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Ontario Dental Association

Enterprise Systems Evolution & Legacy Modernization

Guided a 12-year architectural evolution for a provincial governing body, transitioning mission-critical data from legacy mainframes to modern virtualized ecosystems.

Challenge

A high-compliance professional association required a long-term strategic partner to modernize legacy data systems and consolidate physical infrastructure without interrupting provincial dental claim processing or member services.

Technical Highlights

  • Legacy-to-Distributed Migration: Led the high-stakes transition of core member data and financial systems from legacy mainframe environments to enterprise-grade Unix/Oracle clusters.
  • Infrastructure Consolidation: Orchestrated a comprehensive virtualization strategy, replacing physical server sprawl with a high-availability VMware environment.
  • Provincial Financial Integration: Managed the EDI (Electronic Data Interchange) infrastructure responsible for secure claim payments between provincial systems and national associations.
  • Security & Governance: Designed and maintained a private internal data center and secure collaboration portals for board-level governance.

Result

Delivered a decade-plus horizon of infrastructure stability, successfully navigating the organization through three distinct eras of computing (Mainframe, Distributed, and Virtualized) with 99.9% uptime for mission-critical operations.

Project Technology Stack

  • Infrastructure: IBM System/390 (Mainframe), HP 9000 V-Class Clusters, VMware ESXi.
  • Database & OS: Oracle (7, 8, 8i), HP-UX, Windows Server (NT 4.0 through 2012).
  • Connectivity: X12 EDI Mapping, AS2 Protocols, Internet Mail Service (IMS).
  • Collaboration: Exchange (4.5 through 2013), SharePoint Portal Server.