Viswanathan Shanmugam

• Developed and maintained large-scale data validation systems for Equinix using
Siebel CRM, Informatica pipelines, and Python automation — ensuring accuracy

business units.

System (SPS), increasing data reliability for downstream reporting.
• Executed backend data operations using Informatica PowerCenter, Oracle
SQL/PL/SQL, Python, and Unix Shell Scripting.

• Delivered enterprise ETL projects for Bayer HealthCare Pharmaceuticals and Sales
Analytics & Administration System (SAAS), supporting analytical data delivery for
global business teams.
• Handled end-to-end ETL development and complex data transformations using
Informatica PowerCenter, Oracle SQL/PL/SQL, Python, and Unix Shell Scripting.
• Optimized high-volume data processing workflows, improving pipeline throughput
and reducing batch processing time across multiple project lifecycles.