
Ravindra Gajjala
- Sr. SAP Basis / Hana Consultant
- Santa Clara, CA
- Member Since Mar 25, 2023
Ravindra Gajjala
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Summary of Experience |
· Overall 12 years of experience as a Senior SAP Basis consultant and responsible for Planning, Technical Architecture, Implementation & Go live support including 3 end-to-end SAP implementation experience and also hands on SAP R/3,S4HANA,Solution Manager, BW, BOBJ, SCM, SRM, CRM, MDM, NetWeaver, implementation, upgrades, system enhancements, OS/DB Migrations, systems refresh and production support responsibilities on DB2, Oracle, HANA, Max-DB and MS-SQL server databases.
· Having 2.8 years of experience in SAP HANA implementation and Migration experience.
· Successfully executed Installed Base System Conversion from SAP ECC6.0 Ehp6 to SAP S/4HANA 1610.
· Installed and Configured S4HANA on-premise edition 1709 FPS01 on SAP HANA Platform 2.0.
· Experienced in Greenfield Implementation, SAP End-to-End implementation projects and rollout projects. Experienced in Design and implementation of full solutions. Drafting technical documentation.
· Performed Enhancement package installations and upgrades on ECC, SCM, CRM, and Net weaver systems (BW 7.3, XI, PI, and EP) using EHPI installer and SUM tools.
· Performed upgradation of Solution Manager from version 7.1 to 7.2. SP04 &SP05.
· OS/DB Migration of SAP BW, SAP ECC on to HANA & optimized overall export/import time.
· Strong experience in SAP Systems - Combined upgrade and migration approach (using SUM with DMO) and Classical Two steps approach
· Extensive 24/7 production support experience and providing superior customer services. Strengths include demonstrated history of technical expertise, problem resolution mentoring abilities, architecture, design/setup of ERP landscaping and system monitoring.
· Developed and implemented improved policies and procedures, implementing Best Practices solutions for SAP security change management controls, to support SOX compliance standards requesting changes, testing and transporting SAP security roles to production environment.
· Extensive experience on all aspects of SAP Basis Administration including Client Copy/Export/Import, System Copy/Refresh, Support Packs, Kernel Upgrades, OSDB Migrations, Oracle to Oracle Migrations, Add-on installations, applying OSS Notes, Spool Administration, Background jobs, Workload Analysis, SAP workplace monitoring using CCMS, Backup/Recovery, System Monitoring/Maintenance and Performance Tuning/Analysis.
· Expertise in maintaining large and complex SAP systems of ABAP and JAVA stacks.
· Experience on Installing/upgrading Solution Manager 7.1 and performed the basic configuration SLD, LMDB, managed systems configuration.
· Configured Single Sign-on configuration between EP 7.3 and ECC 6.0.
· Performed STMS configuration and CTS+ configuration.
· Developed and implemented improved policies and procedures, implementing Best Practices solutions for SAP security change management controls, to support SOX compliance standards requesting changes, testing and transporting SAP security roles to production environment.
· Proficient Basis experience in Installations/Upgrades, System Copy/Refreshes, Client Mgmt, Transport Mgmt, Support Pack upgrades, Kernel Upgrades, Add-on installations, Backup/Recovery.
· Delivered support for the BAU SAP Basis and development environments, minimizing downtime and delivering a quality of service appropriate to meet Business needs.
· Performed stress test for performance and workload analysis for cutover & go live activates.
· Having excellent and proven client facing capabilities which have added to business results and high index of customer satisfaction.
SAP HANA Appliance:
· Experienced in SAP HANA Database installations, and Migration experience to BW on HANA.
· Installed and Configured S4HANA on-premise edition 1709 FPS01 on SAP HANA Platform 2.0.
· SAP HANA Component updates using Phased and Optimized methods from SP09 to SP12.
· Good knowledge on Scale-in, Scale-out Architecture and MDC Setup of HANA.
· Setup System replication for High Availability and Disaster recovery.
· Good knowledge of Integration with SAP HANA Data Provisioning Method SLT.
· Integration of ECC with HANA Database using the SLT Replication Servers.
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Certifications |
SAP NetWeaver Certified System Administrator
SAP Certified Technology Associate - OS/DB Migration
SAP HANA Certified Technology Associate
SUN Certified System Administrator
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Technical Skills |
ERP : ECC 5.0/6.0, R/3 4.6C/4.7E, SolMan 7.1/7.2, BI 7.0, NW7.0/7.5 BO/BOBJ, GRC,CRM 2007/7.0, HANA, SRM 7.0,TREX and Content server.
