Semantic Data Engineer

Our company is seeking a lead semantic data engineer to architect, build, and scale enterprise-grade knowledge graph solutions that power advanced analytics and decision-making in pharmaceutical research. This role will lead the design of semantic data layers that integrate heterogeneous scientific datasets, enabling end-to-end traceability, cross-domain insights, and AI/ML-driven discovery. The ideal candidate will combine deep expertise in knowledge graphs, ontology engineering, and data engineering, with strong domain awareness in pharmaceutical R&D.

Amazon Web Services (AWS), Artificial Intelligence (AI), Atlassian JIRA, AWS CloudFormation, AWS Lambda, AWS Step Functions, Chemical Informatics, CI/CD, Collaboration, Communication, Data Engineering, Docker (Software), Extract Transform Load (ETL), Git, Graph Databases, Infrastructure As Code (IaC), Machine Learning (ML), Pharmaceutical Research, Python (Programming Language), Resource Description Framework (RDF), SPARQL, Structured Query Language (SQL), Terraform (Software), Web Containers

Current Employees apply HERE

Current Contingent Workers apply HERE

Search Firm Representatives Please Read Carefully

Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails.

Employee Status:

Regular

Relocation:

Domestic/International

VISA Sponsorship:

Yes

10%

Flexible Work Arrangements:

Hybrid

Shift:

Not Indicated

Valid Driving License:

No

Hazardous Material(s):

N/A

Job Posting End Date:

09/12/2026

(Please note, the primary posting location is Prague, Czechia - benefits in other locations may differ)

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The date shown below is the earliest possible closing date for this posting. However, we sometimes extend the job posting period as needed, so please feel free to apply anytime you see the «Apply» button available. You may also reach out to the recruiter directly via https://www.linkedin.com/in/badumtss/