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Aix Administrator Resume

Reston, VA

SUMMARY

  • Over 8 years of professional experience in IBM AIX, Linux, Solaris and HP UNIX Server environment.
  • Experience working in server environments including IBM P750, P570, P550, P5-520, P5-550, P5-560, P5-575, P5-590, P4-630, P4-650, P4-670, IBM RS/6000 F50, EMC Clariion, Symmetrix, Tivoli Storage Manager.
  • Experience in Installation and Administration of AIX servers (v6.1, v5.3, v5.2, v5.1, v4.3)
  • Experience in Installation and Administration of IBM VIO servers and HMC
  • Experience in Installation and Administration of Redhat Linux servers (6.2, 7.2, Enterprise Server)
  • Experience in configuring Logical Unit Number (LUN) in SAN environment which includes EMC Symmetrix, Clariion, IBM Total storage DS 4300
  • Experience in configuration and administration of PowerHA, HACMP v5.2 and v5.3 cluster nodes.
  • Experience in software installation and patch management in IBM AIX, Linux and Solaris.
  • Experience in installation of Oracle database servers and Oracle Real Application Servers.
  • Experience in installation and configuration of HMC and NIM Master.
  • Strong experience and understanding of NFS, Automount, NIS, DNS, TCP/IP, Sendmail, SMTP mail configuration, and Printer configuration
  • Experience in various backup and recovery methodologies
  • Automated tasks with Unix Shell Scripts
  • Experience with working in Production, Development and Testing environment
  • Experience in Change management, Incident management, Problem Management, Asset Management using Remedy

Certifications

  • IBM Certified System Administrator – AIX 6.1
  • IBM Certified Systems Expert – Virtualization Technical Support for AIX and Linux – v2

EDUCATION

Bachelor of Electronics And Communication Engineering

TECHNICAL SKILLS

OS/HARDWARE

AIX 6.1/5.3/5.2/4.3, VIO 2.1/1.5, Solaris 8/9, RHEL 5/4.5, IBM POWER7 750, POWER6 MMA, POWER6 550, p5 590, p5 595, p5 550, IBM RS/6000 p670, p690, S85, F50, Windows Vista/XP/NT/2000.

SOFTWARE

NIM, HMC, HACMP, POWERHA, EMC Symmetrix DMX4, DMX3, Clariion, ECC, Powerpath, Oracle 10g/11g, db2 9.1/8.1, WAS 6.1/5.1/5.0, TSM.

PROFESSIONAL EXPERIENCE

Confidential,Reston, VA June 2012 – Till DATE

Senior AIX administrator

Responsibilities

  • Installed and configured HMC, LPAR, VIO Server in pSeries servers
  • Performed AIX installations through NIM servers
  • Migrated AIX servers from POWER4 / POWER5 hardware to POWER6/ POWER7 virtualized hardware
  • Migrated LPARS from AIX 5.3 to AIX 6.1 using HMC, NIM master and NIMADM
  • Configured IBM POWER7 p770, p750, POWER6 MMA servers with HMC v7
  • Installed and configured dual VIO servers, SEA, link aggregation and NPIV
  • Implemented AIX service strategy and performed patch installations for IBM AIX servers from NIM servers
  • Configured NIM environment and performed network installation of AIX
  • Installed and configured HMC v7.7
  • Backed up and restored data using TSM, mksysb, alternate disk, NIM master
  • Application and in-house software installations
  • Scheduled tasks using CRON and AT CLI utilities
  • Configured EMC Power path and IBM native MPIO for VIO Client LPARs
  • Configured Logical Unit Number (LUN) in SAN environment which includes EMC VMAX, VNX, Clariion, EMC Symmetrix.
  • Performance monitoring and tuning using various AIX commands (vmo, no, io, vmstat, iostat, topas, sar, nmon, ndisk)
  • Worked with (Application support, H/W support, vendor support) and getting the problem fixed within the given time frame
  • Used acquired skills to prioritize and resolve issues in a timely manner and documented the works performed

