PROFESSIONAL SUMMARY

System Administrator with 7 years of experience in server Administration, application support, LAN and Technical support with strong troubleshooting and analytical skills and experience in setting up of IT Infrastructure

• Experienced in setup, configuration, maintenance, troubleshooting different Operating systems like Solaris 10, Linux RedHat 5.0 /9.0, Windows NT Servers.
• Experience in the installation, support, configuration of Sun-Solaris 10 on SUN SPARC machines like ( SUN Fire M4000/T5140/T2000/X4150/V480)and on X86 Boxes
• Experience in developing Network infrastructure with technologies like DNS, NFS, Send-mail, NIS, DHCP, SMTP, FTP, SSH and web servers like Apache HTTP in UNIX environment
• Worked on Solaris 10 Container Technology. Created and maintained local zones and managed resources for zones using Solaris 10container technology.
• Knowledge in Solaris management console (SMC) for user administration, Log viewer and Job schedule.
• Check server performance with the help of TOP, prstat, IOSTAT, NETSTAT, SVMON, VMTUNE, SAR, and VMSTAT.
• Experience in Installation Maintenance and troubleshooting RHEL 5 on HP, Dell server
• Installing, configuring, and maintaining Apache, Samba, WebLogic and WebSphere (Middleware) application servers and, Oracle, SQL and Sybase database technologies on Linux environment.
• Experience in Installing Firmware Upgrades, Kernel Patches, system Configuration, performance tuning on SPARC machines.
• Expertise in writing Shell Scripting using Ksh/Csh/bash and Perl to ease administration tasks.
• Active member in configuration, maintaining VERITAS Cluster for load balancing and high availability of service
• Experience in configuring ESX server and involved in migration of physical server to virtual server on ESX environment.
• Created datacenter and hosts running ESX servers using vSphere Client and vCenter server, Created VM on ESX servers for new setups and good knowledge on Vmotion, SVmotion, DRS and HA
• SAN Switches: Experience with Switch Migration and Fabric consolidation on Brocade and Cisco SAN switches
• Installation, maintains and troubleshooting VOIP server and VOIP
• Experience in Backup administration environment with EMC Legato Networker 7.3,7.5 & 7.6
• Engineer and support EMC Legato Networker backup infrastructure consisting of several Servers (UNIX/Linux/ Windows servers) & storage nodes located at different location within internal network.
• Successfully installed Amazon Linux , RedHat Linux on Amazon web services (AWS)
• Successfully installed apache tomcat server on EC2 instances Amazon Linux and deployed web portal as per company requirements.
• On call support on rotation basis for all 24/7 Application running Servers.
• Capable of quickly learning and delivering solutions as an individual and as a part of team.

TECHNICAL SKILLS

• Operating Systems: : Windows XP /2000/Vista, Windows Server 2003/2008

SUN Solaris 9/10, Red Hat Linux Enterprise 5.0/9.0

• Hardware : SUN SPARC machines (M4000/T5140/T2000/X4150/V480) SUN Storage 3500/2540

SUN tape autoloader SL8/ SL24,

• Backup tools : EMC legato Networker, Net-backup,
• Network protocols : TCP/IP, DHCP, DNS, SMTP, POP, NFS,FTP, SSH, LDAP, DNS, Samba
• Microsoft Products : Active Directory, IIS 6.0, Exchange server 03/07,MS- ISA Proxy Server2004 ,

Ms-SQL server 2005.

• Communications : Routers, Switches, Leased / fiber Line Connection, DSL

Connection, ISDN modems, VoIP devices, Wireless Routers

• Languages : UNIX shell scripting(BASH), Java script, HTML
• Database : MS SQL server 2005, Oracle
• Software : Symantec antivirus Corporate edition, McAfee Virus Scan, Norton Ghost,

VERITAS backup (windows),VNC, Java 5.0, apache tomcat, VM ware, Filezilla.

