Job Description: We are seeking a Senior Scientific & Regulatory Affairs Manager to join Mars and represent the companys voice on scientific, regulatory, and public policy matters relevant to the UK and Irish markets. This is a senior, individual contributor role centered on horizon scanning, shaping internal positions, and influencing external policy. The role requires an experienced professional with proven expertise in advocacy, trade association participation, and strategic engagement with regulators and stakeholders. You will help craft and articulate regulatory and scientific opinions for Mars on ingredients, nutrition policies, product governance, and claims. You will lead our participation in local industry forums and trade associations. This position is hybrid , with approximately two days per week based at our Slough site. Salary from £68,000, plus car allowance £7,500 and ~20% annual bonus. What will be your key responsibilities? Lead the external regulatory and scientific advocacy strategy for Mars in the UK & Ireland, ensuring Mars positions are clearly defined, aligned internally, and effectively communicated externally.