SUMMARY:

• 8 years of extensive experience in UNIX System Administration in IBM AIX (4.x/5.x/6.x/7.1), and Red Hat Linux (Versions 5.0 - 6.7) and Oracle Linux
• VMware ESX/ESXi and Oracle VM virtualization technologies, including provisioning, maintenance, and management of VM’s
• Creation and configuration of Logical Partitions LPARs VIOC and VIOS using Hardware Management Console (HMC)
• Strong experience in migrating from AIX 5.3 to AIX6.1 as well as AIX 7.1
• Implemented day-to-day tasks in RedHat Linux include upgrading RPMS, kernel, HBA driver, configure SAN Disks, Multipathing and LVM file system
• Experienced in supporting database systems including Oracle, Sybase, UDB, DB2 on Linux and Solaris Environment
• Experience in Setting up NIM servers and clients for New & Complete Overwrite / Migration Installation management
• Expertise in System Administration, Installation, Upgrading, Migration, Backups, Configuration, Troubleshooting, Performance & Tuning and Disaster Recovery of AIX RS 6000 and P-series systems
• Disk Management, Logical Volume Management (LVM) on P-series systems including P570, P590, P595, P520,650, 670, 690 and Power 740, 750, 770, 780, 795
• Extensively experienced with various methods of AIX Installation/Migration using Network Installation Manager (NIM)
• Expertise in Veritas and Tivoli net backup tools. Also experience with Disaster Recovery
• Experienced in creating maintaining and managing LPARS with HMC console.
• Adept with working on both VIO clients and VIO servers
• Worked with installation, configuration and support of Oracle 9i & 10g, DB2, Websphere, and SAP
• Experience in updating AIX ( in 5.3,6.1,7.1)OS Technology Level upgrades
• Worked on Configuring NPIV for configuring Netapp storage for a power5, power6 and power7
• Proficient in Backup utilities, Restoring, Cloning, Mirroring, installing patches, fixes, device drivers, latest software’s-home grown or third party
• Strong in Documentation practices and preparing Company Specific Procedures for various UNIX and related tasks
• Experience in Shell scripting (bash, ksh) to automate system administration jobs
• Hands-on experience in various monitoring tool like HPOM, Netcool
• Experience in setting up network environment using NFS, NIS and LDAP
• Experienced in working with SAN team, Network team, Performance team, Capacity team, Application team and Database team to resolve issues and provide excellent Customer Satisfaction
• Experience in installation, configuration and administration of WebLogic and Websphere, IBM MQ Servers

TECHNICAL SKILLS:

Operating Systems: IBM AIX (4.3, 5.1, 5.2, 5.3, 6.1, 7.1), Linux (Red hat) versions 4 5 6, 7 HP-UX, Solaris, Windows 03/00/NT4.0Hardware: IBM RS/6000, IBM Blade center, JS20, JS21, HS20, p6-550/p6-570 and p5-595/p5590/p570/p550/p520/p55A/p505/p620/p650/p 655/p670/p690, SUN Enterprise 450. HP Proliant DL 380,390.

Web Servers: Apache Http Server, IIS 4.0/5.0. Tivoli Management Framework (TMF), Tivoli Enterprise Console (TEC), Tivoli Storage Manager (TSM), Tivoli Workload Manager and Scheduler, NetBackup

Languages: JavaScript, HTML, JAVA, C, C++, Korn Shell programming, PL/SQL

Databases: Oracle 8i/9i/10/11g, DB2, Sybase, MS SQL SERVER 7.0/2000.

Networking: TCP/IP, DNS, DHCP, Cisco Routers/Switches, and LA

Other Skills: LPAR, NIM, TSM IBM tape libraries. P2v, v2v, Storage vmotion, ESXi, Vcenter.

