Qualification Summary:

• 7 years of IT experience in large-scale enterprise support. Proficient in all aspects of Server computing Infrastructure Management.
• Experience in Installation, configuration, and System Administration with Linux RHEL 6/5/4 , Solaris 10/9/8 , HP-UX 11.x/10.x , AIX 5.x/4.x and Windows /2008/2003/2000/NT administration.
• A diligent, precise and efficient Information Systems Professional with experience in System Administration and Support, maintenance and troubleshooting pursuing challenging IT position.
• Possesses latest required professional certifications for Infrastructure consulting and Microsoft Cisco consulting industry.
• Extensive experience and skills in Redhat Linux, virtualization ,Veritas
• Proven ability to learn and implement new programs quickly and excel in system administration.
• Possess strong communication skills, teamwork abilities and an unmatched work ethics.
• Consistently demonstrate exceptional expertise, foresight, and sound decision-making abilities

Objective:

Computer Skills Knowledge:

• Operating System Red Hat Linux 6/5/4/3 Solaris 10/9/8, HP-UX 11.31, 11.23, 11.11, 11.0, IBM AIX, 5.x/4.3, Windows 2008/2003/2000/NT.
• Hardware SUN SPARC Enterprise- M5000/4000, ST2540 M2, SUNFIRE X4270 M2/X4170 M2 ,M-Series Servers, HP ProLiant DL 380/360 G6, G5, p3440/rp7440/rp 8440 , 9000, Server, SUN StorageTek Tape Auto Loaders SL48/SL24, IBM R6000 /S80 / M80 / H70 / H50 Series server and series, HP/Dell Power Edge series/IBM/Sun Blade Servers, Fire T5240, DL3xx ,DL5xx, DL 4xx
• Network/Naming Services NFS, NIS, NIS , DHCP, Proxy Server, DNS, LDAP.
• App/Web Servers Web Logic 11/10/9, Web Sphere 8.0/7.0/6.0/5.0, Apache 2.x/1.3x, Tomcat.
• Languages UNIX Shell Scripting, Perl Scripting,HTML, Java Script.
• Third Party Software VERITAS Volume Manager VxVM , VERITAS Cluster Service, Red Hat Cluster Suite, HP Service Guard, Sun Cluster, EMC Storage, VMware ESX, RAID Technologies.
• Backup Management VERITASNetBackup 6.x/5.x/4.x, Ufsdump, Ufsrestore, tar, cpio, dd
• RDBMS Oracle 10g/9i/8i, MS SQL Server
• Protocols TCP/IP, UDP, RIP, FTP, SNMP, OSPF, SMTP, TELNET,

Work Experience:

Confidential

Title : Linux administrator

Responsibilities:

• Installation, Configuration Upgrade of Solaris, Linux Red Hat and SuSE , HP-UX, AIX operating system.
• Installation and configured Solaris 10 with Zone configuration
• Experience in configuring Red Hat Cluster Suite, Veritas Cluster Server, and HP Service Guard.
• Installation of patches and other software packages.
• Configuration of NIS, NIS , DNS, NFS, Sendmail, Samba, Apache for multiple environments.
• Installation, Configuration and Administration of Web Sphere and Web Logic Servers
• Monitoring System performance and do kernel tuning to enhance the system Performance.
• Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
• Installation and configuration of Veritas Volume Manager, LVM, Veritas File System and Veritas Cluster Server.
• Creating and maintaining Users, Disk space, LVMs and Process Monitoring in Linux.
• Package management using RPM and errata using UP2DATE in Linux.
• Experience with Volume creation resizing and troubleshoot to the client's development/production environment using Veritas volume Manager.
• Managed Physical and Logical volumes, Volume Groups in Linux.
• Extensive working experience in process scheduling, disk and file system I/O, kernel internals, TCP/IP networking.
• Application Production Support and on call support
• Desktop support provided to end users installation of windows 2003/NT.
• Troubleshooting hardware, software and configuration problems for various protocols and topologies
• Develop, Maintain, update various script for services start, stop, restart, recycle and cron jobs Unix based Korn shell, Bash
• Updated Running the various source codes for migration updating follow-up the release management.
• Creation of users, mounting home folders and respond to general user queries regarding mounting issues.
• Configured NIS Master and Slave servers and NIS clients.
• Analyze, review and alter existing network to increase operational efficiency or adapt to new requirement.
• Co-ordinate with Backup Operator regarding daily backups, monitoring backup servers and perform database, application and system backup in the absence of the backup operators.

