Manager Management

Gurpreet Singh E Mail: *********.****@*****.***

SUMMARY:

oOver 7 years of specialized experience in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of IBM AIX 4.3/5.1/5.2/5.3/6.1/7.1, Linux (RedHat & SuSE), Sun Solaris 8/9/10, Win NT/2000 Server and HP-UX. in a very large environment.

oExperience with IBM Power4, 5, 6, 7 virtualization, Experience in Planning and Implementation of Virtualization on Power 770

oExperience in MICRO-PARTITIONING on P series servers.

oThorough understanding of fundamentals of AIX UNIX kernel and file system concepts.

oExperience in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX.

oExperienced in AIX Migration Installation, Preservation Installation and Complete Overwrite Installation using CDROM and configuring NIM Server.

oExperience in installation of AIX in an LPAR environment pSeries.

oWorked on Live partition mobility (AIX 6.1 / 7.1)

oExperience in managing hardware from HMC, AMM/IVM.

oExperience in installation and configuration of Virtual I/O Server (VIOS) 1.1, 1.3, 1.5, 2.1, 2.2.

oInstalling, upgrading and configuring SUN Solaris 8, 9 and 10 on Sun Servers Using Jumpstart Installation and Linux Servers using kick start installation.

oInstallation and configuration of Windows servers running DHCP, DNS, Exchange & Active Directories.

oPerformed kickstart network installation of servers for Linux, Unix, Windows OS.

oExpert in creating Sun virtualization zones/containers/LDOMS (logical domains) and Linux Red hat and Centos virtualization using KVM-Kernel based virtual machine.

oTroubleshooting issues related to Network and updating the static-routes in Linux.

oConfiguring & administrating Solaris Volume Manager.

oExperienced in Performance tuning of Sun SPARC and Linux servers using tools like top, prstat, vmstat etc.

oAdministered and supported high availability, data replication, business persistence, fail-over, fail-back using VERITAS Cluster Server 4.x/5.x.

oExtensive working knowledge in Veritas Volume Manager (VxVM, VxFS) & Clusters for Disk management, Volume Management & increased disk availability.

oInstalled and configured 2/3/5 Node Veritas cluster (VCS) and Sun Cluster 3.1 via GUI and command line and configured Global Clustering Option (GCO) for Disaster Recovery Capabilities using VVR.

oInstalled and configure Solaris 8/9/10 on Sun hardware machines with Veritas Volume Manager 4.x/5.x and Veritas File system.

oInstalled Configured Veritas Global Clusters for Disaster recovery Capability using Veritas Volume Replicator (VVR).

oBuilt HACMP Clusters from the scratch.

oSingle point of contact for HACMP Cluster issues & support

oDesigned & built a five node HACMP cluster from scratch and added nodes to two different existing clusters.

o Experience configuring and supporting IBM clustering products PowerHA (formerly HCMP) and GPFS.

oCreated and maintained user accounts, profiles, security, rights, disk space and process monitoring.

oGood knowledge and hands on experience of writing Perl and BASH scripts.

oPerl development to interact with LDAP (AD) servers to query & modify person, host & netgroup data.

oExperience in Migration of HACMP 4.3.1/4.5/5.1 to HACMP 5.4 using Node-by-Node migration without changing the cluster setup.

oHands on experience with Live Partition Mobility (LPM) from one server to another.

oExpertise in SMIT, LVM, Mirroring, User & System Resource management, Paging Space management, job scheduling.

oConfigured HACMP 4.x/5.x to monitor, Disaster recovery, detect and react to failure events, allowing the system to stay available during random, unexpected software problems and also configured to react to hundreds of system events.

oThorough understanding of fundamentals of AIX UNIX kernel and file system concepts.

oExperience in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX.

oExperience in managing hardware from HMC, AMM/IVM.

oExperience in installation and configuration of Virtual I/O Server (VIOS) 1.1, 1.3, 1.5, 2.1, 2.2.

oExperienced in AIX Migration Installation, Preservation Installation and Complete Overwrite Installation using CDROM and configuring NIM Server.

