Lead. AIX/UNIX SYSTEM ADMINISTRATOR

Over 12 years of experience with Mid-Range Systems such as IBM AIX and LINUX Servers. Offering extensive experience in planning, designing, installing, administrating, configuring, planning upgrading

• Extensive experience in installing, configuring, maintaining, design, development, implementation, and support on IBM AIX 5.x 6.1.
• Experienced in designing and developing internetworking solutions, designing multi- protocol enterprise networks and integrates components including inter/intra/extranets, and LAN/WAN technologies.
• Strong in System Administration, Installation, Upgrading, Migration, Configuration, Troubleshooting, Performance Tuning and Disaster Recovery of AIX RS 6000 and P-series systems.
• Experience in installation and configuration of Virtual I/O Server VIOS .
• Experience supporting Different HW like Dell Power Edge, HP Proliant and HP, IBM Power Systems IBM Blade Centers.
• Administrating NDM/Autosys/Samba services on UNIX servers.
• Used Service now, USD and Virtual Tech, Remedy for tickets, BMC and Tivoli for performance monitoring, also documented the procedure adopted to solve performance issues.
• Experience with installation of support of applications which include Apache 2.2.x, WebLogic 9, 10, JBoss 4.2, TIBCO, Oracle, Informatica, CA eTrust etc.
• Experience in architecting, setting up data centers and migration of applications.
• Experience in Performance Monitoring of CPU, Memory, Disks, Network using various monitoring tools like BMC for UNIX.
• Experienced in creating maintaining and managing LPARS, DLPARS and VIO with HMC console.
• Installed, monitored and supported WebSphere Application Server / Apache Web Servers in AIX/Linux.
• Installed and build from scratch complete VERITAS cluster management Setup.
• Installed and Configured PowerHA SystemMirror 6.1 7.1.
• Installed MicroStrategy, Websphere, IBM Content Manager, Adobe LiveCycle Enterprise Suite 4, Enterprise content management and various applications.
• Supporting and managing IBM pseries servers P5/P6/P7 using HMC1 version V7R3 and HMC2 version V7R7.
• Created/Installed/Configured Dual VIO servers version 2.1.3 and client Lpar's from scratch on p780 and p795 Frames with SEA failover.
• Set up and configure virtual resources' virtual SCSI, virtual Ethernet, and virtual FC .
• Setup DR Environment at DR site. This setup includes creating and configuring virtual clients LPAR, installing AIX images from existing servers and performing DR test.
• System administration using AIX platform with HACMP configuration.
• Done HMC, HDLM Hitachi and EMC SAN stack driver upgrade Control-M fix packs, ML upgrade, Ether Channel configuration.
• Experience in DNS, NIS, NFS, LDAP, Send mail, ftp, remote access, security management, and system troubleshooting skills.
• Experience in Migrations and Decommissioning of the systems.
• Managing cron jobs, batch processing and job scheduling.
• Using Configuration Management IT automation tools CFengine Puppet.
• Worked as change manager for AIX related change requests, used to verify and approve changes.
• Provided production support in an on-call rotation in a 24x7 environment.
• Sincere, enthusiastic, hardworking with good communication and interpersonal skills and appetite to learn new skills

TECHNICAL SKILLS AND ENVIRONMENTS

PROFESSIONAL EXPERIENCE

Senior AIX /UNIX System Administrator

Confidential

Responsibilities:

