SUMMARY:

• IT Sys admin with 8 years of experience in Unix/Linux systems as System Admin working on, UNIX & Linux (Redhat & SuSE), and System Administration on versions of RHEL 4/5/6/7, SUSE, CentOS and VMware Infrastructure 5.x, 6.x. and Azure/AWS public Clouds
• Managed Patches, Upgrades and Licensed Products for System software on all Linux Servers.
• Experience on shell scripts for CPU usage, Memory consumption and number of I/O to collect performance stats and troubleshoot issues and reduce human intervention.
• Created and maintained user accounts, profiles, security, rights, disk space and process monitoring.
• Experienced in Performance Monitoring, Security, Troubleshooting, and Backup, Disaster recovery, Maintenance and Support in accordance with established policies, procedures and service level agreements.
• Exposure to couple of ticketing systems like Remedy, Clarify.
• Experienced in remote network installations like KickStart & Jumpstart.
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in Linux.
• Implementation of RAID techniques and the creation of Disk groups and volumes, plex using Veritas Volume Manager.
• Experienced in installation, configuration, design and ongoing maintenance of Cisco router and switches.
• Experience with x86/x64Intel, HP, IBM & Dell hardware like rack - mounted servers, tower servers, desktop, laptop and other peripherals.
• Experience in monitoring the availability & performance of LINUX servers.
• Experience in installing, configuring and administering Unix Utilities like SUDO.
• Installation and configuration of httpd, ftp servers, TCP/IP, DHCP, DNS, NFS and NIS.
• Experience in Understand and Configuring /etc/fstab and /etc/mtab configuration files.
• Troubleshoot NIS, NFS, DNS and other network issues, Create dump files, backups
• Experience in analyzing logs, problem determination, and Recovery and restart
• Experience configuring Firewall and security using SSL, IPchains, IPtables, TCP Wrappers, Tripwire, and port scanners.
• Understanding of and ability to script in: shell, Bash.
• Experience in AWS Cloud, Server Configuration Management, Build & Release and Extensive Cloud Management.
• Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs) & security groups.
• Automation scripts for weekly and monthly backups to perform migration tasks.
• Launching Amazon EC2 Cloud Instances using Amazon Images (Linux/Ubuntu/Windows) and Configuring launched instances with respect to specific applications. Experience in iSCSI, NFS storage and RAID concept.
• Involved in upgrading production (Linux and Solaris), development & QA servers
• Experienced in supporting database system, exadata & oracle RAC on Red Hat Linux.
• Experienced and good working with data automation process.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, & Firewalls.
• Experiences in FTP, DHCP, SAMBA, users setup/troubleshooting.
• Experience managing various file system using LVM configured file system through network using NFS, NAS methodologies and installed RAID devices.Experience in Server monitoring, application monitoring with the help of HP insight, Nagios, Zabbix.
• Experienced in creating, mounting file systems and recovering file system errors.
• Experienced in scheduling different types of system tasks as per requirement.
• Good knowledge of installation and update of drivers for HBAs to provide connection between servers & clients.
• Expertise in using build tools like MAVEN and ANT for the building of deployable artifacts such as war & ear from source code.
• Application Deployments & Environment configuration using Chef/Puppet. Master and agent server configuration using tools like puppet, configuring Jenkins involving ant/maven invoke for continuous integration from version control.
• Administered and Implemented CI tools Hudson/Jenkins for automated builds. Experience in integrating Unit tests and Code Quality Analysis Tools like JUnit
• Experience in Designing and Implementing MicrosoftAzureSolutions across a range of cloud models like SaaS, PaaS, IaaS, and integrated on-premises, on-demand workloads with theAzurepublic cloud.
• Experienced in version control tools like Git, Subversion, Tortoise SVN and configuration.Creating branches, trunk and tag layouts for release and QA backups.
• Experienced in user access configuration to version control system and administration activities both in sequential and parallel release methodologies.
• Experience NIC bonding configuration in Linux systems to increase the bandwidth or redundancy based on requirement by the application.
• Experience in implementation and maintenance of Httpd, NFS and FTP skills.
• Experience with Linux/UNIX environments and scripting for Build & Release automation.
• Administered and Implemented CI tools Hudson and Jenkins for automated builds.
• Managed environments DEV, SIT, QA, UAT and PROD for various releases and designed instance strategies.
• Responsible for independent support of Tier 2 issues: reboots, start/stop services, reset.
• Ability to work closely with teams, in order to ensure high quality and timely delivery of builds and releases.
• Experience in installing, configuring and administering NFS, FTP, DNS, DHCP, NIS, Mail Server and Samba Server in heterogeneous environment. Strong ability to troubleshoot any issues generated while building, deploying and in production support.
• Used Logical Volume Manager for the management of Volumes including creation of physical and logical volumes on Linux. Worked closely with DBA Team in order to adjust kernel parameters as per requirements.
• Experience writing Shell and Perl scripts to automate the deployments.
• Server troubleshooting and Maintenance and creating Alarms for server downtime and health checkup.
• Expertise in Volume management, Disk Management, software RAID solutions.
• Experience in Documentation on clients requirements and System Specifications.
• Involved in Team building & Migration projects, project implementation, analytical, interpersonal and communication Skills.
• Knowledge on java programing concepts, also involved in web service calls and mysql coding along with sql tools usage.
• Decent knowledge on mathematical formations, algorithms and logical thinking. Good written and verbal communication skills.
• Extensively worked With VMware ESXi 5.1/5.5/6.0, vCenter Server, Host Clustering with HA, DRS, Replication
• Manager 5.x/6.0, Site Recovery Manager, vMotion, Physical to Virtual Migration and Managing SAN Datastores with, iSCSI, NFS & FC.

