SUMMARY

• Over 9 years of experience in Information technology as System Engineer/Unix in Red Hat Enterprise Linux, Sun Solaris, and Linux.
• Expertise in troubleshooting, developing preventative solutions to deter problems from occurring and technical support with strong communication and interpersonal skills.

• Experience in Configuring NIS master server, NIS slave server and NIS client to centralize user logins in the UNIX network, troubleshoot NIS related problems.
• Experience in supporting Apache/Tomcat/Java based applications.

• Integration of NIS, NFS with Auto mount

• Virtualization Deployment and administration: VMware vmserver, Vmware ESX 4.1/5, Xen vitualbox

• Maintained different Load Balancing servers.
• Experience in supporting various phases of Software Development Life-Cycle.
• Experience with Incident management Jira, QMS and Release Management SBM
• Excellent Team Building, Analytical, Interpersonal, Communication project leadership Skills.
• Programmed extensively in UNIX Shell Scripting and Perl

• Experience in System software Installations.
• Experienced in configuring and supporting Red Hat Enterprise Linux Cluster Suite.
• Installed and configure Red hat Enterprise Linux 3/4/5/6 on high-end midrange servers PROLIANT G3,G4,G5,G6 and G7, IBM BLADE HS21, Dell PowerEdge 1850,1900 and 2900
• Experienced in SAN and NAS, experience on SVC, EMC Clariion and Hitachi
• Experienced in iSCSI experience on IBM N5500 and N7700.
• Experienced in implementing and Configuring of RAID levels using Solstice DiskSuite 4.2.1 , Veritas Volume Manager 4.0, 5.1. and LVM.
• Experienced in supporting Oracle 10 and 11 RAC DB OS support including configuring ASM devices using ASM lib and udev devices, Configuring Private interconnects, Supporting Oracle RAC.
• Tuning kernel parameters according to application requirement
• Performing Kickstart on Red Hat Enterprise Linux servers.
• Keeping System log, Performing system backup and restoration of data.
• Schedule jobs to run automatically using crontab.
• Managing the use of disk space, memory, network segments other communication devices
• Experienced in Solaris 10 Zones, Containers and LDoms Logical Domains
• Taking backup restoration of data with TSM,tar, ufsdump and ufsrestore commands
• Installed Solaris 8/9/10 on high-end midrange servers Sun Fire E2900, Sun Fire 4900, Sun Fire E6900, Sun Fire V480, Sun Fire V880.
• Network administration, based on Ethernet, CAT5 twisted pair cable and products Cisco switches, routers and Operating Systems used are Sun Solaris, RedHat Linux, and Windows 2003.
• Experienced in configuring and supporting Veritas Clustering and RHCS Clustering software's.
• Involved in system design, layout planning, capacity planning, performance tuning for the systems
• Installing recommended patches on Solaris, Red Hat Enterprise Linux, Solaris and HP-UX server's.
• Organized, efficient, and precise with strong communication and liaison skills.
• Able to coordinate multiple projects and meet deadlines under pressure.
• Decisive and direct, yet flexible in responding to constantly changing assignments.
• Enthusiastic, creative and willing to assume increased responsibility.
• Attention to detail and strong follow through.

Technical Skills:

• Operating Systems : Red Hat Enterprise Linux 3/4/5/6, Solaris 8/9/10, Windows 2000/2003
• Languages : C, Shell Programming, Perl, PL/SQL
• Networks : NIS, NFS DNS and Firewalls
• Protocols : TCP/IP, FTP, SSH, SFTP, SCP, SSL, LDAP, ARP, DHCP, TFTP,
• RARP, PPP and POP3
• Networking : TCP/IP, LAN WAN
• Databases : Sybase, Oracle,SAP,AbInitio
• Hardware : PROLIANT G3, G4, G5, G6, G7, IBM BLADE HS21,
• Dell PowerEdge 1850,1900 and 2900, Sun Fire E2900, Sun Fire 4900,
• Sun Fire E6900, Sun Fire V480, Sun Fire V880,
• Software Tools : Red Hat Enterprise Linux Cluster Suite , LVM, Solstice Disk Suite SDS , Veritas Storage Foundation Suite, SAMBA, Veritas Clusters and Veritas Netbackup.
• Virtualization : Vmware, XEN