oExperience on Web servers such as IBM Websphere 6.0, Tomcat 5.x/4.x/3.x & Apache Http Server 1.x/2.x, Oracle Weblogic V7/8/9.

oPerformance enhancement and tuning for Tomcat, Apache and JBoss servers on RHEL6 OS virtual instances. Writing Build and Build deployment scripts.

oExperience working in NFS/NAS, Storage Area Networks (SAN), SSA disk storage environment.

oPeripheral Experience in EMC Storage Arrays, ADIC tape libraries, VeritasNetbackup.

oExperience in connecting to an EMC disk subsystem with PowerPath and MPIO.

oExtensively worked on Oracle RAC requirement, allocated 3.2TB of EMC SAN Storage which was to be added to Oracle ASM including the ownership being given to DBA. RAC disks were to use ASM and not AIX LVM.

oExperience with EMC VMAX, symmetrix, IBM's SVC and DS 4800, 6800 and 8000 SAN.

oExperience in connecting to an EMC disk subsystem with PowerPath and MPIO.

oFamiliar with Tivoli Storage Manager (TSM) for backup automation with policies configuration for Web based databases, setup consisted of server and client backup with progressive backup methodology

oExperience in working with Shared Ethernet Adapter, Link Aggregation and NPIV concepts associated with VIO server technology.

oExperienced in monitoring system performance and check the status of the system using utilities such as TOPAS, GLANCE, NMON, VMSTAT, IOSTAT, etc.

oExperience in DHCP, DNS, NIS, NFS, Send mail, ftp, remote access, security management, and system troubleshooting skills.

oExpert in setting up ssh, scp, sftp connectivity between UNIX hosts.

oDeployed and managed F5 load balancers.

oTo secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.

oResolved many Application Startup problems, PATH problems, and Name conflicts, TCP/IP, LAN /WAN, BIND, Sys logging and Networking Problems.

oStrong in LVM (Storage Methodology), Performance monitoring, Error logging, Diagnostics, and Fine-tuning.

oExcellent in troubleshooting and Maintaining AIX and Patching.

oExcellent presentation, analytical, documentation and interpersonal communication skills.

oEveryday Network administration tasks - adding and removing users file and share permissions, trust management, replication management, server backups, and server setups.

oPerformed user tasks including submitting and managing parallel, serial and interactive jobs.

oProven ability to define System requirements, recommended solutions, analyze capacity and make appropriate modifications

oExcellent team worker and ability to quickly adopt and work under minimal supervision.

TECHNICAL SKILLS:

Operation Systems

IBM AIX 4.3.3, 5.1, 5.2,5.3, 6.1& 7.1, L5 AS/400 OS/2, IBM AIX p-Series servers (p590, p550, p520, p670, p630,p770,p795), VERITAS Net Backup server, Windows 2000/2003 server VMware.

Hardware

IBM P520, IBM P550, P560, P570, P575, IBM P670, IBM, P650, p770,p795 IBM RS/6000 F50, JS20 IBM Blade server,, HMC – Hardware Management Console.

Application Server and Technologies

NIM, HACMP 4.3.1 & 4.4, HACMP/ES 4.5, HACMP 5.1 – 5.5, Tivoli storage Manager. Apache Server, Samba server. HACMP (4.5, 5.2), Linux, UNIX, LVM,VPS.

Databases/scripting

MSSQL 2000, DB2, Oracle, Shell and PERL scripting.

Languages

UNIX Shell Scripting, perl and bash.

Storage Technologies &Networking Technologies

AIX Logical Volume Manager, IBM SAN, EMC powerpath, Naviagent, NAVICLI, Cisco Router, Cisco Catalyst Switch, TCP/IP, NIM, NFS, NIS, DNS.

Backup/Monitoring Tools

TSM v5.3, v5.4, cpio, tar, mksysb, SMIT, WSM, SAR, topas, tcpdump, snoop, Windows NTBackup/restore.

