Tendulkar P
AWS Data Engineer | Production Support Engineer | ETL Support Engineer
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About
Result-oriented Technical Professional with 4.5 years of experience at Cognizant, specializing in L2/L3 production support, cloud infrastructure monitoring, and data engineering workflow optimization. Proven expertise in managing enterprise-scale ETL pipelines via Talend and troubleshooting complex SQL queries and Redshift performance issues. Proficient in monitoring critical AWS environments using CloudWatch, Lambda, S3, DynamoDB, and Managed Apache Airflow (MWAA).
Adept at incident management, structured root cause analysis (RCA), and designing interactive Power BI dashboards to drive robust operational efficiency and maximize SLA compliance.
Experience
Production Support Engineer / AWS Data Engineer at Cognizant (2021-09 – 2026-05)
- Supported AWS-based enterprise data pipelines utilizing S3, Redshift, and Talend ETL workloads to guarantee high availability and data integrity.
- Monitored automated production jobs diligently and resolved operational failures swiftly within strict SLA boundaries.
- Analyzed AWS CloudWatch logs thoroughly to isolate, debug, and resolve complex application errors and Lambda execution issues.
- Troubleshot complex SQL scripts and fine-tuned Amazon Redshift query performance to eliminate system bottlenecks.
- Executed rigorous data validation protocols and extended critical technical support during scheduled production deployments.
- Designed and managed comprehensive Power BI dashboards and interactive reports using DAX to present operational intelligence.
- Led incident management workflows, authored detailed Root Cause Analysis (RCA) documentation, and executed daily system health checks.
Independent Software Developer / Technical Lead at Freelance Enterprise Projects (2021 – Present)
- Functioned as an autonomous Full-Stack Developer, managing the entire software development lifecycle (SDLC) from requirements gathering to final architecture deployment.
- Conceptualized, programmed, and launched custom full-stack software applications designed for advanced data tracking, metrics logging, and workflow analytics.
Education
B.E. in Mechanical Engineering – VSB Engineering College, Karur
