SUMMARY

• 8+ years of experience working wif AIX/VIO/PowerHA/GPFS/RHEL in a production environment. Advanced knowledge of IBM AIX 5.3, 6.1, 7.1 & 7.2, VIO 2.2.3, 2.2.4, 2.2.6, 3.1.1 Power HA 5.4, 6.1 & 7.1. GPFS 3.5, 4.2, 5.0 & 5.1, RHEL 5,6,7
• Analysis, planning, designing, configuring, migration, administering, security and maintaining IBM AIX 7.2, 7.1, 6.1, 5.x, 4.x and VIO 2.x, 3.x
• Working experience of managing, troubleshooting IBM POWER 5, POWER 6, POWER 7, POWER 8 and POWER 9 series hardware.
• Experience wif RHEL (5/6/7) such as installation, administration and support which includes patching, LVM, backup / restore, troubleshooting, performance and other day to day tasks for both virtual and physical servers.
• Experience in Virtualization System Design and automated tools like Chef wif Linux and Software Configuration/Build/Release Management/Continuous Integration and expertise on version control tools like Subversion, Clear case administration, Managing build and multiple releases.
• Experience in Chef Automation tool such as bootstrapping, adding chef client configurations (Run list, cookbooks, etc.).
• Extensive expert level experience in Redhat, centos OS and different variants of Linux and managing them on various hardware platforms
• Experience in GPFS & understanding of security best practices for multi - tiered operating systems.
• Extensive experience in Storage migration from IBM SVC to EMC XtremIO and PowerMax.
• Working wif installation and managing PowerVP monitoring tool.
• Extensive experience in installing and managing PowerVC automation tool, which includes capturing OS image, deploying and managing new AIX servers.
• Configure & manage NIM masters. Migrating servers from 6.1 to 7.1 & 7.2 using NIM ADM.
• Proficient in creating NIM resources such as lpp source, spot, mksysb which are used to build new server or restore a server from backup.
• Experience in Disaster Recovery concepts which includes backup of AIX servers using mksysb and savevg and restoring at DR site using NIM server.
• Working wif Power VMVirtual IO Server, Dual VIO servers, Live Partition Mobility, Active memory sharing, Active Memory Expansion, LPAR suspend/resume.
• Experience in Virtual me/O (VIO) Shared Ethernet Adapter (SEA), VLAN, NPIV (N port ID virtualization) configuration, virtual SCSI services to multiple VIO client partitions.
• Extensive expertise in Disk storage systems, SAN, IBM SVC, EMC XIO, EMC PowerMax, Logical Volume Manger and management tools (SDDPCM, MPIO).
• Extensive experience on Shared Storage Pools in VIOs. pSeries System Firmware, HMC, SDD/SDDPCM, Fiber adapter Microcode upgrades.
• Extensive experience in network management TCP/IP, NIS, DNS, NFS and VLAN.
• Performed regular Security Patch Assessments for AIX, VIOS, HMC servers.
• Experience in moving lpars between different frames using Live Partition Mobility (LPM).
• Proficient in Utilities like: SSH, FTP, AUTOFS, User Management, Process Management, Memory Management, Log Management, Package Management, Disk Management and Files Management.
• Working wif shell scrips to automate teh jobs.
• Expertise in maintenance and support of AIX production, test and development servers.
• Understanding of backup process, system monitoring, performance tuning, disaster recovery, and scripting for AIX / VIO.
• Familiar wif ITIL process and monitoring tools such as Ganglia, Nagios, Tivoli/Net-SNMP.
• Ability to adopt to a dynamic work environment. TEMPEffective written and verbal communication skills. Ability to develop strong client relationships.
• Ability to work on 24X7 bases in various shifts.
• Ability to learn and implement new concepts at any point of my career.
• Demonstrate leadership skills which include, Change Management, Teamwork, Diversity, integrity.

