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Aix Administrator Resume

Plano, TX

Professional Summary

  • Over 7 years of experience in AIX System Management in IBM AIX (4.x/5.x/6.x), Sun Solaris (8, 9, 10), Red Hat Linux (6.2/7/9), HP-UX (B.11.31)
  • Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup and recovery and upgrades of IBM AIX and Linux (Red Hat & SUSE).
  • Excellent knowledge in IBM AIX hardware components (RS/6000, pSeries), troubleshooting and maintenance.
  • Good knowledge with installing AIX on LPAR, VIO server and client using NIM and other installation methods.
  • Good knowledge of backup and recovery for AIX/Linux.
  • Expertise in installation, Configuration and Troubleshooting of High Availability Clusters (HACMP/TSA).
  • Responsible for performance tuning of AIX systems, applying upgrades to AIX (current version 5.3.x to upgrade 6.1).
  • Expertise in doing NIM Installation, DHCP installations on AIX 5.2/5.3,6.1.
  • Experience configuring VLANs on IBM Bladecenter, handled issues related to Management Module.
  • Experienced in building LPARS, DLPAR resources for pSeries.
  • Everyday Network administration tasks - adding and removing users file and share permissions, trust management, replication management, server backups, and server setups.
  • Experience monitoring and changing file system usage.
  • Installation of patches, security fixes, e-fixes, packages on AIX, Sun Solaris, Linux and Windows NT/2000 Servers.
  • Experienced in writing scripts such as Korn Shell (ksh).
  • Experience in configuring and administration in Storage Area Network (SAN) and Network Attached Storage (NAS).
  • Experienced in DNS, NIS, NFS, LDAP, send mail, ftp, remote access, security management, and system troubleshooting skills.
  • Installed and configured Tivoli Storage Management (TSM) server and Tivoli System Automation (TSA).
  • Provided UNIX infrastructure, operations and support for IBM RS/6000 (7026-M80) servers and pSeries servers running IBM AIX (5.1, 5.2,5.3,6.1), Red Hat Linux (7/8/9) and Sun Solaris (8/9/10).
  • Provided 24X7 production support.
  • TroubleshootingVMware ESX server related issues, maintaining their virtual server environment, creating and deleting virtual servers and backup scheduling.
  • Excellent team-oriented worker and ability to quickly adopt and work under minimal supervision.
  • Experience in working on HP-ILO troubleshooting HP-UX partitions.
  • Experience in doing rootvg migration from EMC to SVC array.
Technical Skills

Operating Systems

IBM AIX (4.3, 5.1, 5.2, 5.3,6.1), Red Hat Linux (6/7/8/9), HP-UX, Solaris (8/9/10), Windows 03/00/NT4.0.

Web Servers

Apache Http Server, IIS 4.0/5.0, MQ Series, Websphere, Tomcat, Web logic.

Languages

JavaScript, HTML, XML, UML, WML, JAVA,K, C, C++,Korn Shell programming.

Databases

Oracle 8i/9i/10g, DB2, MS SQL SERVER 7.0/2000, Sybase.

Networking

TCP/IP, DNS, DHCP, Cisco Routers/Switches, and LAN/WAN.

Hardware

IBM RS/6000, IBM Bladecenter, JS20, JS21, JS22,JS43, HS20, pSeries 570, 590, 595, 650, 630, 670, 770,720,795, BladeCenter E/BCT/BCHT/S chassis, Dell 1950, Dell 2650, Dell 2850, Sun V440.

Other Skills

LPAR, NIM, LDAP, TSM IBM tape libraries,VMwareWorkstation, ,Informatica/ETL Developer.

Professional Expérience

Confidential, Plano, TX UNIX \\ AIX Administrator April 2010 - Present

Confidential, is a world leader in convenient snacks, foods and beverages with revenues of more than $60 billion and over 285,000 employees.