Confidential,westborough, MA NOV 2009 – MAY 2012

Senior AIX administrator

Responsibilities

  • Installed and upgraded operating system AIX 5.3 to AIX 6.1
  • Installed and upgraded service pack TL02/TL05 for AIX 6.1 and latest fixes
  • Migrated date from EMC Clariion to EMC VNX
  • Migrated date from DMX4 to VMAX
  • Built and Created Several LPARs using VIO Server and HMC.
  • Performed DLPAR operations to add/modify CPU and memory resources
  • Configured VIO Shared Ethernet Adapter, link aggregation
  • Handled NIM, User & System Resource management, job scheduling, and Paging Space management.
  • Configured two node clusters on AIX 5.3/6.1 using HACMP 5.3 and PowerHA
  • Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
  • Performed Failovers in HACMP / cluster environment, monitoring servers
  • Extensively used LVM, creating Volume Groups, Logical volumes, and disk mirroring.
  • Added new storage on the LPARs by using HMC/VIO server in SAN environment.
  • Performance Management & Tuning of AIX /UNIX Kernel.
  • Software installation and maintenance through NIM.
  • Security, Disaster Recovery, users and groups administration
  • Installed, configured and Managed EMC Powerpath
  • Managed data backups, archives, restoration and recovery
  • Provided on call support.

Environment: AIX 6.1/5.3, VIO 2.1/1.5, HACMP/PowerHa, IBM POWER7 750, POWER6 MMA, POWER6 550, IBM p5 520, p5 550, p5 595, SAP, Oracle 10g/11g

Confidential,mooresville, NC FEB 2008 – oct 2009

Senior UNIX Administrator

  • Installed and managed AIX v5.3 and v6.1 LPARs on POWER6 and POWER5 systems
  • Performed Technology Level and Service Pack upgrades
  • Upgraded AIX 5.1 & 5.2 to 5.3 and 6.1 using NIM and HMC
  • Configured NIM master for production and non-production servers
  • Upgraded EMC ODM and POWERPATH
  • Installed and configured VIO server v1.5 and v2.1
  • Configured NPIV virtual fibre channel on VIO v2.1
  • Configured Virtual Ethernet using link aggregation and SEA
  • Upgraded VIO server from v1.5 to 2.1
  • Monitoring of Disk & Memory Utilization
  • Extensively used LVM, creating VGs, LVs, and disk mirroring.
  • Backed up and restored data using TSM
  • Implemented AIX service strategy
  • Performed patch installations for IBM AIX servers from NIM servers
  • Configured and managed two node clusters using HACMP and POWERHA.
  • Configured dual HMCs and registered managed systems on both primary and secondary HMC
  • Developed Korn Shell scripting for automation and monitoring
  • Worked on EMC disk storage to allocate disk space.
  • Performed day-to-day troubleshooting of system and user problems.

Environment: AIX 6.1/5.3, VIO 2.1/1.5, HACMP 5.3, IBM POWER6 MMA, POWER6 550, IBM p5 520, p5 550, P5 570, p5 595, P4 650, EMC Symmetrix DMX4, Clariion, TSM.

