Senior Stardog Database Administrator

Vizient, Inc; Irving (TX); On-site; USD 102,000 - 179,000; Full time

Job summary

Vizient, Inc. seeks a Senior Stardog Database Administrator to manage enterprise knowledge graphs and Stardog deployments across multiple environments.

You will optimize SPARQL queries, support healthcare analytics, interoperability, and AI initiatives while ensuring security, scalability, and reliability of the knowledge graph platform. Responsibilities include automation, integration with data platforms, and collaboration with data governance and engineering teams.

Qualifications

• Experience administering Stardog in production environments.
• Strong knowledge of RDF/OWL/RDFS/SHACL and healthcare ontologies.
• Proficiency with SPARQL tuning and graph performance optimization.

Responsibilities

• Install, configure, monitor, upgrade, and maintain Stardog environments across dev, test, and prod.
• Ensure platform availability, security, reliability, and performance.
• Develop and optimize SPARQL queries and reasoning performance for large graphs.
• Implement backup, recovery, and disaster recovery processes.

Skills

Stardog

SPARQL

Knowledge graphs

Kubernetes

Docker

Azure

SQL databases

Tools

Stardog

Kubernetes

Docker

Azure

Job description

## Senior Stardog Database AdministratorApply: Edina, MN 55435: Irving, TX 75062 Provista Corporate HQ: Chicago, IL 60607: Full time: Posted Today: 35197RWhen you’re the best, we’re the best. We instill an environment where employees feel engaged, satisfied and able to contribute their unique skills and talents while living and working as their authentic selves. We provide extensive opportunities for personal and professional development, building both employee competence and organizational capability to fuel exceptional performance through an inclusive environment both now and in the future.**Responsibilities:** In this role, you will:* 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. **Estimated Hiring Range:**At Vizient, we consider skills, experience, and organizational needs in our compensation approach. Geographic factors may adjust the range estimate and hires typically fall below the top range. Compensation decisions are tailored to individual circumstances. The current salary range for this role is $102,400.00 to $179,000.00.This position is also incentive eligible.Vizient has a comprehensive benefits plan! Please view our benefits here:http://www.vizientinc.com/about-us/careers**Equal Opportunity Employer: Females/Minorities/Veterans/Individuals with Disabilities**The Company is committed to equal employment opportunity to all employees and applicants without regard to race, religion, color, gender identity, ethnicity, age, national origin, sexual orientation, disability status, veteran status or any other category protected by applicable law.