  • Worked as UNIX/AIX Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
  • Working as a Production support AIX admin and all environments in PepsiCo.
  • Worked in Building LPARs in Blade server JS21,JS43 and P6,P7, p570,p520,p770,p795.
  • Worked as a AIX admin in migrating LPAR's from one data center to other data center.
  • Experienced in configuring VIO servers on Power6 p570 and p520.
  • Created virtual adapters in VIO servers and configured the Ethernet Adapter.
  • Hardening and operational delivery, performance enhancement of file systems, which is setup using LVM (Logical Volume Manager) and with loadbalance and distribute data functionality.
  • Handled Kernel Tuning to provide operating system performance.
  • Provided infrastructure, operations and support for IBM RS/6000 servers and pSeries servers running IBM AIX 5.1, 5.2, 5.3, 6.1.
  • Performed installation, periodic maintenance updates and applied APAR fixes.
  • Upgrade the TL level from 02 to 05 on AIX 6.1 Power6 p570,p770,p795 and p595.
  • Upgraded the Power Path and Java version on all AIX servers.
  • Performed installation and upgrades on multiple systems using Network Installation Management (NIM).
  • Installed and tested patches on servers.
  • Handled moving of resources from one node to other node using TSA. Configured Tivoli System Automation (TSA) server.
  • Responsible for performance tuning of AIX systems, applying upgrades to AIX (current version 4.3.x to upgrade 5.2,5.3,6.1)
  • Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
  • Maintained availability, increased capacity & performance of production machines by upgrading their hardware (disks, CPU, memory, IO board, power cooling unit, mother board etc) & firmware.
  • Maintained system security protecting the data on the system by modifying the file and directory permission. Analyzed system performance, performed reallocation of kernel resources.
  • Configured VLANs on IBM Bladecenter.
  • Performed process automation, scheduling of processes using CRON jobs.
  • Worked with DBA team in tuning kernel parameters for database setup and performance.
  • Worked on Database of DB2 and helped in starting and shut down of server.
  • Worked in the project of configuring NIS Servers (Master and Slave) and NIS clients and maintained system and custom configuration files in NIS maps.
  • Monitored error logs, provided solution to the application team.
  • Maintained intranet DNS environment by configuring Primary and Secondary Domain Name Servers and DNS clients.
  • Provided UNIX infrastructure, operations and support for IBM RS/6000 (7026-M80) servers and pSeries servers running IBM AIX (4.3.3, 5.1, 5.2,6.1), Red Hat Linux (7/8/9) and Sun Solaris (8/9/10).
  • Performed administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management.

Confidential, Tampa, FL UNIX \\ AIX Administrator Dec 2008 - Jan 2010

Mosaic is the world\'s leading producer and marketer of concentrated phosphate and potash, two of the primary nutrients required to grow the food the world needs. Mosaic was formed in 2004 through the combination of IMC Global Inc. and the crop nutrition business of Cargill, Incorporated. Headquartered in Plymouth, Minnesota, we employapproximately 7,400 people inten countries.

