SUMMARY

• Unix/Linux System Administrator with 9 years experience in System Administration and Server builds on Red Hat Linux, HP-UX and SUN Solaris. It includes Installing, Upgrading, Patching, Configuring and Performance tuning on UNIX/Linux system software and hardware.
• Administration tasks on Red Hat Linux/SuSE Linux, HP-UX and SUN Solaris and prepared documentation for the projects executed.
• Experienced in Using jump start to automate Solaris OS installation and Upgrading Solaris 8, 9 systems to Solaris 10 systems and used Kickstart to install Linux servers and upgraded Red Hat 4.x to Red Hat 5.x.
• Installed, monitored and supported Weblogic, Apache, Tomcat, WebSphere and JBoss web Application Servers on Solaris and Linux environments.
• Experienced in creating new file systems, disk groups, volumes, volume groups, migrating from old disk to new disk online and administrating disk space using Veritas Volume Manager VxVM .
• Installation and configuration of Veritas Volume Manager, SVM, LVM, Veritas File System VxFS and Veritas Cluster Server VCS , Sun Cluster, HP Service Guard and Red Hat Cluster Server.
• Experience in using VERITAS Netbackup, Proficient in System Backup and Recovery from tapes using flavor specific backups fbackup, frestore, dump, restore, tar and cpio.
• Experienced in working with Storage Area Network SAN , NetApp, EMC CLARiiON CX, EMC Symmetrix DMX, EMC MirrorView, HP storage and Hitachi data storage.
• Experience in configuring Global File System GFS and Zeta Byte File System ZFS .
• Experienced in Performance tuning to enhance system performance and resolve blocking issues.
• Proficiency in VMware and KVM. Installation and monitoring virtual environments with ESX 3.x servers and virtual center 2.x.
• Experienced in configuring Zones, Containers and Service Management Facilities SMF .
• Proficient in Networking, configuring TCP/IP, DNS, NFS, NIS, NIS , SAMBA, LDAP, SSH, SSL, SFTP, SMTP, SNMP.
• Experienced in working with shell and Perl scripting ksh, bash to automate administration tasks.
• Worked with DBAs on installation of Oracle database with ASM, restoration and log generation.
• Good working knowledge of network and UNIX security procedures.
• Performed installation and administration of Patrol, Nagios and Solarwinds system monitoring tools.
• Excellent communication and strong interpersonal skills with ability to interact with end-users, managers, technical personnel and vendors.
• Provided production support in an on-call rotation in a 24x7 environment.

TECHNICAL SKILLS

PROFESSIONAL EXPERIENCE

Confidential

UNIX/Linux Systems Administrator

Responsibilities:

• Perform Unix Administration tasks on HP-UX 11.31/11.23 and Red Hat Linux 6/5.x servers in both production and development environments.
• Build and configure the HP-UX 11.31 and Red Hat Linux 5.x operating system for Oracle database, Standby database and application.
• Addressed the memory bottlenecks and performed the memory upgrades on BL860c and BL860c i2 blades.
• Building servers include create and manage users, configure file systems, install new patches and third party tools.
• Performed HP C9000 Chassis Fiber Channel pass-thru module firmware upgrade from 2.4.3 to 2.10.3. to address the disk bottlenecks.
• Provide support to Comfil, Viaware, MfgPro Applications and Oracle databases running on HPUX 11.31/11.23 Operating System.
• Conduct server's performance tuning, optimization and monitoring using SolarWinds tool on HP-UX and Linux operating systems.
• Cloned the HPUX servers by using ignite backup to build stand by servers and perform ignite backup by running make net recovery script.
• Upgraded the firmware on BL860c and BL860c i2 blades using HP Smart Update Manager. SUM
• Configured the iLO HP BL860c, rx6600, rx2660 blades running Redhat Linux, HPUX and Windows operating systems.
• Worked on free IPA to centralize the user logins on Redhat 5.8.
• Worked on Redhat satellite server to perform patch administration. Also updated patches using yum on Redhat 5.8 systems to support Oracle EBS ERP project.
• Clone the Redhat Linux servers by using templates in VMWare.
• Installation, configuration and administering of Oracle RAC setup on Redhat Linux for oracle EBS project.
• Developed script to cancel the print requests in case of printer hung/down.
• Worked closely with DBAs to support and perform daily activities including increasing file systems, creating RAW devices to support ASM.
• Support and troubleshoot the infrastructure of HP C7000 blade chassis, rx2660s, rx2800 i2s,rx6600s itanium blades and HP 9000/800/rp3440 PARISC systems running Oracle Database and Comfil, Viaware, Oracle financials and Mfgpro enterprise applications.
• Upgraded systems from fedora to Redhat Linux 5.8 by doing physical to virtual migration. Performed the decommissioning of old hardware running fedora.
• Developed systems for Disaster Recovery and conducted Disaster Recovery test for Comfil, viaware and MFG Pro applications.
• Worked with Vendors to solve critical issues in production environment.
• Developed script to monitor file system full alerts, implemented Splunk to monitor syslog alerts.
• Installed net-SNMP and configured to send alerts to solarwinds monitoring tool.
• Worked on Marvel ticketing tool to address daily issues and support the customers.
• Installed Sudo software and configured sudo to users to run particular super user commands.
• Provided 24x7 on-call support for tier-1 production servers running Redhat Linux 5.8 and HPUX 11.31/11.23.
• Documented daily monitoring procedure to keep the business running.

Environment: HP-UX 11.31/11.23, Red Hat Linux 5.x HP Superdome 2 VPARs, C7000 Blade systems, x6600s, x2660s,x8640s, HP VM hosts and HP VM clients and HP Proliant DL385/585 G5, G6 servers

Confidential

UNIX/Linux Systems Administrator Responsibilities:

• Perform Unix Administration tasks on HP-UX 11.31, Solaris 10/9 and Red Hat Linux 5.x servers in both production and development environments.
• Build and configure the HP-UX 11.31, Solaris 10/9 and Red Hat Linux 5.x Operating System for Abbott Symphony, HRT and other major projects.
• Installed and configured VERITAS Volume Manager VxVM , Veritas Cluster Server VCS and Sun clusters. Disk and file system management through Veritas Volume Manager, Solaris Volume Manager, Solstice Disk Suite on Solaris and using Logical Volume Manager for other flavors of UNIX.
• Installed, monitored and supported JBoss web Application Servers on Solaris and Linux environments.
• Building servers include create and manage users, configure file systems, install new patches and third party tools.
• Data migrations for Hitachi storage with host based open replicator/migrate on HPUX and Solaris.
• Provide support to SAP ECC, SRM and BW Applications and Oracle databases running on HPUX 11.31 Operating System
• Conduct server's performance tuning, optimization and monitoring using patrol tool on HP-UX and Solaris operating systems.
• Installation, configuration and administering of MC Service guard setup on HPUX using ignite.
• Support and troubleshoot the infrastructure of HP Superdome 2 VPAR's and NPAR's, HP Virtual Machines vmhost and vmguest , C7000 blade systems and x8640s running Enterprise SAP applications.
• Perform SAP instance migrations between the servers and refreshing to new hardware.
• Develop systems for Disaster Recovery and conduct Disaster Recovery test if required.
• Train team members in submitting build sheets and building new servers for SAP application.
• Develop manuals for end user's daily usage purpose and documents the standards procedures for design.

Environment: Solaris 10/9, HP-UX 11.31, Red Hat Linux 5.x HP Superdome 2 VPARs, C7000 Blade systems, X8640s, HP VM hosts and HP VM clients and HP Proliant DL385/585 G5, G6 servers

Confidential

UNIX/Linux Systems Administrator

Responsibilities:

• Installation, Configuration and upgraded of Solaris 10/9, Red hat Linux 5.x and HP-UX 11.21/11.31.
• Worked on configurations and installations Solaris, HP-UX and Linux servers using Custom Jumpstart, Ignite and Kick start
• Installed and configured VERITAS Volume Manager VxVM , Veritas Cluster Server VCS and Sun clusters. Disk and file system management through Veritas Volume Manager, Solaris Volume Manager, Solstice Disk Suite on Solaris and using Logical Volume Manager on Linux.
• Performed package and patch administration in Solaris, Linux and HP-UX servers
• Configuration of NIS, NFS and send mail on Linux operating system.
• Installing and updating packages using YUM on Linux operating system.
• Configured NFS, NAS, Apache services and Samba in Linux Servers.
• Disk and File system management through Solstice Disk Suite on Solaris.
• Implementing disk quotas, security standards on Linux servers.
• Worked on User administration adding them on netgroups and authentication with LDAP.
• Having rotational on call giving 24x7 support and responsible for setting up on calls for rest of the team.
• Worked with monitoring tool Splunk, which uses SNMP as an agent for monitoring.
• Responsible for day-to-day System Administration for Sun Solaris, and Linux servers. Creating User accounts, Mail account, groups, printer etc
• Storage set ups, RAID, system backup design and disaster recovery and Systems performance monitoring.
• Repairing the corrupted file system using FSCK.
• Tuning of the TCP/IP stack for troubleshooting application and Operating System issues.
• Created Logical Volumes LVM for Linux operating system.
• Worked with tools like HPSA HP Server Automation , and HP SIM used for finding of hardware error.
• Worked on VMware Vsphere client 4.1.
• Performed Disaster Recovery exercise twice a year to make sure the business continuity.
• Experience in adding and configuring devices like hard disks and backup devices etc.
• Implemented IP Multi Path IPMP on Sun Solaris 10 servers.
• Used VMware for testing various applications on Linux operating system.
• Implemented SUDO, Secure Shell SSH and other security tools and implemented SOX and HIPPA security compliances.
• Installing operating systems, patches, hardware, third party vendor software packages and performing system customization to support various applications.
• Monitoring system resources, logs, disk usage, scheduling backups and restore.
• Interaction with vendors for hardware and software supports.

Environment: Solaris 10/9, HP-UX 11.31, Red hat Linux 5.x, Sun Fire V880/ 445/ 480/ 490/ 240/ x4500/ x4270/ x4170M2/ 4600 Server, Sun Enterprise E-series servers, Sun SPARC Enterprise 1000, M4000/5000, HP 9000 K, L, N class servers. HP Proliant DL385/585 G5, G6 servers, and HP BL 465C G5 blade centers

Confidential

Unix/Linux Systems Engineer Jun 2011 - Oct 2011

Responsibilities

• Installation, administration, configuration of RHEL 5.x, Solaris 10/9 on HP and IBM blade and standalone servers using kickstart and jumpstart server.
• Installed, configured, administered Sun machines through jumpstart installation on Sun Fire and Enterprise servers. Installed, configured Zones, LDOMs in Sun Solaris 10.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
• Installed, configured, upgraded Veritas NetBackup 6.5 client and used for taking backup and restoring files on Linux and Solaris servers.
• Configuring multipath, adding SAN and creating physical volumes, volume groups and logical volumes.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
• Involved in Server sizing and identifying, recommending optimal server hardware based on User requirements.
• Installation and configuration of Veritas Storage Foundation Suite, Veritas Volume Manager 5.0, Veritas File System, Veritas Cluster Server 5.0 and Sun cluster 2.3.
• Installed the Solaris and Linux Operating Systems on Blades over the network.
• Set up Sun servers for SAN-through-FCP boot as against booting from internal hard disks.
• Created File systems from local storage as well as NFS partitions for application portability
• Created Zetabyte file system ZFS in Solaris 10. Created zpools. Exported ZFS from local zones to global zones.
• Installed Sun Management Centre SMC 4.0 on servers to monitor the hardware and software errors.
• Worked on setting up fault alarms for NSN NetAct 6.0/5.3 and Ericsson OSS's.
• Set up servers to support Alcatel-Lucent SAM environment.
• Installed and verified that all Linux and Solaris patches and updates are applied to the servers.
• RPM and YUM package installations, patch and other server management using RHN Satellite server and HP Opsware.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning and testing.
• Installed, configured, and maintained WebLogic 10.x, Oracle RAC 11g2, Oracle 10g on Solaris Redhat Linux.
• Installing, configuring Apache 2.x and supporting them on Linux production servers.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers and NMAP.
• Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.
• Designing Firewall rules for new servers to enable communication with application and Oracle 11g/10g database servers.
• Monitored servers and applications performance and tuning via various stat commands vmstat, nfsstat, iostat etc and tuned I/O, memory, etc.
• Coordinated with the Storage, Network and Hardware teams on server provisions HP Proliant DL385/585 G5, G6 servers, and HP BL 465C G5 blade centers .
• Experienced in Troubleshooting critical hardware and software issues and other day-to-day user trouble tickets.

