SUMMARY:

• 6+ years of experience in AIX/LINUX System Administration.
• Experience building dual VIO servers at 2.2.5.20 from ground up.
• Created a detailed adapter layout and build design for Power850 frames.
• Performed HMC and frame firmware updates.
• Updated mircocodes on the physical adapters with data gathered form invscout.
• Performed Linux administration on multiple distributions such as SUSE, REDHAT and Oracle Enterprise Linux as well as Centos.
• Experience in Administration of Linux 6/7/8.x (Redhat, SUSE), CentOS (6.x,7.x) Fedora and Ubuntu,
• Experienced in creating maintaining and managing LPARS, VIO with HMC console.
• Experience with PowerVM feature on AIX as well as LPM.
• Configure satellite server for Redhat Enterprise Linux.
• Experience with User Administration on Linux and AIX.
• Experience with ESX frame for RedHat Enterprise Linux.
• Performed patching and upgrades on Redhat using RPM.
• Experience with server administration with 800+ Linux servers.
• Experience in server management, security checks and day to day operation activities for a well renown Insurance company.
• Performing different operations on LPARs - assigning /removing/moving resources to partitions dynamically.
• Extensive knowledge on HP Network Switches.
• Good working knowledge of HACMP and POWER HA.
• Experience with Oracle RAC and Veritas NetBackup on UNIX environment.
• Supported multiple applications and databases such as Oracle database, DB2, EPIMS, JBOSS, WebSphere, Cerner and Java application.
• Performed multiple disaster recovery successfully on UNIX platforms.
• Experience with Linux Firewalls and worked with Network engineer on various Linux networking tasks.
• Performed patching through BigFix on AIX servers.
• Extensive knowledge on IBM Endpoint Manager and BigFix.
• Performed patching and upgrades on Redhat using RPM.
• Extensive knowledge on PCI and SOX regulations on UNIX systems.
• Experience with scripting such as shell and perl.
• Experienced in 550,570,575,590,595, P6 (550,570,690) and P7 System Software Maintenance.
• Participated in new HACMP build project. Have configured two node HACMP cluster from the scratch.
• Installed patches, efix and SSL s to all web servers.
• Routinely checked logs for any denial request using PowerBroker
• Involved on build project for AIX and Linux on large enterprise environment.
• Experience with automation tools for RedHat such as puppet, Ansible and Chef.
• Performed migrations from 5.3 to 6.1 and 7.1 for AIX.
• Experienced IBM and EMC and configuring SAN on AIX and Linux Servers.
• Provided production support in an on-call rotation in a 24x7 environment and Datacenter Support.
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Experienced in installing and supporting Power path and SDD drivers on AIX servers.
• Experienced in documenting the physical server position in Datacenter.
• Experienced in planning the space for new AIX and LINUX Servers in the Datacenter and updating the Excel Sheet with the LPAR configuration and physical location in the Datacenter.
• Experienced in EMC clarion, Symmetrix, IBM DS400, DS 6000, DS 8000.

TECHNICAL SKILLS:

Operating Systems: IBM AIX 5.3/6.1,7.1, RHEL 6 and 7, CentOS 6.x and 7.x

Platform: IBM, PSeries P4, P5, P6, P7 - 550,570,575,590,595,660, 670, 690,750,770, Power 850 frames.

Other Skills: Virtualization, Amazon Web Services, PowerHA, TSM, DB2,Oracle, WebSphere, HMC, NIM, SHELL, PERL.

System Administration II: Problem Determination and experienced in data center

Microsoft Tools: Word, Excel, PowerPoint, etc.

