Hi, I’m
SANTOSH KUMAR DADWAI
SPRING,TEXAS
Summary
Self-sufficient SAP Basis Consultant with 10 years deftly handling SAP and other products for multi-scale customers. Manages all phases of product lifecycles, from initial installation, through patching and maintenance to end-of-life measures. Provides hands-on technical support and remote training services designed to guarantee flawless operations. In this extra-ordinary journey have worked on various Implementations, Upgrades, OS/DB migrations and Support projects. Rich experience in handling various complex SAP system landscapes, proposing new Technical Solution options and design a future proof solution following Best Practices and high standard principles.
Overview
9
years of professional experience
1
Certification
Work History
Infosys TechnologiesSpring Branch, TX
SAP BASIS/HANA Administrator – Senior Consultant
12.2020 - Current
Job overview
- ECC, S/4HANA administration and troubleshooting activities.
- Monitor HANA HA, DR Replication and fix issues, Cleanup HANA Logs.
- Setting up HANA Parameters based on recommendations and business requirements.
- Participated in designing, scaling and implementing databases created to customer specifications.
- Integrated third-party software into SAP-based solutions and installations, verifying compatibility and interoperability.
- Aided in problem resolution tasks via in-person and on-call availability, maintaining resolution rate of 95 %.
- Delivered SAP training, user support and knowledge transfer at end of project and followed up to verify successful implementation.
- Multitasked and managed multiple deliverables and projects concurrently and facilitated use of SAP for enterprise resource planning.
- Architected SAP solutions by prioritizing simplicity, appropriate scale, resiliency and maintainability.
- Traveled to client locations to implement SAP solutions and offered post-installation support services.
- Designed interconnectivity architectures for SAP products to communicate with cloud-based solutions such as AWS and SDI.
- Based on Alerts adding database file or resize existing database file of require Table spaces.
- Configure SLT Replication for new systems and fixing issues.
- All Support related activities: profiles, Operation modes, background job issues, printer issues, System start issues, DB Start issues, STMS issues, performance issues and connectivity issues, RFC Issues, and lot more support activities.
- Upgrade Kernel and support packs.
- Implemented HANA NSE to optimize memory utilization.
- Performed HANA revision and Patch update using NZDT approach.
- Experienced in using various HANA database tools like HANA studio, HLM, HDBLCM and HANA Dump Analyzer.
- Extensive knowledge on HSR and HA setup for HANA DB in scale up and scale out scenarios.
- Setting up read only system of S/4HANA to ensure business continuity in case of long duration of planned or unplanned maintenance using HANA replication features.
- Performed HANA table partitioning, troubleshooting performance issues, and providing recommendations.
- Implemented HANA Workload Management to optimize resource and improve overall system performance.
- Experience in SLT setup and troubleshooting SLT issues.
- Performed SAP Cloud Connector installation and integrated with on premise systems.
- Day to day activities such as HANA motoring, performance, troubleshooting.
- Managing Oracle databases using data guard and performing activities like failover and switchover.
- Migrated 23 SAP BW systems from NW 7.4 SP15 NUC to NW 7.5 SP14 UC and DB migration from Oracle to SAP HANA in 18 months.
- Performed HANA DB sizing and landscape design.
- Executed hardware operational readiness test on target hardware before HANA Database migration from Oracle.
- Benchmarking tool was used to estimate data transfer rate and identify resources to achieve desired transfer rate.
- Performed Unicode preparation steps like running SPUMG and UCCHECK to make sure system is ready for Unicode conversion.
- To minimize downtime, we performed parameter tuning on both source and target DB’s.
- Supported Hyper care for 2 weeks and made sure landscape is stable.
- Migrated 28 systems of HANA 1.0 to 2.0 along with hardware change for BW landscape within 6 months.
- Proposed plan and road map for Hardware migration project.
- HANA DB performance improved by 20% after using multi-level table partitioning.
- Performed HANA multi-tenant installations.
- Worked on issues related to table redistribution on HANA.
- Adjusted Topology of HANA DB from single node to Multi node and Multi node to single node.
