Packaging Designer

We are seeking a Packaging Technologist to support two key initiatives at Mars Snacking:

Firstly Kellanova/Mars Snacking is investing £75 million into its Wrexham cereal plant, transforming it into Europe’s largest cereal manufacturing site. We’re seeking a Packaging Technologist to join our project delivery team, playing a key role in this exciting expansion.

In this role, you’ll support the commissioning and start-up of new packaging production lines at our Wrexham factory. Responsibilities include defining packaging specifications, assessing proposed equipment, supporting acceptance tests, conducting factory trials, and overseeing the commissioning and qualification of packaging on both new and existing lines. The position is primarily based at Wrexham, with some flexibility for remote work depending on project needs.

Following the completion of this work the next challenge will be to ensure compliance to future Packaging requirements driven by the EU Packaging and Packaging Waste Regulations.  In this role you will help support work streams from idea through to execution tackling challenges across our Snacks and Cereal portfolios.

A Taste of What You’ll Be Doing

• Packaging Development & Compliance – Drive packaging development projects, provide factory support, and ensure all packaging meets food safety and quality standards.


• Plant Trials – Plan, organise, and lead plant trials, testing, and support the commissioning of new packaging equipment.


• Data Analysis – Analyse trial data, apply statistical methods, and ensure testing, OEE, and approval processes are followed.


• Reporting – Communicate findings, highlight risks, propose solutions, and keep project teams updated.


• Project Management – Manage timelines, escalate challenges, and maintain accurate product specifications.


• Project Delivery – Ensure projects are delivered on time and within budget, with a smooth handover to plant teams.

We’re Looking for Someone With

• Proven experience in Packaging Development or a related role.


• Strong understanding of packing line equipment, machinery commissioning, line performance, and packaging standards.


• Knowledge of packaging components, materials, and manufacturing processes, including how these impact physical and barrier properties.


• Experience in organising and leading packaging trials to validate solutions.


• Ability to analyse data using statistical methods and make informed recommendations.


• Demonstrated troubleshooting and problem-solving skills.


• Understanding of the impact of PPWR on packaging components and struc

What’s Next

After you apply, your application will be reviewed by a real recruiter, so it may take us a few weeks to get back with you by email or phone. Visit our How We Hire page to get insights into our hiring process and more about what we offer.

 Need assistance throughout the application or hiring process? Email [email protected]

If you join our team, you’ll be rewarded for the difference you make. Our comprehensive benefits offer you the support you need through your life events, big or small. Visit our benefits page & be sure to ask your recruiter for more specific information.

What’s Next

After you apply, your application will be reviewed by a real recruiter, so it may take us a few weeks to get back with you by email or phone. Visit our How We Hire page to get insights into our hiring process and more about what we offer.

Need assistance throughout the application or hiring process?

Email [email protected].

If you join our team, you’ll be rewarded for the difference you make. Our comprehensive benefits offer you the support you need through your life events, big or small. Visit our benefits page & be sure to ask your recruiter for more specific information.

Get to Know Us

At Kellanova, we are driven by our vision to be the world’s best-performing snacks-led powerhouse, unleashing the full potential of our differentiated brands and our passionate people. Our portfolio of iconic, world-class brands includes Pringles, Cheez-It, Pop-Tarts, MorningStar Farms, Special K, Krave, Zucaritas, Tresor, Crunchy Nut, among others.

Kellanova’s Culture of Best means we bring our best to all that we do in pursuit of our vision to be the world’s best performing snacks-led powerhouse. Our culture celebrates boldness and empowers our people to challenge the status quo, achieve results, and win together.

Our focus on Equity, Diversity, and Inclusion (ED&I) enables us to build a culture of belonging where all employees have a place at the table and are inspired to share their passion, talents, and ideas to work.

Mars has agreed to acquire Kellanova in a combination that will shape the future of snacking! The transaction is anticipated to close within the first half of 2025 (subject to Kellanova shareowner approval and other customary closing conditions, including regulatory approvals). The companies remain separate until closing.

You can learn more at www.futureofsnacking.com, and our hiring teams will be happy to discuss further questions if your application advances in the hiring process.

Let’s shape the future of snacking.

Kellanova is an Equal Opportunity Employer that strives to provide an inclusive work environment, a seat for everyone at the table, and embraces the diverse talent of its people. All qualified applicants will receive consideration for employment without regard to race, color, ethnicity, disability, religion, national origin, gender, gender identity, gender expression, marital status, sexual orientation, age, protected veteran status