SUMMARY:

• Over 10 + years of experience in System Supporting / administration in the areas of Sun Solaris, RedHat Linux, and Windows environment.
• Expertise in installation, administration, patches, up gradation, Configuration, performance tuning and troubleshooting of Sun Solaris 8.x/9.x/10.x, RedHat Linux 4.x/5.x,IBM AIX 4.x/5.x/6.1 and HP - UX 11.x environments.
• Expert in Jumpstart, Kickstart, NIM, Ignite Installation Methods
• Proficiency in supporting various Sun hardware like (E25k,E20k,E15k,E1290,1500, E6800/6900,E4800 V890,V880,V490,V480,M3000.) for Solaris, Dell hardware (Powder edge 2850, 2950), HP-DL-380/580(G5,G6) and SunstorEdge 6920.
• Providing 24/7 technical support to Production and development environments
• Expertise in Veritas Cluster Server, Veritas Volume manager and Veritas Net Backup
• Expertise in Installing and Managing LDAP, NIS, NFS, DHCP,SAMBA and DNS
• Scheduling various jobs such as backup jobs, housekeeping, database, proprietary jobs using CRON and BMC Control-M and troubleshooting daily job problems.
• Strong experience and understanding of Auto mounts, TCP/IP, SMTP and Printer configurations.
• In Depth knowledge and experience with LDOMs, Server Domains and Zones.
• Expertise in Volume management, Disk Management, Software and Hardware RAID solutions using Veritas Volume manager.
• Extensive experience in installing, integrating, tuning, and troubleshooting Open Migrator, Rsync, Apache, Tomcat.
• Monitoring the hosts and networks using NAGIOS, Zenoss, HP OpenView and BMC.
• Strong Experience in Weblogic 5.1, 6.1, 7.0, 8.1 and 9.1, 9.2 Application Server and very good experience in Weblogic 6.1, 7.0, 8.1, 9.1, 9.2 Clusters.
• JBoss including installation, configuration, management and troubleshooting
• Experience in Installing, Configuring, and Implementing Virtualization Environment Using VMware (Server + Workstation), SUN Virtual Box, and Microsoft Virtual PC
• File system tuning using Veritas File System (VxFS), planned, documented and supported high availability, data replication, business persistent, fail-over, fall-back Solutions using Veritas Cluster Server 4.0 in SAN environment.
• RDBMS installation and support including Oracle, SQL Server, MySQL, and use of SQL in various contexts.
• Configured & installed ALOM (Advanced Lights Out Manager) & Load Balancer.
• Coordinated with SAN Team for storage allocation and Disk Dynamic Multi pathing.
• Worked on Various SAN Products like Confidential Symmetrix, Hitachi data systems.
• Implemented and Enhanced the Existing Scripts which are developed in Shell, Perl, SQL.
• Worked with Backup Team to Configure the Master and Client Backup servers Using Veritas Net Back up and Recovery from tapes using ufsdump, ufsrestore, tar and cpio file system administration.
• Experience in working on Clone installations and disaster recovery using Clonezilla for RedHat Linux and Solaris Flash for Solaris respectively
• Working Knowledge on Veritas Storage foundation (VSF) and Veritas Volume Replicator (VVR).
• Implement OpenSSH based security for the RH-4 and Solaris10 machine.
• Worked with Opsware SAS tool for Server Automation and Patch management using RPM.
• Experience in System performance tuning Configuration.
• A good team player with strong communication skills and an inquisitive mind to learn more