PROFESSIONAL EXPERIENCE:

Kaiser Permanente, Pleasanton, CA Apr 12 – Till date

AIX / UNIX Administrator

Responsibilities:

oBuild, test and provide support for AIX, Linux and Solaris Server's.

o24x7 on call server support for UNIX environment.

oInstalled and configured AIX on p5, p6 and p7 550,570,630,640, 520,610,590,595, 770, 795 Bladecenter JS20/JS21/JS22/JS23 for development, test, production and DR environment.

oInstallation, administration of VIO Server and VIO client LPAR's.

oUpgrading VIO version from 1.4 to 1.5 and 1.4.1.2-FP-9.2 to 2.1.

oUpgrading AIX TL from AIX 5.3 TL8 to AIX 5.3 TL9.

oInstallation and configuration of LPAR's with AIX 7.1, 6.1, AIX 5.3 on p5 and p6 frames.

oInstallation of Solaris 10 operating system using Jumpstart method and configuring the boxes with respective Tier 2 & Tier 3 as per company Standards.

o Installation of Linux OS by using kickstart on DL G5 385 boxes.

oInstallation of RedHat Enterprise Linux 6.3 and 5.8, ESXI 5.0 servers through manual and auto build process.

oInitial post installation procedures for UNIX through internal script.

oInstallation, administration of VIO Server and VIO client LPAR's.

oUpgrading VIO version from 1.4 to 1.5 and 1.4.1.2-FP-9.2 to 2.1.

oExperience in installation and configuration of VERITAS Cluster Server.

oExperience working Red Hat GFS and Veritas Cluster File systems.

oClustering solutions for High Availability using tools such as Veritas Cluster Server (VCS), MSCS, RHCS.

oDesigned, installed and configured HACMP cluster environment, with cascading and mutual takeover.

oResponsible in Paining building and testing of servers

oResponsible in documenting procedures to be followed by help desk and other system administrators

oExpertise in Troubleshooting on High Availability Clusters (HACMP).

oResponsible for migrating HACMP form v5.4 to 5.5 and to powerHA

oDeveloped shell scripts for backups of VIO servers

oMost of these tasks are performed using native Korn Shell and Perl scripts system resources from one partition to another partition

oDeveloped UNIX shell scripts to generate performance matrix of the servers

oExperience in Installation, Configuration and Troubleshooting of Tivoli Storage Manager (TSM).

oMigration of TSM 4.3/5.1/5.2 to TSM 5.3, 5.4, 5.5, 6.1 on AIX and windows servers.

oTake backup with VERITAS NetBackup 5.0, 6.0 and 6.5 and troubleshoot failed backups.

oRemediating failed backups, Take manual incremental backups of failing server's.

oHardware troubleshooting, Maintenance and replacement of failed hardware.

oExperience working with workload manager, and defined performance goals and assigned a business importance to each goal.

oManager and VERITAS File System management, VCS (VERITAS Clustering Suite).

oCo-ordinate with IBM/SUN CE's to replace failed Hardware or add new hardware including but not limited to fiber channel adapters, Ethernet controllers, disks, memory dimm's etc.

oCoordinating with SAN team for allocation of LUN's in order to increase filesystem space.

oTroubleshoot SAN issues with EMC Symmetrix and Clariion.

oConfigure EMC SAN disks to be used by ASM and change permission and reserve lock settings.

oConfiguration and administration of Fiber card Adapter's and handling AIX part of SAN.

oConfiguration of VIO server and VIO clients from Hardware Management Console.

oAdding SAN (EMC Symmetrix, Clariion, IBM, Hitachi ) on AIX and Solaris boxes.

oExperience in connecting to an EMC disk subsystem with Powerpath and MPIO.

oExperience in working with IBM DS8000, DS4700, DS6800, FAStT/DS4800, DS4500 (FAStT 900), USP600, AMS500, IBM nSeries storage hardware and SAN Fiber director series.

oManage LPAR's and provide virtual memory management and memory optimization.

