Senior Stardog Database Administrator
Posted Sep 30, 2026 · We last checked this listing on Oct 5, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about a time you worked with architects or data governance teams on an ontology change.
What they are checking: Whether they collaborate well with modelers and understand how ontology changes affect the database.
What would you do
The production graph goes down during a busy reporting period. What do you do?
What they are checking: Whether they stay calm, restore service quickly and communicate clearly with users.
About the work
Walk me through how you'd install and configure a Stardog cluster for production high availability.
What they are checking: Whether they have real hands-on experience running Stardog reliably in production.
A SPARQL query that used to run in seconds now takes minutes. How would you troubleshoot it?
What they are checking: Whether they can read query plans, check indexes and reasoning settings to find performance problems.
How does turning on reasoning affect query performance, and how do you manage that?
What they are checking: Whether they understand the cost of semantic reasoning and how to tune or scope it.
What's your backup and disaster recovery approach for a knowledge graph?
What they are checking: Whether they plan and test recovery so a failure doesn't cost the organization its graph data.
How would you use SHACL to validate healthcare data in the graph?
What they are checking: Whether they can enforce data quality rules in a semantic environment.
How do you plan a Stardog version upgrade with minimal downtime?
What they are checking: Whether they manage upgrades carefully with testing in lower environments and rollback plans.
How would you secure a knowledge graph that holds sensitive healthcare data?
What they are checking: Whether they apply access controls, encryption and auditing appropriate for healthcare information.
How would you set up data virtualization so the graph can query a source without copying the data?
What they are checking: Whether they understand Stardog virtual graphs and their tradeoffs in performance and freshness.
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As published by Vizient.