SUMMARY:

• Extensive experience in installation, configuration and administration of Solaris 2.x,7,8,9,10, SuSE Linux 9 & 10, Redhat 3,4,5, HP-UX 10.x,11.x, IBM AIX 4.3,5L.
• Support and maintenance of Sun Ultra Enterprise Servers (E3500, E4500, E450, E420R, E250), SunFire(6800/4800/3800/v880/V480/V240/V210/V440/280R), Sun workstations (Ultra 5, 10, 20, Blade 100,150, 2000).
• Installed and configured LDAP Server for Linux user authentication, user information .
• Installation and Configuration of Oracle Web logic application server.
• Installing, upgrading and configuring SUN Solaris 7, 8, 9 and 10 on Sun Servers Using Jumpstart Servers and Interactive Installation.
• Linux-based Virtualization implementations such as VMware Esx 4.5, and Xen.
• Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
• Expertise in Veritas Volume manager (VxVM), Creating new file systems, mounting file systems and un mounting file systems.
• Experience in configuring ORACLE RAC 10G R1 on Linux Servers.
• Planning, documenting and supporting high availability, data replication, business persistence, fail-over, fail-back using Veritas Cluster Server 3.x/4.x, sun cluster server in SAN environment.
• Defined a strategic approach that incorporates virtualization, Web 2.0, Social Media, Cloud Computing and Service Oriented Architecture (SOA).
• Experience in Novell eDirectory 8.7 and 8.8 for security management solutions.
• Extensive knowledge in setting up Forward, Reverse proxy and DNS proxy servers for different applications.
• Set up and configuration of SSL certification for different applications.
• Expert in Installing, configuring and maintaining apache/tomcat, samba & send mail, Web Sphere Application Servers.
• Expertise in implementation and maintenance of DHCP, NFS, NIS, DNS and Apache SMTP.
• Highly experienced in Batch Monitoring and Nagios for Alert management and optimization.
• Performed case management in both stage and production environment.
• Efficiency in installing, configuring and implementing the RAID Technologies using various tools like VERITAS volume manager, Solaris volume manager.
• Used F5 Load Balancers in data center to distribute the load.
• Experience in using VERITAS Net Backup, Proficient in System Backup and Recovery from tapes using ufsdump, ufsrestore, tar and cpio, File system administration.
• Configured Networking Concepts DNS, NIS, NFS and DHCP, troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
• Networking and Communication devices, Server Utilities, TCP/IP, FTP. Expert in Data center operations including hardware, software setup monitoring, troubleshooting on a 24 x 7 basis with BMC patrol, Team Quest, Unicenter & Smart troubleticketing Systems/remedy tickets/kintana tickets etc.
• Installing, Configuring Solaris Volume Manager (Solstice Disksuite 4.2.1) & Veritas Volume Manager. Installed & Configured HBA (PCI/PCI-X) in SAN storage. Configured & installed ALOM (Advanced Lights Out Manager) & Load Balancer.
• Used open source tools like Syslog-ng for logging security.
• Resolving system errors and crashes, huge file sizes, file system full errors and Installing network Printers and rectifying the Printer problems over the net work.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, & Firewalls.

Education: Bachelors in Computer science and engineering.

Technical Skills:

Sun Solaris 10, 9 , 8 , SuSE Linux 9 ,10, Redhat Linux ES & AS, CentOS, HP-UX , IBM-AIX, Windows 2003/XP/2000

Hardware

Sun Ultra Enterprise Servers (E3500, E4500, E450,E420R,E250,Sun Fire (6800/4800/3800/v880/v480/v210/v440/280R/15K/25K), Sun Workstations (Ultra 5, 10,20,Blade 100,150,2000), IBM F-series and P-series, IBM RS6000, Sun Storage Array D1000,A5000

Software

Veritas File System , Veritas Volume Manager , Solaris Volume Manage, Solistice Disk Suite 4.x.

Tape Hardware

Storage tek tape libraries L40, L80, L180, L700,Sl500,Sl850,DAT & DLT, STK 9940B, 9840B, LTOs

Cluster

Veritas Cluster Server, Sun Cluster Server

Web/Application Server

Tomcat , Apache , IBM RSA/WAS , Web Sphere

Scripting Languages

Born , Bash , KSH & Perl

Database

Oracle , SQL, My SQL 5.6DB2/UDB , AS/400 , Sybase

Languages

C ++ , Java , VB 6.0 ,XML,HTML,Perl, Shell Scripting

ERP

SAP R/3, peoplesoft, Siebel

Professional Experience:

Client: Confidential,FL
Duration: Feb 2012-till date
Role: Linux/Solaris Administrator

Responsibilities:

• Installing, Configuring, Monitoring and Troubleshooting RHEL 4.x/5.5, Solaris 8,9 and 10 servers on P-Series, Dell and Compaq hardware platforms.
• Add, remove and resizing Logical volumes using LVM in Red Hat Linux and implementing software RAID at installation time.
• Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS) in Red Hat Linux systems.
• Configuring Virtual Machines under VMware ESX Servers to install Red Hat Linux guests.
• Configure and Implementation of Samba v3.0 to help printing and file sharing in the mixed environment.
• Maintenance level upgrades and software administration on Red hat Linux & RPM installation on Red Hat Linux using up2date and yum.
• Administered Red Hat Linux servers for several functions including managing Apache/Tomcat server, mail server, My-SQL database, and firewalls using IPTABLES in both development and production.
• Configuring Kick Start Servers and booting the images using PXE in Red hat Linux.
• Creation of Disk groups, volumes and plexes using VERITAS Volume Manager. Configured and managed virtual disks using RAID (0, 1, 5, 0+1,1+0) levels.
• Implementation and Management of Disk Quota on Red Hat Linux as well as NetApp filers.
• Planning & creating volumes and Scheduling the job, making sure the recommended processes are taken care while volumes are created.
• Implemented Enterprise level network reliability using NIC bonding, IPMP and link aggregation.
• Involved in Oracle 11g RAC implementation, and configured HAIP for network reliability.
• Worked on EMC VMAX storage, and different multi-pathing software’s such as multipath and EMC power-path.
• Configure enterprise level NAS , NFS and CIFS shares on netapp filers . Supported cifs , nfs3, nfsv4.
• Written Shell scripts to automate the administrative tasks using Cron and at in Solaris and Linux.
• Implementation of SSH for secure transfers and implementation of PKI between servers to enable password less logins between Servers.
• Configured IP bonding for failover load balancing.
• Configured multipath for SAN.
• Configuration and administration of Apache web server and JBoss for web applications.
• Setup, installation and participation in the ongoing development of WebSphere Application Server on AIX machines.
• Installing, configuring and deploying applications on Web logic Application Server 8.x, 9.x.
• Installation, Configuration, troubleshooting & maintenance of ATG application server for e-commerce clients.
• Scripts written for daily monitoring of servers regarding the number of hits, database connections and middle tier connections
• Manage systems using remote consoles like ILO for HP Hardware and HMC for IBM P-Series.
• Setup, configuring and Backup management using VERITAS Net Backup. Daily Monitoring of Net Backup activity and reporting to proactively avoid issues.
• Troubleshoot backup issues, Perform manual backups & restore on VERITAS Net Backup.
• Document and maintain the inventory using asset management techniques.

Client:Confidential, TN
Duration: Sep 2010 – Dec 2011
Role: UNIX/LINUX Administrator

Responsibilities

• Installed & manually configuring Sun Sparc & X86 machines and through jumpstart installation on workstations like sun ultra 20, sun ultra 40, sun ultra45, Sun Sparc blade 2500, sun fire servers V215 and adding in net groups. Installed, configured Zones and maintenance in sun Solaris 10.
• Installed & Configured Sun Fire 210, V240, V440, V490, V880, E450, 1280 & HP Proliant. DL-320/360/380/560/580 L Servers. Installation SuSe Linux Enterprise server (SLES) 9&10, Red hat Linux 5.5 onDell, Proliant, Enterprise Server 4.0.
• Installed the HP-UX Operating Environment, and configured dedicated hardware for the Virtual Partitions (vPar).
• Installation, Planning and resource group creation for HACMP 5.3/5.4.
• Architected and Consulted on Private Cloud Servers with R.A.I.N. Technology into our Client Base.
• Developed, implemented, installed, and administer Cloud Computing infrastructure supporting thousands of Linux and Windows based KVM VMs.
• Designed fault tolerance and automatic fail over mechanisms into Cloud Computing environments.
• Extensively used AWK, SED for processing data files.
• Device management and configuration on HPUX systems.
• Monitored Network devices using SNMP.
• Performed case management in both stage and production environment
• Configured & Managed storage resources using LVM.
• Extensive hands on experience working with VMware virtual products Vsphere4, ESX2.5 and ESXi4 system design, build and supporting cloud computing technology components such as: vMotion, Storage vMotion and p2v/p2p/v2p conversion tools.
• Designed and built a private cloud spanning multiple datacenters based on open source software including Linux and Xen.
• Extensively wrote Shell and Perl scripts to automate the day to day tasks.
• Providing 24 x 7 supports to various application level server level & network level Monitoring & troubleshooting of any datacenter outages. Day–to-day administration on Sun Solaris which includes Installation, upgrade & loading patches & packages.
• Veritas Netback up installation & maintenance Backup/restore on ADIC (Intelligent Storage Scalar i2000k – Library Management Console) using server Windows NT/2000 & Sun Solaris server & taking backup in DLT tape & checking the job failures.
• Configured NFS Servers, NIS+ Servers, NIS+ Clients, Diskless clients and Auto clients and automounted 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.
• Linux kernel, memory upgrade and swap area. Redhat Linux Kickstart Installation - Sun Solaris Jump start Installation.
• Installed, configured Virtual Machines on VMware Esx server.
• Extensively used Novell 8.8 for troubleshooting LDIF files.
• Experienced in configuring and troubleshooting JBoss Application Server
• Formatted raw disks & partitioned them using the format utility. Created file system using newfs and mounted it. Created devices and special files using mknod. Installed, managed Solaris Volume Manager (Configuring mirror/Breaking mirror/metadata bases Solstice Disk suite 4.2.1).
• Installed, managed Verities Volume Manager 3.5 (VxVM) on Solaris 9. Created Role Based Access Control (RBAC) for users.
• Veritas Netbackup installation and maintenance Backup/restore & Disk/Volume management with Veritas Volume Manager on Sun SPARC Storage Arrays & Multi-Packs. Written shell scripts to take backup Oracle database.
• Monitored server and application performance & tuning via various stat commands (top, mpstat, prstat, nfsstat, prtconf, prtdiag, iostat,top,printmgr, hpimliview, dmidecode,smc etc) and tuned I/O, memory etc.
• Installation of web logic, upgraded to service pack updates, installed BEA patches, configuring and creation new domain & services starting & stopping. Installation of Oracle10g on Linux and Solaris, creating database, creating Oracle users & export and importing database, creating roleback segment etc.
• Perform backup and recovery operating using native unix tools and CA Brightstor ARCserve Backup.
• Extensively used Batch monitoring for monitoring the servers.
• Provided second level HP-UX server and workstation support for end users, spread across whole United States.