oSetup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, applications, and print servers to insure optimal networking, application, and printing functionality.

oWorked on Web servers which include Tomcat 5.x/4.x/3.x & Apache Server 2.x/1.x

oImplemented Oracle RAC high availability application cluster on RHEL.

oPerform UNIX administrator duties supporting production ERP (SAP) and database (Oracle, PeopleSoft, and DB2) systems.

oKnowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers.

oImplemented redundancy for Routers, Switches and Firewalls.

oManage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations Worked with monitoring tools like Tivoli monitoring, HP OpenView, and BMC Patrol.

oBacking up AIX servers using mksysb and ADSM/TSM.

oProvide temporary and permanent sudo permissions to users depending on the job requirement and security request clearance.

Environment: IBM p570, p740, p750, AIX 5.3/6.1/7.1, IBM DB2 pureScale, GPFS, InfiniBand, Red hat Linux (RHEL 5.X and RHEL 6.X), IBM DS8000, IBM SVC, KVM,

PG&E, San Francisco, CA Jan 11 – Mar 12

UNIX System Administrator

Responsibilities:

oResponsible for maintaining and administering production IBM p520, p570, p590, p595, p770 & p795 AIX & UNIX based servers.

oConfigured IBM RS 6000/p-series,550,570,520,610 machines for production, staging and test environments

oSetup 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

oHardware Maintenance and System Administration of Solaris servers.

oConfigured and administrated LPAR's.

oConfigured and administrated VIO server and Lpar clients.

oAdministration Tasks included User administration, Performance, Sendmail and weekly mksysb

oDaily roles included dealing with LVM extensively. Strong hold of LVM.

oMigrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 (online).

oExperience with VERITAS NetBackup, VCS and backup and recovery using VERITAS NetBackup and ADIC tape libraries.

oTake backup with VERITAS NetBackup 5.0 and 6.0 and troubleshoot failed backups.

oDaily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters.

oResponsible for Build, Install, load and configure the boxes.

oInstallation and troubleshooting on VMware running Linux (RehHat) and Windows.

oExperience in NetApp storage devices, setup, configuration, operations and connecting to pSeries hardware.

oSetup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.

oDealing with user id deletion with removing entries from CRONTAB.

oPerforming Failovers in HACMP / cluster environment, monitoring servers with VERITAS Cluster Manager, VCS (VERITAS Clustering Suite).

oBackup and Recovery using Sysback.

oExperience in connecting to an EMC disk subsystem with Powerpath.

oConfigured Work Load Management (WLM) for IBM WebSphere Application Server.

oSetup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.

oBacking up AIX servers using mksysb and ADSM/TSM using IBM 3494, STK (Sun) ACSLS tape libraries.

oPerform UNIX administrator duties supporting production servers running ERP (SAP) and database (Oracle, data guard, Sybase, PeopleSoft, and DB2).

oInstalled application connectivity software to enable IBM print services. Configured and administered firewall rules, including the use of SNORT, NMAP to effectively monitor system files, port security, and network traffic activity coming through the firewall.

oAdministered UNIX servers for several functions including managing Sendmail, Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.

Environment: IBM p520, p570, p590, p595, p770, p795, EMC SAN, AIX 5.1,5.2,5.3/6.1, UNIX, HP-UX 11i, Red hat Linux.

Seagate Technology, OKC, OK Sep 09 – Dec 10

AIX Administrator

Responsibilities:

oResponsible for installation, troubleshooting and maintenance of AIX 5.1/5.2/5.3/6.1 servers.

oConfiguration and administration of HACMP cluster resources, cascading, rotating and concurrent resource groups, event handler testing using clstat, clverify.

oVerify and Synchronize the HACMP cluster, configured HACMP to monitor, detect and react to failure events, making systems available during random and unexpected events.

oAdding, increasing the file system space in HACMP environment.

oAdministration of p5-570, p5-550, p4-640 and IBM RS/6000 servers running on AIX 5L for support of SAP Environment on Oracle 10g, DNS, FTP and TSM tape backup.