PROFESSIONAL EXPERIENCE:

Confidential, Dallas, TX

System Administrator

Responsibilities:

• Responsible for Administration of Redhat Linux servers, configuring and migrating AIX p5, p6 servers to Redhat Linux 6.X servers with all set of services configured
• Responsible for design, install, maintain and troubleshoot highly available Linux systems including development, test, staging, production and DR environments
• Maintaining relations with project managers, DBA's, Developers, Application support teams and operational support teams to facilitate effective project deployment
• Installed and configured virtual as well as physical OS builds (Redhat 6.X) on x86 servers. Installed Linux on HP Proliant DL Series servers using Integrated lights-Out (ILO) and Virtual Media.
• Worked with network team on configuring the network connections on the new Servers also worked closely with the Data Center Operations team to rail and stack the servers in the racks.
• Responsible for Linux deployment Administration, performance tuning, monitoring and account management
• Performed routine LVM tasks like replacing failed drives, adding new volume groups, extending volume groups/LVM/file system, exporting and importing volume group
• Create, delete and modify local user and group accounts as well as LDAP(Centrify) user and group accounts
• Install and configure software packages from a remote repository and install proper software packages
• Manage systems routine backup, enabling cron jobs, enabling system logging and network logging of servers for maintenance
• Worked with DBA's to install RDBMS database, restore and generate logs
• Administered Backup and Restore operations using Veritas NetBackup
• Work with tools in an enterprise setting including Change Management, Incident Management, Problem Management and Request Management as per ITIL Process
• Configure dynamic and static network settings for IPV4. Review Filesystem management concepts, removable media and configure NFS and Swing Storage
• Hardening the servers as per the compliance norms by analyzing the availability of services that are needed on the servers based on the functionality and disabling the services which are not needed
• Wrote Technical documentation for various production servers and worked with Technical writer to finalize/approve the documents.
• Participated in Disaster Recovery exercises for applications on different platforms

Confidential, Phoenix, Arizona

UNIX System Administration

Responsibilities:

• Worked on a project involving migrating LPAR/servers from Power 6 to Power 7 Hardware.
• Worked on RHEL, Oracle Linux version 4, 5, 6, 7
• Worked on Storage migration project moving SAN storage from EMC to IBM.
• Worked on building new LPARs based on Power VM ( IBM Virtualization )
• Migrated OS from 6.1 to 7.1
• Applied patches TL/ML updates to AIX server
• Have migrated servers from Power 6 to Power 7 by using Live Partition Mobility.
• Was involved in rack and stack, cabling and power up of the servers.
• Worked on firmware upgrade for both server as well as devices.
• Also worked on installing few Red Hat Linux servers on Blades
• Worked on Data Center Migration using various methods - P2v, v2v, Live Partition Mobility, standard backup, as well as physical servers migration
• Used Blade logic tool for patching UNIX servers.
• Configured and used splunk for syslog reporting.
• Used Nagios monitoring as well as BMC patrol
• Setup servers from rack and stack, installing ESX, adding it Vcenter and creating Virtual servers.
• Experience in Multi Partitioning and Server Virtualization.
• Experience in NPIV and MPIO
• Worked on EMC SAN for storage on UNIX servers.
• Worked on UCS server for virtualization using ESX 4, 5

Confidential, Houston, TX

System Administration

Responsibilities:

• Worked as a AIX build engineer on a SAP project which involved building over 150 AIX servers including virtual servers (VIO) on power 7 machines over a span of two months.
• Responsible for installation, troubleshooting and maintenance of Solaris 8, 9, 10, AIX 5.3, 6.1, 7.1 servers and Red Hat Linux 5 and 6 and RHEL version 5 and 6
• Responsible for installing AIX on IBM p-series 520/530/550/570 power 6, power7
• Responsible for the operation, maintenance and integrity of a distributed, networked Solaris, AIX and Linux based environment.
• Strong experience in migrating from AIX 5.3 to AIX6.1 as well as AIX 7.1
• Experience in updating AIX ( in 5.3,6.1,7.1)OS Technology Level upgrades
• IBM RS/6000 SP System Software Maintenance, AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Management of a diverse virtualization environment via Vsphere and Vcenter, including disk management/VSCSI/Vmotion, virtual networking, and V2V/P2V migrations.
• P2V migrations using Platespin technology.
• Expertise in NIM installation, setting up NIM servers, clients, defines various NIM resources like lpp source, spot, mksysb, image.data, bosinst.data.
• Responsible for Designing SAN architecture, monitoring SAN disk.
• Responsible for Alternate Disk Migration with NIM.
• Maintained system backup’s mksysb, savevg and savevgcd.
• Responsible for building VIO servers, VIO server configuration on IBM Power 6 Frames.
• Worked on projects with writing documents and used Visio diagrams for planning.
• Worked on VERITAS File System, VERITAS Volume Manager and VERITAS Cluster Server.
• AIX System Administration using SMIT.
• LDAP administration and protocol
• Installed AIX on IBM Bladecenter JS22, JS42 server via NIM.
• Setup and configured network TCP/IP on Solaris and AIX servers.
• Responsible for installation and configuration of HACMP.
• Extensive use of VERITAS Cluster Services, Installation of VCS, Defining Resource Groups, Vxfs.
• Responsible for Cluster Node Management in Fail over scenarios, Fail over testing.
• Configured, Failover tested, maintained various SAP applications and resources in a highly available environment.
• Experienced in Backup of Cluster nodes, Switching Cluster resources and Applications.
• Experience in Multi Partitioning and Server Virtualization.
• Experience in NPIV and MPIO
• Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Netapp, Nagios, F5 BigIP Auto mounts, Send mail and Print servers as per the client’s requirement.
• Experience in administration configuration of Web logic Administration
• Logical Volume Management (LVM) of AIX.
• Predefined and Customized Volume Group management on AIX.
• Disk Management on AIX using SMIT.
• Disk Replacement Strategy on AIX.
• Worked on Data Center Migration using various methods - P2v, v2v, Live Partition Mobility, standard backup, as well as physical servers migration
• Performance Management & Tuning of AIX /UNIX Kernel.
• Managing cron jobs, batch processing and job scheduling.
• Experienced in Installing Tivoli Access Manager V 6.0.0.4, V 6.0.0.5, Monitoring of resources on TEPS.
• Worked on VMware, ESX server and P2V migration through plate spin servers
• Worked on AS400 machines.
• Experience in Administrating Tivoli Storage Manager.
• Experience with automation and scheduling using Tivoli Workload Manager and Scheduler.
• SAP Software installation and maintenance.
• Security, Disaster Recovery, users and groups administration.
• Networking service, performance, & resource monitoring.

Confidential, Los Angeles, CA

AIX/UNIX System Administrator

Responsibilities:

• Responsible for installing, configuring and maintaining AIX servers including the logical partitioning on pSeries 550, 570, 595 servers.
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment
• Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement.
• Build, configure and deploy VMs and templates. Completed Physical-to-Virtual (P2V), Virtual-to-Virtual (V2V) and Virtual-to-Physical (V2P) migration of Windows NT, 2000, 2003, 2008, and 2012 as well as Linux servers from VMware, Hyper-V, Xen and legacy hardware.
• Hands on experience in iSCSI, NFS, and Fiber Channel protocols, Fiber Channel cabling, switching, and zoning.
• Analyze and troubleshoot on an advanced level, performance of SAN-backed VMware ESX infrastructure to determine proper allocation of resources to a multi-department user population with widely varying needs.
• Customize layer 2 and layer 3 networking between VMware, networking components and storage for high availability and maximum performance.
• Develop, test, and maintain a disaster recovery plan for critical VMs and application data.
• Expertise in disk mirroring, file system management, logical volume management, network management in AIX.
• Responsible for installation, troubleshooting and maintenance of Solaris 8, 9, 10, AIX 5.3, 6.1, 7.1 servers and Red Hat Linux 5 and 6., and RHEL 5 and 6
• Installed VIO server Advanced POWER Virtualization on IBM P5 System. Assigned resources by making six partitions LPAR client of VIO server and clients Installation.
• Installed and configured VIO server via HMC. Worked on configuring Netapp storage using NPIV.
• Build two node active-active and active passive HACMP clusters
• Build LPAR, DLPAR resources for IBM pSeries servers.
• Applying software maintenance, program fixes and keeping the system software releases current.
• Installed and configured two node HACMP Clusters.
• Experience in NPIV and MPIO
• LDAP administration and protocol
• Migrated HACMP 4.3.1/4.5 to HACMP 5.1 using Node-by-Node migration without changing the cluster setup.
• Worked in the UNIX engineering team to test out new patches for OS before deploying in production environment, test out Power VM as well as live partition mobility.
• Experience in analyzing logs, problem determination, and Recovery and restart.
• Worked closely with DBAs to install raid, disk areas for Oracle database instance installations, created Bourne shell database startup and shutdown scripts for UNIX servers.
• Wrote shell scripts for automated installations, to extract logs.
• Monitoring system performance and check the status of the system using utilities such as TOPAS, GLANCE, NMON, VMSTAT, IOSTAT, etc.
• Configuring networks on the adapters using smitty mktcpip and smitty chinet.
• Experience in Shell scripting (bash, ksh) to automate system administration jobs including scripts to perform data backups and data recovery.
• Installation and configuration of NFS.
• Configuring and administration of NIM server and NIM client.
• Shell programming for application management, performance and security monitoring including their maintenance.
• Experience in Administrating Tivoli Storage Manager.
• Experience with automation and scheduling using Tivoli Workload Manager and Scheduler.