Environment: Redhat Enterprise Linux 4.0/5.0, SuSE Linux 10, Windows Active directory 2003, Sun Solaris 8/9/10 Sun Storage Edge Disk/Veritas volume manager, HP-UX 11i, HP-UX 10.X, Windows 2000,2003, PHP, Apache Web Server 1.3.x, 2.x, Oracle 8i,9i, mySQL, Perl, ksh, Sun v480, v880, E220, IBM p630, p550, Dell PowerEdge 700,2650,6650.

Client: Confidential, AR
Duration: JAN 2009– JULY 2010
Role: Sr. Unix/LINUX Administrator
Responsibilities:

• Problems & performance issues; Deployed latest patches for Sun, Linux and Application servers, Performed Solaris ,Suse Linux, Redhat Linux Kernel Tuning for TCP stack. Installation Redhat Linux 8, 9.0 on Dell, Proliant, Enterprise Server 4.0.
• Installed & configured Sun Fire 210, V240, V440, V490, V880, 1280 & HP Proliant. DL-320/360/380/560/580 L Servers. Mirrored root disks on all the servers by using Solaris volume manager. Installed and configured HBA card in SAN storage.
• Installed HP-UX 11iv3 (11.31) on the nPar/vPars and created a stable operations environment including full documentation and installation/operations procedures.
• Installed HP SA (opsware) and managing it with 24/7 operation Team.
• Installation, upgrade, configuration, fail over/fail back testing for HACMP 5.4.
• Participated in the creation and ongoing maintenance of a role based security model in Windows 2000 Active Directory.
• Architected and Consulted on Private Cloud Servers with R.A.I.N. Technology into our Client Base.
• Linux cluster scaling and "cloud computing" using Amazon\'s EC2, S3, SQS and SimpleDB web services.
• Used AWK, SED for filtering the data and calculations.
• Scripted some system administration jobs using Shell and Perl scripting.
• Implemented and configured vmware on Proliant servers.
• Providing 24 x 7 supports to various application level server level & network level Monitoring & troubleshooting of any datacenter outages. Day–to-day administration on Sun Solaris which includes Installation, upgrade & loading patches & packages.
• 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.
• Working experience with LAMP background.
• Highly experienced in Alert management and optimization.
• Linux kernel, memory upgrade and swap area. Redhat Linux Kickstart Installation Sun Solaris Jump start Installation. Configuring DNS, IDNS, DHCP, NIS, NFS in Sun Solaris 8/9 & other Network Services.
• Support Level1, Level 2 and Level 3 calls for users worldwide.
• Data Centers support contains 500 + servers.
• Integrated system with SAP, working with SAP consultant
• Installation and configuration of Veritas Storage Foundation Suite, Volume Manager, Cluster Servers & Veritas File systems (Vxfs).
• Formatted raw disks & partitioned them using the format utility. Created file system using newfs and mounted it. Created devices and special files using mknod. Working experience on Virtualization.
• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Installed, managed Solaris Volume Manager (Configuring mirror/Breaking mirror/metadata bases Solstice Disk suite 4.2.1). Installed, managed Verities Volume Manager 3.5 (VxVM) on Solaris 9.
• Network trouble shooting using ‘ndd’, \'traceroute\', \'netstat\', \'ifconfig\' and \'snoop\' etc
• Installation of weblogic, upgraded to service pack updates, installed BEA patches, configuring and creation new admin & managed servers, start & stop web logic server
• Installation of Websphere, upgraded to service pack updates, installed IBM patches, configuring and creation new admin & managed servers, start & stop Websphere server

Environment: Redhat Enterprise Linux 4.0 ,SuSE Linux 9, Sun Solaris 8/9, HP-UX 10.x, HP-UX 9.x, Sun Storage Edge Disk/Veritas volume manager, Sun Fire 6800, 4800, V880, V420R, E220R, E450, PHP, Veritas Foundation Suite, my SQL, Veritas Cluster Servers, Veritas Net backup, Websphere, Iplanet.