  • Worked as UNIX \\ AIX Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
  • Responsible for Installing, configuring & maintaining RedHat Linux, Suse and HP-UX
  • Hardening and operational delivery, performance enhancement of filesystems, which is setup using LVM (Logical Volume Manager) and with loadbalance and distribute data functionality.
  • Handled Kernel Tuning to provide operating system performance.
  • Provided infrastructure, operations and support for IBM RS/6000 servers and pSeries servers running IBM AIX 5.1, 5.2, 5.3,6.1.
  • Performed installation, periodic maintenance updates and applied APAR fixes.
  • Performed installation and upgrades on multiple systems using Network Installation Management (NIM).
  • Installed and tested patches on servers.
  • Installed and configured Tivoli Storage Management (TSM) server.
  • Experienced in disaster recovery from TSM and Netbackup and setting TSM disaster recovery policies.
  • Expertise in installation, Configuration and Troubleshooting of High Availability Clusters (HACMP).
  • Responsible for performance tuning of AIX systems, applying upgrades to AIX (current version 4.3.x to upgrade 5.2,5.3,6.1)
  • Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
  • Maintained availability, increased capacity & performance of production machines by upgrading their hardware (disks, CPU, memory, IO board, power cooling unit, mother board etc) & firmware.
  • Maintained system security protecting the data on the system by modifying the file and directory permission. Analyzed system performance, performed reallocation of kernel resources.
  • Configured VLANs on IBM Bladecenter.
  • Performed process automation, scheduling of processes using CRON jobs.
  • Worked with DBA team in tuning kernel parameters for database setup and performance.
  • Worked on Database of MS SQL and helped in starting and shut down of server.
  • Worked in the project of configuring NIS Servers (Master and Slave) and NIS clients and maintained system and custom configuration files in NIS maps.
  • Monitored error logs, provided solution to the application team.
  • Maintained intranet DNS environment by configuring Primary and Secondary Domain Name Servers and DNS clients.
  • Provided UNIX infrastructure, operations and support for IBM RS/6000 (7026-M80) servers and pSeries servers running IBM AIX (4.3.3, 5.1, 5.2,6.1), Red Hat Linux (7/8/9) and Sun Solaris (8/9/10).
  • Installation/Optimization for TSM clients. Evaluate, installed, modified, configured, tested, and recommended ways to optimize Tivoli Storage Manager (TSM) client software so as to improve efficiency of the enterprise backup and recovery system.
  • Performed administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management.

Confidential, CHICAGO AIX System Administrator March 2008 - Oct 2008

Confidential, is a leading global financial services firm with assets of $2 trillion and operations in more than 60 countries. The firm is a leader in investment banking, financial services for consumers, small business and commercial banking, financial transaction processing, asset management, and private equity.

  • Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
  • Responsible for event processing, change management and problem determination in HACMP environment.
  • Administration of IBM RS/6000, RS/6000 SP servers running on AIX 5L for support of PeopleSoft Financials and HRMS Environment on Oracle 7.3.x., DNS, FTP and Legato tape backup.
  • System & Backup management using IBM ADSM Backup Server.
  • Proficient in HACMP v 5.1. Administering and troubleshooting of AIX HACMP Cluster.
  • Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
  • Developed Shell scripts (Korn/Bourne) for automating the batch jobs.
  • Worked in the project of configuring NIS Servers (Master and Slave) and NIS clients and maintained system and custom configuration files in NIS maps.
  • Extensively used LVM, created VGs, LVs, and disk mirroring.
  • Experienced in disaster recovery from TSM and Netbackup and setting TSM disaster recovery policies.
  • Expertise in installation, Configuration and Troubleshooting of High Availability Clusters (HACMP).
  • Monitored the system files spaces & error logs to make sure the system performance.
  • Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
  • Performed maintenance on AIX RS/6000 machines, such as tape and hard drive replacements, adding print queues, and making and changing logical volumes and file systems.
  • Provided UNIX infrastructure, operations and support for IBM RS/6000 (7026-M80) servers and pSeries servers running IBM AIX (4.3.3, 5.1, 5.2), Red Hat Linux (7/8/9) and Sun Solaris (8/9/10).
  • Experienced in DNS, NIS, NFS, LDAP, send mail, ftp, remote access, security management, and system troubleshooting skills.
  • Provided 24X7 supports on pager rotation basis remotely for all the stores.
  • Excellent team-oriented worker and ability to quickly adopt and work under minimal supervision

Confidential, India UNIX System Administration Jan 2005 - Feb 2006

  • Administrated around 18 Solaris and 25 Unix Servers including development, Staging and Production mission critical servers.
  • Built UNIX and Solaris Servers follow the company standard.
  • Administrated DNS, NFS and SAMBA Servers.
  • Administrated AIX/Windows servers.
  • Responsible for Level 1 support for production servers.
  • Closely worked with Developers help them to resolve their issues ASAP.
  • Handled daily server maintenance tasks.
  • Worked independently on projects.
EducationAnd Certification
  • Bachelors in Information Technology
  • IBM Certified pSeries LINUX/VIO System Administrator

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