Senior Knowledge Graph & Stardog Engineer

Vizient; Chicago (IL); On-site; USD 102,000 - 179,000; Full time

Benefits offered by this job

Incentive eligible

Benefits package

Job summary

Vizient seeks an experienced Graph Database Engineer to install, configure, monitor, and maintain Stardog environments across development, test, and production. You will ensure platform availability, security, reliability, and performance, supporting healthcare analytics and AI initiatives.

You will optimize SPARQL queries, manage semantic data models, and collaborate with architects and governance teams to design ontologies.

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 seeks an experienced Graph Database Engineer to install, configure, monitor, and maintain Stardog environments across development, test, and production. You will ensure platform availability, security, reliability, and performance, supporting healthcare analytics and AI initiatives.

You will optimize SPARQL queries, manage semantic data models, and collaborate with architects and governance teams to design ontologies.