Karthikeyan Sundaram

About Karthikeyan Sundaram

I am an experienced Data Solution Architect with 18+ years of expertise in designing and implementing enterprise-scale data platforms across cloud and hybrid environments. I specialize in modern data architectures, semantic modeling, AI-enabled analytics, and cloud-native data ecosystems that transform business requirements into scalable, high-performance solutions.My experience spans end-to-end data strategy — from enterprise data modeling and ETL/ELT design to building intelligent analytics platforms powered by Snowflake, AWS, Azure, and big data technologies. I focus on aligning data architecture with business domains to enable governed, insight-driven decision-making.In recent engagements, I have been leading Snowflake-native innovation initiatives, including:* Designing business-aligned Semantic Models for governed analytics* Implementing Snowflake Cortex (Analyst, Search, and AI Agents) for conversational and AI-driven data access* Building Streamlit applications within Snowflake to deliver interactive, secure data applications* Optimizing Snowflake performance, cost governance, and workload management* Enabling Snowflake Intelligence use cases for advanced analytics and AI integrationI also bring strong expertise in cloud automation and integration, including:* Azure Logic Apps and Azure Functions for workflow automation and system integration* Python-based data processing and orchestration* ETL/ELT development using Matillion and native cloud services* Designing scalable data pipelines across AWS and Azure ecosystemsMy technical foundation includes SQL Server, PostgreSQL, MySQL, AWS RDS, Snowflake, Hadoop, Hive, Spark (Scala), along with BI tools such as SSIS, SSRS, and Power BI.I have successfully delivered complex transformation programs across industries using both Agile and Waterfall methodologies, ensuring architectural governance, performance optimization, and long-term scalability.Core Competencies:* Enterprise Data Architecture & Semantic Modeling* Snowflake Data Cloud & Cortex AI* AI-Enabled Analytics & Data Intelligence* Cloud Platforms (AWS, Azure, Snowflake)* ETL/ELT Design, Automation & Optimization* Streamlit & Data Application Development* Workflow Automation (Azure Logic Apps, Azure Functions)* SDLC Leadership (Agile & Waterfall)I continuously evolve with emerging data and AI trends, combining deep architectural expertise with modern AI-driven capabilities to build intelligent, future-ready data platforms.

Experience

1. Senior Manager - Projects

   Cognizant

   Mar 2024 — Present · Coimbatore, IN

   Lead end-to-end Snowflake data platform initiatives, aligning data architecture with business domains such as Supply Chain, Customer Delivery, and Finance- Design and develop scalable ETL/ELT pipelines using Matillion and Snowflake-native features (Streams, Tasks, Snowpipe) for high-performance data ingestion and transformation- Build and optimize Snowflake data warehouses focusing on performance tuning, cost optimization, workload management, and storage efficiency- Design dimensional data models (Star/Snowflake schema) and business-aligned data marts to enable analytics and reporting use cases- Develop and manage Snowflake Cortex capabilities including Cortex Analyst, Semantic Models, Search, and AI Agents to enable governed, conversational analytics- Translate business requirements into structured semantic layers by defining KPIs, metrics standardization, synonym governance, and resolving ambiguity across dimensions- Enable AI-driven insights using Snowflake Intelligence by integrating curated data models with advanced analytics use cases- Collaborate closely with business stakeholders, data analysts, and data scientists to deliver scalable, secure, and production-ready data solutions- Automate and orchestrate data workflows while ensuring data quality, monitoring, and governance best practices.

Education

• Anna University Chennai

  Bachelor of Engineering - BE, Electrical And Electronics Enginnering

  2003 — 2007