PROFESSIONAL EXPERIENCE

Confidential, Salisbury, NC

Sr. System Administrator

Responsibilities:

• Extensive and end-end experience wif RHEL (5/6/7) & AIX (5/6/7) such as installation, administration and support which includes patching, LVM, backup / restore, troubleshooting, performance and other day to day tasks for both virtual and physical servers.
• Plan, document and build new Power8/Power9 hardware wif dual VIOS and HMC setup.
• Automation of complex routine tasks such as OS installations and middleware tasks such as installation and configuring tomcat/apache
• Various Linux variants such as Redhat, centos OS installation/ Migration, System support and Administration of VMware based VM’s
• Familiar and working wif source control management Github / Gitlab.
• Infrastructure integration including configuration of new and existing systems on multiple platforms, security, operating system administration, software installation, and maintenance and upgrades.
• Create and maintain policies and technical documentation to ensure efficient planning and execution.
• Recommend and implement changes to existing hardware and operating system infrastructure including patches, users, file systems and kernel parameters.
• Install, configure and manage PowerVP and PowerVC tools.
• Configure and manage Shared Storage Pools in VIOs.
• Capture teh OS image, build and manage lpars through PowerVC automation tool.
• Monitoring teh server performance through PowerVP GUI.
• Migrating lpars from Power7 to Power8/Power9 using Live Partition Mobility.
• Install, configure and manage GPFS clusters. Upgrading GPFS from v3.5 to v4.2 and v4.2 to 5.0 & 5.1
• Performing AIX, VIO and HMC upgrades, firmware and microcode updates.
• Performing OS Installation, migration, up-gradation and take centralized backups & restore them, applying APAR fixes, patches, service packs and RPM patches.
• Working on Disaster Recovery build for AIX, which includes building NIM servers, creating NIM resources, taking mksysb backups and restoring at DR site.
• Configuring NIM Master, creating resources on NIM to have network installation on clients such as standalone servers or lpars. perations on dlpar nodes, installing OS on lpars using NIM etc.,
• Configuring VIO Servers, working wif virtual adapter - creating client and server adapters, mapping adapters and allocation LUNs to LPARs via VIO etc.,
• Migrating teh servers from AXI v6.1 to v7.1 & v7.2 using NIMADM.
• Device management, including adding, changing, and configuring physical and logical devices.
• Troubleshooting system/network related issues wifin SLA framework.
• Performing daily health checks of all supported servers and taking steps proactively if any findings observed.
• Mirroring volumes groups, logical volumes and working ODM and VGDA and fixing related issues.
• Provide support for day-to-day operations in teh Development, Test, Stage and Production environments.
• Worked on VIO builds, SEA configuration and upgrading teh VIO servers from v2.2.3 to 2.2.4 and 3.1.1.10
• Analysis of Error messages and diagnosing teh adapter errors, sysplanar errors and errors on teh SAN disks using commands errpt, datapath and pcmpath.
• Monitoring day-to-day administration and maintenance operations of teh company network and systems working on AIX.
• Responsible for monitoring and working on problem tickets. Following it up wif business and technical teams, and ensuring teh problem is successfully resolved.

Confidential

Sr. System Administrator

Responsibilities:

• Experience on IBM Power System P 0, P659, P 0 P775 series Manage Systems (P4, P5 & P6) Designing and implementation. Installation and configuration on IBM power P5 & P6 hardware managed system setup, HMC configuration, HMC firmware upgrading, managed systems firmware upgrading.
• VIO server & VIO Client setup concepts designing, NIM master & client configuration setup. IBM Blade server’s configuration wif storage. From VIO servers assign to Lpar resources & IBM storage space assign to LPAR’s. Managed Systems Experience on P570, P595, Z & me Series environment Design & Architect.
• Create, deploy and manage Linux and Windows VM using Red Hat Enterprise Virtualization Manager, which includes moving and migrating VM from one cluster to another cluster or wifin teh same cluster, and Managing ESXi servers using vSphere client and vCenter for managing multiple ESXi servers.
• As an Enterprise Server administrator was responsible for remote monitoring of Production, Staging and Beta Environment Boxes for network connectivity and application failures, based on customized monitoring methods
• Applied patches every quarter regularly to meet audit requirements using Red Hat Satellite server, Up2Date, YUM and RPM tools
• Installation of systems using Jumpstart for Sun Servers and Kickstart for RHEL on HP HW
• Performed SAN Migration on AIX servers.
• Configured, administered and TEMPeffectively monitored AIX on IBM blade center servers and P-series servers.
• Experience configuring DNS, FTP & NFS on AIX servers.
• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms. Administering NFS Mounts.
• Unix User (individual & Application) accounts, Groups creation setting passwords, home directories and assigning permissions to them wif Manager and resource owner approvals
• Experience in Mapping SAN allocated LUNS to Virtualized VIOS Server to VIOC virtualized client and experience in creating SEA (Shared Ethernet Adapter) and VSCSI (Virtualization SCSI Adapter) mapping to VIO client.
• Experience in Building and Installing teh VIOS Servers Storage and Network using VIOS, AIX 5.3v, 6.1v and VIO Software ver. 2.1.2 & 2.1.3 wif FP wif SSH capability. Expert in Creating and managing SEA and virtual SCSI adapters. Extensive Experience in Converting Existing Standard LPAR build in p5 & p6 systems wif AIX Version 5.3v, 6.1v to VIOC (Virtualized Micro partitioning LPAR) wif SAN Boot LUNS or Local Disk boot.
• LPAR, DLPAR, Mksysb config, OS upgrade. Perform on AIX 5.1, 5.2, 5.3 & 6.1V wif Technology level wif Service pack updates. LPAR’s & VIOS migration from one managed systems to another managed system, IBM Capacity on Demand administration. Applying Latest APAR and eFixes for AIX LPAR Systems.
• Experience in Server LPAR Migration From one hardware to another (p4 to p5 or p5 to p6) and AIX OS migration from Lower level to Higher Level, using NIM server, and different type of Migration methodology.
• Experience in disaster recovery activity for AIX by taking server backups and restoring it.
• Experience in building NIM server and NIM resources used for installation and restoring AIX servers.
• AIX security level setup, VG, LV, rootvg disk mirroring, Set performance data collections NMON client and NMON web server setup. Migrated wif all applications (SAP, Java based applications) and oracle Database ingrates on AIX servers.
• HACMP (Power HA) clustering administrator & configuration. Experience in installing. on HACMP5.4 & 6.1 cluster setup wif HACMP Heartbeat IP based & Fiber channel setup. Experience in Failover testing of different type of HACMP Clusters setup.
• Server restoration using mksysb and savevg, using other backup commands such as backup, restore, tar etc.,
• Troubleshooting booting related issues, creating boot records, working wif system maintenance mode, accessing rootvg in system maintenance mode, recovering root password, fixing booting related issues, working wif bootlist.
• Performing daily health checks of all supported servers and taking steps proactively if any findings observed.

Confidential

System Administrator

Responsibilities:

• New system planning, backup of teh system and restoring data in teh event of disk failure. Device management, including adding, changing, and configuring physical and logical devices.
• User Management - Creating, maintaining, and removing users and groups. Security settings on user accounts and groups.
• File system management using LVM, User, Patch and Security Management, Problem management.
• Troubleshooting booting related issues, creating boot records, working wif system maintenance mode, accessing rootvg in system maintenance mode, recovering root password, fixing booting related issues, working wif bootlist.
• Disk Storage Management in AIX - Logical and Physical Volume management, configuring disks, working wif volume groups, logical volumes, and physical volumes.
• Mirroring volumes groups, logical volumes and working ODM and VGDA and fixing related issues.
• Monitoring teh system, cpu, memory and disk utilization using topas, sar, vmstat, netstat, nmon, etc.
• NFS Administration, exporting file systems, mounting exported file systems, working nfs daemons and fixing any mounting issues.
• System backup and restore, Daily security checks, Third party software installation and upgrades, scheduled system health checks.
• Procedure documentation, New system planning, Customer support, System related problem determination and resolution.
• Performed installation, periodic maintenance updates and applied APAR fixes.
• Working wif paging spaces - creation, increase, decrease paging spaces as per teh requirement.
• NFS Administration, exporting file systems, mounting exported file systems, working nfs daemons and fixing any mounting issues.
• Configuring NIM Master, creating resources on NIM to have network installation on clients such as standalone servers or lpars. perations on dlpar nodes, installing OS on lpars using NIM etc.,
• Configuring VIO Servers, working wif virtual adapter - crating client and server adapters, mapping adapters and allocation LUNs to LPARs via VIO etc.,
• System backup and restore, Daily security checks, Third party software installation and upgrades, scheduled system health checks.
• Procedure documentation, New system planning, Customer support, System related problem determination and resolution.
• Assist teh migration project, migrating 50+ AIX servers. Provide day to day UNIX system administration support for work such as account administration, file systems management, and application install assistance and troubleshooting.
• Patch and package management, user and group management, Day to day server management which includes Disk management, LVM management, User Management, Software installations, job Scheduling, backup and restorations
• Migrating Operating System - From AIX 5.2 to AIX 5.3. Installing OS patches/TL upgrades using alternate disk installation method.
• Performing server health checks. Servers monitoring and their performance tuning. Working wif System dump, configuring system and taking manual system dump.