Tay Nguyen
Brownsburg,IN
Summary
Senior Data Engineer with 15-year experience in analysis, design and development of databases, data analytics, and business intelligence applications.
Overview
15
15
years of professional experience
Work History
Senior Data Engineer
Anthem Inc. (Elevance Health)
05.2015 - Current
- Design, develop, and maintain robust ETL/ELT pipelines for structured and unstructured data from multiple sources into cloud systems like Snowflake.
- Partner with data architects, data scientists, and analysts to design solutions that meet evolving data requirements and business objectives
- Maintain data quality, governance, integrity across systems, compliance, and HIPAA standard (including PHI and PII).
- Conduct performance tuning and troubleshooting of BI solutions, identifying and resolving issues to improve overall system efficiency.
- Identify data quality issues and support data governance initiatives by participating in necessary activities including data profiling, data mining, and data cleansing.
- Perform complex data analysis to troubleshoot issues and ensure all business requirements are satisfied and implemented appropriately.
- Drive continuous improvement in data engineering processes by identifying bottlenecks, reducing manual effort through automation, and advancing scalability standards.
- Conduct research and make recommendations on products, tools, services, protocols, and standards that will support operations and data management.
- Mentor junior engineers, provide technical guidance, and influence broader data platform strategy.
- Assist and collaborate to resolve cross-functional team problems.
- Participate in building IT solutions for Affordable Care Act (Obama Care) program.
Data Warehouse Developer
Advantage Health Solutions
10.2013 - 05.2015
- Developed and maintained ETL processes to extract, transform, and load data into the data warehouse using Microsoft SQL Server BI stack (SSIS, T-SQL, SSAS, SSRS).
- Created and optimized SQL queries and stored procedures for data extraction and reporting purposes.
- Designed and implemented data models and schemas for the data warehouse, ensuring efficient storage and retrieval of information.
- Performed data validation and audit of the transforming processes between systems following corporate validation rules.
- Assisted data warehouse manager to maintain data integrity and deliver high quality data for business operations.
- Collaborated with business analysts and stakeholders to gather requirements and translate them into technical solutions within the data warehouse environment.
- Conducted performance tuning and troubleshooting activities to ensure the data warehouse meets performance and scalability requirements.
Data Analytics Developer
SumTotal Systems
09.2011 - 05.2013
- Developed and maintained data analytics models to identify trends, patterns, and insights for strategic decision-making.
- Developed database and ETL objects like table, stored procedures, functions, and ETL packages using SQL Server and SSIS.
- Created visualizations and reports using tools IBM Cognos to effectively communicate findings to stakeholders.
- Collaborated with cross-functional teams to gather requirements and implement data solutions to support business objectives.
- Conducted data quality assessments and implemented data cleansing processes to ensure accuracy and reliability of analysis results.
Education
Bachelor of Science - Computer Science
Indiana University Purdue University Indianapolis (IUPUI)
Indianapolis, Indiana05-2011
Skills
- Power BI
- Tableau
- SSAS
- SSRS
- IBM Cognos
- SSIS
- SAS
- Azure
- Snowflake
- SQL Server
- Oracle
- Teradata
- C#
- Python
Timeline
Senior Data Engineer
Anthem Inc. (Elevance Health)
05.2015 - Current
Data Warehouse Developer
Advantage Health Solutions
10.2013 - 05.2015
Data Analytics Developer
SumTotal Systems
09.2011 - 05.2013
Bachelor of Science - Computer Science
Indiana University Purdue University Indianapolis (IUPUI)