SUMMARY:

• Linux/Unix/DevOps administrator with Over 8 years of experience in solving complex problems with creative solutions, supporting development and operations environments.
• Worked Extensively with Version Control Systems like Perforce, SVN (Subversion) and CVS, GIT, IBM Clear Case.
• Strong experience in System Administration, Installation, Upgrading, Patches, Migration, Configuration, Packaging, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine - tuning on Unix, Linux and Windows Systems.
• Well experienced in Linux Administration, Build and Release management involving extensive work towards code compilation, packaging, building, debugging, automating, managing, tuning and deploying code across multiple environments and Linux Administration.
• Good knowledge in working with Amazon Web Services like EC2,S3, Amazon Redshift.
• Application Deployments & Environment configuration using Ansible, Chef and Puppet.
• Closely worked with Developers and Analysts to address project requirements. Able to effectively manage time and prioritize multiple projects.
• Extensively worked on administering NIS, NIS+, NFS, DNS, DHCP, LDAP, Mail servers & Samba server.
• Experience in building Servers using Jumpstart for Solaris and Kickstart for Linux and Ignite for HP-UX. Exposure to NIM for AIX installation.
• Ability in execution of Shell Scripts, Power Shell scripts and python, Ruby scripts.
• Extensively worked on Jenkins for continuous integration and for End-to-End automation for all build and deployments.
• Experience in installing, configuring and implementing the RAID technologies.
• Experience in building Red Hat Network Satellite Server for automated installation of Linux boxes and creating image of Linux systemwith System Imager that automates Linux installs.
• Experience in installing, configuring the Volume/File system management using Veritas VolumeManager (VxVM), Logical Volume Manager (LVM), Solaris Volume Manager (SVM) and Veritas File System (VxFS).
• Extensive experience in installing, configuring and maintainingApplication Servers - WebSphere, WebLogic, Web Servers like Jboss, Apache HTTP, Tomcat (UNIX and Linux) and Oracle (9, 10, 11g).
• Experience in VMware, LDOMs. Installation and monitoring of Virtual environments with ESX/ESXi servers and Virtual Center 2.X, used solarwinds, nagios.
• Performing software installation, upgrades/patches/packages, troubleshooting, and maintenance on UNIX & Linux Servers.
• Experience in using configuration management tools like Puppet, Ansible& CHEF.
• Experience in User & Security administration, multiple backup & recovery technologies (Snapshots, Disaster Recovery plan) and maintenance of various activities.
• Performing software installation, upgrades/patches, troubleshooting, and maintenance on UNIX.
• Storage experience in managing NAS, EMC(VNX, VMAX) storage arrays & Veritas Net Backup administration(VNB).
• Maintained data files and monitored system configuration to ensure data integrity.
• Expertise in designing and implementing LANs, WAN services and IP Addressing schemes.
• Strong working knowledge of Switch and Router configuration with Cisco IOS and customization with VLANand Inter-switch communication.
• Established capabilities in application design, implementation, troubleshooting, monitoring using solarwinds, nagios, continuous improvement and change controls. Enhances and automates internal processes to generate efficiency.
• Experience with VMware VSphere 6.0, 5.5 and 5, VMware VCenter 5.5, Vcenter5, VCenter 4.1, HA, DRS, VMware VCenter Converter, Host Profiles, VMotion, Storage VMotion, Virtual Appliance, update manager, powerCLI, Remote CLI.
• Involved in Data Center Migration for P2P, V2V and P2V environments.
• Creating and Configuring DRS and HA Clusters on vCenter Server. Configuring VMware Fault Tolerance.
• Build and troubleshooting experience with ESX and ESXi Servers, vSphere and vCenter manager.
• Worked extensively on Templates and clones.
• Involved in upgrading ESX 4.1 to ESXi 5.0, 5.1, 5.1 and 6.0, P2V and V2V conversions using VMware Converter.
• Installing and Configuring VMware vCenter Server and use the vSphere client to connect and manage vCenter Server. Licensing VMware vSphere.
• Create, modifying, managing and migrating Virtual Machines using vCenter Server.
• Adding new hardware to VM machines and modifying existing hardware like adding more disk space, adding memory and CPU to servers.
• Taking Snapshots of VM Machines before we make any OS Level changes and restoring servers from snapshots in case of any issues with changes.
• Creating and Managing VMFS Data stores and connecting NFS Shares to vCenter Servers.
• Good knowledge on HP, IBM, Cisco UCS and Dell hardware, like analyzing the DSA and IML logs, configuring HP Array and extending the drive size on local drives.
• Experience in Installing, Configuring, Administration and Troubleshooting Microsoft Windows 2000/2003/2008/2012 Operating Systems.