EDUCATION:

• Bachelor of Technology (B.Tech)

PROFESSIONAL EXPERIENCE

Confidential, (Denver, CO) JULY 2011 – Till Date
Role : Linux/ UNIX administrator

Responsibilities:

• Responsible for Day-to-day systems administration tasks in Redhat Linux and Windows servers 2003/2008.
• Performed automated installations of Operating System using Jumpstart for Solaris and Kickstart for Linux.
• Administration of RHEL 5.x and Solaris 5.10 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
• Handful experience in performing Server Health check on daily basis and take necessary steps to fix performance, memory utilization issues. Good experience in writing bash scripts to perform server health checks.
• Good experience with server performance check commands like TOP, prstat, IOSTAT, NETSTAT, SVMON, VMTUNE, SAR, and VMSTAT.
• Setup of full networking services and protocols on Linux, including NIS/NFS, DNS, SSH, FTP, Samba, LDAP DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality
• Creating / monitoring / maintaining different user/group account and implementing restrictions levels ( command restrictions/ file restrictions ) by using SUDO, UMASK, ACL( Access Control List ) techniques
• Active member in periodic installation of security patches, OS patches, default software packages and 3rd party packages using RPM /YUM in Redhat Linux , pkginfo, patchadd commands in Solaris enivroment.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Worked and performed data-center operations including rack mounting, cabling.
• Set up user and group login ID\'s, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Installing and configuring Apache and supporting them on Redhat Linux production servers. §
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers, NMAP.
• Creating and growing File system by using Veritas Volume Manager and Solaris volume manager and CFS file systems.
• Creating an Instance of an Oracle Database and Configuring an Oracle Policy Database on oracle 10g and Oracle Enterprise Linux 5.3 installed
• Configured apache tomcat 6.0/web logic domains and MQ ques on Solaris servers and deployed application package
• Installed SSI files and Packages on Solaris and RedHat Linux servers.
• Involved in Upgrading Sun Solaris 8 to Solaris 10 by using LiveUprade. Involved in Upgrading Veritas Volume Manager from 4.0 to 5.0
• Installation and configuration of Veritas Volume Manager, Veritas Storage Foundation Suite LVM, Veritas File System and Veritas Cluster Server
• Experience in VERITAS cluster and using on daily basis to provide load balancing and high availability of data.
• Responsible for supporting more than 100 SUN/Aix servers for hardware and software incidents and engage sun support.
• Installed packages, patches and SSL certificates on all web servers.
• Involved in monitoring and configuring NFS servers and NFS clients an Lunix servers
• Responsible for creating user accounts and setup new workstations. Involved in monitoring and troubleshooting network issues.
• Upgrading Solaris 8/9 to Solaris 10 using live upgrade and manual upgrade.
• Setting up the thresholds on the parameters (CPU/Memory/Disk/Network) and alerting the users when the usage reaches the thresholds.
• Performance monitoring and tuning of file systems: By using commands such as SAR, uptime, vmstat, tunefs, sysdef, performance of the system is monitored.
• Involved in Sudo ,Batch Job Administrations (cron & at)and Send mail configuration
• Installation, configuration and administration which included performance tuning, scaling and capacity planning of Sun Solaris based infrastructure.
• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Assisting Development team to provide the information and troubleshooting.
• Initiating Backups on daily basis and monitoring the scheduled backups.
• Responsible for installing New SUN servers, cabling, OS and EMC storage. Involved in upgrading EMC HBA drivers, firmware and Power Path software to latest versions in Production environments.
• Configuring / allocating storage to hosts installed on ESX servers from VNX 5300/5500 using Unisphere Manager.
• Install, configure VMware ESX with vSphere environment and with Virtual Center management, Consolidated Backup, Vmotion and VMware Data Recovery.
• Build, configure and deploy VMs and templates. Completed Physical-to-Virtual (P2V) migration of Windows 2003, & 2008, as well as Linux servers.
• Handful experience in utilization of virtual machine via VSphere and VCenter.
• Experience in moving server/storage groups between servers
• Coordinated with the system administrators and network administrators to troubleshoot storage related issues
• Created CIFS shares and configured VNX VDM as CIFS Server for file shares.