• Responsible for engineering, Design, and administration of AIX and other UNIX operating systems. . Manage complex AIX/ Linux environments running latest Power technologies such as LPARs, Micropartioning, and Virtual I/O.
• AIX 6.1/7.1, installation, administration, configuration, maintenance, performance tuning, backup, recovery, problem determination and root cause analysis RCA .
• Responsible for AIX patching to AIX 5.3/6.1/7.1 on IBM P-6 / P-7 series FHB-p795, MMC-p770, p750, p740, p595, p560, p570 servers.
• Primary responsibility includes building and supporting AIX and Red Hat Linux which includes test, Production and DR environment.
• Handled project for server builds which included building RedHat 5.x Physical and VM's server using NIM/TPM kickstart server.
• Migrating servers from P5 and P6 hardware to P7 hardware as part of the Data Center Migration. Building and configuring VIO servers and clients to support SRDF LUN configuration through virtualization
• Installed various applications as per the Citibank standard. Designing, Building and Configuring New VIO servers in P7 P6 frames. Configuring new VIO clients on P5-595, P780 and P795s.
• Responsible for Datacenter migration and P5 to P7 migration.
• Responsible for capacity planning to manage hardware resources on P6 and P7 systems.
• Directs resources to manage all aspects of the AIX platform in all environments including multiple vendors for production environments.
• Experience planning and executing Datacenter relocations and/or consolidations
• Reviews and approves the analysis, design of systems for medium to high complexity systems problems according to specifications and standards.
• Experience installing, configuring and supporting IBM P4, P5, P6 and P7 including managing and updating system and devices firmware
• Installed and configured dual Virtual I/O servers with SEA active/active configuration.
• Performed NIM installation, setup NIM servers, clients, defining and managing NIM resources.
• Configure virtual client with NPIV storage and virtual VSCSI.
• Installed and configured HACMP 6.1 for two nodes cluster with active/active and active/passive configurations.
• Administrating NDM/Autosys/Samba services on UNIX servers
• Racking, installing, migrating and upgrading HMC to latest level.
• Experience performing LPM on Power7 servers using HMC.
• Back up HMC critical console data, LPARs profiles, system backup of virtual I/O servers and clients.
• Created /Installed/Configures virtual I/O client LPAR using HMC on power6/7 machines
• Experience setting up Power Systems from scratch which includes capacity planning, designing, racking, cabling, configuring installing Virtual I/O server and clients using NIM.
• Extensively working experience in LVM, which includes creating VG, LV, file system.
• Upgraded AIX TL on multiple production and non production servers.
• Installed and configured two and four nodes GPFS cluster in Oracle RAC environment.
• Restore the backup of production file systems onto dev box using IBM LTO3.
• Configured SEA with active/active and ether channel failover configuration.
• Prerequisites, creating procedures and configuration for project documentation.
• Created user accounts and groups and performed user account management.
• Configured volume groups and logical volumes, extended logical volumes for file system growth need using Logical Volume Manager LVM commands.
• Worked on day to day administration tasks including server alerts, Incident ticket and change request using Service Now.
• Respond to emergency calls relating to server performance, diagnosis of problems, repairing problems or calling upon appropriate vendors to resolve the issue.
• Coordinated replacement of faulty hardware for various IBM and HP servers with appropriate vendors as a part of proactive maintenance for project.
• Installed MicroStrategy, Websphere, IBM Content Manager, Adobe LiveCycle Enterprise Suite 4, Enterprise content management and various applications.
• Provide 24 7 production support and performed weekend changes during maintenance window.
• Extensively hands on experience for troubleshooting LVM and system management.
• Applied software maintenance, program fixes and keeping the system software releases updated.
• Supporting the AIX 6.1/7.1 environment through the entire server life cycle - forecasting to acquisitions through decommissioning and collaborate with other technical team.
• Provided 24x7 on-call / Remote Support for UNIX Production Problems on weekly rotation basis.
• Troubleshooting day-to-day server related issues and problems.
• Troubleshooting problems using native AIX tools and utilities to check system status including CPU, memory, and space utilization. Identify root causes hardware, operating system, application and take appropriate actions to resolve, working with internal resources and third party vendors to provide complete solutions.

Environment:-IBM AIX 5x/6.1/7.1 and Linux WebSphere AppServer 5.0/4.0, Windows XP professional, IBM HTTP Server, Tomcat, Samba Server, DB2, Oracle11g, Oracle10g, ASM, Oracle RAC, Oracle Grid Control, Comvalut, Virtualization, LPAR, DLPAR, HACMP6.1, GPFS 3.4, HMC, NIM, IBM SVC, Demantra, EBS, Manhattan, Lawson, APEX, PM4data, WMS, RED PRAIRIE, NMON, MICROSTRATEGY, SOFTGROCER, IBM DS8300, DS8700, DS4800 series, Cisco SAN switches, IBM SVC cluster , Helpdesk,

Machines:-IBM power server p795, p770, p750, p740, p595, p570, p561, p560 p550, p520, p510, p55A, p505, p620, p650, p655, p670, p690 , RS 6000. IBM SSA, LTO 2/3 tape library, CISCO Switches.

