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Production Support Engineer Resume

Austin, TX

Summary

More than 7 years of experience in different areas such as Production support, System Administration and Networking, Design, Implementation and Troubleshooting of TCP/IP based networks running on IBM AIX, Sun Solaris and Linux.
Member of production support team providing support for and maintaining availability of hundreds of AIX servers in an LPAR and RS/6000 SP2 environment including p690 POWER4 and stand alone pSeries, S80 and S85.
Experienced in installing, configuring, administrating, troubleshooting, tuning, security, backup, recovery and upgrades of IBM AIX, Solaris 7/8, Win NT/2000 Server, Linux (Red Hat & SuSE).
Working knowledge in IBM AIX hardware components (RS/6000, pSeries), trouble-shooting and maintenance of PC’s.
Creation and modification of many complex shell scripts utilizing Perl and standard UNIX shells.
Extensive experience with LPAR/DLPAR/VIOS.
Experience in Installing, Configuring and Trouble-Shooting Application Servers like IBM Websphere 3.5/4.0/5.0,DB2, BEA Weblogic and Web Servers like IBM HTTP Web Server, iPlanet WebServer, Apache WebServer on Sun Solaris, AIX and Windows 9X/200X.
Configuration Management including the building of LPARs and configuring the hardware devices that support them in Disaster Recovery Planning.
Hands on experience in developing, deploying, implementing, testing and support of full life cycle implementations of various J2EE/Internet/Intranet and distributed applications.
Experienced in Installation, configuration, maintenance and troubleshooting of HACMP 4.5 on AIX 5.1/5.2/5.3.
Proficiency with configuration and maintenance of NFS, DNS, NIS/NIS+, DHCP, SMTP, and Networking with TCP/IP.
Sun Solaris, IBM-AIX kernel Tuning, Performance Analysis and Load Balancing.
Experienced with support 24/7 on AIX Administration.
Implementing and maintenance of DNS, DHCP servers in Solaris sub-network.
Everyday Network administration tasks Using shell scripts - adding and removing users file and share permissions, trust management, replication management, server backups, and server setups. Experienced in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX, Linux (RedHat & SuSE).
Performed user tasks including submitting and managing parallel, serial and interactive jobs.
Installation/Administration of UNIX (Solaris, and AIX) on Sparc and RISC servers running on a LAN with full setup of network services and protocols, ensuring the proper implementation of the TCP/IP Stack, and ARP/RARP routing, and network functionality.
Performed user tasks including submitting and managing parallel, serial and interactive jobs.
Proven ability to Define System requirements, recommended solutions, analyze capacity and make appropriate modifications.
Installation and support of Apache Web Server, IBM HTTP Web Server, Oracle 8i/9i, SQL Server on Windows and UNIX.
Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all levels of management and the client community.

Education
Master’s in Computer Science.

Technical Skills

  • Operating Systems: UNIX,IBM AIX (4.3.3, 5.1, 5.2, 5.3) Linux 6/7/8.x (RedHat, SUSE), Windows 2000/NT4.0, Sun Solaris7/8.x, HP-UX11.x
  • Hardware: IBM RS/6000, IBM AS/400, SUN E-3000, E-4000, HP 9000/750
  • Tools: Active Directory, Veritas Backup, Veritas Volume Manager, Veritas Volume Replicator, NAS, Shell Scripting with Perl, Bash, Ksh, etc.
  • Languages: C, C++, VB, Java, HTML, Perl and Shell programming
  • Databases: DB2, Oracle 7.x/8.0, Oracle8.x/9.x.
  • Networking: TCP/IP, HTTP/HTTPS, FTP, SMTP and SOAP.
  • Web / App Servers: IBM Websphere App Server (3.5/4.0/5.0), IBM HTTP Server (IHS), Apache Tomcat, iPlanet, Netscape Enterprise Server.

Experience:


