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Senior IT Enterprise Architect/Strategist

Canada, Toronto · Job Posted July 04, 2026
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Job Description

We are seeking a highly accomplished Senior IT Enterprise Architect/Strategist with master-level engineering expertise in Oracle infrastructure systems, identity ecosystems, and advanced performance modeling. In this role, you will take technical ownership of translating abstract architectural visions into highly resilient, distributed physical topologies to protect and monitor Ontario's secure health identity service (ONE ID). Operating across multi-data center environments and hybrid cloud structures, you will lead the strategic upgrade of enterprise telemetry engines from 13c to Oracle 24ai, build advanced active-active high-availability frameworks, and establish strict transport-layer security boundaries to safeguard Protected Health Information (PHI).

Job Responsibility

  • Lead the modeling, design, and end-to-end implementation of secure, scalable Oracle infrastructure solutions, transforming conceptual blueprints into verifiable logical and physical application architectures
  • Partner with core engineering squads to design, configure, and execute the structural platform upgrade of Oracle Enterprise Manager (OEM) from version 13c to 24ai
  • Programmatically construct automated monitoring metrics, deep-packet system telemetry, and corresponding threshold alert criteria within the OEM suite to optimize system reliability
  • Architect, test, and deploy resilient, multi-data center active-active configurations to ensure zero-downtime failover and seamless platform data replication
  • Enforce strict perimeter defense mechanisms across Single Sign-On (SSO) transaction routes, configuring advanced TLS/SSL cryptographic parameters, certificate pinning, and Public Key Infrastructure (PKI) layouts
  • Manage complex data routing, directory schema extensions, and application linkage patterns across Oracle 19c databases, Oracle Unified Directory (OUD), Oracle Access Manager (OAM), and Microsoft Active Directory
  • Act as the primary technical authority aligning Database Administrators (DBAs), Red Hat OpenShift engineering squads, and network security divisions to execute clean systems migrations
  • Author detailed physical architecture schemas, low-level deployment manuals, structural integration guides, and clear options analysis papers for executive stakeholder boards

Requirements

  • Minimum of 5+ years of hands-on professional experience serving as a Lead Solution Engineer, Infrastructure Architect, or Systems Specialist explicitly dedicated to the Oracle Enterprise Manager (OEM) software stack
  • 3+ years of dedicated technical experience developing within 13c OEM environments, with a verified background in custom performance profiling, log auditing, and programmatic alerting configuration
  • 3+ years of direct, practical experience engineering and optimization within Oracle database environments (including Oracle 19c/12c lines)
  • 5+ years of verified professional experience designing, setting up, and provisioning active-active multi-data center configurations and high-availability clustered architectures
  • Advanced, practical understanding of TLS/SSL network bindings and Public Key Infrastructure (PKI) lifecycle management within complex Single Sign-On (SSO) application structures
  • Outstanding capability to translate abstract business models into clear logical and physical documentation, design specs, and infrastructure build guides
  • Exceptional consultative communication and analytical presentation skills, with a track record of articulating complex architectural bottlenecks and option paths to both technical engineering squads and non-technical managers

Nice to have

  • Hands-on container virtualization experience utilizing Red Hat OpenShift or migrating enterprise infrastructure into AWS cloud infrastructure landing zones
  • Familiarity with the broader Oracle Identity Access Management suite (OAM, OUD, OIM, OAAM) and Microsoft Active Directory
  • Operational background delivering updates within structured Agile development sprints via Jira and Confluence tracking
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