An IT Professional with 8+ years of IT Experience in System Administration, Technical support, maintenance, upgrades, installation, configuration, and tuning of AIX & Linux operating systems.

TECHNICAL SUMMARY

• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of IBM AIX, Linux Servers.
• Experience in Administration of AIX 4.3, 5.1, 5.2, 5.3, 6.1 and 7.1.
• Experience in Installation of patches, packages and application software.
• Migration of AIX OS from AIX 5.3 to 6.1 on Servers 510,550,570,595,630, 670,720,740,750.
• Experience in configuration and maintenance of NFS, DNS, NIS/NIS+, DHCP, SMTP, and Networking with TCP/IP.
• Experience in DNS, NIS, NFS, LDAP, send mail, ftp, remote access, security management, and system troubleshooting skills.
• Administration of weekly mksysb backup on AIX servers.
• Have worked on implementing SAN attached storage to Windows servers connected to EMC.
• Experienced with installing the operating system and applications on AIX 5.2/5.3 using NIM installation method by creating NIM master and client with lppsource and spot.
• Experience in UNIX Network System Administration including creating new users and groups with multi-level of security, creating and assigning file attributes and permissions, defining network protocols insuring TCP/IP and router connectivity.
• Experienced in installation and Configuring VIO 2.1, 2.2.
• Experience in installation of Oracle database servers 10g, 11g, DB2 and SAP on AIX.
• Good knowledge in User account administration, adding/creating devices, patching, setting up cron jobs, UNIX backup/restore and changing kernel parameters.
• Experience in writing scripts like Korn Shell (ksh).
• Experienced and familiar with tools like SMIT and SMITTY.
• Experienced in installing new software on AIX 4.3/5.2/5.3/6.1 Boxes, Upgrading the technology level, adding network printers and conducting time-to-time system administration.
• Experience in configuring Logical Unit Number (LUN) in SAN environment having IBM Total storage DS 4300, EMC.
• Hands on Experience of Installation of Communication Mediums (Fiber Opt, GbE, E1/T1/DS1) Network Management System, Intelligent Switching.
• Have worked in the Environment AIX 7.1/6.1/5.3/5.2, Solaris, Linux, Windows, IBM 3585storage, IBM DS8100.
• Day to day administration of the Development, Production and Test environment systems.
• Customer services and technical skills as well as the ability to communicate effectively with all levels of management and the client community.

PROFESSIONAL EXPERIENCE

Confidential, Livingston, NJ January 2012 – Present UNIX/AIX System Specialist

• Responsible for all aspects of AIX System Administration and support for pSeries on P6 550’s, 570’s, P7 p720, p740, p750 servers. Which includes OS installation and upgrade, OS problem resolution, application of OS fixes installation of application.
• Installation, maintenance and administration of AIX 6.1, 7.1 on pSeries servers.
• Disk Management including migrating partitions, replacing disk, mirroring, unmirroring the disk.
• File systems management including file system corruption check in maintenance mode.
• Installed and configured VIO2.2 server and VIO client Profiles.
• Responsible for installation and Firmware Upgrading of HMC.
• Administering and troubleshooting of AIX HACMP Cluster.
• Extensive use of LVM, creating Volume Groups, Logical volumes.
• Installation and Configuration of NIM. Configuring the NIM Master and assigning the clients. Taking the mksysb’s of the NIM client on the NIM Master.
• System administration including user, system & group management, system updates, performance monitoring, backup/recovery, disk & storage management
• Software, administration of user accounts, system configuration, troubleshooting, system monitoring, system tuning, security updates, hardware maintenance, disk usage maintenance etc
• Predefined and Customized Volume Group management on AIX.
• Configuration and administration of Live Partition Mobility (LPM) on P6, P7 servers.
• Installation of Components through Blade Logic Console.
• Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS).
• Performance Management & Tuning of AIX/UNIX Kernel.
• Secured the internet services with TCP/IP wrappers.
• Network trouble shooting, performance, and resource monitoring.
• Maintaining updated documentation of all the Servers and the installed applications.
• Experience in analyzing logs, problem determination, and Recovery and restart.
• Applying software maintenance, program fixes and maintaining the system software releases current.
• Building automated scripts for taking the HMC, VIO and Lpar backup.
• Knowledge in installing EMC Master Agent ECC (EMC Control Center).

Confidential, Buffalo, NY August 2011 – December 2011 UNIX/AIX System Specialist

• Experienced in configuring IBM P5 to p7 series servers. Extensively worked on p 6 550’s, 570’s P 7 p720, p740 server.
• Knowledge on Installation, Migration, Configuring AIX 5.1, 5.2, 5.3, 6.1 and 7.1.
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
• Good hands on NIM installation, setting up NIM servers, clients, Alternate Disk Migration, defining the resources
• Knowledge in configuring multiple logical subsystems utilizing IBM HMC, including LPAR configuration, dynamically change DLPARs configuration profiles, resource allocation with thresholds.
• Installation, Configuration and administration of LPAR Profiles.
• Assigning Resources like memory, processors to LPAR Dynamically.
• Installation and administration of VIO 2.2 Server and VIO client Profiles.
• Handled mirroring and unmirroring using Logical Volume Manager (LVM).
• Experience in installing the components like Big Brother, Power Broker, Power keeper, Blade Logic.
• Knowledge in installing EMC Master Agent ECC (EMC Control Center).
• Performed User Account Management and user’s logon support.
• Installed and configured SUDO for users to access the root privileges.
• AIX system administration and disk management using SMIT.
• Restoring the server from the mksysb image and bringing up the server
• Experienced in Installation, maintenance and PatchingAIX & Linux Servers.
• Responsible for installation and Upgrading the HMC.
• Networking service, performance and resource monitoring.
• Designed and Implemented System Security administration policies.
• Evaluated performance and resource problems (sar, vmstat, iostat, netstat).
• Time to Time Support of Applications running on the AIX Servers.
• Day to Day monitoring of Systems with Remedy Incident Management and Change management System for handling tickets and Work order.

