Executive Summary
A Midwest Credit Union, working with Infinite, ToolCase, and Think|Stack, achieved a milestone by successfully migrating their Fiserv DNA core banking system to Amazon Web Services (AWS). This implementation demonstrates the viability of running critical financial systems on AWS while delivering operational and cost benefits.
The Challenge
The credit union faced several challenges with their traditional data center infrastructure:
The Solution
The migration project was a multi-vendor effort:
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ToolCase led the Oracle database migration and configuration.
• Fiserv recommended Infinite for managing the migration of DNA services.
• Think|Stack focused on the physical on-premise and AWS environment, including:
- Designing the full AWS architecture and LAN/SDWAN connectivity
- Implementing Infrastructure as Code (Terraform) to provision VPC, TGW, servers, load balancers, and supporting infrastructure
- Delivering performance, security, and compliance controls in accordance with NCUA requirements
- Coordinating with the customer, Infinite, ToolCase, and other vendors for integrations
- Providing troubleshooting and configuration support throughout the migration
- Performing audits, optimizations, and ongoing maintenance post-migration
The Benefits
The implementation delivered multiple outcomes:
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Operational Efficiency
- Significant reduction in physical data center reliance
- Streamlined infrastructure management
- Enhanced disaster recovery capabilities
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Technical Achievement
- Successful migration of Fiserv DNA to AWS with Infinite and ToolCase
- Improved Tableau performance
- Scalable infrastructure provisioning within minutes
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Strategic Advantages
- Positioned for AI/ML adoption
- Enhanced data analytics capabilities
- Simplified vendor management
Time to Value
The proof of concept was completed within 12–16 weeks, demonstrating rapid implementation while maintaining security and reliability standards.
Partner Solution
The solution leveraged several AWS services along with Infinite, ToolCase, and Think|Stack’s expertise in financial services technology to create a secure, compliant, and efficient cloud environment for core banking operations.
Customer Quote
"This wasn't just a tech project — it was a leadership moment. This client proved what's possible when a credit union takes control of its future. And now, others are ready to follow." - Khaled Antar, VP of Infrastructure, Think|Stack
Looking Ahead
This project provides a strong example for credit unions considering cloud migration. It shows that even mission-critical banking systems can operate securely and effectively on AWS, opening new possibilities for innovation and operational efficiency in the financial services sector.
About Think|Stack
Think|Stack is an AWS Advanced Consulting Partner specializing in cloud solutions for financial institutions, helping credit unions modernize their infrastructure and embrace digital transformation.
For more information about implementing similar solutions for your organization, visit www.thinkstack.co/contact
