Profile:

• Detailed and results oriented IT professional with over 7 years of experience in UNIX/Linux systems and applications support, administration, analysis and troubleshooting. Responsible, determined quick learner with good verbal written communication skills. Able to work independently to research and aggressively solve complex systems problems. Excel in working in a team environment.
• Over 7 years of strong IT experience as a System Administration in Sun Solaris, Linux Red hat Enterprise Linux, OEL, SUSE, Ubuntu, CentOS , HP-UX, Web logic and Windows NT/XP/2003/2008 Operating System with extensive implementation troubleshooting experience under Client, Server Systems.
• Extensive experience in Installing, trouble shooting, upgrading and configuring SUN Solaris 2.x,7,8, 9, 10 11on Sun/Oracle Servers and Red hat 4/5/6, HP-UX 10.x,11.x, SUSE 10/11/12 Operating Systems, Mail Server/ Proxy Server .
• Proficient working with NAS, SAN and DAS storage architectures also have experience migrating storage from other storage architectures on to SAN.
• Configuring and Administering NFS, DNS, NIS, DHCP, NIS and LDAP on Sun Solaris and on Linux server environment.
• Efficiency in installing, configuring and implementing the RAID levels 0, 1,5,01,10 Technologies using various tools like Veritas volume manager, Solaris volume manager and Linux volume manager.
• Installing and configuration of Red hat Enterprise Linux RHEL SUSE on HP Blades and Dell Blade Servers.
• Creating and Managing user accounts, system security, performance tuning, change management, Documents and procedures on Linux.
• Experience installing, trouble-shooting and performance tuning of various Application Servers/Clients like Webspere, Web Logic, Tomcat, Apache, JBoss, Oracle, DB2 iPlanet Messaging Server.
• Experience in Installing and configuring the Red Hat Satellite Server and experience in automation using Puppet and Shell Scripting.
• Ability to write debug Shell Scripts using ksh bash, Hands-on solving of day-to-day operational issues, Resolution of technical issues on system integration and support Software package and patch installations.
• Exposure on Web logic, web sphere, Oracle, , Data Warehouse and Sun Java Enterprise system Sun JES , MySQL.
• Expertise in Veritas Volume manager VxVM , Creating new file systems, mounting file systems and UN mounting file systems.
• Installing, configuring Solaris volume manager Solstice disk suite 4.2.1 Veritas Volume Manager. Installed Configured HBA PCI/PCI-X in SAN storage. Configured Installed ALOM Advanced Lights Out Manager Load Balancer.
• Virtualization administration and configuration VMWare , VMWare ESX ,Xen .
• Created HTML forms and used PERL as CGI scripting language for online querying and reporting.
• Strong experience in setup, deployment and configuration of RHEL based servers in an enterprise environment.
• Experience in setup and Maintenance of MYSQL and configuration or replication across multiple machines.
• Experience in Load Balance Linux systems by Linux Virtual Server LVS for High Performance and High Available of Linux clustering Technology.
• Organize the RHN Satellite Servers in combination with RHN Proxy Server.
• Installation Configuration and Administration of VCS, File System using VERITAS Volume Manager 3.x/4.x/5.x and Solstice Disk Suite 4.2, Disk arrays and quotas.
• Installation of web logic, upgrade to service packs updates, installed. BEA patches, configuring and creation new domain, start and stop web logic server.
• Excellent knowledge of Client/Server architecture, OSI layers, TCP/IP networks.
• Experience working on EMC SAN Migration and EMC Frame Migration.
• Good understanding of Network Topology LAN/WAN/Subnets/VPN/Firewalls .

TECHINICAL SKILLS:

PROFESSIONAL EXPERIENCE:

Confidential

Sr Linux System Administrator

Responsibilities:

• Installation Red hat Linux Enterprise Server 5/6 on Dell and HP x86 HW.
• Installed and configured Solaris 10/11 on Sun T and M Series servers Mirrored root disks on all the servers by using ZFS VxVm.
• Providing 24 x 7 supports to various application level server level network level Monitoring and troubleshooting of any datacenter outages. Day to-day administration on Sun Solaris which includes Installation, upgrade and loading patches.
• Installation of Web logic, upgraded to service pack updates, installed BEA patches, configuring and creation new domain services starting stopping.
• Installation of Oracle on Linux and Solaris, creating database, creating Oracle users etc.
• Veritas Netback up installation, Catalogue backup and maintenance Backup/restore on ADIC Intelligent Storage Scalar i2000k Library Management Console using server Windows NT/2000 Sun Solaris server and checking the job failures.
• Planning and implementing Backup and Restore procedures using Ufsdump,Ufsrestore, Tar and Cpio .
• Installed, managed Verities Volume Manager 5 VxVM on Solaris 10. Created Veritas File Systems.
• Production support of Apache and JBoss including installation, configuration, management and troubleshooting.
• Documented Apache Web Server Development, Staging Production environments, installed configured and managed Solaris 10 Zones on Sun Enterprise systems, Administered, maintained Red Hat 5/6 Troubleshooting Hardware, Operating System Application Network problems and performance issues Deployed latest patches for Sun, Linux and Application servers, Performed Solaris and Red Hat Linux Kernel Tuning for TCP stack.
• Installation and monitoring of Veritas Volume Manager, Veritas NetBackup and Veritas Cluster Server on SAN Environment.
• Involved in installing Puppet client on Redhat Solaris servers for Automation purpose.
• Established new user accounts and password. Added and configured hardware devices like hard disks, network interfaces.
• Monitoring day-to-day administration and maintenance operations of the company network and systems working on Linux and Solaris Systems.
• Installed and maintain RHEL and SuSE provisioning servers for efficient builds per best practices
• Installed and configured the Red Hat Linux 5.1 on HP-Dl585 servers using Kick Start.
• 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.
• Installed and configured the RPM packages using the YUM Software manager.
• Configured root disk for its clustered file system on RED HAT LINUX5.X.
• Configured logical volumes using logical volume manager LVM and also configured mirroring.
• Installation of Web logic Application server, 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 rollback segment etc.
• Production support of Apache, PHP, My SQL, Tomcat including installation, configuration, management and troubleshooting.
• Merged the generated reports as per request. Formatted data into required format using UNIX Shell Scripts, SED and Awk.
• Defining and Develop plan for Change, Problem Incident management Process based on ITIL.
• Networking communication skills and protocols such as TCP/IP, Telnet, FTP, NDM, SSH, rlogin.
• Installed HBA cards and upgraded Firmware in VMware ESX and RHEL. Created large volumes using LVM from the EMC LUN's. Resized the volumes online in RHEL AS 4.0..
• Written shell scripts and Perl scripting to take backup oracle database.
• Security auditing using Korn programming. Shell Programming for day to day system administration.
• Kick start the Red Hat Linux RHEL 6 on HP Power edge servers and Cisco UCS servers.
• Deploying Veritas Clusters and Oracle 8i test databases to implement disaster recovery strategies, ensuring uninterrupted availability of the global systems.
• Configured Logical storage Manager LSM for root disk encapsulation and implemented root disk mirroring for fault tolerance.
• Ability to effectively communicate across vendors with different departments and provide resolutions to all levels in the organization, both verbally and in written documentation through on 24 7 on call Support.

ENVIRONMENT: REDHAT LINUX 4.x,5.x,6.x, SUN fire T2000, T4k, M 5000, and Veritas volume manager5.x , Veritas Net backup 6.5, Web logic 10.x.,Oracle 10G/ 11i/RAC, HP 9000 Superdome SX1000 , Volume Manager, VMWare ESX SERVER,, Shell scripting, SAN/Mc Data Switches , Brocade Switches, RED hat satellite server

Confidential

Unix/Linux Administrator

Responsibilities:

Installation, Configuration Upgrade of Solaris and Linux operating system.

• Installation and Administration of Red Hat Enterprise Linux 3, 4, 5 SLSE10 using Kick start including performance monitoring, scaling and capacity planning and hardware maintenance of Sun fire servers.
• Problems performance issues deployed latest patches for Sun, Linux and Application servers, Performed Solaris and Red Hat Linux Kernel Tuning for TCP stack.
• Installation and configuration of Red hat Linux 8, 9.0, Suse on Dell, Proliant, Enterprise Server 4.0 .
• Systems monitoring and administration of Servers for day-to-day problems, patches, user administration, hardware failure, monitoring log files, backup, software up gradation, configuration changes and documentation in Red Hat Enterprise Linux 4.0 and 5.0.
• Installation and administration of TCP/IP, NFS, DNS, NTP, Auto mounts, Send mail and print servers as per the client's requirement.
• Configuration of Naming Services like DNS, DHCP, NIS, LDAP Novell eDirectory. Implementing Master and Slave servers for NIS, DNS.
• Co-ordinate with web admin team in installation of BEA Web Logic Server 8.1.
• Experience with EMC storage devices ClariionFC4700/CXx and Symmetrix DMX .
• Experienced with HP storage Works SAN Switches 2/16v Brocade silkworm .
• Installation of web sphere, upgraded to service pack updates, installed IBM patches, configuring and creation new admin managed servers, start stop Web sphere server.
• Linux kernel, memory upgrades and swaps area. Red hat Linux Kick starts Installation Sun Solaris Jump start Installation. Configuring DNS, IDNS, DHCP, NIS, NFS in Sun Solaris 8/9 other Network services.
• Installation and configuration of Veritas Storage Foundation Suite, Volume Manager, Cluster Servers Veritas File systems Vxfs .
• Written shell scripts and Perl scripting to take backup oracle database.
• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Installation and configuration of Oracle 8/9i database on Sun Solaris Servers.
• Integration of Linux/Solaris with Active Directory LDAP .

