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Unix/ Aix Administrator Resume

DallaS

OBECTIVE:

Solution-oriented UNIX (AIX, SOLARIS, LINUX and HP-UX) administrator with notable success directing a broad range of corporate it initiatives while participating in planning and the implementation of UNIX based solution in support of business objectives.

SUMMARY OF QUALIFICATION:

  • Eight plus years of proven systems project experience including infrastructure administration on AIX, Linux, Sun Solaris, and Windows 2003/NT/2000
  • Have worked on various IBM pSeries servers, RS/6000 platforms and have extensive experience in Configuration, Installation and Administration of AIX including installation, configuration and maintenance of HACMP v4.5 on AIX v5.x.
  • Experience in NIM Installation, setting up NIM Servers, Clients, defining the resources, Alternate Disk Migration with NIM.
  • Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
  • Well versed with various concepts and key features of Storage Area Networks (SAN) like built-in redundancy, dynamic failover protection and automatic traffic rerouting capabilities to help ensure a continuous reliable path for data without experiencing server downtime.
  • Experience in installation, configuration, tuning, security, backup recovery and upgrades of IBM AIX, Red hat Linux.
  • Perform initial Installation and configuration of VIO Server on p series (power7, power 6, power5) hardware.
  • Experience in migration of HACMP v4.4 to HACMP v4.5
  • Experience in troubleshooting problems in HACMP environment using the HACMP diagnostic utilities and problem determination tools.
  • Knowledge of high-performance, large-block transport capabilities of Fiber Channel SAN involving high availability applications in e-commerce and web hosting environments involving clustered environments.
  • Experienced in implementing the various security features in the UNIX/AIX environment using LDAP like configuring user authentication.
  • Performed HACMP to cluster multiple IBM RS/6000 nodes work to provide a highly available application.
  • Performed tasks in LVM, Networking, NFS, Performance tuning, Installation, NIM, LPARs, VIO & MPARs, EMC, mksysb's, system dump, scripting etc.
  • Developed complex shell scripts for automated installations and extracting logs.
  • Extensive experience in managing code migrations for different application OVO, NBU Java8V3 and glance+
  • Experience in installation/configuration of hardware and software, migrating systems to current OS releases, upgrading software and tools, configuring storage devices (A1000) using Veritas Volume Manager and tape drives.
  • Experience in HP-UX 11.23 (Ignite Installation) software upgrades for HP-UX OVO, Glance, Net Backup, Openview and other application.
  • Experienced in Tivoli Storage Management, Managing LVM and File systems, SRC and Paging space management, restore and availability, Monitoring System Network Performance and Send mail administration.
  • Experience in DNS, NIS, NFS, LDAP, Send mail, ftp, remote access, security management, and system troubleshooting skills.
  • Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all levels of management and the client community.
  • Everyday Network administration tasks - adding and removing users file and share permissions, trust management, replication management, server backups, and server setups.
  • Enterprise System Management (ESM): BMC Patrol implementation.
  • Worked with BMC-Patrol Base load preparation.

TECHNICAL SKILLS:

Operating Systems: IBM AIX (4.3, 5.1, 5.2, 5.3, 6.1), Linux (Redhat/SuSe), Sun Solaris 2.5/2.6/7.0/8.0, HP-UX 11.0, 11.23, Windows 03/00/NT4.0. Hardware: IBM RS/6000, IBM p-Series (power 6, power5, power4), Sun Fire Servers V1280/V2800 &V3800, Compaq servers, Sun Microsystems SPARC&ULTRA servers/workstations (U5, U10, U20, E450, E3500, E6000, E10K), IBM PCs, SCSI and IDE architectures, backup DLT tape drives. Application Servers: Web Sphere Application Server 3.5/4.0/5.0, Web Logic4.x/6.x, and Netscape Application Server2.1. Web Servers: IBM HTTP Server1.3/1.2, IPlanet Web Server 5.1/6.0, Netscape Enterprise Server, IIS 4.0/5.0, MQ Series, Apache. Languages: JavaScript, HTML, JAVA, C, VB, Perl and Shell programming Databases: Oracle 8i/9i, DB2, MS SQL SERVER 7.0/2000, Sybase. Networking: TCP/IP, DNS, SSH, DHCP, Cisco Routers/Switches, and LAN. Tools: HACMP, Veritas Volume Manager, Veritas Netbackup, VERITAS File System. Other Skills: DCE/DFS, AFS, Samba, Tivoli Storage Manager, Glance, Openview, IIS 5.0/4.0,FTP, MS Office 2000, MS Proxy Server, Norton Utilities.