Confidential, Austin TX Apr 08 – NOV 09
Production support engineer

  • Responsibilities

AIX Production support engineer in 24x7 production support team provide support for and maintain availability of 1400 AIX servers in an LPAR and stand-alone environment.
Research production problems to identify root cause and make recommendations to management to initiate corrective actions to improve overall quality and system reliability
Manage system installation and migration, troubleshooting, maintenance, performance tuning, managing storage resources, network configuration, designing solutions to fit application and database requirements, and developing recovery methods.
Responsible for Making Scipts for the day-to-day systems maintenance, such as installing patches and fixes, space monitoring, file systems maintenance, performance monitoring, and tuning.
Plan layout, installation, or modification of existing systems and analyze data processing requirements to implement designs that will provide system capabilities required for projected workloads.
Wrote scripts for automation and information gathering using Perl and Visual Basic..
Responsible for Back up management using customized UNIX Shell scripts and recovery policies.
Maintain relationships with vendors, project managers, DBA\'s, developers, application support teams, and operational support teams to facilitate efficient project deployment.
Extensive experience with AIX versions 5.1, 5.2, and 5.3, DLPAR, HMC, APV, TSM, NIM, RSCT, SysBack, ksh scripting, SVC, p690 POWER4, p570/p590 POWER5, and various stand-alone systems including 6M1, 6H1, B50, S7A, and S80.
Coordinate and Supported Web sphere applications team.
Installed and maintained Web sphere application servers.
Experience with Citrix MetaFrame, IPsec, DNS, sendmail, ssh, proftp, perl, and C programming.
Familiar with UDB/DB2 and Oracle environments.
Performed offsite disaster recovery testing and restoration of production servers
Managed migration and consolidation of multiple stand-alone servers to Virtual Micro-LPARs
Implemented RSCT to manage resource monitoring.
Created web based performance monitoring tool utilizing webmin, rrdtool, and AIX performance API\'s.
Full Visio documentation of environment including AIX, SAN, and p-series configurations.
Familiar with IBM storage devices ESS-F20, ESS-800, DS8300, DS4100, DS4500, Fast-T, SVC, and SAN switches 2109-S16, 2109-F16, 2109-M14

Environment
AIX,, Linux, LPAR, SAP,VIOS, Tivoli, TSM, Web Sphere Application Server. HACMP, Windows 2000, DB2, IBM HTTP Server, IBM Blade Center, Apache Web Server, LDAP,

Confidential, Overland Park KS Mar 07 – Apr 08

  • UNIX Admin


    Responsibilities

Installing, configuring, maintaining and enhancing operating system and system support software/hardware (AIX 5.1 - 5.3, TSM, HACMP4.5, LPAR, DLPAR, VCM, VVM. SSA Disks, IBM DS8100, IBM pSeries 550, 570,590, 595 690, RS/6000).
Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
Installed VIO server POWER Virtualization on IBM P5 System.
Backing up VIO servers and HMC.
Defined virtual SCSI, virtual Ethernet adapters and created VIO client adapters from HMC and mapped them.
Configured NIM server, Alternate NIM server and NIM clients’ n performed OS installation and OS backup (mksysb) for the clients from NIM server.
AIX5.2 upgrade toAIX5.3,for SAPDB-IT Servers withIBM RS/6000 server.
Applied Service updateAIX5.3.3.
Administrate Volume group’s rootvg and sapvg for space issues during and afterAIXupgrade.
Customized AIX Operating System for a huge SAP environment about 1400 servers.
Maintain SAPDB-IT Shell scripts, soft links and others OS activities.
Upgrade Operating Systems for allSAPR/3 Servers.
Responsible for configuring LPAR for Production/Test environment and configured disks/storage/DS4000 connections.
Assisted in SAP SCM upgrade to release 5.0 on AIX/DB2.
Part of the team that Upgraded Solution Manager from 3.2 to 4.0 on AIX/DB2.
Provided Basis support for the R/3 4.6C implementation project on an AIX platform. This included design, installations, transports, security configuration, problem resolution, patches, interfaces and performance tuning.
Managed SAP related issues on the AIX operating system, including logical volume management, SSA disks, EMC Symmetrix/SAN space management and OS kernel tuning.
Implemented split mirror backups for R/3 on the AIX servers utilizing EMC BCV copies and Tivoli.
Assisted the SAP security team in managing role/position based security profiles and utilizing
new 4.6C features like CUA.
Add, modify and delete user/group accounts and set up a user’s work environment using Shell scripts.
Scheduling of automatic and repetitive Jobs using commands and Shell Scripts on Crontab.
WroteShell scripts (ksh, csh, Perl)to automate day-to-day system administration tasks.
Responsible for monitoring daily Netbackup activity and reporting to proactively avoid issues with the use of Unix Shell Scripts.
Responsible for Modifying and optimizing backup schedules and making Unix Ksh Scripts for it.
Involved in Improving automation and productivity of backups through Scripting enhancements.
Designed, installed and configured HACMP cluster environment, with cascading and mutual takeover.
Expertise in Troubleshooting on High Availability Clusters (HACMP).
Gave support to the Db2 application server team .
Daily incremental backup of the DB2 application servers.
Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM.
Responsible for AIX v5.x system administration tools, commands and utilities and Configuration of multiple logical subsystems utilizing IBM HMC, LPAR configuration, NIM and CSM to install and manage the LPAR.
Involved in Advanced POWER Virtualization on IBM P5 System.
Extensive Experience in in using the latest features of AIX, such as creating LPARs with CPU and sub CPU partitioning, virtual IO server, JFS2 file system and configuring dynamic LPARs.
Extensive experience in UNIX performance using BMC Perform/Patrol Performance Tuning UNIX security fundamentals and perform account administration using ITAMOS Tivoli security product.
Expertise working in a huge environment that consists of almost 700 Servers including RS/6000, p-series and IBM Blade Center.