PROFESSIONAL EXPERIENCE:

Linux System Administrator

Confidential

• Responsible for deployment, monitoring, configuration management, and troubleshooting support for eBay systems and applications.
• Working closely with Engineering, Operations, and Support teams to resolve issues.
• Monitor, and respond to issues, for eBay Linux systems and applications.
• Work closely with application developers to devise robust deployment, operating, monitoring, and reporting for eBay applications.
• Perform configuration management using Puppet.
• Tune application configuration to support optimize performance per developer and engineering recommendations
• Evaluates and implements internal and third-party tools.
• Coordinates with operations teams to create strategies and detailed plans for deployment sequencing, timing to Linux systems.
• Writes, debugs, maintains scripts in bash.Perl
• Work with Developers and launch team to discuss build process.
• Manifest build process for webstore builds.
• Maintain Automation/CI tool : Jenkins, Bamboo/Infinity.
• Support developers in maintain and updating SVN repo.
• Work closely with Software Engineers supporting and automating build processes
• Assisting in tracking and resolving failures in build processes
• Working closely with Engineering, Operations, and Support teams to resolve issues.
• Monitor, and respond to issues, for eBay Linux systems and applications.
• Work closely with application developers to devise robust deployment, operating, monitoring, and reporting for eBay applications.
• Tune application configuration to support optimize performance per developer and engineering recommendations
• Evaluates and implements internal and third-party tools.
• Troubleshoot Nagios environment alerts.
• Environment : VMware , HP Integrity rx8640. PROLIANT G3,G4,G5,G6,G7 EMC
• Clariion,Hitachi, Brocade 48000 SAN Directors, IBM XIV, IBM System storage SAN
• Volume Controller.
• Software : Bamboo, SVN, Jenkin, Red Hat Enterprise Linux 5/6,Red Hat Enterprise Linux Cluster
• Suite , VMware and XEN virtualization, Jira, Apache, Tomcat and Oracle

Linux Tech Engineer

Confidential

• Support and maintain Red Hat Enterprise Linux 4/5/6., Solaris 9/10 and AIX HP-UX 11.11 in a distributed cluster/non cluster environment.
• Create various shell scripts to perform HA health check for and RHCS in Linux/Solaris.
• Providing Level 1 and Level 2 Support on various production systems.
• Work with SAN team to configure Tier 1, Tier2.
• Support software developers regarding issues related to Servers and application, tuning and ongoing development.
• Managed and supported hardware and software operations at on-site and remote Data Centers.
• Provide Oncall support for Sev 1,2,3 issues .
• Administration troubleshooting of Red Hat Enterprise Linux /4/5/6, Solaris 8/9/10 servers involving new server build and creation of LVM, GFS, and Veritas volume manager file systems.
• Creating and adding Swap space at run time.
• Managed automation of server builds using puppet.
• Regularly applying patches for Red Hat Enterprise Linux , SUN, HP-UX systems.
• Incident Management and Change Management.
• Involved in system design, layout planning, capacity planning, performance tuning for the systems
• Tuning kernel parameters according to application requirement
• Actively involved in systems upgradation/modification, including new additions and developments.
• Monitoring and troubleshooting disk failures in Veritas, LVM and SVM.
• Configured Red Hat Cluster Suite. Created service, service resources, file systems, Listener and bonding to bring database/application under cluster control.
• Support environment comprised of multiple web-enabled database applications including Apache, Tomcat, Oracle, SAP, as well as provide standard systems level support to include enterprise monitoring.
• Involved in data center migration of around 150 Linux servers from SDI PA facility to IMS Health facility in NJ .
• Documented all procedure regarding installations and configurations
• Implemented and maintained Backup strategy with automated scripts using tar, dump, and cpio utilities. Also performed data files backup using Legato Backup utility.
• Providing technical support to team members and helping in troubleshooting, Capable of working independently in troubleshooting and resolving the problems that arise in production, dev and qa environments. Excellent problem analysis and resolution skills.