Operating systems : IBM-AIX, Sun Solaris, HP-UX, SUSE/REDHAT Linux, Windows
RDBMS : Oracle, DB2, SAP HANA, MS-SQL SQL Server
Backup Tools : TSM, RMAN and HP Data Protector
Management Tools : Service Now, Remedy and IBM Maximo
Tools : SAP GUI, SAP Fiori, Citrix, Putty, SysLink-Xandria, Epi-use, Control-m.
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Professional Experience |
Client: Applied Materials Santa Clara, CA 10/2017 – Till date
Project: SiGFP Implementation project / Performance test landscape build
Role: Sr.SAP Basis/Hana Consultant
Applied Materials is the leader in materials engineering solutions used to produce virtually every new chip and advanced display in the world. Expertise in modifying materials at atomic levels and on an industrial scale enables customers to transform possibilities into reality. Innovations make possible the technology shaping the future.
· Involved in planning, designing of Migration project, building break fix environment for dual maintenance.
· Involved in planning, designing of in Performance test build landscape of 80 application servers and adapted profile and configuration setting form production landscape.
· Involved to Performance test cycles for SiGFP project using LoadRunner and implemented ZAAM (Zero administration memory management), best practices load balancing methodology of Dialog/Batch/RFC/update and distributed load using Web dispatcher across all application servers.
· Upgraded HANA 1.0 SPS12 to HANA 2.0 SPS02 rev30
· Upgraded S4 HANA 1610 FPS02 to 1709 FPS01
· Installed Redwood BPA 9.1 on SAP Netweaver 7.5 SP10 on high availability.
· Installed LaMa STD 3.0 and configured satellite systems for maintenance activities.
Client: Platform Specialty Product Corporation, Cary, NC 01/2017 – 09/2017
Project: Datacenter & OS/DB Migration, S4HANA Implementation
Role: Sr.SAP Basis/Hana Consultant
Implementation Partner: Cognizant technology solutions
Platform Specialty Products Corporation is a diversified producer of high technology specialty chemical products and provider of technical services. These specialty chemicals are sold into multiple industries, including agricultural, electronics, graphic arts, metals and plastic plating, and offshore oil production
and drilling.
· Installed and Configured S4HANA on-premise edition 1610 on SAP HANA Platform 2.0.
· Upgraded S4HANA to latest Feature Package Stack ( FPS02)
· Involved in designing and implementation of DB Migration from Oracle to HANA.
· Migration of BW 7.31 on Oracle to BW 7.5 on HANA database using SUM tool with DMO option.
· Worked on SAP Applications datacenter migrations to Microsoft Azure Cloud.
· Performing day-to-day and periodic HANA Administration tasks such as CPU/Disk utilization metrics, system integration, logs, trace, Security provisioning, alerts, Backups/Restore, monitoring HANA instances using SAP HANA studio.
· Involved in planning, designing of Datacenter Migration project, building break fix environment for dual maintenance.
· Involved in gathering and analyzing the system requirements for SAP Application Installations.
· Co-ordination with various teams who are involved in the Migration especially Infrastructure/Functional teams.
· Attending CAB meetings with changes for approval from business and service delivery
Environment: S4HANA 1610, NW 7.5, ECC 6.0 Ehp8, SUSE Linux, HANA2.0 SP01.
Client: Cardinal Health, Inc Dublin, OH 03/2016 – 12/2016
Project: Upgrade, BW on HANA Migration
Role: Sr.SAP Basis/Hana Consultant
Implementation Partner: Wipro technology’s Ltd
Cardinal Health, Inc. is an American Fortune 500 health care services company based in Dublin, Ohio. The company specializes in distribution of pharmaceuticals and medical products, serving more than 100,000 locations. The company also manufactures medical and surgical products, including gloves, surgical apparel and fluid management products. It operates the nation’s largest network of radio pharmacies.
Responsibilities
· Actively involved in planning, designing of SAP Ehp upgrade project, building break fix environment for dual maintenance.
· Performed ECC upgrade from EhP5 for ERP 6.0 SP13 to EhP8 for ERP 6.0 SP02,
· Performed CRM upgrade from EhP2 for CRM 7.0 SP08 to EhP4 for CRM 7.0 SP02 CRM 7.0 Ehp4.
· Performed BI Upgrade from Netweaver 731 SP09 Netweaver 750 SP03.
· Performed Portal upgrade from Netweaver 731 SP09 to Netweaver 750 SP03 using SUM tool and post upgrade configurations.
· Performed SCM upgrade from EhP2 for SCM 7.0 SP08 to EhP4 for SCM 7.0 SP02 using SUM tool and post upgrade configurations.