Environment: SUN Solaris, Redhat-Linux, VMware ESX servers, Dell power edge servers, E15K, E10K, SL 3000, SL 5000,SunfireVxxx,SUN M4000, Sun Storage Array D1000, A5000, VNX 5300/5700,Symmetrix DMX3, T3,Storagetek L700, RS/6000 and P-Series Servers, Web logic, Veritas Volume manager, VERITAS netback up 6.x, 7.x, VERITAS cluster server

Confidential, ( Hartford CT) JUN 2010 to JULY 2011
Role: system administrator

Responsibilities:

• 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.
• UNIX / Linux System Administration. Fine tuning, Kernel debugging, process scheduling, disk and file system I/O, kernel internals, TCP/IP communications.
• Operating Systems Fine Tuning and Performance Analysis,Uptime and response time and SLA (used various Dtrace scripts- Solaris Dynamic tracing for capacity analysis).
• Provided Patching support for VMware ESX Server hosts and virtual machines on Solaris.
• Primary responsibility includes building and supporting Solaris/ Red hat Linux 3,4 servers.
• Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using BMC Tools.
• Installation, Configuration and Administration of Weblogic, Websphere and Apache Servers in Solaris Servers.
• Installed/Configured VMware ESX servers, Virtual Center, Virtual center database and performed VMware backup and restore operations
• Apache 2.0, SSL, SSH, RBAC, Perl, LDAP Configurations, Setup under Sol 10
• Implementation of DNS, LDAP, SSL on Sol 10.
• Installation, Configuration and Maintenance of Solaris Operating System with Veritas Volume Manager and Veritas Cluster Server..
• Creating / monitoring / maintaining different user/group account and implementing restrictions levels ( command restrictions/ file restrictions ) by using sudo, umask, ACL( Access Control List ) techniques
• Handful experience setup /maintain different network services like TCP/IP, DHCP, DNS, SMTP, POP, NFS,FTP, SSH, LDAP, DNS, Samba
• Worked extensively on HA/ Disk Volume Management with VERITAS Volume Manager/ SVM& VCS
• Created multiple Korn Shell wrappers to automate benchmarking batch processes to run on cron.
• Configuration and supporting the Datacenter environment consisting of Cisco routers, switches, Cisco (PIX,ASA,FWSM)/Checkpoint firewalls, F5 GTM/LTM, Cisco load balancers
• Maintaining, applying changes and fail-over schedules of HA servers
• Building New Servers, loading OS, applications, creating VERITAS file systems
• Implementation of RAID techniques and the creation of Disk groups and volumes, plexes using Veritas Volume Manager.
• Managing disks and file systems using Veritas Volume Manager
• Expert of Sun Sol 10 (Virtualization/Container based) Creation of Zones, svcadm Service Mgmt Facility.
• Creating and Managing of RAID levels like 0, 1, 0+1 and 5.
• Installed PowerPath 5.3, Navisphere Host Agent for host/ switches and arrays connectivity’s
• Extensive experience with operating systems, network protocols, systemsprogramming and configurations, and/or hubs, switches, and routers.
• Creating Backup account for new users and Deleting account for the retired or deleted users
• Troubleshooting and analysis of hardware and software failures for various Solaris servers (core dump and log file analysis).
• Installation and upgrade of Software & Patches, configuration mgmt, version control, service pack. & reviewing connectivity issue regarding security problem. Maintain various level of documentation ,Co-ordinate with change management

Environment: SUN Solaris, Redhat, VMware, E15K, E10K, E6500,SunfireV880, V440, Sun Storage Array D1000, A5000, T3,Storagetek L700, RS/6000 and P-Series Servers, Web logic, Veritas Volume manager, VERITAS netback up, VERITAS cluster server.