TECHNICAL SKILLS:

Operating System: RHEL 4.x, 5.x, 6.x, 7.x; CentOS 5.x, 6.x, Esx4.0/Esxi 4.1/5/5.1/5.5/6.0, Windows /2003/2008R/2012 Servers

Shell Scripting: Bash, Korn, Python. Backup and Recovery tools Dump, Restore, Tar, CPIO, Rsync, Kernel re-compilation & Patches, updates.

Hardware: DELL (PowerEdge), HP (ProLiant G7 & G8), Dell Power Edge Servers, Cisco UCS, Nexus 2k/3k/5k, F5's, Cisco MDS.

Virtualization: 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 4.0/4.1/5.0,5.1,5.5.6.0,6.5 VMware vCenter, vSphere Client, VMware VDI, VMware ThinApp, View 4.6/5.0, Microsoft Hyper-V, VMware Update Manager, Platespin migrator, Quest vConvertor, HA, vMotion. Web, Application and Mail Servers WebLogic 10.x/9.x/8.x, WebSphere, Apache HTTP/Tomcat/Jboss Server Installation & Configuration; Compiling with Modules; Virtual Hosting; SSL, Load balancing & Clusters,VMwareESX and ESXi, Oracle VirtualBox and Microsoft Virtual PC.

Network Protocols: DHCP, DNS, SNMP, SMTP, Ethernet, NFS.

Databases: Oracle 8/9i/10, 11G, DB2, PGSQL and MySQL.

Open Source Tools & Other Exposure: Nagios, Puppet, Ansible, Shell Scripting, OS Administration basics.

PROFESSIONAL EXPERIENCE:

Confidential, Des Moines, Iowa

Linux, Devops & VMware Sys Administrator

Responsibilities:

