Join a world-class scientific team - We're looking for a highly experienced and passionate Toxicologist to step into a pivotal Principal Scientist role within a dynamic organisation. Based primarily in Dundee - with hybrid flexibility - this role offers the chance to lead, influence, and deliver scientific excellence in toxicology across a range of Pharma and non-Pharma projects. What You’ll Be Doing: As a Principal Scientist, you will: Provide strategic leadership across toxicology services to support client drug discovery and regulatory safety testing. Lead and deliver client-facing projects, promoting growth, efficiency, and innovation across the business. Support the development and execution of toxicology studies aligned with OECD guidelines and regulatory standards (ECHA, REACH, EPA). Act as Project Manager, Study Director, or Principal Investigator on regulated studies where applicable. Collaborate with multidisciplinary teams across the sites to deliver high-quality scientific services. Skills and Experience: We’re looking for someone who brings both scientific depth and strategic oversight. You’ll need: A degree in a relevant discipline eg. biomedical sciences, or substantial relevant industry experience. A PhD or equivalent postgraduate experience in Toxicology (drug discovery or product safety – agrochemicals, chemicals, cosmetics, or food). In-depth knowledge of regulatory frameworks (OECD, ECHA, REACH, EPA) and adverse outcome pathways. Experience in a CRO, academic, biotech, or pharma environment. Proven leadership as a Project Manager, Study Director or PI. GxP experience is preferred. A credible and enthusiastic approach to building relationships and driving scientific success. Additional: Location: Dundee DD1 5JJ (Hybrid remote with on-site work as required) Schedule: Monday to Friday Eligibility: You must have the right to work in the UK Relocation: Must be able to reliably commute or relocate prior to starting