OBJECTIVE:

To grow in an organization developing skills such as leadership and strategic decision making, develop capability to deliver any complex business needs, maneuver any situation, capable of providing cost effective and efficient solutions in technology management.

SUMMARY:

• Results oriented Lead with around 19+ years of multi - platform experience managing UNIX server Infrastructure for large corporations with high end systems and in complex computing environments.
• Effective in problem solving and decision making, Risk assessment and mitigation techniques. Handled teams effectively with good productivity during my entire tenure. Good oral and written communication.
• Reputed for enthusiastic team work, Proactive, quick learning, self-motivated, hardworking and dependable.
• Strong System Administrator with networking background. Experience in Designing, Building and supporting High performance Computing applications running IBM DB2 Purescale Clusters ( 9.8 and 10.1) on AIX and Linux with EMC symmetrics & IBM DS8000 Storage.
• Build and prepare hardware (IBM 880 /IBM Systemp 770 and IBM Systemp 750) for production and non production servers for migration and implementation of new environment as per business requirements.
• Capacity planning and hardware sizing of servers for consolidation of servers on New P880 servers.
• Design and implementation of Network and Storage and Resources to Virtualized environment on VIOS 2.2.3.4 and with HMC 8.8.2..
• Firmware upgrade on Old P750 and P770 Servers.
• Nimserver upgrades to AIX 7.1TL3SP3.
• POC and Upgrade Testing of GPFS 3.4 to GPFS 4.1 with AIX 6.1TL8 to AIX 7.1TL3SP3.
• PowerHA 6.1 Upgrade to System mirror 7.1.3.
• AIX upgrade of AIX 6.1TL8 to AIX 7.1TL3Sp3.
• Built scripts for automating the build process and migration of cluster.
• Update of fix packs from to 9.8v and 10.5v Db2 Purescale clusters.
• Patching and upgrading AIX and linux servers on Db2 Purescale clusters.
• Upgrading versions of db2 cluster on Purescale from 9.8v to 10.1v
• Strong in managing GPFS Filesystems for db2purescale cluster.
• Tivoli System Automation and Reliable, Scalable cluster technology cluster.
• Making goldimage for Aix and Linux (Redhat Enterprise Server 6.5) for Cluster environment.
• Strong System Administrator with networking background. Experience in supporting applications running SAP, Oracle in AIX on High end and mid range IBM RS6000 and IBM System P servers, storage environment EMC symmetric & Clariion .
• Experience in installation, configuration, Troubleshooting of AIX, and Red Hat Linux.
• Installation and configuration of NIM Server for Network installation of OS and Patch management and distribution.
• Configuring the Systems, services and demons, stopping and disabling unwanted services, password policy, File level permissions and access control ;security hardening of AIX servers. Experience in working in SOX Audited Environment Preparing and managing server’s security for SOX audit ready infrastructure.
• Strong in LVM (Storage Methodology) and file system management and recovery. Worked on striping of PPs and Mirroring Volume groups.
• Involved in Fine tuning Kernel using vmo and ioo parameters and file system parameters such as CIO for Oracle database in SAP environment. Migration from JFS to JFS2, Migration from one storage to other.
• Good experience in Administration of HMC for IBM system p administration and Worked on versions 3 to 7.3.2. Good understanding in logical partitioning (LPAR), DLPAR and Micro partitioning. Firmware upgrades, capacity activation through HMC
• Design, planning, implementation and management of Advanced virtualized environment: and Power VM. Experience on installation and upgrade of VIOS from version 1.1 to 2.2.3.4.
• Implemented Dual VIO with Link aggregation and used integrated virtual device, Virtual scsi disk through SAN as root disks to VIO-Clients and Fibercard virtualization using NPIV for application Vg. Implemented MPIO and Power path in VIO environment.
• Implementation of WLPAR and Live partition Mobility with IBM Director.
• Designing and implementation of High Availability using VCS and HACMP in oracle, EMC symmetric, power path and SAP application environment. Worked on VCS 4.0,5.0 and VCS 1.1 and HACMP 5.1 System mirror 7.1.3.
• Administered and worked on Tivoli storage manager and Client Backup. Tape Library management, Disaster recovery manager and tape management (3592) on TSM, server 4.5 to 6.1 Tape libraries Megstar 3584-L22. Configured and worked on Tivoli data protect (TDP) with TSM and oracle database. Worked on SAP application backup with BR backup and Backint utility. Good working knowledge on Data guard and RMAN.
• Good in managing storage Area Network, EMC Clariion, DMX Symmetrixs, Apple Storage, Zoning and LUN Masking. Multi-pathing Software such as Power path and MPIO.
• Worked on EMC SRDF Time finder Devices, PPRC and Flash copy using SVC for DR Site Replication. BCV copies, Clones and Snapshots.
• Worked on DR site preparation, maintenance and regular weekly testing activities for SAP production environment having application such as R3,EP,XI,BI,CRM & IXOS
• Coordination between various team such as, Network, security, Application, Database infrastructure team and Business users for conducting DR testing weekly.
• Worked on AIX support for SAP Environment such as CRM/SRM, EP, BI, NW,R/3 and XI.
• Involved in System Copy of Production Systems to Test and Sand boxes. Using BCV split copy and Rysnc.
• Good knowledge of SAP Instance Rename and Oracle Database Rename.
• Strong in networking concepts, TCP/IP protocols, Routing and Subnetting.
• Strong in configuring DHCP, DNS,NIS,NIS+,LDAP,NFS, SAMBA, Apache, Vsftpd, and Squid Proxy servers
• Strong in Configuring network file system such as NFS, and Autofs.
• Also responsible for the analysis, acquisition, installation, performance monitoring, capacity planning, Network Design and implementation of disaster Recovery, modification and support of hardware.