TECHNICAL SKILLS:

Operating System: RHEL 4.X, 5.X, 6.X, 7.x, CentOS 5.X, 6.X, HP UX, IBM AIX 5.x, 6.x,, Windows 2003/2008 R2/2012/XP, SUSE Linux 10.x,11.x,VMware (ESX/GSX Server and Workstation).

Hardware: Cisco UCS/HP/Dell/IBM/Sun Blade Servers, Sun Sparc.

Web /Application Server: Tomcat, Apache, WebSphere, WebLogic.

RDBMS: Oracle 8i/9i/10g, DB2, MS SQL Server.

Languages: Python, power shell, power cli,UNIX Bash and Korn Shell Scripting.

Clustering Solutions: Veritas Cluster Server, Red hat Cluster Server, HP Service Guard, and Oracle RAC.

Storage System Software: Veritas Volume Manager, Solaris Volume Manger, Logical Volume Manager.

Back up Administration: Veritas NetBackup 4/5/6.x, Data Domain, Avamar, Netbackup.

Networking: DNS, DHCP, SMTP and WINS configuration, TCP/IP, IPX/SPX, PPTP Connectivity, Wireless LAN and VLAN, VPN Technologies, Frame-relay, LAN cards and drivers, SCSI cards, Repeaters, Switches, IEEE Ethernet, UTP/STP, Hubs, Routers, Bridges, Gateway, Cisco 2600,3600 and catalyst, Cisco Wireless (802.11), Secure point.

Build and CI tools: Puppet, Chef, Ansible,Maven, Ant, Jenkins, JIRA

PROFESSIONAL EXPERIENCE:

Confidential, Florida

Sr. System Admin(Linux, Devops)

