, 4.0, 3.5, vSphere 5.1, 5.0, 4.1, 4.0, and Virtual Center 5.1, 5.0, 4.1, 4.0.
• Responsible for OS maintenance activities like upgrading the OS, updating the services and third party software’s.
• Installed, configured and maintained UNIX/LINUX servers in an enterprise environment (Linux, AIX, Solaris, HP-UX) with SAN/NAS infrastructure across multiple sites for business critical applications.
• Experience in IP pathways using Flexpod.
• Configuring and maintaining virtual server environment using VMWARE ESXi, VSphere, VCenter.
• Clustering solutions for High Availability using tools such as, Redhat HA (RHCS), and MC Service Guard, Microsoft Cluster Services, Sun Cluster.
• Experience in automating jobs using shell scripting and troubleshooting scripts in ksh, bash.
• Performed patching of Windows, Linux, Solaris, HPUX servers on regular schedule. Involved in up Network/SAN based ignite images for HPUX PA RISC and integrity servers.
• Setup, Implementation, Configuration of Backup/Restore solutions for Disaster/Business Recovery of clients using HP OMNIBACK & Data Protector on UNIX, LINUX & Windows platforms.
• Working knowledge on TCP/IP, UDP protocols in solving network related issues on the servers.
• Experienced in Firewall scripts and securingLinuxproductions systems.
• Performance tuning ofLinuxmachines in the environment by kernel parameter tuning, identifying process that hog the system resources and containing them.
• Experience working in customizing the Kickstart and Jumpstart scripts to automate the installation of various servers used for various internal projects.
• Performed testing inLinuxEnvironments in the Dev/Test/Prod Stages to help create a better standardized environment and resolutions of any issues if any occurred.
• Problem determination and troubleshooting, Security using SSH and Shell Scripting
• Expert in installing, configuring and implementing the RAID Technologies using various tools like Solaris volume manager.
• Experience in Active Directory, GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), FTP, Terminal Server, Microsoft Clustering and Exchange Mail Server in Windows based server environment.
• Pioneered THP's first Unix and RDBMS application platforms (Ingres, Informix/Redbrick, Oracle), including migration from homogeneous, serial/ASCII legacy environments to heterogeneous, open TCP/IP.
• Experienced in creating VM for Linux, Windows and Solaris. LVM, ZFS and zone management.
• Experience in deploying several sets of Linux guest builds from VMware Templates.
• Migrated Physical Servers to Virtual Server and Virtual to virtual - using VMware Converter.
• Experienced in different tools for monitoring the health checkups for machines like CMC and Nagios version 2.10.
• Strong knowledge in DNS, DHCP and IP addressing.
• Deployment & system configuration Automation by Puppet and Chef automation tools.
• Experienced in maintaining user accounts, profiles, security, rights, disk space and process monitoring.
• Excellent understanding on ESX Architecture, guest OS installation, setting up of VM priorities, Cloning and Snapshots, Virtual Network, ESX Server, ESXi Server & Virtual Machines, Templates from VMs and deploying VMs from Templates.
• Expertise in Thin provisioning, VMFS expansion, RAID technologies.
• Hands on experience with the HP blade c7000 enclosures and the ML, DL, BL series servers.
• Experience in Windows clustering Administration, troubleshooting and Microsoft failover clustering manager.

TECHNICAL SKILLS

Server Operating Systems: Windows Server 2000-2008 R2, Red Hat EnterpriseLinux4.x, 5.x, 6x, CentOS/Ubuntu, MS-DOS

Virtualization: View 4.5, 5.1 /ESXi4.1,5.0,5.1,5.5/VMWare vSphere 4.0, Site Recovery Management (SRM), VMware infrastructure 3.0/3.5,ESX 3/3.5, vCloud Suite 5.1, vCenter Lab Manager 4, vCenter Server, vCenter Update Manager, Symantec backup,Double Take Converter, vCenter Operations manager(vCOPs), Platespin, vSphere, Citrix Xenapp 5, 5.5, 6, 6.5

Services: NFS, SSH, SFTP, FTP, rlogin, RPM, YUM, Samba, Auto FSTelnet

Storage: RAID 0-5/10, FreeNAS

E-mail: Lotus Notes, MS Exchange. Sendmail

Monitoring: HP Sitescope, Compaq Insight Manager, Nagios

Backup: Automated DLT Libraries, HP StorageWorks, CA ARCserve, Cheyenne Disaster Recovery

Networking skills: TCP/IP, UDP, LAN, WAN, NIS, LDAP NIS+, DNS, DHCP, NAS, SAN, Flexpod

Designing Languages: SQL Server, Oracle, MySQL, Sybase, DB2, MS Access

Tools: & utilities: MS Access, Wire shark, Workflow Engines, Orchestration toolsets