• Building, Installing, Configuring servers from scratch with OS of Red Hat Linux and centos Performed Red Hat Linux Kickstart installations on Red Hat 6.x, 7.x, performed Red Hat Linux Kernel Tuning, memory upgrades.
• Provided application support for Weblogic application servers as required.
• Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop'
• Creating logical volumes, extending the filesystems using LVM.
• Managed systems routine backup, scheduling jobs, enabling cron jobs, enabling system logging and network logging of servers for maintenance.Performed RPM and YUM package installations, patch and other server management.
• Installed and configured Logical Volume Manager - LVM and RAID.
• Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Send mail on RedHat Linux and Debian Servers.
• Configured RedHat Kickstart server for installing multiple production servers.
• Hands on experience working with production servers at multiple data centers.Automated server building using Kickstart and Jumpstart.
• Documented all setup procedures and System related Policies (SOP's).
• Best practice in managingAzureinfrastructure,Azurestorage accounts and deploying workloads onAzurevirtual machines (VMs), virtual networks, cloud services, resource groups, express route, traffic manager, VPN, load balancing, application gateways, auto-scaling and cloud services into secure V-Nets and subnets.
• Installation and configuration of Local Repository to assist with software updatesUser/ File management; Adding, removing and giving access rights to users on a server. Changing permissions, ownership of files and directories, and assigning special privileges to selected users and scheduling system related corn jobs.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Patch Management, Package Installation/Upgrades and Kernel upgrades.
• Setting up Oracle server in Linux/Unix environment. Updating YUM Repository and RedHat Package Manager (RPM)
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
• Experience in Package Management using Red Hat RPM/YUM.
• Install, configure, and troubleshoot enterprise-wide Apache web servers and Tomcat application containers in a large Red HatLinux/CentOS environment. Deploy, upgrade and maintain application and web servers.
• Experience in System Administration, Server builds, Installs, Upgrades, Patches, Migration,
• Experienced in writing shell scripts in UNIX (bash and ksh), for project requirements and also to minimize effort for routine tasks.
• Automated different workflows, which are initiated manually with Python scripts and Linux /centos bash scripting.
• Installed/Configured the WebSphere server, JBoss application server, Weblogic server; Managed tuning and performance of high profile applications running on them. Configuration and Administration of Load balancers and F5's, taking servers in/out of rotation.
• Software package and patch administration, involving adding and removing software packages and updating patches
• Installation, Configuration and managing firewalls like Fortinet, ZyWall, SonicWall, Anti Spam, Web filtering, Port forwarding.
• Configured Elastic Load Balancers with EC2 Auto scaling groups.
• AWS Cloud management and Puppet configuration.
• SolarWinds Server and Application Monitor Administration for Managed Service Provider.
• Roll out AWS Cloud Watch integration with Solarwinds monitoring, Deploy Oracle application monitoring, work with teammates knowledge sharing on issues and configurations.
• Installed, configured and maintained Redhat Satellite Servers for different applications.
• Created users, manage user permissions, maintain User & File System quota on Red hat Linux
• Creating the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system for all our products.
• Configuration and administration of LDAP, NFS and NIS in Linux and also implemented Samba for sharing of resources between Linux and Windows environments. Automate deployment process using configuration management tool Puppet and Chef.
• Responsible for design, development and testing of automated deployment and configuration scripts.
