Gowtham Mariappan Email & Phone Number

Chennai, Tamil Nadu, India

Chennai, Tamil Nadu, India

Chennai, Tamil Nadu, India

Chennai, Tamil Nadu, India

Analytical Data Lake for Operations IT – Lead ConsultantImplemented Data Lake solution that includes real-time and non-real time data ingestion from heterogeneous sources across the organization landscape using CICD with less manual intervention. Designed decoupled architecture for Data Lake as part of One IT initiative, so that the same can be leveraged across multiple verticals across organization. Defined a security model for the Data Lake access for different set of user and confidential data. As part of Data Lake implementation have got a chance to work on Qlik Replicate, PySpark, Apache Hudi, AWS Lambda, AWS S3, Jenkins, IAM Policies US Shared Hub for Analytics and Reporting Platform – Senior Data Engineer The main objective of the project is to lift and shift all the data ingestion pipelines from Cloudera and Informatica BDME to an in-house framework solution which uses PySpark/Spark SQL for ETL and AWS EMR for Computation and S3 for Storage. Apart from this, we have created new pipelines in the framework to load the data that will be consumed by reporting team as well. For jobs scheduling, we have used Airflow and for CICD we leveraged Bit Bucket and BambooBusiness Intelligence Shared Service Platform Support – Technical Lead As a Platform Lead responsible for the Installations and Upgrade for Informatica landscape across the Enterprise. Cross trained the team to handle L1 Support issues, for 24*7 support over the weekend. Participated in Architect review meeting and provided suggestion to continuously improve the reliability on the platform. Created in-house Jenkins platform for continuous deployment of Informatica Objects from different environments. Apart from the Platform Support, have worked on consolidating the domains across landscape for easy maintenance and cost reduction with respect to License and Operations

Chennai, Tamil Nadu, India

Application Support Specialist Worked as an Offshore Lead and driving the team to constantly evolve and adapt business logics to meet the client expectations. As an Offshore Lead responsible for Production Support Enhancements and managing 3-tier Informatica Platform. Worked on rewriting the DataStage ETL jobs to Informatica PowerCenter with zero defects.

Chennai, Tamil Nadu, India

Informatica Platform Support As a platform support team, we are responsible for Informatica installations and applying hotfixes across various environments. Worked on Informatica migration from version 8.6 to 9.1 which includes migrating the contents from physical servers to VM for cost optimization. Handled regular BAU activities like Users Onboarding, Deployment, Project Setup and Daily Monitoring of Informatica Platform across all the environments