SUMMARY:

• A seasoned IBM AIX System Administrator with more than 10 years of experience in Administration, Engineering and Development of Information Systems.
• Extensive experience in installing, configuring, maintaining, designing, development, implementation, and support on IBM AIX 4.3.x / 5L v 5.1/5.2/5.3/6.1/7.1, VIOS 1.5, 2.1, 2.2 Dynamic LPARs, Micro-Partitions and Virtualization , SuSE 7.x/8.x and Red-Hat 6.0/7.0/8.0 Linux, Solaris 7/8/9/10 and Microsoft Windows 2000/NT operating environments.
• Expertise with various IBM pSeries servers p570, 590, 595, 710, 720, 740, 750, 770, 795 , RS/6000 platforms and have extensive experience in configuration, installation and administration of AIX including installation, configuration, and maintenance of HACMP v4.5 and TSM on AIX v5.x, v6.x, v7.x
• Experience in working on Dual VIO servers in setting up the MPIO on the disk.
• Experience in Tagging and Mapping on VIO servers and Client Logical partitions.
• Extensive experience in working on Live Partition Mobility LPM to move the LPAR from one frame to another frame.
• Knowledge of Active Memory Expansion, Shared Processor partition.
• Experience in working physically in the data center for moving the servers, Re-racking, Cabling, labeling, cable swapping and other work involving physical movement.
• Experience in writing scripts in shell and perl to carry out daily production tasks.
• Experience in Installing the Operating system from Virtual optic drive, CD/DVD, NIM server and mksysb's.
• Experience in working with taking the backup of the servers on the tape drive/ disc drive and also on Avamar to the data domain.
• Experience in working with different applications and the databases.
• Migration of HACMP v4.4 to HACMP v4.5.
• Experienced in implementing the various security features in the UNIX/AIX environment using LDAP like configuring user authentication and Keonizing the servers.
• Experienced in working on NPIV in the environment by creating Virtual Fiber Channel adapters.
• Experience in installation, configuration, tuning, optimization, security, backup recovery, and upgrades of IBM AIX, Red Hat Linux.
• Performed HACMP to cluster multiple IBM RS/6000 nodes work to provide a highly available application.
• Proficient in archiving and backups. Using tar, pax, cpio, dd, restore and backup commands, mksysb for root volume group backup and savevg for user created volume groups backup.
• Extensive Experience in AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Extensive use of Resolved Application Startup problems, PATH problems, Name conflicts, TCP/IP and Networking Problems in AIX.
• Installation/administration of TCP/IP, NIS/NIS , NFS, DNS, NTP, auto mounts, sendmail, and print servers as per the client's requirement.
• Experienced in Tivoli Storage Management, Managing LVM and File systems, SRC and Paging space management, restore and availability, Monitoring System / Network Performance and Send mail administration.
• Provided production support in an on-call rotation in a 24x7 environment.

TECHNICAL SKILLS:

WORK EXPERIENCE

Sr. UNIX/Linux Systems Engineer

Responsibilities:

