2 days/week at home

Core hours 11–3

Dog friendly

Job Description

Job Description:

Senior Packaging Engineer

Hybrid working – Slough

Salary from £55,000 plus annual bonus and amazing benefits

As a Packaging Engineer at Mars, you will be responsible for delivering new packaging design and development projects, from concept through to implementation in our factory network and beyond. In addition, you will be working on projects aimed at improving the design and performance of our existing packaging portfolio, and to ensure that opportunities to optimise costs and sustainability performance are incorporated.

You will be working cross-functionally within project teams and as part of a vibrant Regional Packaging team with great personal development opportunities too.

What are we looking for?

  • Degree level qualification in a relevant technical discipline (Packaging, Engineering sciences etc); OR relevant prior technical experience; Packaging diploma/degree desirable but not essential

  • Demonstrated knowledge of packaging materials, including flexibles, rigid plastic, cartons, and cases

  • Understanding of packaging sciences, packaging development, packaging legislation, food processing and production.

  • Demonstrable experience in leading category wide projects in an FMCG environment, demonstrating project management skills, risk management, prioritization and managing a diverse group of stakeholders.

  • Experience working with outside vendors to deliver project requirements.

  • Collaboration skills with different cultures.

  • Experience working within Flexible teams, Agile ways of working, and Design Thinking approaches.

What will be your key responsibilities?

  • Owns the technical packaging design and development for a variety of projects (of increasing complexity) with a focus on one or more product categories (Gum, Fruit Snacks, Chocolate, and Ice Cream) to support growth, value leadership, supply security or sustainability.

  • Creating packaging prototypes and ensuring successful line trials at Mars, co-packer and co-manufacturing sites, ensuring the relevant documentation is produced and results are accurately recorded

  • Creating packaging designs and specifications that deliver the desirable KQA’s via robust risk management and the delivery of shopper, customer and supply chain requirements

  • Working with cross-functional teams to deliver Desirable, Viable, Feasible and Sustainable innovation, leading projects of different levels of complexity at the same time,

  • Works with Regional and Global product development teams in building and delivering the innovation pipelines

  • Working with the Global or Regional Supply teams to develop and deliver existing or new technology to deliver Innovation and Value Leadership

  • Proactively manages Intellectual Property risks & opportunities

What can you expect from Mars?

  • Work with over 130,000 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 company bonus.

  • An opportunity to lead Sustainable change as we transform our portfolio for the future.

Mars is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. If you need assistance or an accommodation during the application process because of a disability, it is available upon request. The company is pleased to provide such assistance, and no applicant will be penalized as a result of such a request.

Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
Enhanced maternity leave – 26 weeks at 90% pay
Enhanced paternity leave – 26 weeks at 90% pay
24 days annual leave + bank holidays
“Pawternity” leave
Pregnancy loss leave
Bank holiday swaps
Employees are very happy with their working location freedom
Employees are very happy with the flexibility in the hours they work
Employees are very happy with the benefits their company offers
Work-life balance
Employees feel that they can switch off quite easily from work
Role modelling
Employees feel that flexible working is part of the culture
Employees feel they have complete autonomy over getting their work done

Additional employee ratings
(these do not contribute to the FlexScore®)

Employees feel that the diversity is good and there are continued efforts to improve it
Employees feel that the culture supports equity and inclusivity well
Employees feel like it is a really great environment to work in
Employees feel very excited about and aligned with the company mission
Employees feel that their salary is good and matches the value they bring

Working at Mars UK

Company employees

4,000 In the UK

Gender diversity (male:female)


Office locations

London, Slough, Waltham, Castle Cary, Birstall, Plymouth

Hiring Countries




United Kingdom

United States

Awards & Achievements

1st – Large companies

1st – Large companies

Flexa100 2024
Consumer Goods

Consumer Goods

Industry awards 2023
3rd – Large companies

3rd – Large companies

Flexa100 2023
Retail & Ecommerce

Retail & Ecommerce

Industry awards 2022

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