• Writing shell scripts for Automated Back- ups and Cron Jobs.
• Building and supporting environments consisting Testing, Contingency, Production and Disaster Recovery servers.
• Implementing new projects builds framework using Jenkins & maven as build framework tools.
• Manage deployment automation using Puppet, Custom Puppet modules and Ruby.
• Create, extend, reduce and administration of Logical Volume Manager (LVM) in RHEL.
• Implementing a Continuous Delivery framework using Jenkins, Puppet, Ant/Maven in Windows/Linux/Centos environment.
• Created monitors, alarms and notifications for EC2 hosts using CloudWatch
• Resolved system issues and inconsistencies in coordination with quality assurance and engineering teams.
• Work with different team members for automation of Release components.
• Wrote Python/bash scripts to parse XML/JSON documents and load the data in database.
• Created Python libraries that allow the transfer of data from SQL Database to Oracle Database.
• Scripting in multiple languages on LINUX and Windows - Bash, Shell script etc.
• Troubleshoot the build issue during the Jenkins build process.
• Troubleshooting Network, memory, CPU, swap and File system issues, TCP/IP, NFS, DNS, and SMTP.
• Expansion of existing file systems on remote servers using NFS Server & client configurations, performed disk configurations and crash recovery.
• Installed and configured Jenkins for Automating Deployments and providing a complete automation solution.
• Established network security using Linux Firewall and troubleshoot problems relating to boot loaders (GRUB, LILO).
• Used Puppet as configuration management tools, to automate tasks, deploy critical applications, & manage change.
• Responsible for Administering Nexus server which includes install, upgrade, maintenance of repositories, performance tuning, troubleshooting issues and maintenance.
• CnfiguredAzurecloud services,AzureFirewalls,AzureIAM (SSO/MFA/RBAC),AzureActive Directory (AD).
• Responsible for maintaining current software and hardware patch updates for all servers.
• Installed and configured Jenkins for Automating Deployments and providing a complete automation solution.
• Used Puppet as configuration management tools, to automate tasks, deploy critical applications, & manage change
• Troubleshooting problems with hardware and operating systems on multiple platforms working with multiple vendors to repair.Installation of software on multiple platforms using Ansible.
• Creating Virtual Machines, Cloning virtual machines, converting P2V (used standard VMware converter tool), VM-Provisioning (Linked clones, thin disks, de-duplication) taking Snapshots of virtual servers, HA, DRS, VMotion.
• Experience on creating host profiles and deploy to hosts in a VMware clusters.
• Worked on AWS Identity and Access Management (IAM) components, including user, groups, roles, policies and password policies and provide the same to end user.
• Deployed Virtual machines, configured them with IP, installed VMware Tools and hardware.
• Creating resource pools and adding the VM’s into the pools.
• Snapshots according to user’s requirement. Worked with the Linux team in creating new vm’s with their help in configuring it.
• Configuring HA, DRS clusters, creating Affinity rules and configuring FT when required.
• Performed capacity planning for new clusters. Worked with the storage team to resolve ESX and VM storage issues.
• P2V Hot and cold conversions using converter.
• Performed Hot Cloning, Cold Cloning, Classic vMotion and Storage vMotion.
• Application Deployments & Environment configuration using Chef, Puppet.
• Created and Maintained Chef Recipes and cookbooks to simplify and expedite deployment of applications and mitigate user error.
• Extensive experience in setting up Chef Workstation, Server and Clients.
• Worked onAzureResource Manager (ARM),AzureStorage, Blob Storage,AzureVMs,IIS, SQL Database,AzureFunctions, Service Fabric,AzureMonitor, andAzureService Bus etc.
• Provisioned EC2 instances on AWS using Ansible playbook and Unix environment
• Created the AWS VPC network and configured the Security Groups and Elastic IP's accordingly.