Environment : VMware , HP Integrity rx8640. PROLIANT G3,G4,G5,G6,G7, IBM

• BLADE HS21, HS22, Dell PowerEdge 1850,1900 and 2900,SVC, EMC
• Clariion,Hitachi, Brocade 48000 SAN Directors, IBM XIV, IBM System storage SAN
• Volume Controller.
• Software : Red Hat Enterprise Linux 4/5/6,AIX 5.3, HP-UX 11.0, 11.11, Red Hat
• Enterprise Linux Cluster Suite , Veritas Storage Foundation Suite, SAMBA, Veritas
• Clusters and Veritas Netbackup, Apache, Tomcat, Oracle and SAP

System Admin/Unix

Confidential

• Support and maintain Red Hat Enterprise Linux 3/4/5.5, Solaris 8/9/10 and HP-UX 11.11 in a distributed cluster/non cluster environment..
• Create various shell scripts to perform HA health check for and RHCS in Linux/Solaris.
• Providing Level 1 and Level 2 Support on various production systems.
• Work with SAN team to configure Tier 1, Tier2, iSCSI storage .
• Managed and supported hardware and software operations at on-site and remote Data Centers.
• Provide Oncall support for Sev 1,2,3 issues .
• Administration troubleshooting of Red Hat Enterprise Linux 3/4/5.5, Solaris 8/9/10 servers involving new server build and creation of LVM, GFS, and Veritas volume manager filesystems.
• Creating and adding Swap space at run time.
• Regularly applying patches for Red Hat Enterprise Linux , SUN, HP-UX systems.
• Incident Management and Change Management.
• Involved in system design, layout planning, capacity planning, performance tuning for the systems
• Tuning kernel parameters according to application requirement
• Actively involved in systems upgradation/modification, including new additions and developments.
• Monitoring and troubleshooting disk failures in Veritas, LVM and SVM.
• Configured Red Hat Cluster Suite. Created service, service resources, file systems, Listener and bonding to bring database/application under cluster control.
• Installed and configured Veritas Cluster Server. Involved in setting up High Availability cluster servers for critical applications. Created service groups, integrating file systems in VCS, configuring/modifying VCS configuration files llttab and gabtab, llthosts database, heartbeat listening resources in VCS.
• Involved in data center migration of around 250 unix servers to IBM facility in boulder .
• Documented all procedure regarding installations and configurations
• Implemented and maintained Backup strategy with automated scripts using tar, dump, and cpio utilities. Also performed data files backup using Legato Backup utility.
• Providing technical support to team members and helping in troubleshooting , Capable of working independently in troubleshooting and resolving the problems that arise in production, dev and qa environments. Excellent problem analysis and resolution skills.

Environment : HP Integrity rx8640. PROLIANT DL380 G3, PROLIANT DL360 G4, IBM

• BLADE HS21, Dell PowerEdge 1850,1900 and 2900, Sun Fire E2900, Sun Fire 4900,
• Sun Fire E6900, Sun Fire V480, Sun Fire V880, EMC Clariion,Hitachi, Brocade
• 48000 SAN Directors, IBM XIV, IBM System storage SAN Volume Controller.
• Software : Red Hat Enterprise Linux 3/4/5.5, Solaris 8/9/10, HP-UX 11.0, 11.11, Red Hat
• Enterprise Linux Cluster Suite , LVM, Solstice Disk Suite SDS , Veritas Storage
• Foundation Suite, SAMBA, Veritas Clusters and Veritas Netbackup,

Confidential

Supports Red Hat Enterprise Linux

• Sun Solaris 7, 8, 9 10 Installation, management and monitoring of Solaris systems and associated hardware/software.
• Administrated DHCP, DNS, LDAP and Samba services in Linux
• Working on evaluating new hardware and software.
• Experience in System Administration Driver Configuration
• Responsible for Connectivity Issues among various Servers and Switches and also responsible for installation of various hardware components on various servers
• Troubleshooting Day to-Day issues with various Servers on different platforms
• Configuration, Administration and maintenance of NFS, DNS, NIS NIS on Linux Servers
• Responsible for patches for the operating system, building startup shell scripts, managing the automation of CRON jobs and managing file systems
• On-call production support.
• File system Administration, Setting up Disk Quota
• Responsible for designing High Availability Solutions for different applications, using
• Red Hat Enterprise Linux Cluster Suite, Veritas Clusters/ Storage Foundation Suite.
• Implementing troubleshooting Veritas and RedHat Clustering in Prod/ QA/ Dev environment.
• Adding removing nodes from Clusters.
• Creation of cluster resources and fail over the cluster resources/ packages.
• Switching over the service groups between systems depends upon requirement
• Managing file systems grow them on fly using Veritas volume manager or LVM.
• Configure servers to use HTTP, DNS, NFS, IPMP, Disk Suite, Veritas Volume Manager, NetBackup Storage Disk configuration etc.
• Implementing software RAID at install-time and run-time on Linux
• Add, remove, and resize logical volumes on Linux
• Diagnose and correct boot failures arising from boot loader, module, and file system errors on Linux
• Configure trouble shoot backup issues. Perform manual backups restore on Veritas NetBackup IBM TSM.