• Installation of Redhat, Centos Linux on operating systems.
• Performed volume management tasks like mirroring using SVM, Veritas Volume Manager 4.x/5.x and HPUX LVM. Managed Linux and Windows virtual servers on AWS EC2 using Open-Source Puppet Server.
• Working for DevOps Platform team responsible for specialization areas related to Puppet for Cloud Automation.
• Able to create scripts for system administration and AWS using language such as BASH and PYTHON.
• Collaborated with Development and Support teams to setup a CD (Continuous Delivery) environment with the use of Docker, continuous build and delivery tools.
• Deployed AWS solutions with EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling & Opsworks; deployed cloud stack using AWS OpWorks.
• Configured kick-start server and updating/applying patches to the servers using Red hat Satellite server.
• Deployed Redhat Satellite Server with custom repositories to provide a stable management solution for Linux environment.
• Configured Kick start servers to install Red Hat Linux and VMWare ESX on multiple machines.
• Manage file systems using Software RAID and recover an array, manage file systems using Logical Volume Management, Resize file systems and protect them with LVM Snapshots.
• Installed and configured DHCP, DNS, NFS. Implemented SUDO, SSH and other security tools.
• Monitoring the hosts and networks using NAGIOS, Iostat, VMstat, MPstat and Other Tools
• Troubleshooting on Sun Java System Web Server and Apache 1.3.x web server on Solaris with experience in installing SSL certificates. Performance monitoring on Solaris & Linux servers using iostat, netstat, vmstat, sar, top & prstat.
• Configured NFS and Open LDAP services in Red Hat Linux and Solaris systems. User, Group management for all the UNIX servers.
• Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tools NAGIOS and BMC Tools.
• Utilization and Implementation of VMware at the full implementation range using the complex features of VMware connectivity with SAN, HA and DRS configuration.
• Configure dynamic and static network settings for IPv4 and filter packets, Review file system management concepts, removable media and configure NFS shares with AutoFS.
• Experience in SAN migrations at Host level on RHEL, HPUX and Solaris servers using Open Migrator, Open replicator and RHEL LVM and Veritas commands. Configured and monitored distributed and multi-platform servers using Puppet, Chef.
• Worked on Puppet Manifest to deploy new software and plugins as well as manage deployments to the production Jenkins server.
• Extensively worked on virtualization (Creating hypervisors and building up new virtual machines
• Configured and installed Apache Tomcat and WebSphere. Configured and maintained DNS, NFS, DHCP.
• Automated system management tasks like user account creation, file system size monitoring, monitor system resources and system maintenance using Shell scripts. Perform performance monitoring and report activity log to senior management.
• Worked on various types of file systems and volume management solutions: ZFS, LVM, VXVM and SVM.
• Monitored system performance of Virtual memory, Managing Swap space, Disk utilization and CPU utilization.
• Installed, configured and maintained PCs network cabling, other equipment, devices and systems.
• Responsible for setting up cron jobs scripts on production servers.
• Installed and configured SAMBA server for Windows and Linux connectivity.
• Worked in user account Administration and user account management and support.
• Installed and configured Patches and Packages and troubleshooting the system and end user issues.
• Worked in managing local disk devices, creating LVM and Monitoring & System tuning.
• Performed system administration activities like installing, upgrading, updating the maintenance page, restarting and stopping the services during the maintenance period; Responsible for Administrative support for Linux/Solaris running WebLogic Suite applications.
• Worked in server automation using Puppet for Linux and AIX servers.
• Managing projects for various Puppet system integration projects.
• Storage Provisioning, Volume and File System Management using LVM/Veritas on Linux in a SAN environment.
• Responsible for creating templates and deploying VM’s in VMware environment.
• Create Opsware implementation records to populate server specs to kick start file process.
• Automated server provision to modify server parameters and enable bulk server provisioning.
• Configured Red Hat Linux 6.x, 7.x machine as an LDAP client.
• Supported Linux and Windows VM’s running on ESX Cluster environment and performed vMotion activities for load balancing of resources.
• Build new VMwareESX Server on HP, Cisco UCS HW running Red Hat Enterprise Linux & Created different virtual machines, using VMware Virtual Infrastructure Client tool and configured with EMC storage box.
• Configured NIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, postfix, send mail, FTP, remote access, security management and worked on Security trouble shooting.
• Worked on deploying the code through web application servers like Web Sphere, Web Logic, Apache Tomcat and JBOSS.
• Pushed RPMs to effectively package the applications for product deployments.
• File system Tuning and growing using Veritas File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Worked in maintenance of systems including patching, setting up Print servers, Configuring File systems, using LVM/Veritas on HPUX/Linux/Sun Solaris OS, involving SAN environment.
• Managed the source code for various applications in SVN and GIT.
• Knowledge of agile development methodologies like Scrum, Sprints, Kanban model.
• Using ITIL process while pushing builds and deployments to prod and pre-prod environments.
• Worked on Administration, maintenance and support of Red Hat Enterprise Linux (RHEL) servers

Confidential, Warrendale, PA

System Admin(Linux, Devops, VMware)