Confidential, Birmingham, Alabama

System Administrator - Unix/Linux & VMware

Responsibilities:

• Configured Red Hat 6.x Enterprise Linux Servers and other Linux distributions and working with applications like Apache, IIS, and Centos.
• Installed & configured Guest operating system like Red hat on VMware ESX 6.x.
• Configured, maintained, applied changes and fail-over schedules of HA servers running Veritas Cluster Server and RedHat Cluster Server.
• Implemented Kick start for Red hat environments.
• Fine tuning of Operating System and performance analysis, uptime and response time and SLA.
• Performed UNIX System Administration. Fine tuning, Kernel debugging, process scheduling, disk and file system I/O, kernel internals, TCP/IP communications.
• Written PowerShell scripts to automate the application deployment throughAzureDevOps.
• Monitoring system activities and fine tuning system parameters and configurations to optimize performance and ensuring security of systems.
• Automating the installs using Jumpstart and Kickstart and building post install scripts using Shell scripting in SUN Solaris and RHEL Servers.
• Performed server rack mounting and managed /retired old rack optimized server. Administered NFS Mounts
• Wrote Shell Scripts to check the security setting of the server and changing the server settings
• Acquired & Initialized LUNs in clustered & stand alone environments.
• Installation and configuration of tomcat and Apache Web Server
• Configuring IP connectivity, routing, checkpoint firewall and network interfaces. Also maintaining network connectivity of servers.
• Troubleshooting user logins using various remote login utilities.
• Monitored client disk quotas & disk space usage. System performance monitoring and tuning.
• Maintaining and troubleshooting network connectivity.
• Working knowledge with shell scripting using Bourne Again Shell (BASH), Puppet, and Nagios.
• In-depth knowledge of NFS, DHCP, NFS, FTP and network troubleshoot issues and solutions.
• Installed and configured Symantec VERITAS NetBackup master, media and client servers.
• Setup VERITAS NetBackup policies, Sun Server 7000 storage.
• ConfiguredAzureSecurity using RBAC,AzureSecurity Center andAzureMonitor services.
• ConfiguredAzureInfrastructure Automation using Runbooks and Terraform scripts.
• ConfiguredAzureActive Directory, policies and IAM to manage users and groups privileges also user account management (SSO/SAML) and multifactor authentication.
• Experience using YUM and RPM for package management .
• Performed Operating System (OS) upgrades on HP-UX 11.11 and 11.23 servers.
• Knowledgeable and experienced in HP-UX Serviceguard Clustering, Veritas Clustering Service (VCS) and VMware HA and DRS services
• Maintained IP blocks database and used Solarwinds IP Tracker for monitoring and planning.
• Excellent in troubleshooting and Maintaining, patching in AIX and Linux.
• Installing new software on AIX Boxes, Upgrading the Maintenance Levels as per application requirement
• Logical Volume Management maintenance.
• Installation, Configuration and Maintenance of RedHat Operating System with Veritas Volume Manager and Veritas Cluster Server.
• Trouble shooting the OS related Issues. Created new file systems whenever required
• Installed and configured JUMP START Server.
• Scanning the newly assigned LUNs to the serves and assigning them to volume group and increasing the file system using Red Hat volume manager. Configured RedHat Satellite Server for patching and configuring servers to update patches from the satellite server.
• Mounting & un-mounting the NetAPP storage LUNs to the RedHat Linux servers and troubleshooting the issues encountered.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Developed bash shell scripts to automate routine activities.
• Network trouble shooting and Worked closely with vendors on Hardware Problems, software fixes Provided support for break/fix incidents.
• Responsible for monitoring and working on problem tickets using BMC Remedy.
• Configured and maintained FTP, DNS, NFS and DHCP servers.
• Ensured the data redundancy with RAID implementation.Responsible for the configuration of DHCP server and Samba server.
• Responsible for DNS server management, user disk quota management, Projects, Quotas management.
• Performed tasks such as User, group management, adding, removing disks and creating file systems as requested on UNIX/WINDOWS Servers. Extensive working experience in process scheduling, disk and file system I/O, kernel tuning, TCP/IP networking.
• Installing Veritas Volume Manager and configuring Disk Groups, Volume Groups and Logical volumes to manage the storage resources.
• RHEL virtualization, Kernel-based Virtual Machine, VMware ESXi 5.1, mainframe, GPO, AD.
• Infrastructure hardening and Security Administration & Installation on multiple systems
• Configured various remote Access client machine, including iDRAC (Dell) and KVM and Raid.
• Provisioned and configureAzureVnet, site-to-site VPN connectivity betweenAzureVnet and On-premise/AWS network viaAzureVPN Gateway.
• Performance Monitoring & capacity planning in anticipation of system resource usage & needs.
• Setup Red Hat Kickstart server facility; setup DevOps (AWS) EC2 Apaches, Agile, MySQL Webserver WordPress, Application Server, Tableau, and Sales Force.
• Monitoring and fixing TCP/IP network environment issues on servers
• Troubleshooting of VMware ESX 6.0/5.5/5.0/4.1 Hosts, VMware vSphere virtual center. P2V and V2V conversions by using VMware Converter.
• Worked with Server Installation & Customization of Jenkins for to atomize the build/deployment process for respective application/project.
• Managed and optimized Continuous Delivery tools like Jenkins.
• Troubleshoot the build issue during the Jenkins build process.
• Install / monitoring / automation via Puppet / Ansible on CentOS 6, 7
• Provisioned EC2 instances on AWS using Ansible playbook and Unix environment.
• Developed Dev/Test/Prod environments of different applications on AWS by provisioning EC2 instances using Ansible playbooks.
• Tuning of the Linux OS 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.Responsible for Applying patches on all servers using centralized Puppet master server.
• ImplementedAWSsolutions using S3, RDS, EBS, Elastic Load Balancer, and Auto scaling groups
• Environment: Red Hat Enterprise Linux 5.x/6.x,7.x, CentOS 6.x, NFS Server, BASH Shell Script, VMware, Disk suite, GRUB, LILO, GIT, Maven, Jenkins, CHEF, Puppet, Docker, NAGIOS, Jira, Confluence.
• Hands on Experience working with private and public cloud platforms (e.g. OpenStack, OpenShift, AWS, etc)
• I have done basic bash scripting with the AWS cli. Migrated applications to the AWS cloud