Confidential

Title : Linux administrator

Responsibilities

• Managed 1900 servers located in South America using remote tools.
• Experience installation RHEL OS and configured required network on HPC cluster.
• Installation, Configuration Upgrade of Solaris, AIX, HP-UX, Linux Red hat and SuSE operating system.
• Installation, Configuration Trouble Shooting of VXVM under sun Solaris 8, HP-UX
• Managed HPC cluster, performed hardware, BIOS and application upgrade.
• Configured and managed Apache web server and Managed software and hardware RAID systems.
• Managed user accounts and authentication process by NIS service.
• Managed System Firewall utilizing IP Chains, IP Tables. Implemented SSH SSL
• Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.
• Worked on incidents problem and change tickets related to AIX/Unix/Linux server
• Managing adding/removing disks partitions.
• Worked on multiple accounts with Ticket assessment on daily basis.
• Administration and maintenance of WAS ND clusters vertical, horizontal and deployment of applications in highly available, load balanced production environments.
• Developed web service integration layer for Web Sphere Portal. Install and configure Web Sphere Portal on AIX, UNIX and Windows.
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Perform auditing on UNIX/Linux Servers for security compliance and monitoring.
• Department Security Focal Managing all the security related issues like Apars, Cirats, Health
• Worked on security activities QEV, Health Checks, Priv ID revalidation PAR as per ITCS104
• Worked on Server commission and Decommission
• Monitoring the System Performance and tuning the kernel to enhance system performance.
• Worked on Backup issues and resolving as required.
• Job Scheduling and Automating process using CRON AT
• Worked on Citrix environment user management.
• Administration of Tivoli Storage manager 5.1.4 client.
• Performing User ID creation, modification, deletion and maintain server security
• Monitoring system logs and the root's email for important messages such as errors and warnings or hardware fail errors.
• Worked on tickets troubleshoot, administer and performance tune AIX 5.1, Solaris 6,7 and 8, Red Hat Linux 3.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers.
• Configured and administrated LPARs. Installation of patches and other software packages
• Configuration of NIS, NIS , DNS, NFS, Send mail, Samba, Apache for multiple environments.
• Monitoring System performance and do kernel tuning to enhance the system Performance.
• Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.

Confidential

Solaris/Linux/ System Administrator

• Responsible for Solaris / Linux administration with responsibilities including administration of Sun Solaris 8, 9, 10 onSun Enterprise, Fire Servers and Redhat Enterprise Linux 4.x, 5.x on Dell Poweredge servers, Acma, Mazda Servers and Netboot Gentoo Linux, SUSE Linux.
• Installation, configuration, maintenance, Administration, and support on Solaris / Redhat Linux/ SUSE Linux.
• Responsible for maintaining the integrity and security of the enterprise UNIX Linux /Solaris servers and systems.
• Image machines using Jumpstart / Kickstart to install Solaris 10 and Red Hat Enterprise Linux.
• Installation and configuration of Solaris Zones.
• Maintains a disaster recovery plan. Creates backup capabilities adequate for the recovery of data and understands concepts and processes of replication for disaster recovery.
• Maintains DNS, NFS, DHCP, printing, mail, web, and FTP services for the enterprise.
• Manages UNIX account maintenance including additions, changes, and removals.
• User administration for all the NIS users.
• Supporting NetApp filers by closely working with the NetApp storage team.
• Name Service design, best-practices, configuration maintenance NIS, LDAP, DNS
• Installation, configuration and management of SAMP Solaris/Apache/MySQL/PHP and LAMP LINUX/Apache/MySQL/PHP stacks.
• Provide off shift on call support for system support. Make system hardware and software recommendations as required.
• Configure and Manage Sun / Dell and HP hardware.
• Installation configuration and management of VeritasNetbackup VXVM, VCS, ZFS, LVM, Virtualization Xen, SolarisZones/Containers, LDOMS, Oracle VM .
• Working knowledge on Sun Directory ldap , Solaris Volume Manager, Jumpstart/Wanboot, Kickstart, iscdhcp, Sendmail, Apache, NIS, NFS, Subversion/CVS, Compiling and Package creation.
• Assist application owner in application troubleshooting, software package installation creation.
• Perform backup / restore and monitorNetbackup HP Data Protector backup tools.
• Perform Tape handling for all the filled tapes coming out of the MSL Tape libraries.
• Configuration, administration and management of external storage SAN/NAS .
• Writing shell Perl scripts to automate redundant jobs.
• Installation and configuration of HA environment using Sun or Veritas Cluster.
• Setup NIC bonding for servers with critical information.
• Recommends and implements security policies and standards and ensures adherence to procedures.
• Provided 24x7 on call and remote support for UNIX Production Problems and responding to user's tickets from HP-OVSC.