PROFESSIONAL EXPERIENCE:

Confidential

Senior Technical Consultant

Responsibilities:

• Build and prepare hardware (IBM System P880 /P 770 and IBM System P 750) for production and non-production servers for migration and implementation of new environment as per business requirements.
• Design, planning, implementation and management of advanced virtualization environment: and Power VM. Experience on installation and upgrade of VIOS from version 1.1 to 2.2 .3.4
• Implemented Dual VIO with Link aggregation and used integrated virtual device, Virtual scsi disk through SAN as root disks to VIO-Clients and Fiber card virtualization using NPIV for application Vg. Implemented MPIO and Power path in VIO environment.
• Capacity planning and hardware sizing of servers for IBM pure scale cluster setup.
• Good Experience and working knowledge on Infinity band data networking.
• Good Experience on troubleshooting GPFS File system Clusters and IBM Tivoli System Automation multiplatform clusters.
• Configuring AIX/Linux system to install the DB2 pureScale Feature Installing the operating system and Updating the kernel, Installing the multipath device driver, Configuring the external storage, Installing the required software packages, setting up the Ethernet network, setting up the interconnect network, editing the hosts file,
• Wrote scripts to build DB2 Pure scale cluster with minimum input such as hostname, Ib0-ip address, Instance name and Service address etc
• As technical architect. Prepare technical documents, such as build manuals, Support documents, SOP and troubleshooting manuals.
• Identify gaps between current architecture and target architecture and come up with risks and mitigation techniques.
• Provide support for L3 team and coordinate activities during large production maintenance project activities.
• Prepare RFQ and work very closely with vendors for procurement of hardware and software products.
• Work on POC and build pilot projects, test new products.
• Update of fix packs from to 9.8v and 10.5v Db2 Purescale clusters.
• Patching and upgrading AIX and linux servers on Db2 Purescale clusters.
• Upgrading versions of db2 cluster on Purescale from 9.8v to 10.5v
• Tivoli System Automation and Reliable Scalable cluster technology cluster.
• Making goldimage for Aix and Linux (Redhat Enterprise Server 6.5) for Cluster environment.
• Planning of architecture, such as Hardware and software requirements, topology requirements on number of CF's and members.
• Preparing local and shared file-systems and install Db2 code.
• DR planning, implentation and testing QDR replication DB2 pureScale disaster recovery (DR)
• Knowledge of KVM virtualization technologies
• Automation and Scripting using perl and korn Scripting. Involved in end to end automation of Server build processes for Db2 Pure scale Cluster.
• Involved in supporting applications running SAP, Oracle in AIX on High end and mid range IBM RS6000 and IBM System P servers, storage environment EMC symmetric & Clariion .
• Involved in upgrade of servers from AIX 5.3 and AIX 6.1 to AIX 7.1
• Involved in planning and migration of servers from standalone Lpars and VIO 2.1 Server to Power 7 (P 770 and P750 servers).
• Upgrade of VIO servers from 2.1 to 2.2.
• Storage migration from Hitachi HDLM to EMC VMAX MPIO on Dual VIO Environment.
