How CGI Federal and AWS delivered 50% performance gains and 6-month ATO for GSA’s financial management system
Public Sector Blog
This article describes how CGI Federal and AWS successfully migrated GSA's Pegasys Financial Management system to the cloud, delivering significant performance and operational improvements.
- Migrated 30 terabytes of data, 100+ VMs, and 70 system interfaces to AWS in 6 months while maintaining continuous operations
- Achieved 30-50% improvement in system performance and 20% cost reduction immediately after migration
- Obtained Authority to Operate (ATO) in 6 months—approximately 2x faster than federal government benchmarks
- Used AWS Migration Acceleration Program (MAP) with proven assess-mobilize-migrate framework and lift-and-shift rehosting strategy
- Increased system reliability to 99.99% uptime and reduced test environment provisioning from 1 week to 2 hours
- Leveraged AWS FedRAMP compliance and 143+ security certifications to accelerate security authorization
The successful migration establishes a foundation for continuous modernization using AWS cloud services, AI capabilities, and advanced analytics while maintaining operational stability.
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