Senior Stardog Database Administrator

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.

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!

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.

Working at Vizient means shaping the future of healthcare, every day. Alongside our clients, we’re building a healthier, more human healthcare system. We connect people, data, and solutions to enable healthcare organizations to improve financial sustainability, enhance system performance, and deliver better care. Headquartered in Irving, Texas, with 11 offices across the United States, Vizient has more than 5,000 employees who bring deep expertise and a shared commitment to transforming healthcare. Together, we’re solving some of the industry's most complex challenges while creating opportunities to learn, grow, and drive lasting change for healthcare organizations and the communities they serve. Through our enterprise of companies, we deliver meaningful impact across the continuum of care: Apexus - The exclusive contractor for 340B Drug Pricing Program, managed by the Health Resources and Services Administration. aptitude - The industry's first online direct contracting market, supporting self-contracting activity between hospitals and suppliers. Kaufman Hall - Leading healthcare advisory services to support our clients in achieving financial, clinical, and operational excellence. Provista - Proven supply chain partner specializing in extended, diagnostic, and preventive care facilities, including surgery centers, home health, and senior living.