Led a comprehensive redesign of the corporate network infrastructure for a financial services company with 500+ employees across multiple locations. The project involved replacing legacy networking equipment, implementing a new security architecture, and establishing a robust foundation for future growth.
Challenges
Legacy infrastructure with frequent outages and security vulnerabilities
Need for minimal disruption during transition
Complex compliance requirements for financial data
Multiple office locations with different connectivity requirements
Solutions
Implemented a hierarchical network design with clear separation between core, distribution, and access layers
Deployed redundant Cisco Catalyst 9300 switches with StackWise technology for high availability
Established a defense-in-depth security approach with next-generation firewalls and network segmentation
Created a phased migration plan with after-hours cutover to minimize business impact
Key Features
Redundant 10Gbps fiber connections between core switches
Network segmentation with VLANs and ACLs
Quality of Service (QoS) for voice and video traffic
"The network redesign has transformed our infrastructure from a liability to a competitive advantage. We've seen dramatic improvements in reliability, security, and performance."
— Sarah Johnson
CIO, Financial Services Inc.
Project Gallery
Network topology diagram showing the new hierarchical design