· Performed Live Cache bundled patch upgrade from 7.9.08.23 to 7.9.08.35
· Performed SCM system refresh from source system to target system and live cache restored from source to target database.
· Actively involved in upgrade/migration downtime reduction and cutover preparation actives.
· Handled upgrade Pre and Post upgrade activates.
· Attending CAB meetings with changes for approval from business and service delivery
· Migration of BW 7.31 on DB2 to BW 7.5 on HANA database using SUM tool with DMO option.
· Team Lead and onsite coordinator for Upgrade project.
· Performing day-to-day and periodic HANA Administration tasks such as CPU/Disk utilization metrics, system integration, logs, trace, Security provisioning, alerts, Backups/Restore, monitoring HANA instances using SAP HANA studio.
Environment: NW 7.5, SAP BI 7.5, ECC 6.0 Ehp8, SUSE/RH Linux, DB2 10.6, HANA1.0 SP11
Client: Global Process Services S2P – Telstra and Carrier – Endicott, New York 02/2015 – 01/2016
Project: Migration, Upgrade and support
Role: Senior SAP Basis Consultant
Implementation Partner: IBM Global Business Services
Supporting for IBM Global Process Services (GPS) Delivery works with external customers to develop and implement re-engineered Sourcing, Procurement and Accounts Payable business processes for goods and services. The IBM platform for hosting these processes is called the Source to Pay (S2P) System. This is a SAP based solution, hosted in the Poughkeepsie data center. Current customers include Telstra and Carrier.
Responsibilities
· Migrated SAP ECC, BW, Solman and EP systems into New Hardware.
· Performed EHP upgrade from SAP ERP 6.0 EHP5 to SAP ERP 6.0 EHP7.
· Upgrade from SAP BW 7.31 to SAP BW 7.4.
· Migrated BW systems to HANA database.
· Installed and configured basic setup on new Solman 7.1.
· Installed SAP NW 7.3 TREX7.10 and Performed Integration with ECC Landscape for search documents.
· Worked on CCMS alert monitoring setup, analyzed all the all MTE nodes in Production system and proposed recommended threshold values for effective monitoring.
· Performed DB2 version upgrade from v9.7 to v10.1.
· Performed ECC, BW and EP systems refresh using backup and restore method.
· Designed the proposed SAP support plan for the customer.
· Involved in planning, designing of SAP Ehp upgrade project, building break fix environment for dual maintenance.
· Performed ECC, BW and EP systems refresh using backup and restore method.
· Installed SAP Landscape Transformation Replication Server (SLT) on SAP NW 7.02 and replication enabled from source ABAP, Non-ABAP systems to target HANA DB server
· Install stand-alone SLT Replication server and Create configure connection SLT to HANA.
· Performing day-to-day and periodic HANA Administration tasks such as CPU/Disk utilization metrics, system integration, logs, trace, Security provisioning, alerts, Backups/Restore, monitoring HANA instances using SAP HANA studio.
· Plan and execute SAPECC release maintenance, system refreshes, and client-copies.
Environment: ECC 6.0, BW7.4, NW7.3, AIX DB2, HANA 1.0 SPS07
Client: South West One – Taunton, United Kingdom 07/2013 - 01/2015
Project: SAP Implementation and Production Support
Role: Application Consultant. SAP Basis
Implementation Partner: IBM Global Business Services
South West One is a joint venture between Somerset County Council, Taunton Deane Borough Council, Avon and Somerset Constabulary and IBM. The vision of Southwest One is to enable the social transformation of Taunton, Somerset and the South West to deliver better value for money for council taxpayers and improve access to services for local residents.
Responsibilities
· Involved in gathering and analyzing the system requirements for SAP Application Installations.
· Defined SAP System Architecture and downloaded necessary installation procedure from service Market Place.
· Involved in System Design and Installation of SAP R/3 Enterprise Applications.
· Planned, Prepared, Installed and Post-Installed SAP R/3 Systems.
· Performed post Installation Setup of SAP Components: Initial System Backup, Configure SAPs Transport Management System, Request / Set-up SAP Developer Keys, Setup SAPROUTER connection to SAP, install support packages, Client Copy, Install OSS notes, Configure SAP Note Assistant, SAP DBA configuration, Tuning / Modification of SAP and instance parameter files, Configuration of the SAPLOGON entries for the newly installed system, and setup of printers.
· Implement and maintain the multiple SAP instances that comprise the SAP environment
(development, test, training and production).
· Configured Secure Network Communication (SNC) protocol to secure communications between SAP and an external system.
· Performed ongoing basis tasks to support the system cutover to Production go-live.
