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.