Confidential

Sr. AIX Administrator

Responsibilities:

Cocteau is one of the largest projects in the organization with management of nearly 400 AIX servers of a global banking conglomerate Standard Chartered Bank .The 24X7 support and stringent SLAs keeps us on our toes all the time.

• Troubleshooting problems using native AIX tools and utilities to check system status including CPU, memory, and space utilization. Identify root causes hardware, operating system, application and take appropriate actions to resolve, working with internal resources and third party vendors to provide complete solutions.
• Responsible for AIX systems installation and support company-wide critical applications
• Monitor, Optimize tune the system to achieve performance levels in standalone multi-tiered environment
• Ensure server data integrity by evaluating, implementing and managing software and hardware solutions.
• Administrating NDM/Autosys/Samba services on UNIX servers
• Responsible for capacity planning to manage hardware resources on Power6 Power7 systems.
• Installing and Configuring and upgrading IBM Hardware Management Control HMC .
• Linux OS installation, configuration troubleshooting and supporting 24 7 mission critical environments.
• Experience configuring system and application backup using Comvault and Storix.
• Responsible to install and manage OS patches such TL, APAR, and SP . Ensured that all systems are updated with periodic hardware and software maintenance.
• Installed and configured 2 4 nodes HACMP 5.4 cluster with multiple resource groups with active/active configuration.
• Participated twice a year in DR exercise to ensure that all business critical systems are recoverable.
• Responsible for managing system and user data backups using operating system utilities.
• Developed program in Korn Shell to automate routine workload including daily administrative tasks.
• Configuring TCP/IP network on UNIX server such IBM RS6000, Pseries .
• Research, Test and Implement new PowerVM features such Workload portioning and Active memory sharing.
• Install and update different multi-pathing software such as IBM SDDPCM, Hitachi HDLM and EMC Power Path.
• Utilized various SAN storage IBM DS8100, DS8300, EMC, Hitachi on Power system for AIX/Linux.
• Lead and managed multiple projects simultaneously such as DR, Datacenter Migration and upgrade
• Implemented UNIX user management, UNIX security management and network management.
• Responsible for AIX install, upgrade and administration of IBM pseries/Powerer6 servers on various levels of AIX operating system.
• Installed and configured two nodes RAC environment with GPFS filesystem running AIX 6.1.
• Lead IBM hardware and AIX operating systems migration to latest versions
• Installed and racked three p6-570 servers from the scratch, cabled and documented.
• Upgraded of managed machine and devices' firmware/microcode.
• Setup and configured virtual recourses virtual scsi, virtual Ethernet, NPIV
• Programming in shell scripting and debugging codes.
• Participating in weekly change control meeting QRB to present AIX production change and performing changes on approval.
• Install golden image of AIX 5.3 and 6.1 using Storix System Backup utility.
• Installed, configured and tested two nodes HACMP 5.4 cluster with multiple RG.
• Created/Installed/Configured four Dual Virtual I/O servers with SEA failover, MPIO link aggregation on p5-570.
• Configured volume groups and logical volumes, extended logical volumes for file system growth need using Logical Volume Manager LVM commands.

Environment:-- AIX, Linux, Virtual I/O VIO Server, Maximo, SAP, Lawson, HMC, Load Runner, Tivloli Storage Manager TSM , Virtualization, Tivoli Productivity Center TPC , Tivoli Workload Scheduler TWS , IBM Storage Volume Controllers SVC , PM4data., GPFS, HACMP, BMC Patol, SSH, NMON, SSL, Putty, VMWare, TCPIP, NPIV, LPM, ORSYP, ORION, RAC, MS Office, MS Visio.

Machines:-IBM RS6000 H50, B50 , IBM pseries4/5 p610, p620, p650, p690 p505, p510, p520, p55A, p550, p570, p575, p595 , IBM Power6 P520, P550, P560, P570, P595 , IBM HMC 7310-CR3, IBM BladeCenter JS23, IBM BladeCenter JS22 Express, IBM BladeCenter JS12 Express, PowerVM

Equipment:-Brocades SAN Switches, Cisco SAN Switches, Cisco Network Switches.

