SUMMARY

• 5 years of IT professional experience in Windows, Unix/Linux administration with expertise in Systems Engineering, Production support, Application support and exposure to Networking, SAN Storage, Security and Project Management.
• Experience in installing, upgrading, administering and troubleshooting of Red Hat Enterprise Linux 5.x/6.x, on HP - UX, Dell hardware. Strong experience in Installation, Upgrading, Patches, Migration, Configuration.
• Proficiency in Virtualization environments like Xen, KVM, VMware
• Configured Kickstart /Jumpstart servers for complete hands-free installation of Red Hat Linux / CentOS operating system and installed OS via a network using a Kickstart server.
• Participated in planning and implementation of Back up using OS native commands and Backup tools like Veritas Net backup.
• Installation and configuration of Web Application Servers like Tomcat, Apache, Samba.
• Security Configuration, Network, System Monitoring on UNIX based Servers - Basic hardening of the system and network security, attaining the goal of allowing only the valid users/ports into the system.
• Creating new file systems, managing user profiles, mounting file systems and unmounting file systems.
• Expertise in creating local LDAP users and resolving User Permissions. Updated Patches and Packages using Automation tools and Commands.
• Management of User accounts, System security, maintaining file systems, disk management and performance monitoring and tuning.
• Hands on experience with ticketing tools such as Service Now
• Troubleshooting skills with network protocols such as DNS, FTP,TCP/IP, NFS, DHCP, SMTP, BIND, SSH and SNMP,SFTP, Syslog
• Experience working on LAN/WAN and TCP/IP Protocols (Telnet, FTP. etc).
• Experienced in different tools for monitoring the health checkups for machines like TGIM
• Experience in Troubleshooting Hardware, Application Bottlenecks. System Recovery, Crash dump analysis and Performance Tuning.
• Expertise in Building and supporting environments consisting Testing, Contingency, Production and Disaster Recovery servers.
• Has expertise in Racking, Physically inserting RAM and replacing faulted Disks.
• Strong Automation skills using Python, Perl and other Shell languages.
• Experienced in supporting 7x24 production computing environments on-call and week end support.

TECHNICAL SKILLS

Operating Systems: RHEL and OEL 5.x/6.x/7.x, HP-UX11i v2/ 11i v3, VMWARE ESX/ESXi

Hardware: Dell PowerEdge servers X86, HP ProLiant BL680c G5 server, HP 9000 servers, IBM R6000, P-series

Tools: Linux LVM, HP-UX LVM, Service Now

Languages: Shell programming

Networking: TCP/IP, DNS, NFS, NIS, SSH, DHCP, Netstat, nslookup, SMTP, SMNP, BIND, MySql.

Web/Application Technologies: Apache http 2.4/2.2/2.0, Apache Tomcat 5.5/6.x, ESX 2.5.1, 25.2, 3.0, 3.5

PROFESSIONAL EXPERIENCE

Confidential

Linux System Administrator

Responsibilities:

• Administration of over 100 RHEL, CentOS, Fedora, SUSE, HP-UX servers which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual servers.
• Plan, design, implementation, installation and configuration of Operating System upgrade on Red Hat Linux 6.0 on & HP-Dl585 servers.
• Performed Building up of servers, deployment activities, and environment support including installation, configuration diagnostics, planning and upgrades.
• Experience working with version control system like Git, SVN to deal everything from small to large projects with speed and efficiency.
• Supported servers running CentOS, Redhat environments
• Worked in Datacenter Virtualization on a VMWareESXi environment.
• Virtualizing RHEL, Windows and environments with VMWARE ESX 3.5, 4.0 and vSphere 4.1 servers on Dell Poweredge and HP Proliant Hardware.
• Identified and virtualized servers onto VMWare ESX 3, ESX 4i, VMWare Server
• Creating customized Kickstart profiles for each server and making ISO to build the server.
• Security Configuration, Network, System Monitoring on UNIX based Servers - Basic hardening of the system and network security, attaining the goal of allowing only the valid users/ports into the system.
• Installation & configuration of Syslog server to capture logs centrally for all network devices & Linux servers
• Installation & configuration of YUM server for Linux patch deployment on Linux servers & machines.
• Creating, Resizing and managing online JFS File system for users upon user request using LVM.
• Scanning the newly assigned LUNs to the serves and assigning them to volume group and increasing the file system using Redhat volume manager.
• Creating local LDAP users and resolving User Permissions. Updated Patches and Packages using Automation tools and Commands.
• Worked in setting up LDAP, DNS, and DHCP Server along with effective Group and System Level policies and roaming profile features by using Samba and NFS.
• Setup of full networking services and protocols on UNIX, including NFS, DNS, SSH, DHCP, NIDS, TCP/IP,applications, kickstart and print servers to insure optimal networking, application, and printing functionality.
• Installation and setting up firewalls (IP tables).
• Worked on SFTP servers for sending and receiving files between local and remote servers.
• Troubleshooting Hardware, Storage, Application Bottlenecks. System Recovery, Crash dump analysis, Performance Tuning and analysis.
• Initiating Backups on daily basis and monitoring the scheduled Jobs backups, Clarify Ticket based problem management.
• Experience booting systems into different run levels for troubleshooting and system maintenance.
• Systems monitoring and administration of Servers for day-to-day problems, patches, user administration, hardware failure, monitoring log files, backup, software upgradation, configuration changes and documentation.
• Installation of Ubuntu, Redhat and CentOS Linux on HP and Dell Rack and Blade.
• Creation & Maintenance of user accounts & passwords & profiles, home directories, initialization of files, groups’ creation and management, setting file permissions, customizing shell environment setup for users.
• Maintained and monitoring System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues
• Planned and implemented the migration of equipment and services from one datacenter to the new one.
• Installation of patches on servers running Redhat servers.Creation of VMS's using the web console vCenter on VMWare ESX.
• Expertise in VMware Virtualization using Vsphere 5.0.
• Installation of VMware ESX3.5.4.x infrastructure on Dell Power Edge Server and administration of VMs.
• Installing, administration and troubleshooting of Apache 2.x web server, whichincluded tasks like creating virtual hosts, installing SSL certificates etc.
• Performed disk administration using LVM, Linux Volume Manager (LVM),
• Planned, scheduled and Implemented OS patches on Linux boxes as a part of proactive maintenance and Secure Shell (SSH) implementation
• Configuration and administration of NFS and Samba in Linux.
• Managing of configuration files like httfpd.conf, Apache and crontab in the revisioncontrol systems.
• Secure system logs for system errors, unauthorized access, hardware failures using top and other Solaris utilities.
• Interaction with vendors for Hardware and software supports.
• Documentation of the procedures of according to the company policy.
• Developed BASH, shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation
• Performed daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
• Repair and recover from hardware or software failures. Coordinate and communicate with impacted constituencies.
• Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities.
• Configure / add new services as necessary.
• Day-to-Day application support on production and technical documentation for critical prod issues, on call pager support 24/7 environment.
• Pre migration checks and configurations on all Linux servers
• Performing root cause analysis to find the bottlenecks and tuning to improve the performance
• User administration; startup and shutdown scripts; crontabs, file system maintenance, backup scripting, shell scripting (bash, ksh) for Red Hat Linux and other open source distributions

Environment: RHEL 5.x/6.x servers (DELL Power Edge 2850, 2950, R805, R910, Ubuntu 14.04, Kickstart, Apache, Tomcat, HP DL360, 380, DL385,, VMware ESX, GIT repository,TGIM.

Confidential

IT Infrastructure Analyst

Responsibilities:

• Installation of Win XP, Win7 (32 bit & 64 bit), Mac OS as per user requests.
• Maintenance of Lenovo desktops including models - Lenovo think Center M71, M72, M55, M58, M57, M73 & Laptop Lenovo ThinkPad X Series models - X61, X200, X201, X220, X230.Coordination with vendors for Lenovo laptop, desktop repairing, procurement purposes.
• Installation of various softwares & troubleshooting the issues related to software.
• Closing the Incidents as per the given SLA.Performing Asset management.
• Printer troubleshooting & solve miner issues related to printer software or contact to printer vendor for major issues.Call to Lenovo & Cannon for the hardware parts if required for the Desktops & Laptops.
• Creation of user ID in Active Directory for permanent and Contractor users, creation of Email ids for users in Active Directory.Assigning Admin rights to users in AD.
• Ability to troubleshoot issues in a Microsoft Active Directory based desktop and server environment. Updating and modifying user details in Active Directory as per request.
• Adding users in required Groups. (Wireless group, share drive access group). Password resets or unlocks PointSec passwords / Safe boot passwords /PGP password through Servers for users.
• Assigning VDIs to users through vCenter 5.0. Troubleshooting if VDI related issues.
• Perform VDI migration across Clusters within same vCenter or between different vCenters as per user request. Keep Track of VDI Infrastructure & reclaim VDIs once user left an organization. Delete VDIs from vCenter. Build new Virtual machines for new joiners.
• Create & maintain & delete user mail accounts on Blackberry Enterprise Server - Version 5.1.Provide support to Blackberry related issues including data backup, OS upgrade, application installation. Models - Blackberry 9900, 9300,9320,9360,8520.
• Support for Cisco IP phone 7961, 7962 series, AVAYA, Nortel IP Phones
• Drive Change Management activities as per requirements related to Windows Server or network change & co - ordinate with Server & Network team for the implementation of Change.
• Close the calls within SLA, maintain the records for - out of SLA calls, closed calls within SLA, Call closer Toper list, Pending issues.
• Carrying out the incident dispatchment in the Service-now 8.0 tool. Assigning incident across India region to respective location engineers as per the shift Rota given for locations including Pune, Chennai, Mumbai, and Noida & various location of Confidential .
• Maintain the IT Infrastructure at site. New server, Printer installation, Build server configuration, Wireless devices configuration with the help and coordination of Network, Server Team.
• Maintenance of VC room with the help of global VC team.
• Successfully doing the yearly maintenances activity of site. (Power Shutdown activity)
• Coordination with vendors IBM, DELL for laptop, desktop repairing, procurement purposes.
• Plan and perform appropriate procedures, documentation, inventory assessment, and other procedures related to IT. Work with a team to automate management tasks, streamline processes and perform standard administration functions as needed
• Carrying out Tech- Bar, Tech Forum, Here-To-Help sessions on the sites to know about various technologies to the customers. Learning them to use of the new technologies.
• Perform additional duties as assigned by management.Maintain professionalism, good attitude and appropriate behavior with internal personnel and clients.

Confidential

Sr. Service Engineer

Responsibilities:

• Supporting Dell Users
• Dell desktops, workstations & Laptops troubleshooting Models
• Diagnose the issues & order the required parts from Dell & Replace the parts of Dell Desktops & laptops. Maintenance of Dell Desktops including Dell OptiPlex 750, 755, 780, 380 & Dell Inspiron 660, 530 models.
• Maintenance of Dell Laptops including Dell Inspiron 4110, 4100, 5100, 5160 models, Dell Latitude D630, D640,6400,6500, 6300, 6550 models, Dell Vostro, Dell XPS & Dell Studio series laptops.
• Closing the Incidents as per the given SLA.
• Performing Asset management. Printer troubleshooting & solve miner issues or contact to printer vendor for major issues.Use the DigicompDSP call logging tool effectively & mention all the troubleshooting steps.
• Complete the call as per the given SLA. User should be satisfied is the goal.

Confidential

Field Maintenance Service Engineer

Responsibilities:

• Assembling, Disassembling, Hardware Implementation.
• Installation, Formatting of operating system
• Maintenance of Dell Desktops including Dell OptiPlex 750, 755, 780, 380 & Dell Inspiron 660, 530 models.
• Maintenance of Dell Laptops including Dell Inspiron 4110, 4100, 5100, 5160 models, Dell Latitude D630, D640,6400,6500, 6300, 6550 models, Dell Vostro, Dell XPS & Allianware laptop & desktop models.
• Installing, configuring and troubleshooting of Antivirus
• Diagnose and troubleshoot any virus problems that can be fixed by the anti-virus tool.
• Allocation and recovery of laptops and desktops. Perform additional duties as assigned by management.
• Configuring and maintaining of MS outlook ( &2007) and Ms Office related issues, Creating PST, PST Movement etc.
• Work with a team to automate management tasks, streamline processes And perform standard administration functions as needed.
• Maintain professionalism, good attitude and appropriate behavior with internal personnel and clients. Arranged team meetings on weekends and impalement new ideas.

Confidential

Customer Support Engineer

Responsibilities:

• Installation, Formatting of operating system
• Maintaining Branded Desktops & Branded Laptops.
• Hardware troubleshooting
• Installation, Configuration & Troubleshooting Microsoft Outlook 2003/2007.
• Install software and Antivirus updates.
• Configuring LAN. Network troubleshooting.
• Desktop & Laptops related Problems troubleshooting.
• Visit the user location (Field calls) for the issue resolution.