Environment
AIX, VIOS, Solaris, Linux, SAP r/3,Solution manager, Sap SCM,LPAR, HACMP, Windows 2000, Oracle 9i,Oracle 10g, DB2, IBM HTTP Server, IBM Blade Center, Apache Web Server, LDAP, Tivoli, TSM, Web Sphere Application Server.

Confidential, Albany,NY Mar ’06-Feb ’07
UNIX ADMIN

Responsibilities

Hardware Maintenance and System Administration of existing RS 6000 running AIX (40 systems in Network).
Created users, manage user permissions, maintain User & File System quota.
Data Warehousing and System Backup using tar, cpio for local systems and Veritas Netbackup for enterprise wide backup and recovery and to centrally manage storage resources through a single console.
Installation/administration of AIX, Linux, Solaris, and NT/2000 Servers on a LAN, setting up optimal RAID levels (fault tolerance) for protected data storage in NAS environments. Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers.
Setup network printers and installed client/server applications. Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS).
Network management of TCP/IP networks, IP address management.
Performing upgrades of OS and applications.
Korn & C shell scripting, mainly for scheduling jobs (CRONTAB).
Coordinate and Supported Web sphere applications team.
Installed and maintained Web sphere application servers.
Tested products for evaluation purposes and documented for necessary changes required as per environment.
Performed daily backups, restoration of data as per requests from developers by the use of Korn scripts for mksysb and Tsm backup dsmc.
Amendment of existing scripts as well as writing new scripts related to repeated systems administration tasks.
Troubleshooting and resolving of problems related to hardware, operating systems, third party applications and Shell scripts.
Configured SSH for secure telnet and FTP connections.
Configured DNS, LDAP, I-planet, Apache HTTP servers
Configured Microsoft Active Directory, PDC, and BDC domains
Provided support by 24x7 shift rotation basis and pager support
Performed User Account management, data backups, and users’ logon support
Diagnosed hardware and software problems and provided solution to them
Monitored trouble ticket queue to attend user and system calls
Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment
Updated data in inventory management package for Software and Hardware products.
Capacity Planning, Infrastructure design and ordering systems.
Worked with DBAs on installation of RDBMS database, restoration and log generation.

    Environment
    Linux, AIX,SAP, IBM HTTP Server, IBM Blade Center, Apache Web Server, LDAP, LPAR, VIOS, Tivoli, TSM, Web Sphere Application Server. HACMP, Windows 2000. Confidential, Macon, GA Feb’05-Jan’06
    Systems Analyst Production Support (Contract)

Member of production support team in a multi-platform environment[AIX,LINUX SOLARIS,etc], including operational issues of multiple sites and strategies to deploy additional applications to the environment.
Managed distributed production and development environment, consisting of over 700 servers at three geographically distinct sites
Upgrading firmware of managed machines, devices and HMC.
Performed system and application troubleshooting, diagnostics, tuning, and configuration. Resolved hardware issues including failures and configuration problems.
Responsible for 24 x 7 on call duties to support function and stability of in-house client server application spanning multiple platforms including AIX, Windows NT 4, and Windows 2000 Clustering, LAN/Networking, IBM eDispatcher, shell scripting.
Performed 60 hours DR exercise for Tier 1 servers environment.
Provide productionsupportand performed weekend changes during tech window.
Performed administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management.
Interact with users to identify requirements for system enhancements, production support and user training.
Research and evaluate system problems; recommend actions and solutions.
Configure lines, controls, devices and modems to access to different client machines.
Managed project phases from start to finish and reported milestones and critical path on the schedule plan to the director of information systems.
Configuring and trouble shooting TCPIP network.
Switch/Storage Migration, storage allocation, IO performance tuning.
Monitor and manage the 24x7 operations to ensure highest stability, availability.
Coordinate with vendors, development, business partners and escalationsupportteams.
Self-motivated team player, able to set priorities and manage to deadlines
Demonstrated competency in analytical thinking.

Environment
Linux, AIX, Windows 2003 Advance Server, Windows NT, Windows 2000, Active directory, TSM, Web Sphere Application Server, DB2.