- Configured DD Boost tool for backup setup in HANA systems for BW PepsiCo landscape.
- HANA user creation and assigning roles.
- HANA replication enabling primary server to high availability server to DR server.
- Performed HANA cockpit installation.
- On multi-node database, performed Table Redistribution and partitioning to improve performance of HANA database.
Infosys TechnologiesHyderabad, Telangana
SAP BASIS Migration Senior Consultant
04.2019 - 12.2020
Job overview
- Migrated 23 SAP BW systems from NW 7.4 SP15 NUC to NW 7.5 SP14 UC and DB migration from Oracle to SAP HANA in 18 months.
- Performed quality assurance testing of new installations and recently updated software solutions, checking for functionality and compatibility issues.
- Performed HANA DB sizing and landscape design.
- Executed hardware operational readiness test on target hardware before HANA Database migration from Oracle.
- Benchmarking tool was used to estimate data transfer rate and identify resources to achieve desired transfer rate.
- Performed Unicode preparation steps like running SPUMG and UCCHECK to make sure system is ready for Unicode conversion.
- To minimize downtime, we performed parameter tuning on both source and target DB’s.
- Supported Hyper care for 2 weeks and made sure landscape is stable.
- Reviewed technical specifications of deliverables and recommended improvements.
- Recommended hardware sizing, installation and configuration plans.
Infosys TechnologiesHyderabad, Telangana
SAP Basis Lead
10.2016 - 03.2019
Job overview
- Worked closely with clients to establish specifications and system designs.
- Contributed ideas and suggestions in team meetings and delivered updates on deadlines, designs and enhancements.
- Migrated 28 systems of HANA 1.0 to 2.0 along with hardware change for BW landscape within 6 months.
- Proposed plan and road map for Hardware migration project.
- HANA DB performance improved by 20% after using multi-level table partitioning.
- Performed HANA multi-tenant installations.
- Worked on issues related to table redistribution on HANA.
- Adjusted Topology of HANA DB from single node to Multi node and Multi node to single node.
- Configured DD Boost tool for backup setup in HANA systems for BW PepsiCo landscape.
- HANA user creation and assigning roles.
- HANA replication enabling primary server to high availability server to DR server.
- Performed HANA cockpit installation.
- On multi-node database, performed Table Redistribution and partitioning to improve performance of HANA database.
- Consulted with network engineering staff to evaluate hardware and software requirements for new system development.
- Oversaw 2 major new enhancements to existing HANA systems.
- Created proofs of concept for innovative new solutions.
- Corrected, modified and upgraded software to improve performance.
- Designed and developed forward-thinking systems that meet user needs and improve productivity.
- Troubleshooting HANA related issues like data and log volume full situations in both primary and secondary sites.
- Manual failover and fail back of HANA DB high availability during upgrade to achieve zero downtime.
- Knowledge on configuring High availability on both ASCS and HANA DB clusters and testing failover / fail back scenarios.
- Troubleshooting regular Performance issues in SAP reported by Functional, Technical teams.
- Supported landscapes: SAP S/4HANA 1909, ECC 6.0, SAP BW 7.4, SAP PI 740, SAP SCM 7.02, SAP Solution manager 7.2 etc.
- Provided L3 support to issues reported in Landscape.
- SAP ECC, BW and SCM system refreshes.
- Performed SP and Kernel upgrades
- Incident, Service Request and Change Request Handling.
- SAP HANA 2.0 SPS04 and Solution manager 7.2 Integration monitoring setup.
- Handling monthly and Quarterly maintenance activities with minimized downtime and maximum business continuity.
- Fixing Issues related to SAP SLT like slow replication or with replication not working.
- Troubleshooting Issues related to SAP printing services.
Yash TechnologiesHyderabad, Telangana
SAP Basis Consultant
12.2012 - 09.2016
Job overview
- Applied necessary support packs to SAP and Oracle products, maintaining up-to-date and secure software installations.
- Installed kernel upgrades per technical documentation guidelines, adhering to SAP's best practices.
- Performed root cause analysis on technical issues and developed effective resolutions.