ENVIRONMENT: Red Hat Linux 8,9.0,Suse, Sun Solaris 8/9, HP-UX 11.0,11i, HP DL-320/360/380/560/580L servers,EMC storage devices , Tivoli Storage Manager 5.x ,web sphere, Oracle 8/9i/RAC, Apache 2.x/3.x.

Confidential

Linux/Solaris Systems Administrator

Responsibilities:

Installation, Configuration Upgrade of Solaris and Linux operating system.

• Installed configured Sun Fire 210, V240, V440, V490, V880, 1280 HP ProliantDL-320/360/380/560/580 L Servers.
• Problems performance issues deployed latest patches for Sun, Linux and Application servers, Performed Solaris and Red Hat Linux Kernel Tuning for TCP stack.
• Installation Red hat Linux 8, 9.0 on Dell, Proliant, Enterprise Server 4.0 .
• Installation and administration of TCP/IP, NFS, DNS, NTP, Auto mounts, Send mail and print servers as per the client's requirement.
• Installed, managed Verities Volume Manager 3.5 VxVM on Solaris 9.
• Experience with EMC storage devices ClariionFC4700/CXx and Symmetrix DMX .
• Experienced with HP storage Works SAN Switches 2/16v Brocade silkworm .
• Network trouble shooting using 'ndd', 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
• Installation of Web sphere, upgraded to service pack updates, installed IBM patches, configuring and creation new admin managed servers, start stop Web sphere server .
• Created Role Based Access Control RBAC for users.
• Linux kernel, memory upgrades 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.
• Installation and configuration of Veritas Storage Foundation Suite, Volume Manager, Cluster Servers Veritas File systems Vxfs .
• Written shell scripts and Perl scripting to take backup oracle database.
• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Installation and configuration of Oracle 8/9i database on Sun Solaris Servers.
• Integration of Linux/Solaris with Active Directory LDAP .

ENVIRONMENT: Sun Solaris 8/9, Red Hat Linux 8,9.0, Samba, Sun fire 210,V240,V440,V490,V880,1280 Servers, HP DL-320/360/380/560/580L servers,EMC storage devices , Tivoli Storage Manager 5.x ,web sphere, Oracle 8/9i/RAC, Apache 2.x/3.x.

Confidential

Unix/Linux System Administrator

Responsibilities:

• Installation, configuration, maintenance and support of Red Hat Linux 4.0, 5.0 and Solaris 7/8/9.
• Installing and configuring of Samba for heterogeneous platform.
• Installation, configuration and maintenance of local and Network based Printers.
• Worked with Global NOC Network Operations Center with a team of 20 with key emphasis on optimal systems performance and maximum uptime of 24x7 operations.
• Monitoring troubleshooting of any datacenter outages. Day to-day administration on Sun Solaris which includes Installation, upgrade loading patches packages.
• Responsible for Trouble shoot various systems problems such as core dump analysis, network problems and hardware related problems.
• Worked with Netstat, Prstat, Iostat monitoring commands.
• Implemented the file sharing on the network by configuring NFS on the system to share essential resources.
• Support Production Systems, which involved day-to-day operation and Desktop support Local and Remote .
• 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.
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Disk and File system management through Solstice Disk Suite on Solaris and other logical volume manager for other flavor of UNIX.

ENVIRONMENT: Sun Solaris7/8/9, Red Hat Linux 4.0, 5.0, Jumpstart, LDAP, Sun Java Directory server 5.2, Sun Fire X4100, X4200, X4440 and X4500, Sun Fire 2900, 4900, 6900, Sun Enterprise Server T5140, T1000 and T2000 and M4000, M8000, Clarify , Remedy Ticketing Systems, Solstice Disk Suite, Oracle 7.x/8.x.