SUMMARY:

• Over 8+ years of experience in different areas of System Administration Support Design, Implementation, Maintenance, Tuning and Troubleshooting of Servers running on IBM AIX 5.1/5.2/5.3/6.1/7.1, UNIX, Linux Red hat release 5.4,6.4 and Win NT/2000 Servers.
• Used Hardware Management Console (HMC) to build and partition the latest P4 Regattas and P5 Squadrons.
• Used VMware server / vSphere Client 5.1 to build Linux virtual partition.
• Used HP OPEN VIEW to monitor production environment.
• Experienced working with Symantec Enterprise Security Manager (EXM) 11.0 to run OS security Standard on newly build servers.
• Working knowledge of running QC report on HP Application Lifecycle Management 11.00.
• Experience running Health Check and Tivoli push monitoring using Enterprise Q 5.10.
• Experienced working with Sudoers file, push Sudo job and maintain Unix Available & Unavailable servers in Blade logic 7.6.0.115
• Experienced with Power VM - virtualization Vio setup, Profile creation, Configuration etc.
• Experienced with HMC administration and NIM Installations of LPARs.
• Experienced Systems Administrator with IBM Pseries, LPAR capable - Regatta P615, P630, P650, P690,P770 and RS/6000 support experience and IBM System z9 mainframe.
• Worked on the latest P5 server (P590), (P595) and P6 server /AIX 5.3, 6.1 involving installing VI/O server, creating virtual LPARS/ DLPARS, implementing micro-partitioning, virtualization and shared Ethernet.
• Experience in planning and implementation of HACMP systems.
• Hands on Experience in Installation, configuration and maintenance of HACMP V 4.5/5.1/5.2/5.3 as well as VERITAS Cluster on AIX V5.3/6.1/7.1 and Linux 5.4,6.4
• Hands on Experience in Linux User management Creation of users and Groups Understanding /etc/passwd,/etc/group, and /etc/shadow.
• Experience in Managing Linux partitions, Disk partitioning, Understanding and creating files system ext/2 to ext/3, converting file system ext/3 to ext/2.
• Experience in Understand and Configuring /etc/fstab and /etc/mtab configuration files.
• Extensively experienced with various methods of AIX Installation/Migration using alternate disk installation, Network Installation Manager (NIM).
• Experience in Setting up NIM servers and clients for New & Complete Overwrite/Migration Installation management
• Experienced in migrating AIX V4.3/V5.1 to AIX V5.2/V5.3/V6.1 using alternate disk installation method.
• Troubleshoot NIS, NFS, DNS and other network issues, Create dump files, backups and move data.
• Expertise in Automating processes like start server, stop server, etc., using Shell Scripting.
• Experience in Installation and configuration IBM Tivoli Network Storage Manager (TSM) client & Server software backup and recovery solutions - and documented.
• Experience in administration of SAN storage DS600/DS6800.
• Experience in storage optimization and storage refresh, moving server behind SVC, installation of SDDPCM drivers.
• Experience working with EMC storage, running EMCgrabe and Explorer on different flavor of Unix Servers.
• Experience in monitoring the availability & performance of AIX Servers through tools like vmstat, TOPAZ.
• Experience in installing, configuring and administering Unix Utilities like SUDO.
• Experience in Installation, Configuration and Testing of Team Quest Performance Software Application on AIX Hosts.
• Quick learner and team player with strong analytical, trouble-shooting and communication skills.
• Experience in providing on-call support as well as 24/7 support to offshore team

TECHNICAL SKILLS:

Operating Systems: Windows NT 4.0/2000, AIX 4.3.3, 5.1, 5.2, 5.3, 6.1, Solaris 7, Red Hat Linux 5.x, 6.x

Hardware: Sun Enterprise Server 3000, IBM/6000, IBM series /RS 6000, UltraSPARC, Dell Power-Edge 4300 Series, RAID, Power4 (p630, 650), POWER5 (p550), POWER 5+ (p520), Power 6, Power 7, IBM System z9

J2EE Technologies: J2EE1.3, Java2.0, Servlet2.3, EJB2.0, JSP1.2, Java Beans, RMI, CORBA, Java Swing /AWT, XML, HTML, DHTML, VBScript, JavaScript, ANT Scripting, Unix Shell Programming, PL/SQL, C, C++, COBOL, VB 6.0, PERL