• Installing, Upgrading, Patching, Configuring and Administrating (Red Hat Linux) RHEL 5, 6, 7, OVM, CentOS 6.X using Kickstart, Jumpstart, custom configuration like package management, volume management of servers.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
• Installed, managed and deployed Linux RedHat Enterprise, HP-UX,Ubuntu, CentOS and installation of packages and patches for Red Hat Linux Servers.
• Installation, configuration and deployment of OS on Testing, Development, Contingency and Production Servers.
• Created EC2INSTANTCES on AWS.
• Installed and configured DHCP Client/Server.
• Mass Build of Linux/Solaris OS servers using Kickstart /jumpstart automation application.
• Installation of Oracle 11g and Sybase open-client, Apache 2.x on Linux environment.
• Creating and cloning virtual machines in VMware environment using Virtual Infrastructure client 4.x and 5.5.
• Remediation of Security Vulnerabilities in Infrastructure environment.
• Performing Disaster Recover for Critical environments.
• Configuring Puppet-master, Puppet-agent and writing manifests, scripting using perl, python, bash.
• Worked extensively with Network File System (NFS) for storage.
• Creating logical volumes, extending the filesystems using LVM.
• 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.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Experienced in Technical and troubleshooting skills with relational databases (Postgres, MySQL).
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
• Installed/Configured the WebSphere server, JBoss application server, WebLogic server; Managed tuning and performance of high profile applications (peoplesoft, SAP) 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.
• Created the AWS VPC network for the Installed Instances and configured the Security Groups and Elastic IP's accordingly.
• Responsible for provisioning, maintaining and improving upon server infrastructure, split between physical data centres and AWS
• Administration of Web Application Servers and performing tunings for better performance.
• Performed OS, Network tunings on the Apache and Nginx web servers.
• Handling problems or requirements as per the ticket (Request Tracker) created.
• Installation Red hat Linux 5.x, 6.2 and 6.3, 7.0, upgrade of and Linux operating system. Configuring DNS, DHCP, NIS, NFS in Sun Solaris 8/10/11& other Network Services.
• Management and monitoring of various services using Service Management Facility and Service Administration.
• Implementation and administration of VMware ESXi 5.x, 6.0 vCenter for running Redhat Linux, windows Servers on Production and Development.
• Working with Apache, HTTP, ngnix Server including proxy and caching configurations
• Experience with application servers such as Tomcat or Web Sphere Application Server Community Edition
• Working on different blades and different clusters in vCenter.
• Configured the NIS, NIS+ and DNS on Red Hat Linux 5.1 and update NIS maps and Organize the RHN Satellite Servers in combination with RHN Proxy Server.
• Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
• Performing Failovers in HACMP / cluster environment, monitoring servers using solarwinds, .
• Experienced in maintenance and troubleshooting of HACMP 5.3/5.4 and Performed HACMP Failover.
• Experience in configuring Kick Start servers to initiate installation of RedHat Linux on several machines at once.
• Create status reports, project plans and attend team meetings to coordinate activities.
• Expertise in Volume management, Disk Management, software RAID solutions using Veritas Volume manager. File system Tuning and growing using Veritas File System (VxFS).
• Created Bash, shell, ruby, perl& python scripts for various Systems Administration tasks to automate repeated processes.
• Working with the hardware vendors and application team for the faulty replacement and planning the downtimes accordingly. Worked with Nginx,
• Supported various applications such as SAP, peoplesoft, informatic.
• Proficient in configuring Kickstart servers to initiate installation of Redhat Linux on several machines at once.
• Applied patches every quarter regularly to meet audit requirements using Oracle Ops Center, Red Hat Satellite server, Up2Date, YUM, RPM tools.
• Giving Customer support for DB2 and WebSphere Users on AIX and Linux servers Performance Tuning and Management for Linux/AIX server.
• Configured NFS Servers, NIS+ Servers, NIS+ Clients, Diskless clients and Auto clients and auto mounted the file systems using direct and indirect maps. Also setup entries in /etc/dfs/dfstab in Solaris share file systems and mounted the disks onto the client systems
• Installed SQL Servers 2008 and 2012, and various databases (oracle, mysql)
• Installation of Redhat Linux, Suse and Sun Solaris, kick start & Jump start.
• Installation through Satellite Server, CF engine.
• Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated existing servers into Vmware Infrastructure
• Creating the file systems using Red Hat volume manager and performing the health check on regular basis for all Linux servers.
• Worked with several networking products and protocols, including LAN, WAN, WLAN, DNS, DHCP, TCP/IP, SMTP, LDAP, kernel.
• Racked Windows 2012 R2 and 2008 R2 Servers: DFS Servers, FSMO Servers, Domain Controllers, Printer Servers
• Administration and troubleshooting of HACMP clusters.
• Configuring DRS, HA & Resource Pools in ESXi 5.5 and 6.0.
• Deployment of VM’s through powershell scripts.
• Updating and patching ESXi servers, Virtual Center servers using VMware Update manager.
• Installing VCenter server on Win 2008 and 2012 Servers to maintain all the ESXi hosts and VMs.
• Creating and Configuring Clusters, Resource Pools inside the VCenter.
• Configuring ESXi 6.0, 5.5 servers to use iSCSI & NAS storage.
• Backup & Restore management of the Virtual Machines.
• Responsible for Active directory, GPO, Domain users, Administrating users & groups & given appropriate permissions & privilege to access our LAN & Domain environment.
• Provided P1, P2 and P3 escalation incident management support for problem resolution using various tools.