Confidential,Austin, TX DEC 2006 – Jan 2008

Systems Engineer

  • AIX System Administrator for Unix server environment which includes IBM AIX 5.2, IBM AIX 5.3, IBM AIX 4.3, Red Hat Linux 8.0 and Enterprise servers.
  • Installed and configured HMC, LPAR, VIO Server in pSeries servers
  • Performed AIX upgrade through NIM servers
  • Migrated AIX servers from B80, and POWER4 hardware to POWER5 virtualized hardware
  • Implemented AIX service strategy
  • Configured NIM environment and performed network installation of AIX
  • Configured IBM AIX servers using SMIT and WSM
  • Configured and troubleshot HACMP.
  • Application and in-house software installations
  • Worked and Supported on SAP platform with DB2 Database as Backend.
  • Scheduled tasks using CRON and AT CLI utilities
  • Configured EMC Power path and IBM native MPIO for VIO Client LPARs
  • Configured Logical Unit Number (LUN) in SAN environment which includes EMC Clariion, EMC Symmetrix.
  • Installed db2 udb databases, applied fix paks.
  • Configured TSM Server and TSM clients on AIX servers
  • Performance monitoring and tuning using various AIX commands (vmo, no, io, vmstat, iostat, topas, nmon)
  • Documented system parameters and Backup and Disaster recovery Processes
  • Worked with (Application support, H/W support, vendor support) and getting the problem fixed within the given time frame
  • Used acquired skills to prioritize and resolve issues in a timely manner and documented the works performed

Environment: IBM AIX 5.2/5.3 Servers in IBM P520, P550, P561, P575, HACMP, EMC Symmetrix, EMC Clariion, Linux 8.0, DB2, SAP R/3,Linux Enterprise Server, Windows 2000/2003 servers, TSM Servers.

Confidential,St Petersburg, FL SEP 2005 – Nov 2006

AIX administrator

  • Installation and upgrade of operating systems for AIX 4.3-5.1/ 5.2, 5.3.
  • Experience on IBM power5 (p595, p590, p550, p520) and power4 (p690, p630) machines.
  • Installed and configured VIOS through HMC and NIM.
  • Automated the Virtual I/O Server and HMC backups.
  • Installed and configured Logical Partitions technology (LPARS).
  • Planning, configuring storage using LVM on AIX 5.1, 5.2, 5.3.
  • Performed installation, planning and configuration of Disaster Recovery Management (DRM) using TSM servers.
  • Updated the System Firmware for IBM power5 and power4 machines.
  • Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers.
  • Extensively used nimadm, alt_disk_install techniques. Used nim_move_up application to migrate AIX 5.1 to AIX 5.3 system onto a LPAR residing on a p5 590 server. Created system image backups after the migration.
  • Backed up and restored data
  • Configured NIM environment and performed network installation of AIX
  • Configured IBM AIX servers using SMIT and WSM
  • Configured and troubleshot HACMP.
  • Configured IBM HTTP Servers using SMIT in AIX
  • Configured NFS and NIS domain
  • Application and in-house software installations
  • Scheduled tasks using CRON and AT CLI utilities

Environment: IBM AIX (5.3, 5.2, 5.1, 4.3.3), pSeries servers (p595, p590, p550, p520, p670, p630), H80, S80, F50, LPAR, VIO, MQ, IBM Power4/Power5 HMC, IBM HTTP Server, Apache Web Server, NIM

Confidential,Chennai, India Jul 2004– Aug 2005

Systems Engineer

  • Installed and managed several IBM RS/6000 AIX systems which include disk management, user management, network management, performance management, test and development projects running on AIX 4.3.
  • Design, implement, and maintain AIX solutions for Tier I applications, including multiple database servers.
  • Software and Hardware upgrades of AIX systems installed and worked on various Volume managers.
  • Provided global 24 x 7 System Administration Support for AIX V4L based servers for all IBM pSeries clients remotely.
  • Expertises in NIM installation, setting up NIM servers, clients, define various NIM resources like lpp source, spot, mksysb, image.data, bosinst.data.
  • Alternate disk installation using alt_clone and alt_mksyb and NIM alternate disk migration.
  • Experience in system backups using mksysb, mkdvd, savevg, savevgcd via NIM.
  • Configured NFS and NIS domain
  • Performed application and in-house software installations
  • Scheduled tasks using CRON and AT CLI utilities
  • Documented system parameters and Backup and Disaster recovery Processes
  • Worked with (Application support, H/W support, vendor support etc.,) and got the problem fixed within the given time frame

Environment: AIX 4.3, AIX 5.1, p670, p630, H80, S80, F50, Apache Web server, Oracle.

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