PROFESSIONAL EXPERIENCE

Confidential, Minneapolis, MN

Senior Linux/VMware Engineer

Responsibilities:

• Installation, configuration and Operating System upgrade on, Red HatLinux3.x, 4.x,5.x, 6.x
• Installed and Configured Web and investigate the configuration changes in the production environment
• Responsible for multicasting of various components as a system administrator
• Working closely with database administration staff to ensure optimal performance of databases and maintain development applications and databases
• Tuning the kernel parameters based on the application/database requirement
• Monitoring system resources, logs, disk usage, scheduling backups and restore
• Installed/Configured the Websphere server, JBoss application server, Weblogic server
• Developed Cron jobs and Shell Scripts for automating administration tasks like file system management, process management, Server reboots etc
• Managing disk storage with Veritas Volume Manager 3.5/4.1 with Veritas File System (VxFS)
• Implemented NIS and NFS for administrative and project requirements
• Monitoring system resources, logs, disk usage, scheduling backups and restore
• Set up Quotas for the user accounts & limiting the disk space usage
• Configuring SUDO and granting root permission to users for performing certain activities
• Working on network connectivity, SAN storage, creating LVM and taking TSM backup
• Installation, configuration Active Directory, Group Policy, Migrations, Security GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), FTP, Terminal Server, Microsoft Clustering and Exchange Mail Server in Windows based server environment.
• Installed Deployment & system configuration Automation by Puppet server
• Modifying user’s password policies, group policy, UID and GID assignment policies
• Troubleshoot network connectivity used ping, netstat, ifconfig, and trace route commands. Login to the remote system using sudo, putty, and telnet. Transfer files across the systems on the network used ftp, scp, and rsync commands
• Linuxtechnical support and prepared technical documentation for check in verification
• Installation, configuration, administration, troubleshooting and maintenance ofVMwarevirtual infrastructure (ESX 3.x and ESXi 4.x vSphere) platforms.
• Creation and management of Virtual Machines and Templates
• ManageVMwarevirtual infrastructure with Virtual Center Server
• Expertise in P2V Migration using VMware Converter. Expertise configuring Aggregates, Volumes, LUNs and Initiator’s groups to create and modify LUN’s using On Command Manager.
• Administering rights for Users and Groups for Virtual Center access
• Veritas File system and Veritas Volume Manager 2.5 are used to configure the RAID 1 and RAID 5 Storage Systems

Environment: Red HatLinux3,4,5,x 6VMwareESX 3.5, vCenter 5.1, ESXi 5.1, Windows Server 2008 R2, Volume Manager, Veritas Cluster Server, Weblogic 8.1, Samba, Oracle 9i/10g, HP DL 385 G6, HP DL380 G7.

Confidential, Detroit, MI

Linux/VMware Administrator

Responsibilities:

• Linuxadministrator, responsible for providing for 24x7 support for production and responding to users’ tickets from remedy
• Administered Network File Systems using Automounter and administering user and OS data files in NIS and NFS environment on RedhatLinux environments
• Implemented the Jumpstart servers and Kickstart Servers to automate the server builds for multiple profiles
• Maintained user account management, configured servers to register with Red Hat Network (RHN) Satellite Server, monitored servers - workload assessment, service console monitoring.
• Installation and configuration of database systems e.g. MySQL, Oracle10g in RHES, Centos environment
• Configuration of DNS servers on Linuxfor zones file, adding hosts to files
• Performed upgrades of Packages and Patches in Oracle Linux and Linux
• Installed and configured Oracle Real Application Cluster (RAC) on Linux Servers
• Created Volumes and File Systems using Veritas Volume Manager 4.0 and Veritas File System 4.0 (Foundation Suite) and LVM onLinux. Created disk groups, volumes, file systems, resizing the volumes and file systems
• Administered the File Systems and troubleshooting NFS issues
• Supported proactive maintenance on systems by timely upgrading Patches to the systems and applications, Scheduling batch jobs and cron jobs
• Installed and Configured Tomcat and JBoss for Web Application deployment
• Used VM converter for converting Physical machines in VMware VMs
• Updating /patching Linux, Windows Virtual Machine in VMware clusters
• Writing Bash and Perl scripts for backup and automation

Environment: RHEL 4.x, 5.x, Veritas Foundation Suite, Veritas Volume Manager, Tivoli Storage Manager 5.x, Veritas Cluster Servers, VMware ESX 4.x, 5.x, vCenter, VMware Update Manager.

