Job Description: Job Opportunity: Packaging Developer Location: Birstall, West Yorkshire (Hybrid) Job Type: Permanent Salary: £40,000 - £50,000 (DOE) Bonus Benefits We are looking for a Packaging Developer to join our Pet Nutrition Europe R&D team, supporting the Dry and Care & Treats portfolio. In this role, you will deliver end-to-end packaging development projects, from concept through to factory implementation across our manufacturing network. You will also play a key role in maintaining high-quality packaging data, ensuring compliance with regulatory reporting requirements and supporting the development of systems and tools that enhance packaging data and specifications Key Responsibilities Lead the technical design and development of packaging for medium-complexity projects, including innovation, renovation, and cost-saving initiatives. Optimise existing packaging to improve cost, quality, and manufacturing performance. Manage and deliver successful line trials in factories, with full documentation and results analysis. Ensure packaging systems and specifications are fit for purpose and accurately maintained. Monitor and maintain high-quality packaging data, resolving queries linked to compliance and reporting Contribute to the design and implementation of new systems and tools for packaging teams. Manage packaging specifications and ensure projects are delivered on time and within budget. Understand channel-specific requirements and shopper impact across grocery, pet specialist, discounters, and e-commerce About You We are looking for a technically strong and collaborative professional who thrives in a dynamic R&D environment: Degree in a technical discipline, ideally with a focus on packaging, or equivalent relevant industry experience Proven packaging development experience Strong knowledge of packaging materials, technologies, and testing methodologies. Excellent communication and stakeholder management skills, with the ability to collaborate cross-functionally. Comfortable using MS Office and learning new systems and digital tools A strong affinity for data and systems – you enjoy working with data, understand how to interpret and use it effectively, and recognise its importance in driving decisions, compliance, and business performance. Experience working with data quality, specifications systems, or digital tools, with high attention to detail and accuracy. Ability to translate data into insights, identify issues, and proactively resolve data-related challenges. What can you expect from Mars? Work with diverse and talented Associates, all guided by the Five Principles. Join a purpose-driven company, where we’re striving to build the world we want tomorrow, today. Best-in-class learning and development support from day one, including access to our in-house Mars University. An industry-competitive salary and benefits package, including a company bonus. Mars is committed to providing access, equal opportunity, and reasonable adjustments for individuals with disabilities, long-term health conditions, or who are neurodiverse during the application and recruitment process. To request reasonable adjustments, complete our Reasonable Adjustment Request Form here. LI-KO1