Karthik Subramanian
Senior Consultant @ EY | Ex-Infoscion | SAP BASIS & Infrastructure Consultant | S/4HANA Upgrades & Conversions | SAP Certified BTP & Cloud ALM Consultant | Windows & Linux Administration | Certified in AWS and Azure
- Role
- Senior Consultant at EY
- Location
- Chennai, TN, IN
- LinkedIn followers
- 500 followers
About Karthik Subramanian
I am an experienced SAP BASIS Consultant with a strong track record in managing, optimizing, and securing complex SAP landscapes. I hold the Infosys Certified SAP Basis Administrator Associate certification, validating my expertise in core SAP Basis administration. I am also certified in SAP Cloud ALM, SAP BTP Solutions Architecture, Microsoft Azure Fundamentals, and AWS Cloud Practitioner, demonstrating my ability to operate and architect solutions across both SAP-native and hyperscaler cloud environments. In addition, I earned the “Discovering SAP Business Technology Platform” Record of Achievement, reflecting my commitment to staying aligned with SAP’s evolving technology ecosystem.My technical expertise includes SAP system installations, upgrades, patching, performance tuning, and the implementation of comprehensive security frameworks to safeguard critical business data. I have led complex SAP HANA migration initiatives, delivering measurable performance gains, improved system responsiveness, and optimized infrastructure costs. I bring hands-on experience in integrating on-premise, SAP cloud, and hyperscaler platforms (Azure & AWS) to build scalable, resilient, and future-ready SAP landscapes.Beyond technical execution, I excel at aligning IT strategies with business objectives to drive operational efficiency and long-term value. My strong analytical and problem-solving abilities, combined with clear communication skills, enable seamless collaboration with cross-functional stakeholders, project teams, and business leaders.Driven by continuous learning and operational excellence, I consistently leverage emerging SAP and cloud technologies to enhance system reliability, performance, and innovation—making me a valuable asset to organizations seeking to modernize and strengthen their SAP infrastructure.
Experience
Senior Consultant
May 2025 — Present
Education
Amrita Vishwa Vidyapeetham, Coimbatore
Bachelor of Technology - BTech, Electrical and Electronics Engineering
2016 — 2020
Great Lakes Institute of Management
Master of Business Administration - PGDM
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