Environment: Red Hat Linux 5.x, Sun Solaris 10/9, Sun Fire V880/ 890/ 480/ 490/ 240/ x4500/ x4270/ x4170M2/ 3800 Server, Sun Enterprise T-series servers, Sun SPARC Enterprise 1000, M4000/5000, HP 9000 K, L, N class servers. HP Proliant DL385/585 G5, G6 servers, and HP BL 465C G5 blade centers

Confidential

Unix/Linux Systems Administrator

Responsibilities:

• Administration of Red Hat Linux 5.x/4.x which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts, Xen servers. Also worked on KVM virtualization technique on Linux.
• Installing Red hat Linux using kickstart and applying security polices for hardening the server based on the company policies.
• Installed, manually configured Sun machines through jumpstart installation on Sun Fire and Enterprise servers. Installed, configured Zones, LDOMs in Sun Solaris 10. Set up hot spares for the ZFS storage.
• 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.
• Wrote various shell scripts to probe network backbone equipment and provide vital statistics about the availability and responsiveness of the network.
• Tech and non-tech refresh of Linux servers which includes new hardware, OS upgrade, application installation and testing.
• Installed, configured, and maintained WebLogic 10.x, JBoss 5.x and Oracle 10g on Solaris and Red hat Linux.
• Set up users and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Configuring multipath, adding SAN and creating physical volumes, volume groups and logical volumes.
• Gathering requirements from customers and business partners and design, implement and provide solutions in building the environment.
• Installing and configuring Apache and supporting them on Linux production servers.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers, NMAP.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage.
• Installed and verified that all HP-UX and Linux patches and verified updates are applied to the servers.
• Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Monitored server and application performance tuning via various stat commands vmstat, nfsstat, iostat etc and tuned I/O, memory, etc.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Installation and configuration of VxVM 5.0 and creating disk groups, volumes, increasing volumes.
• Coordinated with the Storage, Network and Hardware teams on server provisions HP Proliant DL385/585 G5, G6 servers, and HP BL 465C G5 blade centers .
• Experienced in Troubleshooting critical hardware and software issues and other day-to-day user trouble tickets.
• Developed automated processes that run daily to check disk usage and perform clean up of file systems on Unix environments using shell scripting and by setting up cron jobs.
• Worked on HP Server Automation System to Load base OS and to install software and to run the scripts on Linux, Solaris and HP-UX servers.
• Installed and Configured Veritas NetBackup client and used for taking backup and restoring files on Linux and Solaris servers.
• Executing change requests to the firewall rule base and network routing tables.

Environment: Red Hat Linux 5.x/4.x, Solaris 10/9, HP-UX 11.x/10.x, SuSE10/11, AIX 5.2, HP Proliant DL380 G6/G5/G4 Sun Fire V880/890/480/490/240/x4500/x4270/3800 Server, Sun Enterprise T-series servers, Sun SPARC Enterprise 1000, M4000/5000, HP 9000 K,L,N class servers, Blade Server HP-IBM , HP Superdome, IBM RS/6000/P-series, Dell PowerEdge D240, HP rp3440/7420/4440/5405, HP Rx8600 series, Veritas Net Backup 6.x,Veritas Volume Manager 5.x.

