Research Scientist – Knowledge & Semantics Location: Chelmsford (Hybrid – 2 days per week)
Salary: Up to £70,000 (depending on experience) + 10% bonus
A leading organisation in the defence and security space is seeking a highly motivated Research Scientist to lead work in knowledge and semantics. This role offers the opportunity to lead a specialist R&D team working at the intersection of machine learning, NLP, and graph technologies, contributing to real-world challenges across defence, security, and commercial sectors.
Key Responsibilities:
Lead a team of researchers and engineers across projects involving NLP, knowledge graphs, and LLM applications
Design and deliver research programmes, collaborating with universities and innovation partners
Develop prototypes, proof of concepts, and technical solutions in graph machine learning and semantic technologies
Secure funding through successful proposal writing and manage stakeholder engagement
Contribute to multi-disciplinary teams including work in reinforcement learning, computer vision, RF & EW, and sonar
Essential Skills & Experience:
PhD qualified with a minimum of 4 years’ postdoctoral or commercial research experience
Proven leadership of R&D teams (minimum of 5 developers)
Strong background in NLP, text mining, knowledge graphs, or graph ML
Proficient in Python, with experience using frameworks such as PyTorch or TensorFlow
Demonstrated ability to secure and deliver R&D funding
Desirable Skills:
Experience with graph ML libraries (e.g. PyTorch-Geometric, PyKeen), knowledge graph tools (e.g. Neo4j)
Familiarity with query languages like Cypher or SQL
Understanding of ontology design and semantic reasoning approaches
If you're driven by complex problems and cutting-edge technology, this is your opportunity to make a lasting contribution.