RDBMS/DBMS: DB2 UDB, Oracle 8.x/9.x, Sybase, SQL Server

Protocols: TCP/IP, UDP/IP, SMTP, NAT, OPSEC, SNMP AND DHCP

Network: WINS, DNS, Legato Networker, Tivoli storage manager, Solstice disk Suite, Norton Antivirus, BMC Patrol, Performance Co-Pilot, NetIQ Performance Monitor, Distinct Network Monitor, Distinct Network Associates, Sniffer Protocol Analyzer, Veritas Backup Software, ARCserve Backup software Exceed

Storage: SCSI, SSA, RAID, FAStT, ESS, SAN, IBM Tape Libraries

LAN/WAN: Netopia Routers, Hubs, Cisco Catalyst 2924XL, 2948G Switches, LAN Cabling, and Network Setup/Installation

Firewall: Checkpoint NG firewall, Cisco PIX (501, 506) firewall, Clavister, NetASQ, checkpoint VPN

Security: RADIUS, TACACS

PROFESSIONAL EXPERIENCE:

Confidential, Columbus OH

UNIX Admin

Responsibilities:

• Responsible for Installation, migration and maintenance of AIX operating systems 5.3/6.1/7.1.
• Responsible for Intallation of RHEL 5X and 6X using kickstart thru vmware.
• Responsible for Device management, including adding, changing, and configuring physical and logical devices.
• Experience in performing System Administration and performance monitoring Task on AIX and Linux servers.
• Experience in Server OS Installation, TL installation and management. Using alternate disk installation method for the same for critical servers to reduce down time
• Installing various software’s as per Apps/DB team’s request.
• VIO Server operations, assigning LUNs to LPARs and performing other troubleshooting techniques, Dynamically add, remove and move resources in the LPARs.
• Experience in Hot plug CPU and Memorry on Linux virtual server, Linux patch using yum update.
• LPAR operations including: configuring and using system profiles, and activating and shutting down partitions, Power on/off partitions.
• Experience in working with SOX servers and resolve quaries coming from SOX auditors.
• Experience in working in user creation, modification and lock user on AIX and Linux servers.
• Responsible on maintaining monthly and quarterly user acess on SOX and PCI servers.
• Responsible working with IBM on HMC call home, System P hardware and AIX 5.3/6.1/7./1 OS issue.
• Experience in using BMC Remedy tool. And provide 24/7 support in Production environment.

UNIX Support

Responsibilities:

• Build Linux server, installing kickstart image 5.1 and 6.1 using VMware vSphere client 5.3.
• Build AIX Lpar, NPIV,VSCSI and Standalone profile using HMC.
• Build Linux using VMware Vsphere client 5.5.
• Install Linux 5.X and 6.X using kickstart images and configure as per client requirement.
• Responsible for run QA test on new build servers before push them to production using various tools like Enterprise Q, HP Application Management and ESM Console.
• Install AIX 6.1 and 7.1 OS Images using NIM and have working knowledge on SMS menu.
• Responsible for working on documentation of newly build servers using ESM console and HP Application Lifecycle Management.
• Hands on experience on working with client to resolve performance issue using vmstate, svmon, nmon and top commands.
• Responsible for maintain HP OPEN VIEW monitoring tool.
• Working knowledge of user management and NIS.
• Provided 24/7 support to offshore team and NOC.

UNIX Administrator

Responsibilities:

• Installation and maintenance of AIX and Linux Systems.
• Administration of AIX and Linux Operating Systems.
• Administration of NIS in a multi-platform UNIX environment.
• Configured NIM and install clients.
• Build Linux VM as per client requirement using VMware vSphere client.
• Experience in creating Iqoq report, sudoers push and maintain available and unavailable servers using Blade logic.
• Able to configure Tivoli using push monitor from Enterprise Q on new build Linux and Aix servers.
• Experience working on HP Open view monitoring tool to monitor live Production.
• Experience working on iLO, KVM, VMWARE and HMC as per server configuration.
• Experience working on QC and resolve errors, issues on new build server before push them to production.
• Configured TCP/IP for servers and workstations and setup of complete network.
• Responsible to maintain P6,P7 and Mainframe servers on hardware and software level.
• Creating Linux partition on vSphere client, install Linux version 5.4 and 6.4 as per client requirement.
• Linux User management Creation of users and Groups Understanding /etc/passwd,/etc/group, and /etc/shadow.
• Linux partitions, Disk partitioning, Understanding and creating files system ext/2 to ext/3, converting file system ext/3 to ext/2 as well as configuring /etc/fstab and /etc/mtab.
• Used the LVM extensively; Created/Modified/Deleted Volume Groups, Logical Volumes and File systems; Added/Removed physical disks; Mirrored Volume Groups and Logical Volumes.
• Implemented Crontabs, Shell Scripts for automatic back -up.
• Wrote several shell scripts, perform background FTP, distribution of data to other servers, backup operations and management of large volumes of CAD data.
• Experience in Linux VM profile creation and configuration.
• Having knowledge of Decommissioning Unix servers, rack mount new servers as well as disk, power supply, hba replacement and reseat.
• Involved in user, package and patch management and administration.
• Network administration and Network monitoring.
• Experience in providing on call Tier 1 and 2 support.
• Experience in creating and maintaining script and automation using Bourn Shell, KornShell and COBOL.
• Experience in installation, configuration and maintenance of Power VM - Vio servers as well as NPIV and VSCSI lpar.
• Experience in working with different flavor of Storage, EMC, MPIO, HP.
• Hands on experience working on AWS.
• Responsible for successful OS upgrade, Storage Migration, Hardware refresh as well as driver and microcode upgrade.

UNIX Administrator

Responsibilities:

• Experience in providing day to day on call support to customer.
• Expertise in disk mirroring, file system management, volume management, network management in Linux and AIX.
• Responsible for installation, Configuration and Maintains GPFS cluster for application like Websphere, Oracle on P5, P6, P7 and Mainframe Z9 servers
• Performed process automation, scheduling of processes using CRON jobs.
• Hands on experience in built and troubleshoot issue on VIO server and NPIV & VSCSI client.
• Monitoring system performance and check the status of the system using utilities such as vmstat, iostat etc.
• Installation and configuration of Linux Partition using vSphere Client.
• Worked closely with DBAs to install raid, disk areas for Oracle database instance installations, created Bourne shell database startup and shutdown scripts for UNIX servers.
• Responsible for Vio server & client administration, Installation, Configuration.
• Responsible for migration of the EMC storage to IBM SVC storage on Stand alone, VIO and HACMP servers, Oracle RAC, GPFS.
• Experience in creating and maintaining script and automation using Bourn Shell and COBOL.
• Experience in creating and maintaining script and automation using Bourn Shell, KornShell and COBOL.
• Experience working on AWS.
• Setup print queues and definition printing and plotting devices

UNIX Administrator

Responsibilities:

• Responsible for installation, Up gradation, and Migration for AIX 5.3,6.1,7.1 on P5,P6,P7 and Mainframe Z9 servers.
• Performed package installations, maintenance, periodic updates and patch management.
• Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement.
• Installed and configured Veritas Volume Manager and Veritas Cluster Server on Solaris.
• Experience in creating and managing LVM on Linux servers.
• Experience in use of VMware to create Linux Partition and install Linux OS of different release as per client requirement.
• Expertise in disk mirroring, file system management, volume management, network management in Solaris and AIX.
• Performed process automation, scheduling of processes using CRON jobs.
• Installing and troubleshooting of DB2, LDAP, and WebSphere.
• Create database and LDAP instances and configuring LDAP.
• Hands on experience in Linux VM profile creation and configuration.
• Worked on Linux partitions, Disk partitioning, Understanding and creating files system ext/2 to ext/3, converting file system ext/3 to ext/2.
• Monitoring system performance and check the status of the system using utilities such as vmstat, iostat etc.
• Worked closely with DBAs to install raid, disk areas for Oracle database instance installations, created Bourne shell database startup and shutdown scripts for UNIX servers.
• Responsible for Vio server administration, Installation, Configuration.
• Responsible for migration of the EMC storage to IBM SVC storage on Stand alone, VIO and HACMP servers, Oracle RAC, GPFS.
• Backup DIT, Db2 databases, ACLs, POPs and provisioning policies.
• Developed shell scripts for automated installations and to extract logs.
• Experience in analyzing logs, problem determination, and Recovery and restart.
• Configured IBM RS 6000,550,520,610 machines for production, staging and test environments
• Configured SAN DS6800 vai Fiber Cable HBA. Identify LUN.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers
• Configured and administrated standalone and NPIV client Lpar’s
• Hands on experience on server level firmware upgrade and microcode upgrade. .
• Client and server installation via NIM.
• Daily roles included dealing with LVM extensively. Strong hold of LVM.
• Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters. Configuring LUN’s back.
• Experience in creating and maintaining script and automation using Bourn Shell, KornShell and COBOL.
• Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Performed Disk mirroring, backup and restore for better data availability and Disaster Recovery.
• HACMP upgrade from 5.3 to 6.1 and HMC upgrade from 5.x to 6.x to 7.x
• Troubleshooting file system crash, disk space problems, and network problems.
• Experience in HACMP Cluster Management, moving HACMP cluster server behind SVC.
• Providing 24/7 support in Production/Development environment.