· Responsible for Basis tasks includes scheduling and monitoring Batch jobs, Database refresh procedures, daily monitoring of the system, Spool administration.
· Involved in moving transports from Dev to QA & Production Environments. Coordinated with Database and System Administrators for database backup.
· Maintain the integrity of the SAP environment by managing the SAP Correction and Transport System (CTS) to ensure all configuration and development objects are promoted properly.
· SLD configuration and integration
· Coordinated with Database and System Administrators for database backup.
· Team player in monthly weekend production outages to support SAP Basis work.
Environment: SAP ECC 6.0 EHP4, BI, EP, PI, SCM 7.0, TREX, CRM 7.0, Solman 7.1
Client: Asea Brown Boveri - Europe region 02/2010 – 06/2013
Project: Ehp Upgrades/DB Migrations
Role: Application Consultant. SAP Basis / SPOC for ABB Norway
Implementation Partner: IBM Global Business Services
ABB (Asea Brown Boveri) is a leader in power and automation technologies that enable utility and industry customers to improve performance while lowering environmental impact. The ABB Group of companies operates in around 100 countries and employs about 117,000 people. Production Support (L2) for both SAP Basis and Database Administration is given by INDIA team.
Responsibilities
· Involved in installation & configuration of different SAP Netweaver components on Oracle and other database tools on Unix platforms and windows.
· Performed version upgrade from NW7.0 Ehp2 dual stack systems to NW7.3 Ehp1, Ehp upgrade ECC6 Ehp3 to Ehp5, using SUM tool and post upgrade configurations.
· Proactive monitoring of performance issues and conduct root cause analysis and apply fixes.
· Experience in planning and implementation of Backup & Recovery Strategy
· Experience in designing and implementation of DB Migration from Oracle to DB2 database.
· Performed Oracle 11G Database Upgrade and Bundle patches
· Experience in cloning and doing System refreshes, SAP Kernel upgrades for different SAP kernel releases. Applied Support Packs and Plug-ins
· Performing the table space Administration tasks like adding data files, reorganizing the tables & rebuilding indexes using brtools.
· Performed JVM Switch from IBM JVM to SAPJVM4.
· Participating in all production server Maintenance windows and providing on-call Support for the Production server issues.
· SPOC and Team Lead for Norway landscape.
Environment: ECC 6.0 Ehp4, NW7.0 Ehp2 BW, AIX with Oracle10.2.0.4, DB2
Client: Nahar Group of Companies Ludhiana, India 10/2010 – 01/2011
Project: OS Migration and Upgrade
Role: SAP Basis Consultant
Implementation Partner: IBM Global Business Services
Nahar Group of Companies is a vertically integrated well established and reputed textile Conglomerate with a wide range of Portfolio from Spinning, Knitting, Weaving, Processing, Hosiery and Garmenting having latest art of technology units. The Group has outstanding performance in the National Textile Industry holding Hi-Profiled top rated brands- MONTE-CARLO, CANTERBURY and COTTON-COUNTY for a wide range of garments.
Responsibilities
· Involved in designing and implementation of OS Migration from Solaris to AIX.
· Involved in designing of upgrade system landscape from 4.7 to ECC6.0 with Ehp4 SR1.
· Actively involved in upgrade downtime reduction and cutover preparation actives.
· Successfully Migrated and Upgraded Development, Quality and Production Environments to ECC6.0 with integrated Ehp4 SR1.
Environment: ECC 6.0 Ehp4, Solaris and AIX with Oracle10.2.0.4
Client: Philip Morris International Inc.- Krakow, Poland 01/2010 – 09/2010
Project Name : PMI Program one SAP Version Upgrade
Role: SAP Basis Consultant
Implementation Partner: IBM Global Business Services
PMI – Philip Morris International is one of the leading Tobacco Producing Company in the world with Marlboro as one of its highly rated brand It has branches in the different parts of the World. Program one is a Global PMI initiative to standardize, streamline and integrate Business Process to improve the processing efficiency and to enable the implementation of key business initiative throughout its markets by using state of art Technology Provided by SAP. Different affiliates are joining to the Centralized Production system. Development proceeds in ‘Waves’, and after each development Wave, a group of affiliates start using the centralized Production system.
Responsibilities
· Involved in designing of upgrade system landscape.
· Involved in dual maintenance and dry runs activates.
· Develop parallel landscape for upgrade with all the existing SAP Components.
· Actively involved in upgrade downtime reduction and cutover preparation actives.
· Handled upgrade Pre and Post upgrade activates.
· Successfully upgraded Development, Quality and Production Environments to ECC6.0 Ehp4.
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