Confidential

Unix, Linux &VMware Sys Administrator

Responsibilities:

• Installing Red HatLinuxusing kick start and applying security polices for hardening the server based on the company policies.
• Administration of RHEL 4.x, 5.x, 6.x, which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues. Installation of patches and other software package
• Installation, configuration and administration of Red Hat Linux servers and support for Servers
• Installation, maintenance and regular upgrades of Red Hat Linux Servers using kickstart based network installation
• Monitoring system performance, adding /removing /administering hosts, users, disks on DNS / NIS domain.
• Configuration of Hardware and Software RAID on Digital & Sun Servers
• Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management. Wrote bash shell scripts for getting information about various Linux servers
• Administering NFS Mounts.Troubleshooting Backup and Restore problems.Creation of LVMs using Linux utilities.
• Monitored overall system performance, performed user management, system updates and disk & storage management
• Performed OS upgrades and Patch loading as and when required.
• Installing Red hat Linux using kick start and applying security police.
• Taking care of NIC teaming at ESX server level for NLB and redundancy.
• Updating and upgrading ESX servers using VCenter Update manager.
• Storage VMotions according to the requirement.
• Extensive Experience in AIX System Dump Generation, resizing Dump devices, understanding errpt reports and coordinating on different issues with AIX System Support Center
• Administration, package installation, configuration of Oracle Enterprise Linux 5.4.
• RPM and YUM package installations, patch and other server management.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Setup logrotate for applications logs and system logs. Open ports for applications and process that require special ports.
• Document process and procedures for system and database usage
• Installed & configured Sudo for users to access the root privileges, setup ACL permissions for set of users.
• Configuration of VMotion, vSwitch, and VLAN in VMware Virtual center.
• Manage VMware Distributed Resource Scheduler (DRS), vMotion and High Availability (HA) Clusters.
• Create, test and deploy virtual environments using Virtualization Technologies - VMware Workstation and ESXserver, MS Virtual PC.
• Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
• Emulex and Q Logic HBA cards installation and configuration of the host servers.
• Expertise in Performance Monitoring and Performance Tuning.
• Worked and performed data-center operations including rack mounting, cabling.
• Worked on KVM, installing, configuring Linux VMs.
• Installation and configuration of LPAR's with AIX 5.3 on p5 servers.
• Responsible for performance monitoring using AIX utilities and nmon, Site view.
• Configuring multipath, adding SAN & creating physical volumes, volume groups, logical volumes.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers.
• Monitored server and application performance & tuning via various stat commands (vmstat, nfsstat, iostat etc) and tuned I/O, memory, etc.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Installation and configuration of VxVM 5.0 and creating disk groups, volumes, increasing volumes.
• Experienced in Troubleshooting critical hardware and software issues and other day-to-day user trouble tickets.
• Worked on creating and documenting the new processes and procedures.
• Developed automated processes that run daily to check disk usage and perform clean up of file systems on UNIX environments using shell scripting and CRON.
• Responsible for installation and configuration of Red hat Enterprise Linux (RHEL6.3 and RHEL 6.4) in development and test environments on HP physical servers as well as Virtual Machines
• Performing Post Build activities like Setting up Backup interface/ NIC bonding/ Loading additional Packages/ Joining the server to Active Directory, etc
• Worked with EMC SAN to acquire storage and setting up Veritas/LVM file-systems.
• Worked on setting up Veritas clustering.
• Worked with Oracle DBA’s for restore of Oracle Instance and Building Oracle RAC Cluster.
• Worked on creating Virtual machines using VMware and CHP software.
• Handled the VMware solutions to support multiple storage connectivity options such as FC-SAN, iSCSI, NFS (NAS).
• Installed, configured and implemented VMWare Virtual Center Infrastructure 2.5 creating, building, administering, monitoring, and balancing ESX 5.5 Hosts and Windows 2008 R2 Guest Servers, for Development and QA environments.
• ConfiguredVMwareon clustered environment, Implemented Migration of Virtual Machines using VMotion, Storage VMotion.
• Perform daily activities such as ticket handling, monitoring and troubleshooting of VMware and windows infrastructures.

