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Job Title: Senior Packaging Technologist – Material Development & Validation  Salary: Competitive plus excellent benefits Location: Hybrid working 2-3 days per week from any of our HUBS (Cumbernauld, Bolton, Milton Keynes, London) Are you ready to Be Your Best Barr None?  Lets Grow!!! We are all about Being Your Best Barr None and having a career with real Moments that Matter! Employing around 850 people across the UK, we are proud to be a responsible business that takes care of our people, values diversity, gives something back to our communities and works to minimise our environmental impact. For 150 years AG Barr has been building great brands and is home to some of the nations favourite flavours. At our core is  IRN-BRU, launched in 1901 and still going strong today, the vibrant RUBICON fruit based brand, Boost making every moment better with a caffeine kick, hydration hit or tasty treat, and FUNKIN where real fruit means authentic taste. We also have a number of exciting owned brands within our portfolio including MOMA, which crafts quality oats into great tasting oat drinks and porridges. There's never been a better time to join us! What we’re looking for... We are looking for a Senior Packaging Technologist to join our R&D function and specialise in delivering Material Development & Validation activity. Reporting to the R&D Packaging Manager, this role is the technical bridge between packaging concept and commercial reality. You will lead the technical profiling of materials, the industrialisation of new components, and the rigorous validation of packaging formats across our supply chain. From the technical qualification of advanced polymer resins to the structural optimisation of primary containers and the integration of novel secondary packaging formats, you will ensure our packaging architecture is robust, technically sound, and perfectly calibrated for our high-speed manufacturing assets. Your responsibilities will include... Acting as the lead technical authority for the material integrity and functional performance of primary, secondary, and tertiary packaging components. Designing and executing comprehensive technical validation programmes and factory trials to ensure new formats—such as new container shapes, enhanced closure systems, or alternative collation materials—perform flawlessly on-line. Leading material science workstreams, including the profiling and qualification of new resins and recycled material blends to ensure carbonation retention and structural performance. Collaborating with Procurement and Production teams to identify and validate supply chain optimisations, including lightweighting initiatives and material efficiency projects. Owning the technical specifications for all packaging materials, ensuring they meet AG Barr’s rigorous quality standards and comply with evolving environmental and packaging legislation. Providing technical governance within our Stage & Gate process, managing risk and feasibility from a material and manufacturing perspective. What you’ll bring... The successful candidate will have; Education to degree level or equivalent, in Packaging, Science or Engineering with significant post-graduate experience in a technical packaging role within an FMCG business. Proven expertise in technical validation and material profiling across multiple formats, encompassing polymer performance (PET/rPET) and injection/stretch blow moulding, as well as aluminium cans, glass, and carton packaging (e.g., Tetra Pak). Experience in leading complex factory trials and bridging the gap between R&D specifications and high-speed operational reality. A sound knowledge of packaging material manufacture, liquid filling technologies, bottle labelling, multipacking and palletisation within the drinks industry. Knowledge and operation of GFSI, BRC, HACCP and other quality management systems is essent