Confidential

Unix/Linux Systems Administrator

Responsibilities:

• Involved in Installation and configuration of Veritas Volume Manager, LVM, Veritas File System and Veritas Cluster Server.
• Involved in Creating Shell Scripts for automation of Startup and Shutdown Processes and Perl scripts for rectifying web page errors.
• Setting up FTP, NFS and NIS servers for file sharing.
• Worked with SAN, NetApp, EMC CLARiiON CX disks, EMC MirrorView, Hitachi data storage and their configuration and installation of Power path.
• Involved in Migrating data from old disk to new disk online using LVM
• Involved in supporting and configuring applications on Oracle and MySQL databases.
• Performed Solaris boot disk mirroring using SVM and VxVM.
• Involved in supporting and troubleshooting the issues related to Production Environment.
• Involved in upgrading production and staging servers from Sun Solaris 8/9 to Sun Solaris 10.
• Managed the company Infrastructure which had Solaris, HP-UX and Linux servers.
• Setting up kick start server and writing scripts to install Red hat Linux for development, QA and production environments.
• Created servers for data recovery and test environment using Solaris 10 zones and Containers.
• Administered Veritas Cluster Server, Sun cluster, Apache web server and Volume Manager.
• Installing and configuring Web Sphere application server on Linux 5.x.
• Performing daily administration of Solaris 8/9/10, Red Hat Linux ES/AS 4/5, HP-UX 11i, which includes installation, testing, tuning, upgrading, loading patches and troubleshooting server issues.
• Created disk groups, volumes, volume groups and RAIDs using Veritas Volume Manager.
• Installation and administration of Oracle 9i/10g/11g on Red hat Linux 5/4 and Solaris.
• Experience in VMWare ESXi virtualization and Installing and configuring the vSphere 5.x client.
• Installed and configured Veritas Volume Manager to improve levels of centralization, control and protect data loss.

Environment: Sun Solaris 10/9, Red Hat Linux 5.3/4.2, SUSE 10.2, Oracle 9/10g, MySQL, Veritas Storage foundation 5.0 Volume Manager 5.0 VXfs 5.0 , Veritas Netbackup 5.1, Weblogic Application Server, Apache, Tomcat, LAN/WAN, Firewalls, TCP/IP, SMTP, SSH, SNMP, Shell Scripts, Perl and C.

Confidential

Unix/Linux Systems Administrator

Responsibilities:

• Installed and configured hardware and OS on Solaris 10/9/8 and Red hat Linux 4.x/5.x servers.
• Responsible for server migrations from closing data center including forklift and technical refresh.
• Experienced in configuring and deploying of jumpstart and kickstart servers across various data centers
• Configured a two-node clustered master/slave server using Veritas Cluster to support existing Netbackup environment.
• Installed patches and software packages as needed. Created disk groups, volume groups and volumes using Veritas Volume Manager.
• Worked on Solaris10 container technology, created Global and Non global Zones, modified Global zone parameters, created file systems on Global and Non global zones.
• Created and Managed Zetta byte file system ZFS in Solaris 10. Created zpools. Exported ZFS from local zones to global zones
• Performed disk mirroring and implemented RAID using Veritas Volume Manager and Solaris Volume manager.
• Installing and configuring Apache and Tomcat server.
• Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.

Environment: SUN Solaris 10/9/8, Red Hat Linux 5.x/4.x, Sun SPARC E250, E10K, E4500, Sun fire V880/440, HP-UX, SUN Enterprise Server 6500/5500/4500/450, SPARK Server 1000, HP 9000, VERITAS Volume Manager 5.0, VERITAS Net backup 6.5, VERITAS Cluster Server 5.0, Sun cluster and Solaris Volume Manager.