Environment : IBM BLADE HS21, Dell PowerEdge M600,M605,M610,1850,1900,2900, SUN High

• End series E25K, F15K and E10K, SUN Fire, V480,V440, V240,
• EMC Clariion, IBM XIV, IBM System storage SAN Volume Controller.
• Software : Red Hat Enterprise Linux 3/4/5.5, Solaris 8/9/10, HP-UX 11.0, 11.11, Red Hat
• Enterprise Linux Cluster Suite , LVM ,GFS, Veritas Clusters,
• Veritas Volume Manger for Linux for HA, Logical Volume Manager for
• Linux,VMWare ESX Server, Hitachi Disk Array,Apache 2.0,Bind 8
• 9, Sybase, Solaris Disk Suite, NFS, Software RAID.

System Engineer/Network Engineer

Confidential

Responsibilities:

• Installation of SUN Solaris, Red Hat Enterprise Linux and HP-UX.
• Handling day to day administraton jobs in Red Hat Enterprise Linux and SUN Solaris
• Designed, implemented and configured NFS services for RHEL
• Perform daily system administration tasks including installation of new rpm releases, system upgrades and tuning for RHEL.
• Regularly following change management policy.
• Cleared up the Solaris and Linux operating systems performance issues.
• Handling CPU panic, memory problems and other hardware failures with coordination of vendors.
• Implemented Solaris IP Multipathing.
• Troubleshooting NFS servers, NFS Clients in AutoMount Environment.
• Configured FTP, Telnet, sFTP, SSH, iptables for the servers.
• Configured and Administering SAMBA Server.
• Installation and of Veritas Storage Foundation Suite.
• Configured EMC/SAN disks in Solaris Servers.
• HA testing performed on VCS and MC Serviceguard
• Implementation Managing of RAID levels like 0, 1 and 5 using VERITAS Volume Manager.
• System administration of RedHat Enterprise Linux Servers version 3 4 and 5 including hardware maintenance. Dell Poweredge, HP Proliant
• Veritas Cluster Server on Solaris and Linux.
• Creating, Resizing and Removing of file systems.
• Creating, mounting and maintenance of Veritas File Systems VxFS on all layout methods.
• Automatically and manually taking backups / archives, with previously configured policies using Veritas NetBackup.
• Scheduling Off time and Overnight Backup Strategies.
• Installed and maintained several two node Clustered servers in Veritas Cluster Server.
• Creation of cluster resources and fail over the cluster resources/ packages.
• Switching over the service groups between systems depends upon requirement.
• Coordinating in replacement of Sun Server Hardware
• Installed and configured Oracle 9i on Solaris Operating Systems and created databases.
• Implemented Live upgrade for updating patches on Live systems.
• Regularly applying patches for RHEL, SUN systems.
• Coordinating with OEM's for support related issues.
• On-call production support.
• User Group Management, file system mgmt, performance monitoring, fine tuning of Sun- Solaris, Linux, SCO-Unix HP Unix, IBM AIX and Windows NT Servers.
• Managing solaris and RedHat operating environments.
• Baselining the server as per AllState standards and incorporated security features.
• Supporting business for any systems related issues.
• Proficient in writing and executing SQL Queries to pull data from database.
• Experienced in implementing and Configuring of RAID levels using Solstice DiskSuite 4.2.1 , Veritas Volume Manager 4.0.

Environment : Dell Poweredge, HP Proliant, SUN High End series F15K and E10K, SUN Fire, V480,

• V440, V240, Netra series EMC Clariion,RHEL
• Software : Solaris 8/9/10, RedHat ES 3,4,5. Suse Linux solstice disk suite SDS , Veritas
• VolumeManager VxVm ,Veritas cluster server VCS , Netbackup