WORK EXPERIENCE:

Client: Confidential, Dallas Feb 2010 - Present

Responsibilities:

  • Installation and configuration of Dual VIOs Server (Version 2.2.0.11) on new POWEER 6 (p570) and POWER 7 (p770 & p795) systems.
  • Creation of new Virtual LPARs on POWER 6 and POWER 7 Systems with AIX Operating System.
  • Configure new HMC in the AIX environment as the replacement of the existing one. Move all the frames from old HMC to new one. Upgrade HMC via NFS.
  • Work on LPM (Live Partition Mobility) of AIX Lpars between two different IBM frames.
  • Build the VIOs and LPAR on the SAN disks without using the internal disks.
  • Configure VIO servers and LPARs on JS43 blade servers from IBM.
  • Work on LPM of AIX lpars between two different IBM blade servers.
  • Move all the home directories of the users from the control work station to NFS share.
  • Work and coordinate with IBM CE to replace the hardware parts like backplane and Power Supply and Service Processor on existing power6 and power7 frames.
  • Installation and Configuration of AIX 6.1 NIM (Network Installation Management) on IBM Server. Configure SPOT and LPP_SOURCE on NIM Server.
  • Upgrade VIO base version on Dual VIO servers based frames on power 6 and power 7 hardware dynamically.
  • Add additional VLANs dynamically to frame based VIOs and also Blade VIOs.
  • Perform firmware upgrade on JS43 blades.
  • Create clustered LPARs with Striped Logical Volume for the HADR configuration.
  • Implement ISD (IBM Systems Director) across the environment.
  • Perform DR (Disaster Recovery) exercise for the environment.
  • Monitor and Collect performance data for the application and provide using tools like perfpmr and NMON.
  • Perform EMC Powerpath Upgrade on AIX Servers.
  • Restore AIX Server from mksysb.
  • Clone the AIX server from existing server and put in into the production.
  • Forklift the AIX server.
  • Decommission AIX Lpars.
  • Backup HMC critical console data to NFS share. Schedule the HMC backups.
  • Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
  • Installation of third party software like JAVA and C on AIX servers.
  • Configure LDAP on AIX Servers.
  • Installation & configuration of SSH and RPM packages on AIX Lpars. Installation and configuration of Netbackup software on AIX lpars.
  • Disk Management on AIX using SMIT.
  • Data Migrations between EMC, IBM and Power-path Disks.
  • Setting Dyntrk attribute for the fscsi adapter on AIX Servers.
  • Logical Volume Management (LVM) administration of AIX.
  • Rotational On-call support for all various plat-forms. Daily ticket monitoring on HP Service Manager during on-call.
  • Rotational On-mail support for all various plat-forms.
  • Troubleshoot the backup issues of Various Operating Systems on Netbackup.
  • Troubleshoot the Network issues on Various Operating Systems.
  • Disk Expansions and File system expansions on various plat-forms.

Environment: IBM AIX 6.1, 5.3, 5.2, POWER 7 (p770 & p795), POWER 6(p570), TSA, VIO, NIM, Linux (hat), HP-UX, Web Sphere, SAP, Perl, Korn Shell, NIS, NFS, LDAP Server, TSA.