Confidential, Farmington Hills, MI

Linux/VMwareAdministrator

Responsibilities:

• Installation and Configuration of RHEL Servers
• Installation, configuration and management of Apache and Tomcat servers
• Applying patches to fix the holes that are found during the quarterly scan basis using Nessus scan
• Upgraded and maintained servers, operating Systems and patches
• Install/configure/maintain the Solaris /Linuxservers, NIS, DNS, NFS, Mailing List, Sendmail, apache, ftp, sshd
• Install host firewall IPTables for RedhatLinux.
• Installed and monitored administering and monitoring tools such as Webmin and Nagios
• Administered Backup and Restore operations using Veritas NetBackup 5.1
• Responsible for managingVMwareenvironment, knowledge of implementingVMwareHA, DRS
• Worked on differentVMwareproducts likeVMwareESXI server, Lab Manager,VMware
• Workstation andVMwareplayer
• Experience working in a high-availabilityclustered environment
• Experience withVMwareupdate manager to install patches and updates on ESX/ESXi 4.0, 5.0 hosts and virtual machines
• Experience with backup and restore of Virtual Machine backup, snapshot, P2V-V2V conversation
• Experience withVMwareconverter and with other third party converters, Patch updating, monitoring/reporting, SSH and SNMP and notification of alerts
• Administration of DNS, DHCP, WINS in Active Directory Environment
• Upgraded Memory, CPU and Disk size on the existingVM's

Environment: RedHatLinux4.x 5.x,VMwareESX, Solaris 9, Veritas volume manager, SSH, Windows server 2003/2008 R2, Active Directory.

Confidential, Durham, NC

System Administrator (Linux, Windows)

Responsibilities:

• Installation, Upgrade and configuration of RedhatLinux RHEL 3.x, 4.x and Windows 2000, 2003 servers
• Strong Knowledge in creating various objects like User Accounts, Computer Accounts, and Auto logon accounts
• Upgraded Memory, CPU and Disk size on the existingVMwareSessions on ESX Servers
• Assigning folder permissions to the users by gathering approval from the group owners
• Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software in the Active Directory environment and NIS domains
• Managed performance of the server and resolved issues with Virtual Memory and swap space on operating environments
• Configuring & monitoring DHCP server
• Remotely coping files using sftp, ftp, SCP, winscp, and filezilla
• Log management like monitoring and cleaning the old log files
• Configuration and administration of DNS (Bind onLinux), Web (Apache), Mail (Exchange 2003), DHCP and FTP Servers
• Manage system installation, troubleshooting, maintenance, performance tuning, managing storage resources, network configuration to fit application and database requirements
• Documenting the configurations, changes made on any part of System and Network
• Involved in Backup of data on DAT tape drive, security, performance and availability of system and network
• Efficiently created and managed various Groups (Domain Local and Global Security
• Worked on HP Open View Service Desk (OVSD) tickets
• Raised tickets for any issues discovered during validation

Environment: RedhatLinux3.x, 4.x, Windows 2000, 2003, Exchange 2003, Apache 1.3.x, IIS 5.0, 6.0 and Oracle 8i, 9i, VMware ESX, Active Directory, FTP, SFTP.

Confidential

System/Linux Support Administrator

Responsibilities:

• Installation and configuration of Storage Products like Solstice Disk Suite, VERITAS Volume Manager Software
• Installation of Solaris 9 &10 on Sun Fire / Enterprise servers
• 10,000 users, 24x7x365 production environment
• 70+ NT/Netware application and file servers
• File services management and auditing, backup/restore, off-site rotation
• Network monitoring and on-call pager response
• Remote Linux server installation using Kick start servers and LAN boot images
• Responsible for Incident Management and Problem Management on UNIX Platform.
• Change initiator, non HA change co-ordinate with incident management team and HA change executer with technical change documentation.
• Configuring LDOM and Zones in Solaris 10.
• Responsible for Incident Management and Problem Management on UNIX Platform.
• Handling HPUX servers with MCSG cluster environments in Superdome servers SD 16K, SD 32K

Environment: RedhatLinux3.x, 4.x, Windows 2000, 2003, Exchange 2003, Apache 1.3.x, IIS 5.0, 6.0 and Oracle 8i, 9i, VMware ESX, Active Directory, FTP, SFTP

Confidential

System Engineer / UNIX Administrator

Responsibilities:

• Responsible for Incident management and HA Incident management on UNIX Platform
• Problem management on UNIX.HA engineering for architecture of HA environment with OS / patch Release management, Application load and maintain configuration of Central OS image servers.
• Routine Performance Analysis, Capacity analysis, security audit analysis reports to customer for necessary planned changes
• Analysis of availability, configuration management for reporting to customer
• Disaster Recovery planning and Responsible for Standard operating procedures to incident management team.
• Configure and manage disk-disk backups using storage systems for better performance
• Creating zones in FC for the DLT libraries for backup.
• Restore backups when required
• Managing Backup Schedule policies and attend customer meetings

Environment: UNIX/RedhatLinux3.x, 4.x, Windows 2000, 2003, Exchange 2003, IIS 5.0, 6.0 and Oracle 8i, 9i, VMware ESX, Active Directory, FTP, SFTP