Senior Stardog Architect for Healthcare Knowledge Graphs

Vizient; Edina (MN); On-site; USD 102,000 - 179,000; Full time

Benefits offered by this job

Incentive eligible

Comprehensive benefits

Job summary

Vizient is seeking a senior engineer to manage and optimize Stardog-based knowledge graphs across development, testing, and production environments. The role focuses on platform availability, security, performance, and scalable data models for healthcare analytics and interoperability.

You will develop SPARQL queries, support AI initiatives, and collaborate with architects to maintain ontologies while ensuring robust backup, disaster recovery, and IaC-aligned operations.

Responsibilities

• Install, configure, monitor, upgrade, and maintain Stardog environments across development, test, and production.
• Ensure knowledge graph platform availability, scalability, security, reliability, and performance.
• Administer enterprise knowledge graph solutions supporting healthcare analytics, interoperability, benchmarking, quality reporting, and AI initiatives.
• Develop and optimize SPARQL queries, semantic reasoning performance, indexing strategies, and large-scale graph workloads.
• Implement and maintain backup, recovery, disaster recovery, and business continuity processes.
• Manage RDF, OWL, RDFS, SHACL, and semantic data models representing healthcare concepts, measures, entities, and relationships.
• Collaborate with enterprise architects and data governance teams to design and maintain healthcare ontologies and semantic models.
• Support data virtualization, graph integrations, and semantic interoperability initiatives.
• Partner with Data Engineering and Platform Engineering teams to support enterprise data platforms.
• Integrate Stardog with SQL Server, PostgreSQL, Databricks, cloud storage platforms, APIs, and data integration technologies.
• Develop automation scripts and operational procedures for deployment, monitoring, maintenance, and platform administration.
• Support cloud-native deployments utilizing Kubernetes, Docker, Azure Container Apps, Azure Kubernetes Service (AKS), and related Azure services.
• Monitor platform health, performance, capacity, and operational metrics.
• Perform performance tuning and capacity management for graph database environments.
• Support CI/CD and Infrastructure-as-Code (IaC) practices where appropriate.
• Administer and support platform operations within Linux-based environments using command-line tools.

Job description

Vizient is seeking a senior engineer to manage and optimize Stardog-based knowledge graphs across development, testing, and production environments. The role focuses on platform availability, security, performance, and scalable data models for healthcare analytics and interoperability.

You will develop SPARQL queries, support AI initiatives, and collaborate with architects to maintain ontologies while ensuring robust backup, disaster recovery, and IaC-aligned operations.