OBJECTIVE: Seeking a position of a Systems Administrator in an AIX/UNIX environment that further utilizes my skills and abilities.

CANDIDATE PROFILE:

• Over 5 years of Industry experience in System Admin. specializing in AIX 5.1, 5.2, 5.3, 6.1 & 7.1 OS
• Experience in creating and managing LPARs on different IBM servers like p550, p570, p590, p595, p630, p650, p670, p690 and p770
• Experienced with installing and upgrading operating system on client using various methods including NIM installation using and creating lpp_source and SPOT
• Installation, configuration and administration of VIO server and VIO client LPAR’S via HMC and configuration of the virtual devices and adding/removing devices using DLPAR.
• Experience in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of IBM eServer pSeries p7, p6, p5 and p4 Servers
• Installation of patches, packages and application software on AIX 5.1/5.2/5.3/6.1/7.1, and LINUX Servers
• Experienced in maintenance and troubleshooting of HACMP 5.3/5.4 and Performed HACMP Failover and Fallback
• Configured HACMP 5.3 to monitor, detect and react to failure events, allowing the system to stay available during random, unexpected software problems
• Involved in configuring cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products
• Strong knowledge in User Account Administration, adding and creating devices, patching, AIX backup/restore and changing kernel parameters
• Adept at monitoring and managing file system usage, hardware and system process failures
• Day to day administration of the Development, Production and Test environment systems
• Highly motivated Team Player with Excellent Communication skills and Problem Solving abilities. Can work independently or as part of a team

TECHNICAL SKILLS:

IBM-AIX (5.1, 5.2, 5.3, 6.1), UNIX, Linux (Red Hat), Windows Server 2000 /2003.

Programming/Scripting Languages:

Korn Shell Scripting, Java, VB.Net, SQL, HTML

Networking:

TCP/IP, LAN, SAN, NAS, NIS, NFS, DNS, Send mail, DHCP, SMTP, VPN, Switches & Routers.

Web / Application / DB Servers:

WebSphere Application Server, WebLogic Sever, IBM HTTP Server, FreeNAS, VMware, DB2, ERP, MySQL.

Applications:

MS Office, HACMP, Tivoli Storage Manager (TSM)

PROFESSIONAL EXPERIENCE:

AIX System Administrator May 2008 – Present
Client: Confidential Chalfont, PA

Responsibilities:

• Responsible for all aspects of AIX System Administration and support for all pSeries servers such as: OS installation and upgrade, OS problem resolution, application of OS fixes, installation of application software, administration of user accounts, system configuration, troubleshooting, system monitoring, system tuning, security updates, hardware maintenance, disk usage maintenance, etc.
• Perform troubleshooting, performance tuning and capacity planning, and troubleshooting of issues with minimal down time or no outage during working hours and have backup plans for critical Production Servers
• Installation and Configuration of Network Installation Manager (NIM), configuring the NIM master and assigning the clients and taking the mksysb of the NIM client on the NIM master
• Restoring the server from the mksysb image and bringing up the server
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Configuration and administration of Fiber Adapter’s and handling SAN disks on AIX
• Experience working on HMC, installing and configuring VIO Server, LPARs/DLPARs and subsequent maintenance and administration
• Create /Installed/Configured Single Virtual I/O server with MPIO access to storage.
• Created/Installed/Configured Dual Virtual I/O servers on p6-570 with SEA failover on p6-570.
• Performed testing to verify failover and fallback of Dual VIO server on p6-570.
• 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.
• Security, users, groups’ administration and daily backup and restore operations, networking service, performance, and resource monitoring.
• Experienced in monitoring system performance on slow servers and check the errpt and also status of the system using utilities such as TOPAS, SAR, NMON, VMSTAT and IOSTAT.
• Gathered performance statistics on the nodes and tuned them to meet the requirements and documented the modified configuration.
• Experience in setting up full networking services and protocols including NIS/NFS, DNS, SSH, DHCP, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Experienced in creating Logical Partitions (LPARs) on Tivoli Storage Manager (TSM), EMC storage, IBM Systems.
• TCP/IP Configuration like assigning IP addresses, configuring network interfaces, assigning static routes, hostnames etc.

ENVIRONMENT: AIX (5.1, 5.2, 5.3, 6.1), Linux, Windows, VMware, Oracle DB2, pSeries servers, Virtualization, NIM, LPARs, WPARs, DLPARs, WebSphere, TSM, HACMP.

System Administrator Nov 2006 – Apr 2008
Client: Confidential. Toronto, Canada

Responsibilities:

• Worked as AIX Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives
• Experience with installations, configuration, upgrade and administration of IBM pSeries and Power5/Power6 servers on various levels of AIX operating system environments
• Experience with NIM installation, setting up NIM servers and clients and defining various NIM resources like lpp_source, SPOT, mksysb, image.data, bosinst.data.
• Configured lpp_source and SPOT in NIM server and installed AIX on NIM clients using NIM master server
• Created and managed users, managed user and file system quotas, set up network printers and installed client server applications
• Created raw volumes and file systems on AIX for Oracle databases, which will be used as raw data file by the Oracle databases
• Administration and troubleshooting of HACMP clusters
• Create standard LPAR, performing DLPAR operations to manage recourses between machines
• Expertise in Logical Volume Management(LVM) and Disk Management
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands
• Performed administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management
• Maintained availability, increased capacity & performance of production machines by upgrading their hardware & firmware
• Managing cron jobs, batch processing and job scheduling.
• Installation and maintenance of various hardware and software and peripherals
• Security, users and groups administration
• System and backup management using mksysb and daily restore and backup operations
• Performance management and tuning of AIX UNIX kernel
• Other standard system administration tasks performed, such as system monitoring, performance usage, network support, and user support

ENVIRONMENT: AIX (5.1, 5.2, 5.3, 6.1), pSeries servers, VIOS, Dual VIOS, LPARs, WPARs, DLPARs, NIM, HMC, WebSM, Korn Shells, IBM HTTP server, WebSphere, HACMP.

EDUCATION & CERTIFICATIONS:

• M.S. in Information Systems
• IBM Certified System Administrator – AIX 6.1
• B.S. in Industrial Engineering