PROFESSIONAL EXPERIENCE

Confidential, San Antonio, TX

Lead Consultant /Project Manager

Responsibilities:-

• Served and Managed 24x7 Large Production and Mission Critical Environment site with over 3800 Servers which included Oracle Solaris, RHEL, HP-Ux
• Monitoring of the servers though a centralized monitoring server and different tools which sends error messages when a threshold is reached.
• Monitored System processes & system status; identifying system bottlenecks
• Decommission of Physical Server (running HP-Ux and Solaris) and Zones (stand-alone and VCS controlled).
• Co-ordinate with Vendor for analysing and replacement of any hardware failure identified on the server.
• Creation, Removal and expansion of file system using Solaris Volume Manager, Veritas Volume Manager and Logical Volume Manger
• Raw partition for Sybase and Oracle in RHEL- UX using Logical Volume Manager
• Worked with Solaris zones/containers.
• Managed shared NFS files system, mounting and unmounting NFS server, NFS client on remote machine, sharing remote file folder, starting and stopping the NFS services.
• Auto-mounted directories between the clients as required by the users
• Performed maintenance on high availability servers running VERITAS Cluster and HP Serviceguard.
• Configuring Network printers on Unix systems
• Perform OS patching with the recommended patch cluster using in-house scripts
• Used RPMs to install, update, verify, query and erase packages from Linux Servers.
• Documented installation procedures, process flow for changes performed in present environment.
• Perform user migration through in-house scripts
• Schedule for periodic shutdown of server, cleaning of temporary and unwanted files
• Participated in DRE exercise on 2800 Odd server
• Configured Various Network services such as LDAP, NFS, NIS, DNS,NIS,NIS+ and Send mail in RedHat and Solaris servers.
• Helped to establish standards, policies and procedures for all aspects of UNIX server environment like administration, documentation and configuration.
• Responsible for upgrades to RedHat Linux and Software packages and maintained them in accordance with established policies, procedures and service level agreements.
• Troubleshooting day-to-day server related issues and problems in terms of hardware, operating system, applications and network
• Procedural documentation of supporting applications as well as SLA and escalation policies to coordinate with the monitoring systems as deployed
• Work with developers to integrate their web applications onto standard infrastructure.
• Responsible for moving the application through different tiers like development, testing and production on time.
• Assisted customers with setting proper Priority/Severity of problems, work problems to resolution, recorded/documented actions in databases as well as utilized tools and resources.
• Involved in migration and consolidation of Unix Servers in Production data center activities.

Environment: Solaris 8/9/10, RedHat Linux 5.x, HP-Omi (Monitoring), Netback Up, Solstice Disk Suite 4.2.1,, Confidential Centera; Confidential Connetrix, SAN Switches, Tape Libraries, Solaris Zones, Remedy ticketing tool, Sybase and Oracle Database.

Confidential, Charlotte, NC

Sr Unix/Linux Systems Support Administrator

Responsibilities:-

• UNIX system administration support: Installed/configured/managed/Administrated of all UNIX/LINUX servers, includes the design and selection of relevant hardware to Support the installation/upgrades of Solaris8/9/10(SPARC&X86),Red Hat (4/5/6) and Sues (9/10/11).
• Responsible for the operations, monitoring the health of systems and administration of Production, Development and Test UNIX systems environments.
• Performed daily housekeeping functions, such as establishing new accounts, creating and resetting passwords, developing, scripts, performing system backups and recovery, and installing software patches and updates and working with the apps and DBA team for there requirements.
• Involved in creating logical volumes, backups, managed large hard disk farms and resized disk partitions using Logical Volume Manager (LVM) commands on Red hat Linux, and used VERITAS commands for VERITAS file system
• 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.
• Responsible for Installation, configuration, Maintenance, Deployments, Update Ears, Monitoring, performance tuning, JVM Load/Stress, Testing of Web Sphere Application Server 6.1 on Solaris and Linux.
• Configured and administered Kerberos, SAMBA, SFTP, FTP, DNS, NIS, NIS+, NFS and send mail.
• Experience in Storage multipathing, IPMP (Solaris) and Bonding (Linux)
• Configured Global File System (GFS) with Redhat Cluster Suite and supported Oracle RAC (Real Application Cluster Server)
• Installed/Configured VMware ESX servers, Virtual Center, Virtual center database and performed VMware backup and restore operations.
• Configuration of VERITAS Cluster Server and Redhat Cluster Server from the scratch.
• Worked with SAN/NAS in Confidential Symmetrix DMX 4 configurations and installation/configuration of power path.
• Created and expanded File Systems on demand from DBA's using VERITAS volume manager and also using native UNIX utilities.
• Supporting servers with Sybase, Oracle 10g/11g and MySQL Databases, co-coordinating with DBA’s for Kernel Tuning and performance monitoring.
• Involved in installation of Autosys, scheduling interactive jobs and syncing data.
• Follow corporate standard audits and ensure that the systems are maintained according to all best practices, security policies and compliance requirements using HP server Automation client (HPSA).
• Involved in migration and consolidation of Unix Servers in Production data center activities.
• Ticketing Tool used BMC Remedy PAC2000. Worked on CR (Change Request), WR (Work Requests), PR (Problem Tickets).
• Providing 24*7 on-call support on rotation basis and Handling High priority incidents through bridge calls.
• Work with developers to integrate their web applications onto standard infrastructure.
• Responsible for moving the application through different tiers like development, testing and production on time.
• Procedural documentation of supporting applications as well as SLA and escalation policies to coordinate with the monitoring systems as deployed

