Aparna Ravindran

Data Engineer with 3+ years of experience in ETL pipeline operations, AWS cloud technologies, and production support. Skilled in Apache Airflow (AWS MWAA), SQL, Python, Amazon S3, Glue, EMR, Redshift, and Athena. Experienced in managing 700+ ETL workflows, performing data validation, troubleshooting pipeline failures, conducting root cause analysis, and ensuring data quality and reliability. Strong knowledge of data warehousing, workflow automation, and cloud-based data engineering solutions.

Data Engineer (ETL & Data Pipeline Operations) - Tata Consultancy Services - Chennai

(2024-11)

• Managed and monitored 700+ ETL pipelines using Apache Airflow (AWS MWAA).
• Validated data availability in Amazon S3 and metadata in AWS Glue Catalog.
• Analyzed EMR logs to identify and resolve pipeline failures and performance issues.
• Performed root cause analysis (RCA) and resolved pipeline failures.
• Fixed recurring issues by optimizing Airflow DAG schedules.
• Executed data backfills and reprocessing for failed workflows.
• Deployed production changes using Jenkins CI/CD pipelines.
• Used Git for version control and Jira for tracking tasks and incidents.
• Improved data quality and pipeline stability through collaboration with teams.
• Performed data validation and analysis using Amazon Redshift, ensuring data integrity across ETL pipelines.

Application Support Engineer (Cognos) - Tata Consultancy Services - Chennai

(2023-05 - 2024-11)

• Supported enterprise BI and planning applications using IBM Cognos.
• Performed data validation, issue troubleshooting, and system optimization.
• Conducted Root Cause Analysis (RCA) for application and data-related issues.
• Implemented fixes and workarounds to improve system stability and performance.
• Provided technical support for reporting, configuration, and end-user issues.
• Documented incidents, resolutions, and operational procedures for knowledge sharing.

Graduate Trainee - Tata Consultancy Services - Chennai

(2022-12 - 2023-05)

• Completed technical training in Python, Java, HTML, CSS, and Web Development concepts.

Bachelor of Computer Application - Stella Maris College (2019-06 - 2022-06)

HSC - Guru Nanak School (2018-06 - 2019-04)

SSLC - Guru Nanak School (2016-06 - 2017-04)