Confidential

Sr.Unix Administrator

• Demonstrated understanding and experience with operating systems, network topologies, communications
• Configured volume groups and logical volumes, extended logical volumes for file system growth.
• Supporting mid range infrastructure specifically IBM AIX running on IBM servers.
• Performed testing to verify failover and fallback of Dual VIO server on p5-570.
• Create standard LPAR and performed DLPAR operations to manage recourses between machines. Managed multiple profiles on LPARs.
• Created /Installed/Configured Dual Virtual I/O server with MPIO access to storage.
• Installing and configuring, upgrading IBM Hardware Management Control HMC .
• Performed NIM server setup, clients, defined NIM resources such as lppsource, spot mksysb.
• Back up HMC critical console data, LPARs profiles, system backup of virtual I/O servers.
• Created /Installed/Configures virtual I/O VIO server client LPAR using HMC on power machines
• Installed in configured two and four nodes HACMPS cluster and Oracle RAC environment.
• Installed, configured and supported 2 nodes HACMP cluster with multiple resource group configurations.
• Responsible to install, configure and troubleshoot two nodes Oracle RAC cluster with ASM disks configuration.
• Responsible to support company-wide critical applications running on AIX and Linux operating systems
• Monitor, Optimize tune the system to achieve performance levels in standalone and multi-tiered environment
• Red Hat Linux OS installation, configuration troubleshooting and supporting 24 7 mission critical environments.
• Responsible for AIX install, software maintenance and administration of IBM Power4, Power5 servers.
• Upgraded of managed machine and devices' firmware/microcode on Power4/Power5 servers.
• Installed and configured multiple dual Virtual I/O servers and clients using NIM.
• Created configured standard micro partition LPAR assigned with virtual and recourses.
• Setup and configured virtual recourses virtual scsi, virtual Ethernet
• Configure and allocate SAN LUN's on DS8300 arrays with SDDPCM multi-pathing utility
• Created/Installed/Configured four Dual Virtual I/O VIO servers with SEA failover, MPIO,link aggregation, Virtual SCSI, on p5-570, p590 serves.
• Responsible for installing third party software and maintaining installed software.
• Managing and allocating SAN Storage LUN for AIX servers.
• Upgrade the firmware of managed systems p5570 / p5-570/550/520/55A,
• Upgraded Tivoli Client 5.2 to 5.5 on 90 Dev and QA servers.
• Hands on experience on p5 series hardware which includes hardware planning, racking, cabling, connecting with SAN and HMC, installing OS, upgrading OS to current TL and preparing box for applications and database.
• Installed and configured HACMP 5.4 on IBM p570 server running AIX 5.3.
• Provided 24 7 on call production support and resolved tickets through Clarify ticketing system.

Environment:-HP-Openview, Orsyp, Comvault, AIX, Red Hat Linux, Virtual I/O VIO Server, SAP, HMC, Oracle EBS, Manhattan, Load Runner, Tivloli Storage Manager TSM , HACMP, GPFS, Tivoli Productivity Center TPC , Tivoli Workload Scheduler TWS , BMC Patol, SSH, SSL, Putty, VMWare, Virutal SCSI., DB2, MS Office, MS Visio

Machines:- IBM pseries4 p610, p620, p650, p690 , IBM pseries5 p505, p510, p520, p55A, p550, p570, p575, p595 , IBM Power6 P520, P550, P560, P570, P595 , IBM HMC 7310-CR3, CR

Equipment:-Brocades SAN Switches, Cisco SAN Switches, Cisco Network Switches.

