HMH logo
HMH

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and intervention solutions, and professional learning services, HMH partners with educators and school districts to uncover solutions that unlock students’ potential and extend teachers’ capabilities. HMH serves more than 50 million students and 4 million educators in 150 countries.

Ontology Engineer

EngineerEngineerFull TimeRemoteSeniorTeam 1,001-5,000H1B SponsorCompany SiteLinkedIn

Location

United States

Posted

6 days ago

Salary

$90K - $115K / year

Seniority

Senior

Postgraduate DegreeEnglishJavaPythonSQL

Job Description

Ontology Engineer

HMH

• Develops and maintains logical, semantically rich, and extensible ontologies that define and structure knowledge and underpin the K-12 education domain and HMH products. • Supports integration between the ontology management system and source data management repositories, including triple store development and investigation by writing SPARQL queries. • Ensures the accuracy and consistency of ontological structures by performing regular quality checks and updates as needed. • Collaborates with cross-functional teams to understand their information needs and provide ontological solutions. • Creates comprehensive documentation for ontologies and knowledge graphs.

Job Requirements

  • Advanced degree in philosophy, computer science, information science, or quantitative field, or equivalent experience.
  • Proficiency in ontology modeling languages such as RDF, OWL, or SHACL and vocabularies such as SKOS.
  • Familiarity with query languages like SQL and SPARQL or other property graph query languages like Gremlin, openCypher.
  • Experience with semantic data integration and using graph databases/triplestores.
  • Skilled in integrating multiple disparate data sets into a common vocabulary and writing effective queries for production environments.
  • Hands-on experience with high-level programming and scripting languages, such as Python, R, and Java.
  • Strong software engineering practices applied to semantic and analytics assets: git, pull requests/code review, test/validation practices.

Benefits

  • Health insurance
  • Professional development opportunities

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