Confidential, Virginia

Linux & VMware Sys Administrator

Responsibilities:

• Administration and troubleshoot skills on Disks & File Systems for Linux systems.
• Written various Linux shell scripts for example- apps init scripts, periodic backup scripts of Perforce depot, xterm tittle pointing to host alias names while login in.
• Working on Red Hat, Solaris, Ubuntu installations, configurations and system performance using load balancing and redundancy for fault tolerance.
• Monitoring Systems Performance, creating new users, locking/unlocking accounts, reset failed login attempts, fix connection, introducing new servers into networks.
• Linux administration skills play a key role in development and maintenance of this project. Creating new users and changing the necessary roles and related policies as required by the QA team for application testing.
• Shell script to read a given text file from client server consisting of applicant details.
• Shell script to FTP the text file to a different location in client server.
• Web service call to retrieve the document id and send it to different team through another web service call.
• Assigning servers for different stages involved in lifecycle of the project.
• Created and maintained the Shell/Perl deployment scripts for TC Server/Tomcat web application servers.
• Imported and managed multiple corporate applications into Subversion (SVN).
• User and group management; assigning gid's, uid's and permission management.
• Installed of all the required Software, patches, documentation, licensing trouble shooting. Used Symantec Enterprise Security Manager for system integrity check on newly build servers
• Performed installation, configuration and maintenance of Red Hat Linux 4.x,5. X, Centos.
• Provided 24x7 System Administration support for Red Hat Linux 4.x,5.x, Cent OS servers and resolved trouble tickets on shift rotation basis.
• Used YUM to patch RHEL servers, configured local and FTP repositories and used zipper to install packages on SUSE Linux.
• Handling HP and DELL servers running on Red Hat Linux and SUSE (SLES 9/10)
• Performed planning and implementation and management of NIM Master server &NIM clients.
• Developed bash script for getting information about various Red Hat Linux servers and automated cron jobs.
• Performed Red Hat Linux kernel, memory upgrades and undertook Red hat Linux Kickstart installations.
• Setup of full networking services & protocols on UNIX including NIS/NFS, DNS, SSH, DHCP, TCP/IP, ARP applications & print servers to ensure optimal networking application & printing functionality.
• Logical volume management (LVM)
• Linux coding to define the variables that are required to define the templates prepared and establishing a database connection to retrieve the applicant details. Successfully designed and executed project with high quality.
• Used data base management tools and Linux servers to code and compile script files.
• Server management and system administration skills. Writing batch jobs using shell script and calling java functions in shell script.
• Linux administration and retrieving variable data from database. Mapping variables with in the template to generate pdf template with member data.
• ConfiguredVMwareon clustered environment, Implemented Migration of Virtual Machines using VMotion, Storage VMotion.
• Hot and Cold Cloning of Virtual Machines usingVMwareConverter.
• Experience with managing VMware/ESX in Production environments.
• Creating and managing LVM’s using parted, fdisk.
• Configuring and Administering DNS, NTP, NFS and LDAP.
• Hardware Maintenance and System Administration of existing production environment.