Senior Data Scientist- Oncology

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and Med Tech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity.

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Data Analytics & Computational Sciences

Data Science

Scientific/Technology

• Cambridge, Massachusetts, United States of America
• Raritan, New Jersey, United States of America
• San Diego, California, United States of America
• Spring House, Pennsylvania, United States of America
• Titusville, New Jersey, United States of America

Our expertise in Innovative Medicine is informed and inspired by patients, whose insights fuel our science‑based advancements. Visionaries like you work on teams that save lives by developing the medicines of tomorrow.

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Johnson & Johnson Innovative Medicine is recruiting for a Senior Data Scientist
- Oncology to join our Data Science and Digital Health team (DSDH). This position will be located at one of our offices in either Spring House PA (preferred), Cambridge MA, or San Diego CA (La Jolla area). Consideration may be given for our Titusville and Raritan, NJ locations.

The Senior Data Scientist
- Oncology will design, build, and govern the semantic backbone that connects data across pharmaceutical life cycle. In this role, you will translate business concepts into well‑formed ontologies, controlled vocabularies, and semantic standards that power interoperability, search and discovery, analytics, and AI/ML. The role combines hands‑on ontology engineering with product thinking, partnering closely with governance, knowledge management, and domain stakeholders. The Senior Data Scientist is a leading technical contributor and creative problem solver with a strong background in semantic technologies, ontology, graph‑based data modeling, and a deep understanding of the life sciences domain.

• For Oncology R&D data domains, model, code, test, and release ontology modules and mappings that power knowledge graph, master/reference data, analytics, and AI/LLM applications.
• Translate domain knowledge from Oncology & subject‑matter experts in related disciplines into OWL/RDF classes and properties, SKOS vocabularies, and SHACL constraints, and publish validated, versioned packages and APIs for broad reuse.
• Participate in a wider community of scientists standardizing biomedical data across R&D aimed at increasing AI Readiness of a broad range of data domains.
• Maintain accountability for selected Oncology R&D ontology roadmap for key domains – define scope, use cases, and success metrics; align with internal canonical models and relevant W3C/domain standards.
• Model and govern the ontology using (OWL, RDFS, SKOS, SHACL); capture provenance and maintain SPARQL queries with validation.
• Adhere to standards—modeling guidelines, naming/versioning, change control, releases/deprecations—and partner with enterprise governance/tooling teams to embed reusable patterns for product teams and consumers. Play a role in developing these standards as appropriate.
• Implement data quality checks (coverage, conformance, unit/) and contribute to validation reports.

• Desired Ph.D. or master’s degree in bioengineering, computer science, IT, bioinformatics, physics, mathematics, or related fields, emphasis on semantic technologies and biomedical application.
• 3-5…