    Confidential, Lakeland, FL Jan’05-Mar’04 UNIX system engineer

Responsibilities

Installing, configuring, maintaining and enhancing operating system and system support software/hardware (AIX 5.1 - 5.3, TSM, HACMP4.5, LPAR, DLPAR,VCM,VVM. SSA Disks, IBM DS8100, IBM pSeries 550, 570,590, 595 690, RS/6000).
Responsible for Implementing Cloning, Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 4.0/5.0.
Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM.
Diagnosing and resolving systems related tasks in accordance with priorities setup in dealing with trouble tickets.
System performance monitoring (tuning as necessary).
Wrote shell, expect, and Bladelogic scripts to simplify system tasks and documented both their use and internals.
Responsible for troubleshooting all the applications like marimba, Bmc patrol etc.
Worked in Distributed Storage Management Team in supporting the Distributed Disk Frames and Storage Area Networks in all TI supported North American Data Centers.
Responsible for activities such as problem support, presenting/decommissioning storage to distributed servers and supporting contingency of business roles.
Involved in Installation, configuration and maintenance of storage and SAN hardware and software.
Responsible for monitoring, management and performance analysis of storage and SAN fabric using EMC ECC.
Responsible for managing local and remote data replication.
Responsible for maintaining standard operation procedures for storage environment.
Involved in documentation of current SAN footprint.
Involved in assisting with code upgrades on SAN switches .
Participating in a vendor evaluation.
Assisting with ongoing stability issues as they arise.
Participating in the re-architecture of SAN environment.
Designed, installed and configured HACMP cluster environment, with cascading and mutual takeover.
Expertise in Troubleshooting on High Availability Clusters (HACMP).
Responsible for system partitioning (LPAR) and operating system installation using HMC.
Responsible for performing administration tasks on DLPAR such as adding, deleting and moving system resources from one partition to another partition.
Expertise in installation configuration and administration VIOS.
Responsible in configuring of virtual Ethernet, virtual SCSI and virtual memory.

Environment
AIX, Solaris, LPAR, DLPAR,VIO,HACMP, Windows 2000, Oracle9, DMX, Symmetric, CLARIION, PowerPath, ECC, SRDF,SAN Copy, SYMCLI, Brocade, CISCO, McData, IBM HTTP Server, Apache Web Server, LDAP, Web Sphere

Confidential, India Mar ’03-Feb ’04
AIX ADMIN

Installing, configuring, maintaining and enhancing operating system and system support software/hardware (AIX 5.1 - 5.2, TSM, HACMP4.5, LPAR, DLPAR, VCM, VVM. SSA Disks, IBM DS8100, IBM pSeries 550, 570,590, 595 690, RS/6000).
Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
Defined virtual SCSI, virtual Ethernet adapters and created VIO client adapters from HMC and mapped them.
Configured NIM server, Alternate NIM server and NIM clients’ n performed OS installation and OS backup (mksysb) for the clients from NIM server.
Responsible for configuring LPAR for Production/Test environment and configured disks/storage/DS4000 connections.
Designed, installed and configured HACMP cluster environment, with cascading and mutual takeover.
Gave support to the Db2 application server team .
Daily incremental backup of the DB2 application servers.
Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM.
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.
Responsible for training users in applications and UNIX fundamentals and responsible for writing basic system and user documentation.
Responsible for AIX v5.x system administration tools, commands and utilities and
Configuration of multiple logical subsystems utilizing IBM HMC, LPAR configuration, NIM and CSM to install and manage the LPAR.
Involved in Advanced POWER Virtualization on IBM P5 System.
Extensive Experience in in using the latest features of AIX, such as creating LPARs with CPU and sub CPU partitioning, virtual IO server, JFS2 file system and configuring dynamic LPARs.
Extensive experience in UNIX performance using BMC Perform/Patrol Performance Tuning UNIX security fundamentals and perform account administration using ITAMOS Tivoli security product.
Responsible for Setup and configuring Netbackup server/client and tape libraries.
Responsible for monitoring daily Netbackup activity and reporting to proactively avoid issues with the use of scripts.
Responsible for Modifying and optimizing backup schedules and making scripts for it.
Involved in Improving automation and productivity of backups through scripting enhancements.
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 700 Servers including RS/6000, p-series and IBM Blade Center.

Environment

AIX, VIOS, Solaris, Linux, LPAR, HACMP, Windows 2000, Oracle 9i,Oracle 10g, DB2, IBM HTTP Server, IBM Blade Center, Apache Web Server, LDAP, Tivoli, TSM, Web Sphere Application Server.

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