UNIX Administrator

Responsibilities:

• Involved in installation of AIX on Enterprise Servers.
• Setup and configured network TCP/IP on AIX nodes including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on the Servers.
• Performed IP networking Parallel System support Programs PSSP High availability Clusters.
• Designed/built p-Squadron LPAR's profile
• Managed Power5 p/i-squadrons 9117-570 using HMC
• Responsible for configuration and deployment of new systems
• Experience in micro- partitioning in power VM and LPAR/DLPAR Provisioning
• Trouble shoot software and hardware problems
• Implemented & installed different Operating Systems on LPARs using NIM, such as Aix 6.x and Aix 5.x.
• Implemented AIX VIO Server & built LPARs with VIO Servers host DASD & Virtual Ethernet
• Install and deploy operating system patches, Security patches and fixes
• Hands-on HW, Networking, Worked with squadrons CEC & Enclosures hardware such as Adapter cards, Storage controllers, and DASD's
• Good knowledge of HMCs: Update HMC code, Manage HMC Users, Configure Network setting for HMC's
• Build, Install, deploy & configure AIX on stand-alone Power4 pSeries Systems.
• Good working knowledge of Installing, Configuring, and Upgrading Blade Center’s Management Module
• Good Knowledge of Installing, and Configuring Blade Center's Gigabyte Ethernet Switches such as Cisco, and Nortel for different subnets using VLAN ID'S
• Upgrade AIX OS to latest Maintenance Levels & Service packs
• Automated the processes like start server, stop server, etc., using perl scripting which we integrated with shell scripting.
• Good knowledge of Applying Online Updates for Patches & Service Pack's for pLinux SuSE & RHEL
• Installed AIX and performed the OS upgrade flawlessly updating the existing applications and adding new ones without incident.
• Implemented, installed and supported High availability Cluster on IBM pSeries Platform. ( HACMP on AIX)
• Developed Shell scripts for automating the batch jobs.
• Performed User Account management, data backups, and user’s logon support
• Involved in testing of products and documentation of necessary changes required in this environment.
• Maintained and supported GPFS/AFS/DCE-DFS file systems.
• Provided 24x7 supports on shift rotation basis, with pager support in off-shifts.

AIX Administrator

Responsibilities:

• Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• Installed and configured VIOS
• Installed and configured Logical Partitions technology (LPARS ).
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
• Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM.
• Installation and Configuration of NIM
• Configuration of Application Server in resource group.
• Monitoring cluster health by checking logs files.
• Installing OS AIX 5.3, AIX 5.2 on each Node using NIM.
• Applying fixes and ML.
• Software installation, updating and trouble shooting on systems using NIM and media.
• Responsible for taking system backups mksysb, mkcd, savevg and savevgcd also make system backup through NIM, making archives of files and folders.
• Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement.
• Responsible for configuring User Authentication for the AIX systems using LDAP.
• Responsible for SAP DATA backups by TSM in tape.
• Development in PERL for automated procedures like monitoring, backups, logs clean-up.
• Applying software maintenance, program fixes and keeping the system software releases current.
• Responsibal for SAN storage admin, provided support for Fiber channel adapter configuration and Space allocation.
• Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
• Expertise in installing, configuring and troubleshooting on JS20 and HS20 blades in IBM blade center.
• Expertise working in a huge environment that consists of almost 200 Servers including RS/6000, p-series and IBM Blade Center.
• Work in AIX in a SAP environment
• Experience in setting up clusters and creating repository queue managers for load balancing.
• Experience in analyzing logs, problem determination, and Recovery and restart.