Confidential,NY OCT 2009- JUN 2010
Role: System Admin

Responsibilities:

• Installed and Configured Solaris 10 by using Jumpstart server(Jet server) and also installed and configured Linux by using Kickstart server.
• Involved User Administration (creating user account ,password and set the password) on Red hat Linux and Solaris.
• Involved in Sudo ,Batch Job Administrations (cron & at)and Send mail configuration
• Creating File system by using Veritas Volume Manager and Solaris volume manager and LVM
• Involved in Upgrading Sun Solaris 8 to Solaris 10 by using LiveUprade and Redhat Linux 4.5 to 5.0
• Involved in Upgrading Veritas Volume Manager from 4.0 to 5.0
• Involved in creating and configuring Zones/Containers, zfs filesystems in Solaris 10 environment.
• Responsible for Day-to-day systems administration tasks in Solaris and Linux.
• Configured NFS servers on using NetApp
• Installed packages, patches and SSL certificates on all web servers.
• Involved in monitoring and configuring NFS servers and NFS clients. Upgraded OBP Firmware for sun hardware.
• Installed and configured web logic on Solaris servers.
• Involved in monitoring and troubleshooting (network issues ,server performance Issues ,Kernel Tuning parameters, and Cpu/Memory/IO issues)

Environment: Solaris 2.7,2.8,2.9 Solaris 10, Linux, Sun fire V880, Enterprise server E3800, E6000/6500, M4000,M5000,M900,T5220,T5240,servers,DL380,Dl580, Qlogic, EMC, LVM, Veritas Volume Manager, Web logic 8.1,Iplanet,Netback up, SAN, ,Shell Scripting, NFS ,SMF, ZFS, Zpool , and Remedy

Confidential, JAN 2008 - AUG 2009
Role: Support Engineer (Implementation & L2 support)
India\'s No#1 Telecommunications Company in provide cellular, & broadband service SmartTrust is a global leader in SIM and Mobile Device Management software designed to provide mobile network operators improved understanding of their subscribers and efficient management of the SIM cards and devices on their network
Responsibilities:

• Maintaining BSNL-Cellone OTA servers for complete BSNL South Zone
• Installation & Configuration of Sun Solaris and Linux Operating System on SPARC Machines SUN Fire T5140/ X4150/T2000
• Experience in configuration of service like NFS, system package ,system package and telecom related application
• Experience in scheduling incremental and full back and restore on daily, weekly basic using Legato Networker application and SUN autoloader SL24
• Experience in troubleshooting server (SPARC T5140/X4150/T2000) from maintenance mode & console/ILOM/ALOM mode
• Active member in Maintaining and troubleshooting SUN edge storage equipment like SUN edge 2540 /3500 & monitoring disk usage
• Experience in implementing different levels of restrictions ( file level / user level / group level ) by using ACL, UMASK commands.
• Experience in implementing different network services like DHCP, DNS, , NFS,FTP, SSH, LDAP, DNS, Samba.
• Experience in VERITAS cluster and using on daily basis to provide load balancing and high availability of internet services to BSNL subscribers
• Installation of SIM related application like MYSerivePortal, DP,BUM, BOM, PUSH tool etc,
• Scheduling scripts for pushing GPRS device setting to BSNL-cellone subscribers and burning new service to SIM card.
• installation and troubleshooting different packages like java, apache tomcat on Linux operating system
• good knowledge in Unix shell scripting
• Involved member in WAP, SDP & CBC integration via PAP, Parlay-x & SMPP protocol respectively & preparing MOP/ documentation of all integrations for further reference.
• Active member in deploying Smart Trust ADPS server (Advertisement Push Server) for sending business/commercial messages to subscribers from OTA platform. Using the ADPS we can send WAP/MMS/Inbox and Flash messages to the subscribers.
• Handling complete Operations and Maintenance of OTA System, Testing and Launching New WIB Services, Report generation, Automation of Task. Customization of application on customer demand.

Environment: SUN Fire T5140/T2000/X4150/V480/V240, SUN Storage Tek 2540 SUN storage SL24/SL8 Tape autoloader, SUN Solaris 5.10, red-hat 5.1, SmartTrust applications (DP,TPM,TS, MySerivcePortal, Pushtool), Legato Networker.