Nayan Karmakar
SAP BASIS Lead & Strategic Technical Architect (Senior Manager @PWC India)
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About
Strategic SAP BASIS & Technical Architect Lead with over 14 years of experience specializing in end-to-end technical delivery, enterprise architecture, and cloud transformations. Demonstrates deep technical expertise in RISE with SAP Private Cloud migrations, Brownfield S/4HANA conversions, Greenfield implementations, and Selective Data Transitions (SDT) leveraging SNP Cristalbridge. Core strengths encompass SAP BTP Architecture & Administration, enterprise SAP Security, compliance-driven role design, and full-lifecycle system upgrades.
Recognized for driving operational excellence and high system reliability by engineering custom automation tools, automated Basis operations, and integrating SAP AI capabilities (including SAP Build Process Automation, BTP AI Foundation, and Joule). Proficient in proactive landscape management using SAP Cloud ALM and Solution Manager (ChaRM, ITSM, EWA, TechMon). Proven track record in leading large-scale cross-functional teams, orchestrating complex delivery lifecycles, and driving strategic presales and RFP solutions across Manufacturing, Oil & Gas, Utilities, Pharmaceuticals, Automotive, and Government sectors.
Experience
Associate Director - PwC India - India
(2016-02)
- Managed SAP BASIS team of 20+ members, ensuring high-quality delivery and compliance.
- Successfully executed 15+ S/4HANA implementations, 3+ migrations, and 5+ upgrades across global clients.
- Oversaw 20+ support projects, maintaining 99.9% system uptime and meeting SLA targets.
- Led 3+ RFPs and PCA activities, contributing to SAP transformation deals worth $5M+.
- Delivered 20+ implementations of SOLMAN modules (ChaRM, ITSM, EWA, TechMon, Test Suite, Job Management, Interface Monitoring, DVM, Custom Code), reducing incident resolution time by 30%.
- Designed complex SAP Security roles ensuring 100% SoD compliance and successful audit clearance.
- Developed 10+ custom automation tools for monitoring, upgrades, server migrations, and HANA DB operations, saving 200+ hours per month (Extensive System Monitoring & Alert, S/4HANA server Migration, SYBASE Replication to DR, ORACLE DB Upgrade, System maintenance Pre and post task, etc.).
- Consulted with 50+ global clients across industries, improving customer satisfaction scores by 20%.
- Key clients: DCWW, Adobe, Kintetsu, TATA Hitachi, Varun Beverage (RJ Corp), National Grid, Heineken, PepsiCo, Fujitsu, Mitsubishi, SAIL, Raymond, Linde, Vedanta, Berger Paints, Green ply, Daikin, Balmer Lawrie, COAL India, IFB, PARK, Aristo pharma, Exide, Yorkshire Water, UPCL, Ellucian, CPS Energy.
SAP BASIS & Solution Manager Consultant - Capgemini India Pvt. Ltd - India
(2015-05 - 2016-02)
Served as SAP BASIS & SOLMAN Consultant for a leading Food & Beverage client (COKE North America).
- Managed day-to-day troubleshooting and scheduled maintenance activities for 150+ SAP systems and bolt-ons.
- Initiated and implemented automation for scheduled maintenance, reducing manual effort by 75% and improving operational efficiency.
- Configured and maintained alert mechanisms in Solution Manager for proactive system health checks, ensuring 99.9% uptime.
- Streamlined monitoring processes, reducing incident response time by 20%.
- Delivered consistent value-add through process improvements and automation, enhancing customer satisfaction.
System Engineer - Tata Consultancy Services - India
(2011-12 - 2015-05)
SAP BASIS & Security Consultant supporting global automotive and utility clients (General Motors, Delphi, WBSEDCL, WBSETCL, Orange City Water).
- Contributed to 2 ERP and ISU implementations as BASIS and Security resource, ensuring smooth deployments and compliance.
- Managed Solution Manager monitoring and EWA reports for production environments, improving system stability by 15%.
- Part of automation and process improvement team, reducing manual tasks by 30% and enhancing operational efficiency by implementing many scripts.
- Delivered day-to-day troubleshooting and performance tuning for large SAP landscapes, maintaining 99.9% uptime.
- Worked across Water Utility, Energy & Utility, Government, and Manufacturing sectors, supporting mission-critical SAP systems.
Education
Executive Program - Executive Program for Business Management (EPBM) - IIM Calcutta (2026-03)
Bachelor of Technology - Electrical Engineering - Asansol Engineering College (West Bengal University of Technology) (2007 - 2011)