Environment: Solaris 8/9/10, Redhat Linux 4/5/5.2/5.4/5.6, Netboot Gentoo, SUSE, Sun Enterprise Servers, SUN FIRE 6800/E6500/E4500, Sun Sparc1000, Dell Poweredge, Acma, Mazda with Storage Array, IBM RS/6000, Disk Suite, Veritas Volume Manager 3.x/4.x, LDAP, DNS, NIS, NIS , NFS, SNMP, Cisco Routers/Switches, Shell scripting Korn, Bourne, Perl , Oracle, SENDMAIL, Apache, Tomcat ,WebSphere, Sun and Veritas Clusters, SAMP and LAMP stack.

Confidential

UNIX / Linux / Storage System Administrator

• Member of Storage Administration team, responsible for installations, configurations, troubleshooting of Solaris and Redhat/Suse Linux Operating Systems on Sun, Dell and HPhardware.Worked extensively on NetApp Storage Filersinstalling, configuring and pushing the filers into production. Day to day tasks involved trouble shooting systems, storage and user issues in a priority based ticketing process.
• Installation, configuration, maintenance, Administration, and support of Solaris/Redhat/SUSE on Dell and HP hardware.
• Kickstart/Jumpstart multiple servers with hands-off installation using Synopsys standard images.
• Troubleshooting issues related to DNS, NIS, NFS, DHCP, Sendmailon Linux and Solaris Operating Systems.
• Working knowledge on the TCP/IP protocols RSH, SSH, RCP, SCP.
• Worked extensively on Corp-Unix, Data Center, Storage and INTEL Frontline queue's almost every day in one of those and these Frontline Queues have enough challenges ranging from customer tasks, user requests to trouble shooting system issues within a timeframe.
• Worked in building of the new ESSM Storage Team SharePoint site right from the scratch and I have worked in the design, organization and documentation part of the site.
• Installing the Clustered Filers and Single head filers right from labeling the filer to installing, configuring and pushing the filer into production.
• Assisted on the Storage Partition Allocations, Modifications to the existing partitions, volumes, and aggregates on the filers according to the requests from the Business unit storage mangers
• Working Knowledge on NDMP, RSYNC data transfer applications.
• Involved in the storage Inventory collection, fixing the storage related partition issues which helped in FY13 planning tasks.
• Acquired good knowledge on Storage Monitoring tools GSR, FSMON and MOTD.
• Dealt efficiently in Data loss scenarios, presenting a plan and different options to the customer and recovering data from their backups and configuring their partitions by adding the security to the data in avoiding the data deletions.
• Played a critical role during the downtime owning the tasks related to ONTAPUpgrade, Bios Upgrade and RE-IP of the filers.
• Acquired good working knowledge on Retirement of the NetApp filers and replacing the NetApp Faulty Filer Drives.
• Working on partition backups/ snapshots related tasks.
• Maintenance of Magma tape backups and troubleshooting magma system issues.
• Extensively used RCS Protocols in checking out and checking in the code changes to the RCS revisions.
• Monitoring of Network and Systems using NAGIOS.
• Administration of Network and Serial Consoles using Cisco Hardware switches and routers.
• Perl and Shell scripting in bash to automate the repetitive administrative tasks.
• Documenting processes and troubleshooting scenarios on runbooks.
• Provided 24x7 on call and remote support for production issues and responding to user's tickets

Confidential

Title : Trainee Executive

Responsibilities:

Joined Sunnet Systems as a Computer Hardware faculty experienced teaching hardware and Networking Win2000 /Red Hat Linux . Within a short span got promoted to Training Executive for Microsoft, Cisco and Red hat Linux Certification Training Program Besides, I was fully involved in network management including operating system planning, hardware/software installations and upgrades, and technical support to clients. I was preparing Course curriculum for certification courses. , Supporting technical team and in house systems and network administration.