Confidential, NJ August 2010 – July 2011 UNIX/AIX System Administrator

• Experienced in implementation, installation, configuration, maintenance, performance tuning, trouble shooting and user management in IBM AIX System.
• Experience in installation, configuration, and administration of IBM AIX, Linux, and Solaris servers.
• Installed and configured IBM p5, p6, p7 595s, 570s, p505s, p550s, and p520s with AIX 5.3/6.1, HMC + AIX LPARS development, test, and production environments on RS/6000, Power systems/pSeries5/pSeries4 and in a multi-LPAR environment.
• Responsible for taking system backups mksysb, mkcd, savevg and savevgcd; also make system backup through NIM, making archives of files and folders.
• Worked in configuring HMCs in privet network, updating HMC to latest level, upgrading firmware on the systems using HMC.
• Setup Virtual I/O server and configured different LPARS per CPU.
• Experience in Installation and configuration of NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers.
• Designed and implemented SAN infrastructure and SAN Virtualization.
• Experience in Installing, configuring and maintaining Web Sphere Application Server and DB2 Server.
• Experienced in Configuration of Work Load Management (WLM) for IBM Web Sphere Application Server.
• Experience in configuring Logical Unit Number (LUN) in SAN environment having IBM Total storage DS 4300, DS800, and EMC.
• Involved in planning and configuring SAN storage (Tivoli Storage Manager) and assign storage to servers as required.
• Managed Global Mirroring of data between different storage devices for disaster recovery.
• Experience in analyzing logs, problem determination, and Recovery and restart.
• Applying software maintenance, program fixes and maintaining the system software releases current.

Confidential, Seattle, WA March 2007 – July 2010 UNIX/AIX System Administrator

• Installation, Administration, Maintenance and support for AIX Servers at 5.1, 5.2,5.3, and 6.1 Performed New and migration installations on p4, p5, p6 and p7 Servers.
• Proficiency in LVM Creating/Modifying/Deleting Volume Groups, Logical Volumes and File systems. Adding/ removing physical disks, Mirrored Volume Groups and Logical Volumes.
• Knowledge in troubleshooting, performance tuning and capacity planning, and Troubleshooting of issues with minimal down time or no outage during working hours and have backup plan for critical Production Servers
• Experienced in creating and managing LPAR profiles and system profiles, Designed, implemented and configured logical partitions (LPAR) and Dynamic LPAR on p5 520 and p5 575, p5 590, and p5 595 servers using HMC.
• Good hands in upgrading AIX 5.2, 5.3 from various TL’s to AIX 6.1 TL4, TL5, TL6 and AIX 7.1 TL 0.
• Installation of patches, Security fixes, packages on AIX, Linux and Windows NT/2000 Servers.
• Setup of VIO servers, VIO clients, upgrading the VIO server from 1.3 to 1.5 versions.
• Configuration and Administration of HACMP 4.5, 5.1, 5.2, 5.3, 6.1.
• Installation and Configuration of NIM. Configuring the NIM Master and assigning the clients. Taking the mksysb’s of the NIM client on the NIM Master.
• Experienced in using Lightweight Directory Access Protocol (LDAP).
• Define and setup network protocols, Network File System (NFS) and Network Information Services (NIS).
• Experienced in Tivoli Storage Manager, Managing LVMand File systems, SRC and Paging space management, restore and availability, Monitoring System / Network Performance.
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, TCP/IP, ARP, applications and print servers to insure optimal networking, application and printing functionality.
• Setup and administration of DNS server, VMware.
• Worked with UNIX Engineering team and deploy the new Architecture and provide technical Specs for Hardware purchase as required.

Confidential March 2004 – January 2007 System Administrator

• Performed customized installation and configuration on AIX/Solaris/RHEL.
• Installation and Administration of Linux servers and IBM RS/6000.
• Configured volume groups and logical volumes, extended logical volumes for file system growth using Logical Volume Manager (LVM) commands.
• Determined and troubleshoot problems related to Software installation, hardware problems, Disk-space requirements, file system problems, paging space and also device related problems.
• Setup backup/archive policies using mksysb images of root volume group to meet data archiving requirements and disaster recovery readiness.
• Maintaining and monitoring the file systems on AIX servers.
• Maintaining and monitoring the file systems on AIX (5.1/5.2./5.3) servers.
• Monitored Systems performance and tuning tools.
• Experienced in setting up TCP/IP for the servers and work station.
• Created file systems; manage the integrity of file systems.
• Monitored system resource usage; performed backup and recovery routines.
• Configured Networkprinters, Managing Queues and troubleshooting.

EDUCATION

• Bachelor of Electronic and Communication Engineering
• Masters in Computer Engineering.