Confidential

AIX/Linux System aDMINSTRATOR

• Supporting mid range infrastructure specifically IBM AIX environment running on pseries.
• Installed 100 AIX 6.1 images on virtual clients LPARs using NIM master.
• Lead migration project which includes migrating from old hardware, OS, SAN, and datacenter.
• Migrated 250 AIX5x from p5 servers to p6-570 hardware from datacenter Benton Harbor to data center in Kalamazoo, MI.
• Migrated SAP env which includes 200 AIX servers from AIX 5.2ML10 to AIX 5.3TL8. Upgraded AIX 5.2 ML level for to ML10.
• Installed and racked three p6-570 servers from the scratch, cabled and documented.
• Created/Installed/Configured nine Dual Virtual I/O servers on p6-570 with SEA failover, MPIO and link aggregation on p6-570.
• Performed testing to verify failover and fallback of Dual VIO server on p6-570.
• Create standard LPAR and performed DLPAR operations to manage recourses between machines. Managed multiple profiles on LPARs.
• Create /Installed/Configured Single Virtual I/O server with MPIO access to storage.
• Configured Link Aggregation, Shared Ethernet and MPIO on Virtual I/O server
• Created 50 Virtual I/O client LPAR on different IBM p5/p6 hardware using HMC.
• Perform SAN migration on 60 database server from DS8300 to NetApp disks storage.
• Managing and allocating LUNs on NetApps FAS6000 Series for AIX hosts.
• Install golden image of AIX 5.3 and 6.1 using Storix System Backup utility.
• Installed AIX 5.3 and 6.1 using Media and mksysb.
• Performed SAN switch migration from Cisco Switch to Brocade.
• Upgrade the firmware of managed systems p6-570 / p5-570/550/520/55A,
• Upgraded HMC firmware from version 6 to 7.
• Upgraded 30 Prod/70 Dev AIX 5.3 servers from TL05 SP2 to TL08 SP2.
• Upgraded Tivoli Client 5.2 to 5.5 on 90 Dev and QA servers.
• Migrated Sorix backup software from 6.2.2. to 6.3.3.
• Hands on experience on p5 series hardware which includes hardware planning, racking, cabling, connecting with SAN and HMC, installing OS, upgrading OS to current TL and preparing box for applications and database.
• Backup and restore rootvg using Storix backup utility.
• Installed and configured HACMP 5.4 on IBM p570 server running AIX 5.3.
• Configured two nodes cluster with three RG configuration for keeping DB server up.
• Performed Alternate Disk Migration ADM on production server from AIX 5.2ML8/HACMP 5.2 >> AIX 5.3 ML4/HACPM 5.4, while 4 node cluster up and running
• Experience in manipulating JFS/JFS2 files systems including creation, modification deletion.
• Created user accounts and groups and performed user account management.
• Installed and configured Sudo for users to access the root privileges.
• Installed and configured SSH on all migrated servers.
• Write/Execute/Update Standard Operating Procedures from simple to complex
• Provided 24 7 on call production support and resolved tickets through Clarify ticketing system

Environment : IBM AIX v5.1, v5.2, v5.3, p6-570 and p5-595, p5-590, p5-570, p5-55A, p5-505, p-650, p-630, p-620, p-610, B50, and F50servers, LPAR, DLPAR, Virtual I/O, Multiple HMC WebSM, , NIM, KORN Shells, Storix 6.1, TSM, SAP, NetApp, Shark and Orcale, DB2Tivoli Workload Scheduler TWS , Tivoli Management Framework TMF , Tivoli Enterprise Console TEC , Tivoli Storage Manager TSM , , Lotus Notes, Oracle/DB2

AIX/Linux System aDMINSTRATOR

• Provided 24 7 on call production support and resolved tickets through Clarify ticketing system
• Supported and configured for IBM p5- 550, 570 , RS/6000 servers running IBM AIX
• Hands on experience on p5 series hardware which includes hardware planning, racking, cabling, connecting with SAN and HMC, installing OS, upgrading OS to current TL and preparing box for applications and database.
• Expertise in creating standard LPAR, VIO server and VIO clients using HMC on p5 servers.
• Planned/Created/Installed/Configured two Dual Virtual I/O servers with SEA failover, MPIO and link aggregation on p6-570.
• Installed AIX 5.3 TL7 SP3 on more the 50 LPARs using NIM server.
• Responsible for NIM installation, setting up NIM servers, clients, define various NIM resources like lppsource, spot, mksysb.
• Configure and allocate SAN LUN's on NetApp and EMC Storage Arrays
• Back up of HMC critical console data, LPARs profiles, system backup of virtual I/O servers and clients.
• Created /Installed and Managed 40 LPAR using HMC on p570 and p550 machines.
• Performed performance monitoring using nmon and HP open view utility.
• Extensively working experience in LVM, which includes creating VG, LV and file system.
• Upgraded the microcode of 570/550 and redundant HMC.
• Configuring and setting up TCP/IP for ethernet adapter.
• Analyzed and resolved hardware and software issues.
• Copied all users from exiting production server to new dev server.
• Prerequisites, creating procedures and configuration for project documentation.
• Created user accounts and groups and performed user account management.