• Practical experience with installation, configuration, upgrade and administration of IBM pSeries, Power5, Power6 Power7 servers on various levels of AIX operating system 5.2, 5.3, 6.1, 7.1 utilizing NIM for availability on mission critical systems in a fast paced environment configured RHEL 5.X,6.X servers.
• Responsible for Administration, Installation, Upgrading, Migration, Configuration, Troubleshooting, Security, Backup, Disaster Recovery, Performance monitoring and Fine-tuning of AIX systems on different oslevels.
• Configuration of NIM Master, NIM slaves and nodes installation through NIM.
• Responsible to build a new NIM server for the 7.1 environment for the new Data center.
• Responsible for building new servers for Micro Strategy in various environments like development, testing and production.
• Work closely with the network team on the issues relating server connectivity, IP assignment or firewall issues.
• Responsible for removing the failed paths from the servers and make sure that all the LPARS have MPIO from each connected VIO Server.
• Responsible to keep the existing NIM server updated with latest software packages and filesets.
• Work on installing the OS using multiple sources like CD/DVD, NIM, mksysb image and Virtual optic drive.
• Work on restoring the VG's on the servers if there cause a problem.
• Performing Live partition mobility to move systems from one frame to another frame.
• Migration of production Application and Database servers on IBM Pure flex 260 460-1 machines.
• Responsible to upgrade the VIO servers in the environment in multiple data centers from 1.5 to 2.2 and 2.3.
• Work on assigning storage on the VIOC from the VIOS using VSCSI and also assigning the storage directly to the partitions using NPIV.
• Worked on creating the Shared Ethernet Adapter SEA for the partitions to communicate out of the network via VIO sever.
• Work with multiple storages like IBM XIV, DCS 8300, DS8000, EMC Power path via IBM SVC.
• Working on a major project for Micro Strategy and also supporting the ETL developers.
• Working as a primary contact on a project building a new data center with setting up Power 760 machines and building the VIO servers and LPARS on them.
• Working on setting up the new Hitachi storage in the new Datacenter.
• Work closely with the third party company to understand the cabling and labeling in the data center.
• Work on either physically move or satellite switching the machines in the data center when required.
• Work with backing up and archiving the tapes for system backups.
• Majorly working on installing the Control M software components like Control M agent, Server software and Enterprise manager on the servers to run the jobs.
• Working on multiple system monitoring tools like Nagios, Tiivoli Monitoring.
• Work with ticketing tools like Peregrine, Remedy and ServiceONE.
• Responsible to build 2 node Oracle RACS.
• Responsible for upgrading the HMC to the latest version 7.9 in the environment.
• Support the collection of performance data via a predefined centralized collection methodology specified by IBM.
• Work with DBAs on installation of Oracle, restoration and performance tuning.
• Remediate any security issues uncovered by vulnerability scans.
• Working knowledge experience in configuring ESXi and vSphere4,5.
• Automated server building using System Imager, PXE Kick start and Jumpstart.
• Setup and configure failover load balancing using IP bonding for network cards
• Configuration of NIS, NFS SENDMAIL on Linux Unix Environment.
• Configured backup/archive policies using backup utility and mksysb images of root volume group to meet data archiving requirements and disaster recovery readiness.
• Monitoring, troubleshooting, supporting and fix operating system and hardware problems on several versions of UNIX systems.
• Generated reports to show the trends of resource utilization user/CPU/network load/memory.
• Document UNIX configurations for hand-off to production support team.
• Attending meetings and analyzing information obtained from management to conceptualize and define operational problems.
• Assisted other Unix administrators when help was needed i.e., creating UNIX accounts, writing scripts to perform system administrator functions, responding to trouble tickets, etc
• Coordinated server maintenance through a well-defined change control process including after hours and weekend Sunday work as necessary to support systems
• Performed Firmware level upgrades for the Ethernet/fibre card adapters
• Installation of patches, Security fixes, packages on AIX and Linux servers.
• Work in rotational shifts to provide 24x7 support.

Confidential

Sr. UNIX Engineer

Responsibilities:

• Performed AIX and Linux administration tasks supporting pSeries servers 750, 770 and 795 and Pureflex 460-1 machines.
• Performed the installation, maintenance, upgrading and administration of the logical partitions with AIX Operating systems 5.3, 6.1, 7.1 , VIO 2.2.1 2.2.2.3 and Redhat 5 and 6 Enterprise Edition using CD/DVD, NIM, mksysb and Virtual Disc.
• Performed the data migration from the IBM XIV IBM DS8000 storage to the HP 3PAR Storage.
• Responsible for building new Logical partitions and VIO servers in the environment.
• Working on server performance management using BMC Performance assurance BPA .
• Performed DLPAR on client logical partition in adding/removing resources from the server.
• Performed Live Partition Mobility LPM on the servers on migrating the servers from one frame to another especially IBM Pure flex systems.
• Configured, Installed and also responsible for maintaining the Flex systems.
• Performed the NPIV on the servers involving dual VIO servers connecting the client logical partitions.
• Performed the User administration tasks on the servers like user creating, accounts expire, accounts migration from smurfitt to rocktenn domain.
• Created the application user accounts on the servers and also linking the user's profile to the application's profile.
• Work on various system performance monitoring like Nmon and Topas.
• Responsible for upgrading the Servers in the environment from 5.3 to 6.1 and 7.1.
• Responsible for upgrading the TL upgrade and service pack upgrades in the environment.
• Responsible for fixing the TL Packages on the NIM server for the upgrades without the errors.
• Responsible for keeping the NIM server up to date and also fixing any missing or broken filesets.
• Work on hardware refreshes in the environment.
• Responsible for upgrading the third party software's like SUDO, Tivoli monitoring agents.
• Working on physically connecting the adapters, power cables and storage to the machines in the datacenter.
• Work with loading and archiving the HP3000 tapes.
• Upgraded the servers using different media's like NIM server, CD/DVD Virtual optic drive.
• Working on applications like Scrum board for managing the self-day to day activity records.
• Responsible for creating the documentation for procedures on the upgrade, installation and updating the share point.
• Working on Nagios, Tivoli Monitoring and HP Open view for monitoring the servers.
• Intermediate in writing scripts using shell and perl.
• Work on various batch scheduling tools like cron, Autosys.
• Proficient in archiving and backups. Using tar, pax, cpio, dd, restore and backup commands, mksysb for root volume group backup and savevg for user created volume groups backup.
• Worked extensively on change management for the changes on the production side of the environment.
• Worked with IBM on multiple issues involving Hardware and software upgrades.
• Worked with multiple applications in the environment like Oracle, SAP and multiple databases.
• Work on call every other week supporting the servers in the environment.
• Work in 24 x 7 rotational shifts.

Confidential

Sr. UNIX Engineer

Responsibilities:

• Performed UNIX/AIX, Solaris and Linux administration tasks supporting pSeries servers 750, 770 and 795 and Sun Hardware.
• Performed the Installation, Configuration and maintenance of Logical Partitions and the VIO servers on various machines in the environment.
• Worked in the environment that supports almost 10K UNIX servers across all the environments.
• Worked on different OS with different versions like AIX 6.1, 7.1 , Solaris 9, 10 , Linux 6 Enterprise Edition and HP-UX.
• Majorly worked on installing the OS versions 6.1 and 7.1 on the LPARS through the NIM, Virtual Disk drive, mksysb and CD/DVD.
• Worked on the data center move to move the physical servers from one location to the other location.
• Worked on moving the Virtual servers from one machine to the other machine in the environment.
• Worked extensively on Dual VIO servers to make sure that the application has the redundancy to switch over if one server goes down.
• Worked on MPIO to assign dual paths to the VIO servers for the storage connection to make sure that they have safe and available access to the data on the storage disks.
• Worked on creating the Shared Ethernet adapters, Mapping and tagging from the VIO servers to the logical partitions.
• Worked on the Live Partition Mobility to move the Logical Partitions from one server to the other server for the hardware refresh.
• Worked with different application teams like oracle and SAP ERP and also with the database teams like oracle DB and DB2 UDB.
• Extensively worked on NPIV to assign the storage to the logical partitions.
• Worked extensively on creating the NIS environment where all the servers are bound with a Master Server and all the other servers as NIS Slaves.
• Fixed the broken scripts for the NIM backups on the NIS server.
• Worked on HP OpenView and Tivoli monitoring for the hardware and software monitoring.
• Worked on different ticketing systems like BMC Remedy user and Peregrine.
• Worked on Blade Logic to run the jobs on the servers to check if there are any errors on the servers that are making the server against the server compatibility requirements of the Boston Scientific environment.
• Worked with the server IQ process to ensure the servers are built to the specification.
• Worked on the Accenture boxes for fixing the issues across the SAP environment.
• Worked on the Bi-yearly user audits for the accounts that do not exist either in the company or need not to have the access on the machines.
• Worked on VCS to manage the 2 to 4 node clusters.
• Worked with the IBM and Oracle on different issues concerning hardware and software problems.
• Worked on the Tier 1 on call support to resolve the daily production issues in the UNIX environment.
• Worked on Change Management for the production server downtimes to make changes to the server hardware, Software and the kernel parameter changes.
• Worked with the off shore team on various issues and give the server support 24x7
• Worked on rotating shifts in the environment.