- Monitoring and Alerting Infrastructure configuration on SAP Solution Manager 7.1 SP08.
- Monitor and adjusting thresholds of metrics according to system load and performance.
- Running update stats using BR tools on Oracle DB for single table or on all tables based on requirement.
- Stopping and starting of oracle databases.
- Max DB database management activities like stop/start, Data backups, log backups management and adding data files.
- Live cache administration activities like stop/start and connecting to APO system.
- Working on critical and High priority incidents as per SLA.
- SAP TREX administration activities like start and stop. Configuring TREX to backend system like GTS.
- Maintained client setting in AS ABAP systems involved in environment.
- Updating spam/saint, ST-PI, and ST-A/PI components.
- Developed python scripts to automate start/stop process of multiple application servers of SAP R/3 and SAP HANA.
- Automated other basis operations related activities like Host agent upgrade, Kernel upgrade and File system cleanup.
- Analysis of EWA reports and fixing issues as per suggestions provided by SAP.
- Configuring satellite systems to LAMA to utilize stop/start capabilities, system Refresh and kernel upgrade.
- Connecting third-party applications through exchanging SSH keys at OS level and utilizing file transfer protocol.
- Tuned performance of SAP products to meet prescribed needs of Finance department.
- Designed deployment automation solutions to expedite implementation of SAP solutions.
Education
Jawaharlal Nehru Techological UniversityHyderabad, India
Bachelor of Science from Information Technology
06.2012
Skills
- Certified and hands-on experience on HANA Database administration and upgrade projects
- SAP release upgrade expert Handled critical upgrades playing both Lead and execution roles
- S4/HANA, ECC system administration and conversion activities
- In-Depth knowledge on SAP SLT server setup and troubleshooting
- In-depth experience in installation, configuration, maintenance and troubleshooting of SAP NetWeaver, SAP Business Suite solutions such as SAP ECC, SAP CRM, SAP BI, SAP EP (NetWeaver Portal), SAP GRC and other Solutions on OS Windows, UNIX, LINUX and AIX platforms with Oracle and HANA databases
- Expertise in converting SAP systems from Non-Unicode to Unicode and DB migration from oracle to HANA using SUM DMO
- Expertise in Deploying and migrating SAP applications on public cloud infrastructure and support
- Completed Amazon Web Services (AWS) solution Architect course with complete Hands-On
- Full life cycle implementations of SAP OS, DB, SAP and post installation, system landscape redesign, Instance design optimization, performance tuning and load balancing
- Expertise in all Basis support activities/troubleshooting & configuring SAP high availability environments (Cluster systems, Disaster Recovery set up etc)
- Migration of infrastructure, data, and applications out of legacy data centers into cloud and hybrid environments (public and private)
- Experienced in handling Oracle databases which are running using data guard cluster
- Proficient in kernel upgrades, applying Support packages, EHP installations and has excellent troubleshooting skills
- Experience in S4HANA upgrade using SUM Zero downtime option
Accomplishments
- Awarded as the star performer for client feedback received on Stanley black & Decker operations support project.
- Best Team Lead award for planning and execution of PepsiCo HANA Hardware Migration project.
- Awarded as individual performer for DMO Migration Project, Client EDEKA.
Certification
- AWS Certified Cloud Practitioner
- SAP Certified Technology Associate - SAP HANA 2.0 (SPS03)
- SAP Certified Technology Specialist - SAP S/4HANA Conversion and SAP System Upgrade 2019.
- Microsoft certified: Azure for SAP Workloads Specialty (AZ-120)
- Certified in Redhat Certified System Administartor
Timeline
SAP BASIS/HANA Administrator – Senior Consultant
Infosys Technologies
12.2020 - Current
SAP BASIS Migration Senior Consultant
Infosys Technologies
04.2019 - 12.2020
SAP Basis Lead
Infosys Technologies
10.2016 - 03.2019
SAP Basis Consultant
Yash Technologies
12.2012 - 09.2016
Jawaharlal Nehru Techological University
Bachelor of Science from Information Technology
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