Client: Confidential, Illinois Jul 2008 - Feb 2010

Responsibilities:

  • Installation and configuration of Dual VIOs Server (Version 1.5.2.1) on new POWEER 6 (p570) System.
  • Creation of new viosed LPAR on POWER 6 System with AIX Operating System.
  • Alternation Disk Migration (alt disk migration) from AIX 5.2 to AIX 5.3 & AIX 5.3 to AIX 6.1.
  • Move lpar from Regatta (power 4) hardware to power5 or power 6 systems.
  • Configure new HMC in the AIX environment as the replacement of the existing one. Move all the frames from old HMC to new one.
  • Build the VIOs and LPAR on the SAN disks without using the internal disks.
  • Move all the home directories of the users from the control work station to NFS share.
  • Installation and Configuration of AIX 6.1 NIM (Network Installation Management) on IBM Server. Configure SPOT and LPP_SOURCE on NIM Server.
  • Clone the AIX server from existing server and put in into the production.
  • Forklift the AIX server.
  • Configure VLAN-Tagging on Dual VIO Servers.
  • Clustered multiple AIX lpars using HACMP, configured HACMP cluster to keep applications running.
  • Responsible for event processing, change management and problem determination in HACMP environment.
  • Backup HMC critical console data to NFS share. Schedule the HMC backups.
  • Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
  • Installation & configuration of SSH and RPM packages on AIX Lpars. Installation and configuration of Netbackup software on AIX lpars.
  • Disk Management on AIX using SMIT.
  • Data Migrations between EMC, IBM and Power-path Disks.
  • Move AIX Lpar from POWER 5 to POWER 6 frame.
  • Setting Dyntrk attribute for the fscsi adapter on AIX Servers.
  • Logical Volume Management (LVM) administration of AIX.
  • Rotational On-call support for all various plat-forms.
  • Rotational On-mail support for all various plat-forms.
  • Apply Windows patches during On-call on the windows servers.
  • Troubleshoot the backup issues of Various Operating Systems on Netbackup.
  • Troubleshoot the Network issues on Various Operating Systems.
  • Disk Expansions and File system expansions on various plat-forms.
  • Add resources like memory and CPU to the VMware Client.

Environment: IBM AIX 6.1, 5.3, 5.2, POWER 6(p570), Solaris 10, Regatta (power 4) VMware, VIO, NIM, Linux(Red-hat), WebSphere, SAP, Perl, Korn Shell, NIS, NFS, LDAP Server, HACMP,

Client: Confidential, North Carolina Jan 2008 - Jun 2008 Unix/ AIX Administrator

Responsibilities:

  • Installation and configuration of VIO Server (Version 1.5.0) on new POWEER 6 (p570) System.
  • Create Client Partitions (LPAR) on POWER 6 System for VIO Server and install AIX Operating System (AIX 6) on it.
  • Failover Configuration on VIO Server, Configure Virtual Disk and Shared Ethernet Configuration.
  • Responsible for Installation, Configuration, Management, Maintenance and Systems Development of AIX Systems from Scratch.
  • Installation of Solaris 10 from Scratch.
  • Installation and Configuration of Red Hat Enterprise Linux Server (RHEL 4).
  • Installation and Configuration of NIM (Network Installation Management) on IBM Server. Configure SPOT and LPP_SOURCE on NIM Server.
  • Define NIM Clients and Install Operating System on it. Perform NIM Operations on Client Machines.
  • Installation and Configuration of Tivoli Storage Management (TSM) file sets on new AIX Servers.
  • Perform daily Tivoli storage manager Administrator duties to ensure all information processed through systems and databases are efficient.
  • Take Backup of Existing and newly Built Servers, Assign Storage Area Network (SAN) Space for the Client. Work with Storage Team for Space Allocation from EMC Disks.
  • Installation of SSH, Legato Backup, Opsware Agent on IBM AIX Machines.
  • Configuration management including the building of LPARs and configuring the hardware devices that support them.
  • Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
  • Backup, Recovery and Update of HMC to Latest Level..
  • Troubleshooting of NIC Cards on Red Hat Linux Enterprise Server (RHEL 4).
  • Clustered multiple RS/6000 machines on AIX using HACMP, configured HACMP cluster to keep applications running.
  • Responsible for event processing, change management and problem determination in HACMP environment.
  • Work on Change and Replacement of currently running systems in DMZ. Work with Application Team for the UNIX Support for the Replacement of the Server.
  • Troubleshooting of Network Routing issue on the new server to be replaced in DMZ.
  • Update the Maintenance Level of existing AIX Servers.
  • Work with facility team for the Upgrade of Hardware on existing IBM (p520) Servers and configure them.
  • Experience in analyzing logs, problem determination, and Recovery and restart.
  • Logical Volume Management (LVM) administration of AIX.
  • Creation, Maintenance and Changes in File System on existing and new AIX Servers.
  • Security, users and groups administration.
  • Disk Management on AIX using SMIT.