Confidential, Auburn Hills, Michigan

Linux, VMware System Administrator

• Installing, Upgrading, Patching, Configuring and Administrating (Red Hat Linux) RHEL 5, 6, Oracle virtual machines, & CentOS 6.X using Kickstart, Jumpstart, custom configuration like package management, volume management of servers.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies, worked with Linux Kernel, CF engine.
• Worked on Solaris 10 container technology, created local and global zones, modified local zone parameters, created file systems on local and global zones.
• Creating Zones, containers, LDOMs on Solaris servers, creating zpools, ZFS file system installing Oracle, Java based applications such as peoplesoft, SAP on them.
• Troubleshooting and administering High Availability using VERITAS Cluster Server on various business critical database & application production servers.
• Installing, configuring Tivoli Storage Manager and Veritas Netbackup 6.5 on Solaris, Redhat servers, creating polices, scheduling jobs.
• Monitoring AIX Servers through tools like solarwinds, vmstat, netstat, vmstat and iostat.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris Volume Manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Maintaining and coordination of the production and non-production environments (OS patching, DB patching and configuration changes to support other interface changes.
• Participated in Incident management and outage calls related to Network and application related issues and effectively contributed towards issue resolution. Configured Management Tools (PUPPET, CHEF).
• Version Control Tools or Source Code Management tools (GIT, SVN).
• Network configuration for interfaces, switch ports, Ethernet cards, host names, netmask and routes details, DNS, NFS, LDAP, NTP and SNMP etc.
• Configured and managed Global File System (GFS) in Linux Servers, Creating and managing Cluster suite using GFS.
• Scanning the newly assigned LUNs to the serves and assigning them to volume group and increasing the file system using Red Hat volume manager
• Mounting & un-mounting the NetAPP, EMC (storage LUNs to the Red Hat Linux servers and troubleshooting the issues encountered
• Planned and performed the upgrades on Linux operating systems and hardware maintenance on HP and POWER servers like increasing memory, disk, replacing failed hardware.
• Doing capacity Assessment for new requests of servers i.e. calculating CPU and Memory for new servers according to the current/future Applications(Java, peoplesoft, SAP) running on the system.
• Managing Hardware and Software on Windows 2003, 2008 and 2012 Servers including troubleshooting and security management at Level 3 Support.
• Managing AD, DNS, DHCP, SFTP, File and Print Servers
• Configuring, Maintaining & Troubleshooting Cluster server issues.
• Racking and unracking new servers in to racks in datacenter and connecting all cables to new servers.
• Racking and unracking blade servers in to Enclosure and configuring new servers in Enclosure OA.
• Configuring and managing Blade servers using Enclosure OA and VC Console.
• Installation and Configuration of ESX and ESXi. Managing the Virtual Center 4.0/4.1/5.1/5.5.
• Virtual Machine Provisioning and P2V Conversion, modifying, managing and migrating Virtual Machines using vCenter Server.
• Configured ESX clusters with HA and DRS as required by the system, performed VMotion and Storage-VMotion as per the environment requirement based on the resources.
• Updated ESXi hosts in Prod/Dev/CAT/QA environments with newly released patches and driver extensions using VMware vCenter Update Manager.
• Maintained weekly inventory of all the VM’s, Hosts, storage devices and networks in use by the Systems Integration team for a dynamic environment.
• Deploying Virtual Machines using Templates and cloning of Virtual Machines.
• Supporting 24x7 production computing environments and providing on-call and weekend support.

Confidential, Sunnyvale, California

System Admin (Unix, Linux, VMware)