Confidential, New York, NY

AIX Administrator

Responsibilities:

• Setup and Configuration of IBM 595,570,550,520,650,610 machines for production, staging and test environments
• Responsible for installation, troubleshooting and maintenance of Solaris 8, 9, 10, AIX 5.3, 6.1, 7.1 servers and Red Hat Linux 5.
• Maintain and schedule company backups and participate in disaster recovery planning and testing SAN configuration, Zoning on Fiber Channel Switches, load balancing the network.
• Configuring CISCO firewalls for filtering and packet capturing.
• Creating and managing virtual LPARS on power5 systems partitioning pSeries server and performing DLPAR.
• Hands on experience on pSeries LPARS and DLPARS definition.
• Building and administrating VIO server and LPAR clients.
• Perform installation, configuration, tuning, security, backup, recovery, and upgrade of IBM p-series hardware.
• Performed common system administration task including adding users, creating file systems, configuring volumes weekly mksysb.
• Planned and implemented HACMP 5.1 clusters supporting several oracle instances.
• Performed day-to-day administration tasks like User Management, Space Monitoring, Performance Monitoring and Tuning, alert log monitoring and backup monitoring
• Daily roles included dealing with LVM extensively. Strong hold of LVM
• Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 (online)
• Built, decommissioned, configured and monitored 2 node HACMP 5.2 clusters
• Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters, configuring LUN’s back
• Performed cluster management on the servers using VERITAS Cluster Server 2.0 & 3.5 and VERITAS volume manager 4.0 administrations
• Installation and Configuration of IBM Websphere server 6.1 and solved issues in Websphere server
• Configured Work Load Management (WLM) for IBM Websphere Application Server
• Administered and performed performance tuning on IBM Web sphere Application Server that includes JVM profiling, work load management, connection pooling and thread pool
• Build, configure and deploy VMs and templates. Completed Physical-to-Virtual (P2V), Virtual-to-Virtual (V2V) and Virtual-to-Physical (V2P) migration of Windows NT, 2000, 2003, 2008, and 2012 as well as Linux servers from VMware, Hyper-V, Xen and legacy hardware.
• Analyze and troubleshoot on an advanced level, performance of SAN-backed VMware ESX infrastructure to determine proper allocation of resources to a multi-department user population with widely varying needs.
• Customize layer 2 and layer 3 networking between VMware, networking components and storage for high availability and maximum performance.
• Responsible for performance tuning of AIX systems, applying upgrades to AIX (current version 4.3.x to upgrade 5.2).
• Monitor and maintain the SAN directors, disk space, backup systems and tape libraries and Implement change controls, capacity planning and growth projections on the systems.
• Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Installed and configured EMC disk subsystem.
• Developed shell scripts using Perl, awk for automation of Systems administrative tasks.
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Configured Work Load Management (WLM) for IBM Websphere 6.1 Application Server.
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Installed and configured Sudo for users to access the root privileges.
• Write and Maintain shell scripts to automate the system administration tasks.
• Migrated database applications from Windows 2000 Server to Linux server.
• Installing and setting up Oracle9i on Linux 5.0 for the development team.