Environment: Linux (RHEL 4.x &5.x), SUSE 11/10, Solaris 10/9/8, Oracle RAC 11/10g, VERITAS Cluster Server (VCS), VERITAS Volume Manager (VVM), SUN Servers, SUN Fires, Fuji, HP hardware, CMC, Tivoli Monitoring, WebSphere Application Server 5.x/6.0/6.1, LDOM’S F5 Load balancers, Net Apps, LDAP, Confidential Storage SAN, VMWare servers, Sybase and Oracle Database.

Confidential, Annapolis, MD

Sr System Support Administrator

Responsibilities:

• Installation, Configuration, Up gradation and administration of RedHat Linux, Sun Solaris.
• Installed Open Migrator and Migrated Data from one server to Another
• Moved Data from 3PAR to VMAX using Rsync and Confidential Open Migrator
• Jumpstart &Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SSH, LDAP integration.
• Network traffic control, IPSec, Quos, VLAN, Proxy, Radius integration on Cisco Hardware via Red Hat Linux Software.
• Responsible for configuring and managing Squid server in Linux.
• Configuration and Administration of NIS environment.
• Expertise in RedHat Linux backup/restore with tar including disk partitioning and formatting.
• Worked on Confidential Legato networker for the backup and data recovery
• Involved in Installing and configuring of NFS.
• Package and patch management on Redhat servers and Sun servers.
• Managing Disks/Filesystems using Veritas Volume Manager for Solaris and Logical Volume Manager for RedHat Linux.
• Trouble shooting the system and end user issues.
• Responsible for configuring real time backup of web servers.
• Log file was managed for troubleshooting and probable errors.
• Document solutions for any issues that have not been discovered previously.

Environment: Redhat 4.x,5.x, Solaris 2.6/7, SUN Ultra Enterprise 6000/450, SUN Ultra 10/5/2/1, Windows NT 4.0, RHEL 3.x.

Confidential

Sr.Techinical support Associate

Responsibilities:

• Installing, configuring and upgrading Solaris 8 and HP-UX Servers.
• Installing and partitioning disk drives. Creating, mounting and maintaining file systems to ensure access to system, application and user data.
• Installing, configuring and administering NIS master server and NIS slave server.
• Installing & administering NFS services using automounter.
• Regular disk management like adding/replacing hard drives on existing servers/workstations, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
• Scheduling the daily/weekly/monthly backups.
• Patching up the system to the latest version as per the recommendations.
• Monitor the health of the servers, Operating system, database and the network.
• Data consistency of file system using fsck and other utility.
• Maintenance of Hard disks (Formatting and Setup, Repair from crashes)
• Maintaining appropriate file and system security, monitoring and controlling system access, changing permission, ownership of files and directories, maintaining passwords, assigning special privileges to selected users and controlling file access, monitoring status of process in order to increase the system efficiency, scheduling system related and cron jobs.
• Create and maintain user accounts administering file systems and recognizing file access problems.
• Co-ordinating with the customers vendors for any system up gradation and giving the exact procedure to follow up

Environment: SUN Solaris, Red Hat Linux, HP-UX,Sun Enterprise servers E4500, E3500 and E250 SunFire V480, Sun Ultra Sparc 5/10, Sun Blade servers, Oracle 8i/9i, NFS, BMC patrol and HP OpenView Servers, Intel based Servers, LAN and WAN.

Confidential

Techinical support Associate

Responsibilities:

• Problems & performance issues. Deployed latest patches for Sun, Linux and Application servers.
• Performed Solaris and Red Hat Linux Kernel Tuning for TCP/IP stack.
• 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
• 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 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
• Sun Solaris Jump start Installation and Redhat Linux Kickstart Installation -
• Configuring DNS, DHCP in Sun Solaris 8/9 & other Network Services
• 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)

Environment: Sun Solaris 7/8/9, Redhat Enterprise Linux, Windows 2000/Windows NT, Redhat Linux 5.2 Veritas Storage Solutions 4.0 for Solaris Veritas Cluster Server (VCS), Veritas File System (VxFS, Veritas Volume Manager VxVM), Veritas Netbackup 3.5/4.0, Apache Web Server