PROFESSIONAL EXPERIENCE:

Confidential - Champaign, IL

Sr. AIX / Linux System Administrator

Responsibilities:

• Provided technical support for UNIX operating systems and hardware.
• Primary point of contact to business partners for resolving UNIX related incidents
• Provided service restoration, troubleshooting system failures, and implementing UNIX hardware/software changes for the enterprise server environment remotely using Service Management Processes (SMP).
• Worked with UNIX Hands-On Server team and/or appropriate vendors to resolve incidents; maintained server availability and stability; and provided input for improvement of team workflow.
• Technical subject matter expert on various projects
• Reviewed and created knowledge items
• Reviewed and created team procedures and documentation.
• Work for this skill is received via project requests, phone calls, and through SMP using Service Desk (incident, service calls, and work orders).
• Perform day to day tasks as performance tuning, enhancement and managing servers on AIX including REDHAT and Centos 6.2
• Responsible for building Linux server using VMware.
• Experienced in IBM RS/6000, P4, P5, P6, P7 and P8 System Software Maintenance.
• Experience with System ESX frame for RedHat Enterprise Linux.
• Experience with Oracle RAC on UNIX environment.
• Configure sendmail server for Linux.
• Installed and build from scratch complete NIM Setup. Added different clients to NIM server and their Backup.
• Experience with scripting such as SHELL and PERL.
• Performed installation, configuration and migrations from 5.3 to 6.1 and 7.1.
• Created ssh secure passwordless access for sftp on Solaris and AIX servers.
• Manage user accounts on Linux.
• Scheduled with Ksh Script backup of Clients from NIM server. Restored mksysb images with NIM
• Installation, configuration, Performance Tuning of Linux and AIX.
• Good working knowledge of HACMP, Virtual I/O.
• Responsible for Enterprise Application Integration Toolset Administration.
• Responsible for Supporting as a secondary administrator to Linux
• Extensive Experience in Installing and Building AIX Micro Partitioning Virtualization
• LPAR System using AIX Ver5.3 and IBM p5 Hardware such as p550, p570, p590 and p595. Using the NIM Server.
• Tested volume groups and logical volumes, extended logical volumes for file system growth using Logical Volume Manager (LVM)
• Responsible for Building and Installing the VIOS Servers Storage and Network using VIOS AIX 5.3 and VIO Software ver2.1 with SSH capability.
• Responsible for Converting Existing Standard LPAR build in p5 systems with AIX Version 5.3 to VIOC (Virtualized Micro partitioning LPAR) with SAN Boot LUNS or Local Disk boot
• Experience in Building new IBM LPAR eServer Machines installing and configuring AIX from the scratch on (p650, p690, p550 and p570) using NIM installation.
• Work with VIO by creating clients on the VIO servers.
• Experienced in documenting the physical server position in Datacenter.
• Experienced in planning the space for new AIX and LINUX Servers in the Datacenter and updating the Excel Sheet with the LPAR configuration and physical location in the Datacenter.
• Experienced in the network upgrade project where we moved the Ethernet cables to run from ceiling rather than underneath the servers.
• Responsible for creating maintaining and managing LPARS, LPARS and VIO with HMC console
• Responsible for disaster recovery from TSM and net backup
• HACMP upgrade from v4.5 to 5.1 and then 5.1, 5.2, 5.3 to 5.5 configured HACMP cluster to keep applications running.
• AIX 5L v5.3 MPIO support for multi-path Fibre Channel storage subsystems, as well as AIX servers configured with multiple Fibre Channel (FC) Host Bus Adapters (HBA) on a Storage Area Network (SAN).
• Monitoring the system like performance CPU, memory and disk utilization using topas, sar, vmstat, netstat, svmon, etc
• LUN mapping - Requesting LUN for storage team and mapping LUN from VIO client to LPAR.
• Worked on P550, P560, P595, P570, P 0 and P740
• Worked with Live Partition Mobility to perform migration from one frame to another
• Configured I/O drivers for Power 720 and Power 740 servers
• Expertise in Racking and Stacking of PSeries and Blade Servers
• Installed PowerVm on P520, P720, P740 and P850 boxes
• Set up Dual Vio on Power 740 Boxes
• Installed AIX and Linux Servers in PowerVm Environment
• Responsible for regular & enhanced Migration of AIX p5, p6 series servers from one data center to another and migrations within the data center which also included using Live Partition Mobility Created and configured standard and Virtual I/O LPARs
• Patching, upgrading, monitoring, performance/tuning and problem determination/resolution
• Responsible for servicing trouble-ticket requests, 3rd-party software installation, and user support, in a homogeneous AIX 5.1/5.2/5.3/6.1 environments
• Active participation in project planning and deployment
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands
• Performed installation, periodic maintenance updates
• Setup and maintained NFS, and NIS network
• Configured DNS and LDAP Server
• Maintained intranet DNS environment by configuring Primary and Secondary Domain Name Servers and DNS clients