Confidential

Unix/Linux Systems Administrator

Responsibilities:

• Installed and configured hardware and OS on servers, workstations and I/O devices on Sun hardware.
• Configured and installed Solaris, HP-UX and Red Hat Linux Servers using jumpstart, Ignite and kickstart.
• Created disk groups, volumes, volume groups and RAIDs using Veritas Volume Manager.
• Experience in upgrading Solaris 9 to Solaris 10 and worked with Solaris zones and containers.
• Disk mirroring and RAID implementation using Veritas Volume Manager and Solaris Volume Manager.
• Configured DNS Servers, Clients and troubleshooting DNS issues.
• Troubleshooting and analyzing of hardware and software failures for various Unix servers core dump and log file analysis .
• Administration and maintaining of Veritas Cluster Server.
• Created Korn shell scripts to monitor system resources, maintenance and scheduled cron jobs and Perl scripts for web Applications.
• Provided support for multi-path Fiber Channel storage systems, as well as HP-UX servers configured with multiple Fiber Channel FC Host Bus Adapters HBA on a Storage Area Network SAN .
• Provided support for Opsware Server Automation System SAS .
• Setting up various user profiles, environment variables and security to ensure smooth operation.
• Involved in preparation of functional, system specifications and estimated storage requirements for applications.
• Installation of OAS Oracle Application Server on Solaris 9 and its configuration with oracle database.
• Restore of Oracle instance and worked with DBA team for Oracle installation and Building Oracle Cluster
• Logical Volume Management LVM administration. Created Volume Groups, Logical Volumes and disk mirroring.
• Provided 24x7 on-call support on shift rotation basis.

Environment: Sun Solaris 10/9, HP-UX, Red Hat Linux 4.x, Windows NT 4.0, VERITAS Volume Manager 5.0, VERITAS Net backup 6.0, Sun Enterprise 4500, Sun Enterprise 450/420R/250, Sun Ultra 250 with RAID, Motorola Machine, Pentium PCs, Oracle 10g, Perl, Remedy, Genicom Printers and HP Laser Jet Printers.

Responsibilities:

• Configured and installed Solaris, HP-UX and Red Hat Linux Servers using jumpstart, Ignite and kick start.
• Responsible for DNS and Configured DNS Servers and Clients, troubleshooting DNS issues.
• Co-ordinate with web admin team in installation of BEA Web Logic Server 8.1.
• Installed configured and managed Oracle Real Application Cluster RAC and Oracle Data Guard on Solaris, HP-UX and Linux Servers.
• Experience in building of new servers which includes rack mounting, installation of OS, configuring of various OS-native and third party tools, securing of OS, job scheduling and setting up cron jobs.
• Installation and Administration of IBM TIVOLI, BMC patrol and Nagios system monitoring tools.
• Building, Installing and configuring Veritas cluster Server, Red Hat Cluster Server RHCS and HP MC Service Guard.
• Package management using RPM and Yellowdog Updater Modified YUM in Linux
• Involved in disk configuration and disk crash recovery using format and fdisk. Bad spots on disk were repaired using repair and analyze.
• Worked with SAN in EMC CLARiiON disks, their configuration and installation of power path.
• Providing day-to-day user administration like adding/deleting users and managing user's queries. Shell programming for routine administration tasks. Analyzing and monitoring system performance through various system tools such as netstat, iostat, top, vmstat.
• Implemented System policies and hardware profiles, hard disk configuration for fault tolerance, disk mirroring and back up the data using Veritas NetBackup.
• Involved in installation, configuration and administration of Apache Web server and Samba Server in UNIX and Linux environments.
• User accounts management, developing korn shell scripts for various system performances monitoring purposes and troubleshooting.
• Performed problem determination and restored service using standard procedures.

Environment: Solaris 9/8, Red Hat Enterprise Linux 4.x, Sun Ultra E450, Sun Sparc 20/10/5, Sun Fire 4500/V880/V480 Sun Enterprise /E420R/E450/E250, IBM, Solstice Disk Suite, Veritas Volume Manager 3.x, Veritas Net Backup V4.5, HP-MC Service Guard, Sun Enterprise 10K, 6500, 6000, 4500, HP-UX 11.x/10.x, BEA Web Logic 8.1, ORACLE 9, C, EMC CLARiiON, Perl, Tivoli SM.