• Installation, configuration & upgrade of Linux 5/6, CentOS, HP-UX 11i, IBM AIX operating systems.
• Configuring Redhat Linux Servers with Jumpstart, Ignite and kick start.
• Configured and troubleshooting of NFS, NIS, NIS+, DNS, DHCP, FTP, LDAP, Samba, Apache servers in Solaris and Linux Servers.
• Performed memory and swap management to improve optimization and performance of the servers.
• Creation and scheduling Cron Jobs for backup, system monitoring and removal of unnecessary files.
• Providing day-to-day user administration like adding/deleting users and managing user queries.
• Planned and implemented migrations from one environment to another environment in OS level and Hardware level in Solaris and HP-UX servers.
• Expertiseon live upgrades in Solaris and HP-UX servers. Worked on migration from UFS root file system to ZFS root file system.
• Worked on installation, configuration and manage Redhat Cluster Suite in LinuxServers.
• Installed, configured and managed Global File System (GFS) in Linux Servers, creating and managing Cluster suite using GFS.
• Performed installation, configuration, upgrades, package administration and support for Linux systems on client side using Redhat satellite Network server.
• Performed RPM Package Administration using RPM build, puppet, chef automation. Wrote scripts on perl, bash, python, Php.
• Regular disk management like adding and replacing hard drives in existing servers and workstations. Creating partitions according to requirements, creating new file system or growing existing one over the hard drives and managing the file system.
• Worked on VMware. Installed & monitored with various virtual environments with ESX 4.x & Virtual Center.
• Performed configuration of Network Multipathing in Solaris and Linux.
• Installation and Configuration of ESX and ESXi. Managing the Virtual Center 4.0/4.1/5.1/5.5.
• Virtual Machine Provisioning and P2V Conversion, modifying, managing and migrating Virtual Machines using vCenter Server.
• Configured ESX clusters with HA and DRS as required by the system, performed VMotion and Storage-VMotion as per the environment requirement based on the resources.
• Updated ESXi hosts in Prod/Dev/CAT/QA environments with newly released patches and driver extensions using VMware vCenter Update Manager.
• Creating and modifying HostA, PTR, DNS Records.
• Creating DHCP Scopes, adding Exclusions and IP Reservations.
• Creating DFS Names Spaces, adding Folder targets to DFS Name space and configuring Replication.
• Troubleshooting DFS Replication issues and access to DFS Shares.
• Adding and extending Virtual Disks to add Disk Space to Servers.
• Managing Snapshots for Virtual machines on vCenter Server.
• Troubleshoot performance related issues on VM and physical servers.
• Decommissioning Virtual and Physical Servers.

Confidential, Atlanta, Georgia

System Admin (Linux, VMware, Windows)

• Worked in infrastructure team on installation, configuration and administration of CentOS 5.x/6.x/7, RHEL 5.x/6.x/7, Windows Server 2008-R2/2012-R2 and SUSE Linux 10.x/11.
• Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX Red Hat Linux Systems.
• Successful migration of application from UNIX to Linux OS, and received POB award for the same.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers, NMAP.
• 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.
• Installing vSphere, vCenter and configuring HA, DRS and resource allocation
• Managing existing Virtual datacenter and cluster in vCenter.
• Migrating VM's for resource balance and monitoring for alerts.
• Creating Virtual machines, updating VMware tools.
• Successfully executed P2V Project involving virtual environment of over 250 physical machines
• Installing and configuring servers.
• Creating and maintaining user accounts.
• Handling DNS, DHCP, Storage Server, ADS Servers.
• Install new / rebuild existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements.

Confidential, Philadelphia, Pennsylvania

Jr. System Admin (Linux, VMware, Windows)

• Experienced in Installing, Upgrading, Patching, Configuring and Administrating Red Hat Linux (RHEL).
• Written modules to install and configure Apache, Tomcat and JDK.
• Installing, configuring, and administering DNS, NFS, NIS, Mail servers, FTP servers RPM servers on Sun Solaris and Red Hat Linux platforms.
• Working on VMware/Esx servers. Installing and monitoring various virtual environments with ESX 3.x/4.x and Virtual Centre 2.x.
• Provided customer support, help/troubleshoot users to resolve server, network, and other system wide problems.
• Supported, enhanced and maintained a heterogeneous UNIX network of Solaris 24x7 environment.
• Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
• Installing, configuring, and administering DNS, NFS, NIS, Mail servers, FTP servers RPM servers on Sun Solaris and Red Hat Linux platforms.
• Working on VMware/Esx servers. Installing and monitoring various virtual environments with ESX 3.x/4.x and Virtual Centre 2.x.
• Supported, enhanced and maintained a heterogeneous UNIX network of Solaris 24x7 environment.
• Managing Hardware and Software on Windows 2003 and 2008 Servers including troubleshooting and security management
• Managing Exchange, AD, DNS, DHCP, SFTP, File and Print Servers.
• Creating and Managing Group Policies for controlling Administrator Access in all Servers and for other tasks.
• Configuring iLO and Drac for remote console access and troubleshooting server issues using iLO and DRAC.
• Updating PSP and Firmware on the servers for better performance.
• Configuring Memory Dumps in servers and analyzing memory dumps in case server crash due to BSOD.
• Installing Operating System 2003/2008 from scratch and installing all pre requisite software’s and adding server to all required tools to bring the new servers in to production.