Confidential - Omaha, NE

AIX/Linux System Admin

Responsibilities:

• Supported UNIX operating systems.
• Patched Linux OS and AIX OS.
• Created change records, contacted other team members and implemented maintained and troubleshooted complex operating systems software.
• Knowledge of UNIX HP-UX, AIX AND LINUX Operating Systems Knowledge of RS6000, HP9000, HPDL380 servers
• Knowledge of Best/1, Wily Introscope, FSecure, and WSM
• Experienced supporting and troubleshooting problems with the UNIX operating system
• Knowledge of VMware
• Knowledge to create, review and update KIs Ability to use service desk along with a basic understanding of OVO monitoring
• Demonstrated ability in troubleshooting technical issues
• Knowledge of JRA Environment infrastructure (WebSphere) Knowledge of Service Management tools and processes
• Sound decision-making ability regarding matters of moderate to high complexity and importance
• Strong analytical and problem-solving skills to solve complex problems logically and systematically
• Knowledge of client’s system infrastructure
• High technical aptitude and demonstrated commitment to technical skill development

Confidential - BLOOMINGTON, IL

AIX / Linux System Administrator

Responsibilities:

• Built Linux based high performance cluster and used tools to verify corrections.
• Racking, stacking of systems, hardware reconfiguration and debugging.
• Helped Company to move data center.
• Replicate infrastructure so that it will work on other location.
• Perform day to day tasks on Linux administration including SUSE, REDHAT and Oracle Enterprise Linux.
• Apply Security patches on prod servers which have DB2, EPIMS, and ORACLE apps running by scheduling a downtime.
• Experienced in managing and troubleshooting RHEL Operating system.
• Experience with RedHat automation tools.
• Manage user accounts on Linux
• Performed patching and upgrades on Redhat using RPM.
• Experience with Disk Storage system including EMC, San and IBM.
• Built Ubuntu servers and provided support on AIX, Linux and HPUX. Other than this I worked toward SAN side and did zoning on Hitachi, Nimble and pure Storage.
• Performed multiple disaster recovery successfully on UNIX platforms.
• Responsible for building Linux server using Vmware.
• Performed administration tasks for AIX andperformed installation, configuration and migrations from 5.3 to 6.1 and 7.1.
• Supported full life cycle of the project from build, configuration, development, testing and post-production support
• Worked on Linux based (Centos 6.3, 7.1) high performance cluster and used tools to verify corrections.
• Racking, stacking of systems, hardware reconfiguration and debugging.
• Supported LDAP server and day-to-day lab operations.
• Tested volume groups and logical volumes, extended logical volumes for file system growth using Logical Volume Manager (LVM)
• Tested the installation of Patches related to OS and proactive maintenance which involved suggesting upgrading the latest patch
• Performed testing day-to-day system administration tasks including server monitoring, back up, patch management and performance tuning
• Experience in installation, configuration, tuning, security, backup, recovery and upgrades of LINUX
• Exported file systems and fixing any mounting issues.
• File system - creation and managing, checking file system integrity, working with fsck, logical volume planning and configuration.
• File system house keeping activities such as log files house keeping, increasing file systems if there is any data growth.