BRINDAVAN MOOKAIAH

SAP R/3 – BASIS Installation, Upgrade & Migration

SAP Installation & Platform Experience

Installed 450 SAP systems across standalone and distributed landscapes, spanning legacy SAP, NetWeaver, and S/4HANA platforms, including:SAP 47E, BW 30, CRM 2005, ECC 60 (SR2, EHP6, EHP7, EHP8), EP 70/73, BI 70, PI 70, Solution Manager 40, S/4HANA 2016 & 2021

Deployed and configured 750 SAP application servers across ECC 60 and multiple NetWeaver versions

Extensive experience installing and administering databases: Oracle 10g, 11g, 12c, 19c; SAP HANA 10, HANA 20 (SP03); SAP ASE 16

SAP Upgrades

SAP ECC 60 (2005s) → EHP8 (SP17, Aug 2020)

SAP ECC 60 ERP EHP4 → EHP6

SAP ECC 60 EHP5 → EHP7

SAP ECC 60 (2004s) → EHP8 (2018)

SAP CRM EHP3 → EHP4

Performed Support Package Stack upgrades across SAP landscapes

Led complex Oracle DB upgrades:

7 upgrades from Oracle 10g (AIX) → 11g

8 upgrades from Oracle 11g → 12c

Executed 300 SAP system copies using database refresh, export/import, and file system copy methodologies

SAP Migration Experience

Extensive end-to-end SAP migration experience including hardware refreshes, OS/DB migrations, data center consolidations, and cloud migrations to AWS and Azure

SAP PI 70 OS migration from AIX to Linux

SAP NetWeaver 70 Java hardware migration with DNS/FQDN changes

Hardware migration of SAP ECC 60 (Linux SUSE / Oracle 11g) to new host

Built and configured SAP HANA systems on Microsoft Azure

SAP BASIS Consultant – R/3 BASIS Expertise (Technical Support)

Expertise in SAP installation, configuration, administration, and production support

Managed SLAs for ERP, BI, and AS Java systems, including system copy operations

Implemented annual Support Package and patch updates across landscapes

Designed and configured three-system landscapes (DEV–QAS–PRD)

Conducted system refreshes as per client requirements

Performed performance tuning through profile parameter optimization, buffer monitoring, and sizing

Managed client administration, including client copies, exports, and deletions

Applied SPAM/SAINT patches, BASIS & ABAP patches, kernel upgrades, and OSS Notes

Administered SAP systems on HANA, Oracle, and ASE 16 databases

Executed homogeneous and heterogeneous system copies and migrations

Performed online and offline database reorganizations

Enabled R/3 connectivity with BW/BI systems

Worked on table index creation and optimization

Managed SAP printing and spool configuration, troubleshooting complex user printing issues

Conducted proactive daily monitoring of SAP production systems:

ABAP dumps, alerts, job failures, interfaces, system traces, lock situations

Tuned alert thresholds and operation modes

Implemented SAP archiving strategies (write, delete, store) to improve system performance and data retention

Demonstrated advanced expertise in Oracle Block Editor, recovering corrupted database blocks without backups, including table, index, and free-space corruption repair

Community & Recognition

SAP SCN Silver Member

Published 20 SAP-approved technical documents, contributing best practices and thought leadership to the SAP global community

Onsite Experience

SAP BASIS Co-Coordinator – Volvo Cars Corporation, Gothenburg, Sweden