oSystem & Backup management using IBM ADSM Backup Server.

oInstalling and configuring HMC, LPAR, VIO Server in pSeries servers (p590, p550, p520, p670, p630).

oVIO server Planning and Configuration.

oResponsible for the operation, maintenance and integrity of a distributed, networked AIX based environment

oBM RS/6000 SP System Software Maintenance, AIX System Dump Generation and sending System Dump to AIX System Support Center.

oAIX System Administration using SMIT.

oSetup and configured network TCP/IP on LINUX and AIX servers including RPC.

oExperienced in installation and configuration of HACMP.

oInstallation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement.

oLogical Volume Management (LVM) of AIX.

oInstalled, configured and administered Websphere Application Server 4.x/5.0

oPredefined and Customized Volume Group management on AIX.

oDisk Management on AIX using SMIT.

oInstallation and Administration of Tivoli Directory Server.

oDisk Replacement Strategy on AIX.

oPerformance Management & Tuning of AIX /UNIX Kernel.

oManaging Cron jobs, batch processing and job scheduling.

oWrote CGI/PERL scripts for various kinds of reports needed by the users and developed common modules in PERL.

oSoftware installation and maintenance.

oSecurity, Disaster Recovery, users and groups administration.

oSupported Oracle financials and Retail application servers for patches, e-fixes and compatibility issues.

oResponsible for configuring VLANs on IBM p Series, Nortel Switches, CISCO switches.

oNetworking service, performance, and resource monitoring.

oFamiliar with IBM Enterprise Storage Server (ESS).

oSupported web services (Apache) and J2EE application server software (JBoss, Tomcat, WebLogic) and messaging applications Websphere (WMQ), WebSphere message broker (WMB), and WebSphere Transformation Extender(WTX).

Environment: IBM AIX 4.3, 5.1, 5.2, 5.3, IBM P-Series Servers, Solaris 9, TSM, P5-590, 570, 690, 670, 630, P7-750, 770, Korn Shell, NIS, NFS, HACMP Software.

Adept Solutions, Hyderabad Feb 08 – Aug 09

AIX Administrator

Responsibilities:

oInstall and Upgraded AIX and installed patches via NIM.

oDesigned and implemented enterprise network printing solution including application printing running on AIX 5.3, Windows NT 4.0 / 2000.

oInstallation and troubleshooting of complete range of IBM series 5 family of products like servers, rack mounted systems and configuring peripheral devices such as disk arrays tape drives, graphics accelerators, memory modules, networking, and printer products.

oInvolved in performance tuning of RS/6000-AIX using various tools. Trouble shooting all hardware and AIX related problems on RS/6000.

oInvolved in administration, installations, tuning and performance of AIX and Microsoft Window servers.

oSupported applications on AIX, managing volumes, file systems and configuring the connectivity networking.

oExperience with TCP/IP, FTP, DNS, NIS, BIND, Sendmail, sys logging, UNIX account management and file permissions

oAdministered enterprise backup using VERITAS BACKUP Exec.

oCreated Users and Groups for certain departments. Configured DHCP (Dynamic Host Configuration Protocol).

oConfigured and troubleshooted routers like Cisco 2600, and LINKSYS RV016 VPN router.

oInvolved in the maintaining/ troubleshooting of SMS servers and Enterprise servers.

oInstalled, configure and maintain various web applications and rolled out to production after testing the web applications.

oProvided support for the systems in the Data Center and in the production environment. Also, provided support for the SMTP mail server and the network components using the firewalls.

oWriting Shell scripts for automation of job, system monitoring and error reporting.

oInvolved in web hosting and web designing.

oMaintained DNS and NIS server.

oSupported existing production environment including various applications and planned to improve performance with growth.

Environment: Hardware: IBM series p5 (520, 550, 570), IBM RS6000 (F50), SUN 280R, IBM PC/THINKPAD, DELL, GATEWAY, HP, CISCO 2600, 3500

EDUCATIONAL SUMMARY:

Bachelors in Computer Science.

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