Environment: IBM AIX 6.1, 5.3, 5.2, POWER 6,Solaris 10,VMware, VIO, NIM, Linux(Red-hat), WebSphere Application Server, Tivoli Storage Manager, Perl, Korn Shell, NIS, NFS, LDAP Server, HACMP software, Cisco routers.

Client: Confidential, Virginia Oct 2007 - Dec 2007 Unix/ AIX Administrator

Responsibilities:

  • Responsible for Installation, Configuration Management, Maintenance and Systems Development of an AIX Systems from Scratch.
  • Installation of Solaris 10 from Scratch.
  • Installation and Configuration of Linux Enterprise Server (Version 4).
  • Use HMC to create LPAR, DLPAR, micro partitioning.
  • Configuration management including the building of LPARs and configuring the hardware devices that support them.
  • AIX administration supporting RS6000 Servers, installing, configuring and maintaining WebSphere Application Server, Samba Server and IBM HTTP Server.
  • Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
  • Backup, Recovery and Update of HMC to Latest Level.
  • Installation of Software like C, C++, JAVA, Oracle, Microfocus COBOL Application Server, COSORT, WebSphere and Versata.
  • Performance Management & Tuning of AIX UNIX Kernel.
  • Experience in analyzing logs, problem determination, and Recovery and restart.
  • Logical Volume Management (LVM) administration of AIX.
  • Security, users and groups administration.
  • Setup of full networking services and protocols including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
  • Install Symark Powerbroker and Powerpassword security software on Master (Server) and Client machines and configure the machines.
  • Disk Management on AIX using SMIT.
  • Create VLS for IBM WebSphere Application Server.
  • Configuring the Infoprint Manager AIX server
  • Configuring the SAP system server
  • Installing the SAP Client when SAP runs on AIX

Environment: IBM AIX 5.2, 5.3(RS/6000), Solaris 10,VMware, Linux(Red-hat), WebSphere Application Server, Tivoli Storage Manager, Perl, Korn Shell, NIS, NFS, LDAP Server, HACMP software, Cisco routers.

Client: Confidential, Michigan. Jan2007-Sep2007 Unix/AIX Administrator

Responsibilities:

  • Responsible for Installation, Configuration Management, Maintenance and Systems Development of over 45 AIX Systems.
  • AIX administration supporting RS6000 Servers, installing, configuring and maintaining WebSphere Application Server, Samba Server and IBM HTTP Server.
  • Use HMC to create LPAR, DLPAR, micro partitioning.
  • Configuration management including the building of LPARs and configuring the hardware devices that support them.
  • Responsible for configuring various newly built VIO servers and their MPARs for proper LUN sharing and configuring external EMC disks.
  • Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment
  • Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
  • Responsible for configuring User Authentication for the AIX systems using LDAP.
  • Development in PERL for automatic user addition/email addition/deletion and username verification.
  • Applying software and keeping the system software releases current.
  • Enterprise System Management (ESM): BMC Patrol implementation Responsible for the performance and tuning of AIX systems, applying upgrade to AIX from version 4.3 to 5.1.
  • Installing E-fixes on AIX servers.
  • GPFS (v2.1) administration, GPFS (v2.1) cluster configuration, node set configurations and network shared disk creation, filesytem creation consideration.
  • Managing GPFS cluster, managing GPFS node set, starting and stopping GPFS.
  • Worked with deferent application teams to install and configure and troubleshoots their BMC-Patrol installation, Configuration and Administration
  • Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
  • Upgrade, Disaster Recovery, Troubleshooting of Unix systems. Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.Implemented management system application for creating change and problem tickets for production servers and preparing for change windows to implement any changes. (Remedy, Peregrine)
  • Responsible for the installation, maintenance and configuration of various Linux servers
  • Responsible for the installation and configuration of softwares like Java, Glance, tripwire, snmp nagios.
  • Upgraded HP-UX latest version 11.23 (Ignet Installation) Software upgrades for HP (OVO, Glance, Net Backup, Openview)
  • Configured HACMP 4.5 to monitor, 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.
  • Experience in setting up clusters and creating repository queue managers for load balancing.
  • Responsible for configuring User Authentication for the AIX systems using LDAP.
  • Experience in analyzing logs, problem determination, and Recovery and restart.
  • Worked closely with DBAs to install raid, disk areas for Oracle database instance installations, created Bourne shell database startup and shutdown scripts for UNIX servers. Wrote shell scripts for automated installations, to extract logs.
  • Administered Windows 2000/NT4.0 clustered servers, along with IIS 4.0/5.0.
  • Configuring the Infoprint Manager AIX server
  • Configuring the SAP system server
  • Installing the SAP Client when SAP runs on AIX

Environment: IBM AIX 4.3.3, 5.1 (RS/6000), Linux, HP-UX 11.0,11.23, Autosys, SAP, BMC Patrol, Cisco, Netscout Tivoli Storage Manager, Perl, Korn Shell, NIS, NFS, LDAP Server.

Client: Confidential, Colorado Sept 2003 - Dec 2006 AIX/UNIX Administrator

Responsibilities:

  • AIX administration supporting RS6000 Servers, installing, configuring and maintaining WebSphere Application Server, Samba Server and IBM HTTP Server.
  • Responsible for determining hardware and compatibility requirements for installation of application software and different tools.
  • Installed IBM Edge Server, DB2 and MQSeries.
  • Analyzed problems on RPC, security & directory services of DCE/DFS. Fixed bugs using IPtrace tools, core dump analysis tools and memory leak tools.
  • Logical Volume Management (LVM) administration of AIX.
  • Performance Management & Tuning of AIX UNIX Kernel.
  • Worked on Enterprise System Management (ESM): BMC Patrol implementation and load preparation.
  • Developed Shell scripts (Korn/Bourne) for automating the batch jobs.
  • Extensively used LVM, created VGs, LVs, and disk mirroring.
  • Setup and configured network TCP/IP on LINUX and AIX servers including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on the Servers.
  • Setup of full networking services and protocols including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
  • Clustered multiple RS/6000 machines on AIX 5.1 using HACMP, configured HACMP cluster to keep applications running.
  • Responsible for event processing, change management and problem determination in HACMP environment.
  • Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
  • Perform daily Tivoli storage manager Administrator duties to ensure all information processed through systems and databases are efficient.
  • Extensively used RPMs to install, update, verify, query and erase packages from SuSE Linux Servers.
  • GPFS (v1.4) administration, GPFS (v1.4) cluster configuration, node set configurations, network shared disk creation, filesytem creation consideration.

Environment: IBM AIX 4.3.3, 5.1 (RS/6000), HP-UX D-class, Solaris 2.6, Tivoli Storage Manager, Perl, Korn Shell, NIS, NFS, DNS, LDAP Server, HACMP software, Autosys, SAP, BMC Patrol, Cisco, Netscout.

EDUCATION:

  • Bachelors of Computer Science

REFERENCES Furnished upon Request.

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