Senior Data Architect/Modeller Job at Randstad (Toronto)

Senior Data Architect/Modeller

Randstad

Location:
Canada , Toronto

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We are seeking a highly specialized and strategic Senior Data Architect/Modeller to spearhead the development of a public health data ontology. This critical role involves designing the data models, business glossaries, and interoperability standards that will serve as the foundation for a cloud-based public health data domain. Your work will directly support public health surveillance, multi-domain analysis, and the architectural groundwork for a provincial immunization registry data product.

Job Responsibility:

Design and maintain enterprise-level data architectures tailored for complex public health systems
Develop logical and physical data models for diverse health datasets, including patient, encounter, immunization, and surveillance data
Implement modern data frameworks, utilizing Data Lakehouse and Medallion Architecture (Bronze/Silver/Gold) on cloud platforms
Ensure data normalization, dimensional modeling, and robust metadata management
Lead the implementation and profiling of HL7® FHIR® resources to ensure seamless data exchange
Align all architectural designs with Canadian health data standards, including SNOMED CT and LOINC
Support data integration across varied environments, including EHR, EMR, and public health systems
Define and enforce data governance, privacy, and security standards in compliance with PHIPA and FIPPA
Implement role-based access controls and identity management frameworks (OAuth2, OpenID Connect)
Support audits and governance reviews by maintaining precise documentation and audit artifacts
Work closely with vendors and public health experts to ensure the architecture meets clinical and business needs
Provide technical leadership in Azure and Databricks environments
Communicate complex technical concepts to non-technical stakeholders and executive leadership

Requirements:

8+ years of experience in Data Modeling and Architecture (Conceptual, Logical, and Physical)
8+ years of deep expertise with HL7® FHIR®, including resource profiling and Implementation Guides (IGs)
8+ years of experience with Canadian health standards (SNOMED CT, LOINC)
8+ years of proficiency with FHIR tools such as Forge, IG Publisher, and Simplifier.net
Proven experience with cloud-based platforms, specifically Azure and Databricks
Strong knowledge of SQL, Python, and R for data manipulation
Experience with ETL tools (e.g., Informatica) and API-based exchange (HAPI FHIR)
Familiarity with Enterprise Architecture tools such as Sparx EA or ArchiMate
Comprehensive understanding of the Personal Health Information Protection Act (PHIPA)
Bachelor’s or Master’s degree in Computer Science, Health Informatics, or a related field

What we offer:

Fully Remote: Enjoy the flexibility of a 100% remote work arrangement
High-Level Impact: Build the foundational architecture for a major public health data domain and immunization registry
Expert Collaboration: Work alongside top-tier vendors and public health experts in a strategic advisory capacity
Modern Tech Stack: Hands-on architectural design within Azure, Databricks, and FHIR-based ecosystems

Additional Information:

Job Posted:
February 19, 2026

Expiration:
April 13, 2026

Employment Type:

Fulltime

Work Type:

Remote work

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