• Involved in Administration of HMC for IBM system p administration and Worked on migration of versions 6.0 to 8.8.2 migrations. HMC service pack updates etc.
• Good understanding in logical partitioning (LPAR), DLPAR and Micro partitioning. Firmware upgrades, capacity activation through HMC GUI and HMC CLI
• Design, planning, implementation and management of Advanced virtualized environment: and Power VM. Experience on installation and upgrade of VIOS from version 1.1 to 2.2.3.4
• Implemented Dual VIO with Link aggregation and used integrated virtual device, Virtual scsi disk through SAN as root disks to VIO-Clients and Fiber card virtualization using NPIV for application Vg. Implemented MPIO and Power path in VIO environment.
• Implementation of WLPAR and Live partition Mobility with IBM Director.
• Designing and implementation of High Availability using VCS and HACMP in oracle, EMC symmetric, power path and SAP application environment. Worked on VCS 4.0,5.0 and VCS 5.1 and HACMP 5.1 to HACMP 6.1 or PowerHA
• Upgrade of cluster from HACMP 5.5 to System mirror (7.1)
• Installation and configuration of NIM Servers for Network installation of OS and Patch management and distribution.
• Configuring the Systems, services and demons, stopping and disabling unwanted services, password policy, File level permissions and access control ;security hardening of AIX servers. Experience in working in Audited Environment Preparing and managing server's security for audit ready infrastructure.
• Strong in LVM (Storage Methodology) and file system management and recovery. Worked on striping of PPs and Mirroring Volume groups.
• Administered and worked on Tivoli storage manager and Client Backup. Tape Library management, Disaster recovery manager and tape management (3592) on TSM, server 4.5 to 5.5. Tape libraries Megstar 3584-L22. Configured and worked on Tivoli data protect (TDP) with TSM and oracle database. Worked on SAP application backup with BR backup and Backint utility. Good working knowledge on Data guard and RMAN.
• Managed storage Area Network, EMC Clariion, DMX Symmetrixs, Apple Storage, Zoning and LUN Masking. Multi-pathing Software such as Power path and MPIO.
• Worked on EMC SRDF Time finder Devices for DR Site Replication. BCV copies, Clones and Snapshots.
• Worked on DR site preparation, maintenance and regular weekly testing activities for SAP production environment having application such as R3,EP,XI,BI,CRM & IXOS
• Coordination between various teams such as, Network, security, Application, Database infrastructure team and Business users for conducting DR testing weekly.
• Worked on AIX support for SAP Environment such as CRM/SRM, EP, BI, NW,R/3 and XI.
• Involved in System Copy of Production Systems to Test and Sand boxes. Using BCV split copy and Rysnc.
• Involved helping DBA and Application Admin in SAP Instance rename and Oracle database rename.
• Demonstrated skills in networking concepts, TCP/IP protocols, Routing and Subnetting.
• Strength in configuring DHCP, DNS, LDAP, NFS, SAMBA, Apache, Vsftpd, and Squid Proxy servers.
• Responsible for the analysis, acquisition, installation, performance monitoring, capacity planning, Network Design and implementation of disaster Recovery, modification and support of infrastructure servers at production and disaster recovery sites.