Confidential

UNIX Engineer

Responsibilities:

• Performed UNIX/AIX, Solaris and Linux administration tasks supporting pSeries servers 595, 710 720, 740, 750, 770 and 795 and Sun Hardware
• Majorly worked on the Data Center migrations from moving the servers from one location to the other location which also includes physical movement.
• Major responsibility is to work on the Server/Cyclades split going between PINK and WHITE networks according to the HSBC policies.
• Working extensively on physically cabling and labeling of the SAN, Network, Power and other cables to the switches and ports on the power machines in the Data Center.
• Working on attaching/changing the dongle power cables from the Cyclades server to the Power Machines.
• Responsible for splitting up the servers between COF and HSBC and assigning them new IP addresses and moving the server to the respective networks via DNS push/Re-hosting.
• Responsible to build new NIM Server one for each AIX 6.1 and AIX 7.1 environments.
• Working on the Dual VIO servers on Power 7 machine.
• Work on the different OS levels of the VIO servers like 1.5, 2.1 and 2.2
• Working on setting up MPIO on the SAN disk from the dual VIO servers.
• Responsible for creating the Virtual adapters on VIO servers and client logical partitions.
• Working on mapping multiple SEA's, NPIV and also tagging the VIO's with the Lpar's using Virtual adapter ID's.
• Worked on Live partition Mobility by moving an LPAR from one frame to another frame.
• Responsible for updating the micro-codes of the adapters on the existing servers.
• Responsible for maintaining the servers to the highest stable OS level.
• Responsible for upgrading the TL level, Maintenance levels and Service Pack level on the servers.
• Working on upgrading the NIM server with the latest software, fixes, packages, libraries, RPM's etc. from the IBM fix central.
• Working on installing AIX Operating system using Virtual Optic Drive, NIM server, CD/DVD and mksysb image.
• Responsible for creating cron jobs to put the mksysb of the server at the scheduled time on assigned NIM servers.
• Worked on creating the nimbackup.sh standard shell script for the system backups.
• Worked on setting up VERITAS 2 node cluster using VERITAS Cluster Manager.
• Responsible for resolving the tickets in the daily GPCM production queue.
• Working on the change control/aperture request for the maintenance of the servers or hardware replacements as a weekend activity.
• Working with IBM, Oracle and HP on different issues relating hardware and software problems on the servers.
• Responsible for creating a share point and creating/uploading the detailed documentation of the procedures followed to execute things as per company's standards.
• Work with the off shore team during the weekend to work on high priority issues.
• Working on the on call shifts for every third week of the month.
• Work in 24X7 rotating shifts to provide full support on the servers.

Confidential

UNIX/AIX Engineer

Responsibilities:

• Performed AIX administration supporting pSeries servers 720, 740, and 770 .
• Responsible for Administration, Installation, Upgrading, Migration, Configuration, Troubleshooting, Security, Backup, Disaster Recovery, Performance monitoring and Fine-tuning of AIX systems on different OS Levels.
• Responsible for building new Client VIO servers and Client Logical Partitions in the environment.
• Performed VIOS installation, mapping the adapters, assigning the disks and management of shared resources.
• Installed, implemented and troubleshoot the AIX operating systems like 5.3, 6.1 and 7.1.
• Worked on different VIO servers like 1.5, 2.1, 2.2.8.
• Installing AIX OS on the machines via media's like CD/DVD, NIM, Golden Image and Virtual Optic Drive.
• Logical Volume Manager LVM , SSA Disk and RAID Management
• Responsible for the TL upgrade, Service pack upgrade, microcode update for adapters, firmware upgrade or any application related package upgrades.
• Responsible to work with the WebSphere team and upgrade them from version 24 to version 39.
• Worked with different storages in the environment like EMC Clariion, Symmetrix, Powerpath and IBM.
• Worked on the Datacenter migration from one location to other location.
• Responsible for un-mounting file systems, removing disks, exporting VG's, shutting down all the production lpar's and powering off the frames and vice versa in the Data center move event.
• Worked on the Virtualized environment and creating Virtual Fiber Channel adapters for NPIV.
• Worked on moving the client logical partitions from one frame to the other frame with Live Partition Mobility LPM .
• Responsible to update the entire new/existing server's information in SID and TAMS.
• Responsible to scan and update the new power machines in VISTA in the new data center.
• Installation, implementation and configuration of Avamar on the servers instead of Netbackup.
• Changing the users from LID to Portal and vice versa.
• Work with DBAs on installation of Oracle, restoration and performance tuning.
• Coordinated server maintenance through a well-defined change control process including after hours and weekend Saturday/Sunday work as necessary to support systems.
• Worked with the offshore team in Middle East to support the Enterprise Systems Management servers.
• Worked on Installation, Implementation and Configuration of Tivoli Monitoring on the servers as a system monitoring tool to manage the thresholds at the OS level and the Applications.
• Responsible for determining hardware and compatibility requirements for installation of TSM client software.
• Modification of Shell Scripts as per the Customer requirements.
• Korn C shell scripting, mainly for scheduling jobs CRONTAB
• Worked on the peregrine ticketing queue for the daily production issues on the server.
• Worked on the ON CALL shifts on a rotating basis and weekends.
• Provided 24x7 support on shift rotation basis

Confidential

UNIX Engineer

Responsibilities:

• Performed AIX administration supporting pSeries servers 570, 590, 620, 650, 670, 680, 690, 750, and 770 .
• Performed VIOS installation, mapping the adapters, assigning the disks and management of shared resources.
• Embedded system, network and object oriented programming in C/C , various compiler installations implemented and debugged C routines in runtime environments.
• Performed user account management, data backups, and users logon support.
• Monitored trouble ticket queue to attend user and system calls.
• Updated data in inventory management package for software and hardware products.
• AIX system optimization over Oracle10/11 applications and utilities.
• Worked with DBAs on installation of RDBMS database, backups and restoration and log generation. Configured and maintained TSM Clients on TSM 5/4 servers running AIX 6.0/1 and IBM HTTP Server.
• Giving the Level 2 support and assisting the team members in fixing the AIX software problems.
• Installation, Configuration and Administration of AIX 5.3, 6.1 7.1.
• Configuration and administration of HACMP 6.1/7.1 using 2/3 node cluster using Cascading, Rotating, and Concurrent resource group.
• Implemented the various security features in the UNIX/AIX environment using LDAP like configuring user authentication, Keonizing.
• Tivoli tape management, troubleshooting tape libraries and drive error, checking tape consistency.
• Responsible for determining hardware and compatibility requirements for installation of TSM client software.
• Provided 24x7 support on shift rotation basis

Confidential

UNIX/AIX Administrator

Responsibilities:

• Responsible for maintaining and administering 600 productions IBM RS/6000 servers with AIX, RHEL and SuSe Linux.
• Giving the Level 2 support and assisting the team members in fixing the AIX software problems.
• Installation, Configuration and Administration of AIX 5.1, 5.3 6.1.
• Configuration and administration of HACMP 5.2/5.3 using 2/3 node cluster using Cascading, Rotating, and Concurrent resource group.
• Installation of Redhat Linux High Availability SCADA Clusters with no single point of failure and geographic failover.
• Responsible for Administration of AIX Production, Integration and Development servers Web/DB2/ Oracle Environment .
• Creation of logical partitions using LPAR/DLPAR, micropartioning and installation of AIX in p650/p670 regatta series model thru HMC and p5-p590, 595 series of servers.
• Worked with multiple IBM AIX V5R3 TL8 LPAR's running on IBM p570 servers as well as sun servers running Solaris 8.
• Applying the security fixes and synchronizes the VERITAS cluster.
• Placing the hardware call and follow up with IBM Hardware Support to fix hardware problems.
• Highly effective resource sharing CPU, memory, I/O and capabilities to minimize planned an unplanned downtime error prediction, concurrent maintenance for hardware and OS, live migration of running SAP instances etc. ,
• Implemented the combination of AIX an IBM Power Systems an ideal platform to support any kind of SAP Business applications.
• Logical Volume Manager LVM , SSA Disk and RAID Management.
• Capacity planning of disk space and hardware resources required for production and developments.
• Created and implemented the Change Control for any change which may vary from installing patches, fixes, data migration or third party products installations etc.
• Installed software using Installp applying PTF's, Microcodes, updating PMR's, downloading Filesets, ODM, LVM and Disk Management.
• Remote command execution across multiple nodes or node groups in the cluster.
• Advanced AIX V5R3 administration skills
• Installing and Configuring SQL Server 2005 and SQL Server 2008.
• Modification of Shell Scripts as per the Customer requirements.
• Configured EMC SAN fibre channel switches McData, Brocade, and Cisco .
• Installed and configured EMC storage management software Control Center, Powerpath, SRDF, SYMCLI, and Timefinder on various platforms AIX, Sun, W2K, TRU64, and HP-UX .
• Perform all duties relating to Unix System Administration, hardware software technical support in Linux OS environment of mid-range and high range server in a multi-platform heterogeneous UNIX environment.
• 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.
• Experience in REMEDY software and DMR system.

Confidential

UNIX/AIX Administrator

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
• Performed daily backups, restoration of data as per requests from developers.
• Configured SSH for secure telnet and FTP connections.
• Configured DNS, LDAP, I-planet, Apache HTTP servers
• Configured Microsoft Active Directory, PDC, and BDC domains
• 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
• Capacity Planning, Infrastructure design and ordering systems.
• Worked with DBAs on installation of RDBMS database, restoration and log generation.

Confidential

UNIX/AIX Administrator

Responsibilities:

• Performed AIX administration supporting pSeries servers 570, 590, 620, 680 ,
• Performed VIOS installation and management of shared resources.
• Embedded system, network and object oriented programming in C/C , various compiler installations, implemented and debugged C routines in runtime environments.
• Updated data in inventory management package for software and hardware products.
• AIX system optimization over Oracle8/9 applications and utilities.
• Worked with DBAs on installation of RDBMS database, backups and restoration and log generation. Configured and maintained TSM Clients on TSM 5/4 servers running AIX 5.1/2, Web-Sphere Application Server, Samba Server, and IBM HTTP Server.
• Configured TSM Clients on TSM 5/4 Severs running AIX 5.1/2.
• Performed installation and configuration of TSM client for non-cluster Windows Server.
• Built DR procedures for TSM Server 4/5 on AIX 5.1, updated volume numbers for daily DR backups.
• Tivoli tape management, troubleshooting tape libraries and drive error, checking tape consistency.
• Responsible for determining hardware and compatibility requirements for installation of TSM client software.

Confidential

System Administrator

Responsibilities:

• Install NIS in a multi-platform UNIX environment.
• Setup NFS between IBM, SUN, HP and SGI workstations, IBM RS/6000 server and NT server and servers.
• Configured TCP/IP for servers and workstations and setup of complete network.
• Implemented Crontabs, Shell Scripts for automatic back -up.
• Wrote several korn shell scripts, perform background FTP, distribution of data to other servers, backup operations and management of large volumes of CAD data.
• Support for all the internal Windows nodes
• Installation and maintenance of the Internal DNS server.
• Firewall configuration for packet filtering firewall.
• Network administration and Network monitoring