Administer and optimize Stardog knowledge graph environments across development, test, and production. Responsibilities include platform installation, configuration, monitoring, upgrades, security, performance tuning, backup and disaster recovery, SPARQL optimization, semantic modeling, healthcare ontology support, data integrations, automation, cloud-native deployments, Linux administration, and collaboration with data, platform engineering, architecture, and governance teams.
When 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.
Vizient Chicago, Illinois, USA Office
Chicago, United States
Vizient Skokie, Illinois, USA Office
Skokie, United States
Similar Jobs
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
Develop and maintain embedded software for the F-22 Operational Flight Program and associated test systems. Responsibilities include requirements analysis, software design, development, integration, testing, debugging, documentation, architecture, process improvement, and stakeholder support. Engineers work within agile teams, support real-time systems and simulations, manage software research activities, and contribute to project and supplier performance. The role requires an active Secret clearance, ability to obtain F-22 SAP clearance, and occasional travel under 10%.
Top Skills:
AdaAgileCC#C++Embedded SoftwareJavaPythonReal-Time Operating Systems (Rtos)
Financial Services
Investigates cybersecurity findings from assessments, incidents, red teams, and operations; performs root cause and risk analysis; prioritizes remediation; designs technical and procedural solutions; and communicates recommendations to technical teams, stakeholders, and senior leaders. Uses validated enterprise AI capabilities to accelerate evidence synthesis and reporting while maintaining security, resiliency, compliance, and data-handling standards.
Top Skills:
CCloud ArchitecturesDlpEdr/XdrFirewallsIds/IpsJavaScriptPythonSIEMSoarVbscriptWeb Proxies
Financial Services
Own the strategy, roadmap, and delivery of enterprise context-layer products that make data understandable, reusable, governed, and actionable for AI, analytics, and agentic solutions. Partner with ontology, semantic engineering, technology, governance, risk, compliance, and business teams. Prioritize backlogs, define success metrics, drive adoption of semantic capabilities, ensure regulatory compliance, communicate with senior leaders, and mentor product team members.
Top Skills:
Ai/MlAnalyticsAPIsContext EngineeringData PlatformsEnterprise OntologiesKnowledge GraphsMemory FrameworksMetadata ManagementRetrieval-Augmented Generation (Rag)Semantic ModelsSemantic Web StandardsTaxonomiesVirtual Knowledge Graphs
What you need to know about the Chicago Tech Scene
With vibrant neighborhoods, great food and more affordable housing than either coast, Chicago might be the most liveable major tech hub. It is the birthplace of modern commodities and futures trading, a national hub for logistics and commerce, and home to the American Medical Association and the American Bar Association. This diverse blend of industry influences has helped Chicago emerge as a major player in verticals like fintech, biotechnology, legal tech, e-commerce and logistics technology. It’s also a major hiring center for tech companies on both coasts.
Key Facts About Chicago Tech
- Number of Tech Workers: 245,800; 5.2% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: McDonald’s, John Deere, Boeing, Morningstar
- Key Industries: Artificial intelligence, biotechnology, fintech, software, logistics technology
- Funding Landscape: $2.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Pritzker Group Venture Capital, Arch Venture Partners, MATH Venture Partners, Jump Capital, Hyde Park Venture Partners
- Research Centers and Universities: Northwestern University, University of Chicago, University of Illinois Urbana-Champaign, Illinois Institute of Technology, Argonne National Laboratory, Fermi National Accelerator Laboratory
