Our Client is seeking a Senior Data Architect / Modeller to support the ONE ID 2.0 modernization initiative under the Digital Excellence in Health transformation program. The project focuses on modernizing provincial identity and access management platforms and related healthcare data systems.
The consultant will lead legacy data discovery, data quality assessment, migration mapping, and transformation activities while collaborating with architecture, integration, governance, and security teams.
Key ResponsibilitiesLead discovery and assessment of legacy identity, provider, credential, organization, and device data
Develop data inventories, dictionaries, conceptual models, and ER diagrams
Perform data profiling and data quality analysis across complex systems
Create detailed source-to-target mappings for migration initiatives
Define transformation, cleansing, normalization, and validation rules
Support migration planning, sequencing, and data verification activities
Collaborate with integration teams on payloads, mappings, and validation requirements
Support integration testing, system testing, and UAT activities
Produce technical and business documentation for stakeholders
Ensure compliance with healthcare data governance, privacy, and security standards
Present findings, risks, and recommendations to leadership teams
5+ years of experience as a Data Architect, Data Specialist, or similar role
Strong experience in complex multi-system enterprise environments
Hands-on experience with:
Legacy data discovery
Data profiling
Data quality assessment
Source-to-target data mappings
Strong understanding of:
Conceptual, logical, and physical data models
ER modelling
SQL
Experience with data quality/profiling tools such as:
Informatica
Talend
Collibra
Great Expectations
Experience working with:
Healthcare data
Identity data
HL7 v2 / FHIR standards
Provider registries
Strong stakeholder communication and documentation skills
Experience collaborating with architecture, governance, integration, and security teams
IAM or IGA experience
Knowledge of:
SAML
OAuth
OIDC
Federation concepts
Experience with device identity or credential data
Public sector or government project experience
MDM knowledge
Exposure to:
Mulesoft
Boomi
Informatica Cloud
Azure
AWS
GCP
Data Architect • Toronto, ON, Canada
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