Confidential

Technical Manager

Responsibilities:

• Responsible for Delivery of IT services on Shared infrastructure (cloud) for IBM clients in USA and Europe from INDIA.
• Planning, Designing and implementation solutions on IAAS and SAAS models.
• Lead the on-going server standardization, regular health checks to improve client satisfaction and reduce downtime of services to clients.
• Upgrade, migration and patching project.
• Virtualization, consolidation of servers, instances and applications.
• Handled Performance issues for multiple client
• Analysed the server utilization and proposed the virtualization and consolidation solution for one largest client of IBM
• Handled several Severity 1 incidents and resolved without escalations.
• Designed and implemented High Availability solutions on HACMP and VCS for several ERP Environments for IBM Customers.
• Identified bottlenecks and design flaws in existing storage network and server infrastructure and proposed alternative methods to implement.
• Analysed proactive monitoring tickets and addressed the issues to reduced inflow of work by 30%.
• Capacity planning and Migration of Servers from p5 550 to P750 servers.
• Managed Standardization project to stabilize, improve the system health and reduce number of severity 1 incidents.
• Worked on understanding of several customers’ SAP ERP production infrastructure and proposed design of Disaster recovery and backup solutions.
• Automated several areas and streamlined the way team coordinates and interacts for effective support and improved client satisfaction.
• Training and Mentoring Technical staff (SME) on technologies and grow them as Architects.

Confidential, Washington, DC

Senior System Analyst and Technical Lead for UNIX SAP infrastructure

Responsibilities:

• 26 SAP environments of which nine environments on production.
• IBM p5-570, p5-550,p5-55A,P6-570,P6-550, p640, P750 and P770
• Database on Oracle 9i and Oracle 10g.
• High availability with the help of HACMP and Vcs.
• Storage EMC DMX Symmetric and Clarion.
• Backup with TSM servers.
• Data replication to disaster recovery site using SRDF.
• Routine tasks include production support, Convert Work programs to projects and tasks with the team and work towards achieving plan with workable solutions and actions with compliance to change management protocols. Organizing, coordination and involvement in production support as a technical lead. Design of information technology infrastructure solutions to meet business and technical requirements following industry best practices and processes. Development of infrastructure solutions by leveraging emerging technologies.
• Migration of IBM hardware from Regatta, P4 servers and RS/6000 to IBM system P hardware such as P5-570,P5-550,P5-55A and on P-570 and P-550 ( P6 servers).
• Migration of Operating systems from AIX 5.2 to AIX 5.3 and to AIX 6.1
• Building Network installation master ( NIM server) for the enterprise to be a central server to hold all versions of OS and patches, Mksysb for quick restore, NFS server for backup of mksysb from all servers on a regular time interval and also backup all HMCs critical console data.
• Replication of NIM server data to disaster recovery centre for testing and quick restore.
• Storage migration project from EMC- DMX3 to EMC-DMX4. Storage capacity plans, migration planning, disk mapping to have optimal performance for all production servers.
• High availability for all production servers with HACMP and Veritas VCS clustering software, Initially to Two nodes and eventually to multimode cluster. Clustering in Virtualized environment and multi site environment.
• Moving servers from standalone Lpar environment to Virtualized environment.
• Where the rootvg of AIX servers were virtualized as Virtual SCSI disk coming from SAN and Application disks for database coming from HBA virtualization NPIV
• Network segmentation project; Zoning servers into production, development and test zones and separating servers into new zones based on data security and network security; The project involved interaction between various teams, planning, testing and scheduling for a changes etc.
• Implementation of RSA secureID for Authentication into UNIX logins and SAP Applications.
• Server realignment project with parallel land space for SAP upgrade. Involves careful planning and movement for servers to server frames and releasing and allocating new capacity to build a parallel landscape for upgrade.
• GSR data enter relocation project plan to move all layers, capacity planning, Actual plan for complete move, identify dependencies on different applications, implementation of project move in planed phases to minimum down time.
• Current site which are in active passive mode can be made as active-active site having load shifting capabilities in future and production operation to be capable of running from any of the data centres.
• Disaster recovery plan, implementation and testing. Participated in more 300 tests.
• Building redundant HMC network and making all the HMCs redundant.
• Backup server upgrade project and building cross site backup infrastructure and TSM library migration project.
• Building Data guard server and RMAN server for backup and data protection.
• Since SAP production servers hold financial information we are subjected to yearly Audit for ICFR ( SOX) compliance. Hence involved in maintaining the environment audit ready and participate in yearly audit review.
• Training staff of Confidential Solutions on Various technologies such as IBM, HP,EMC,Tivoli and Oracle Products.