Mars UK • Slough, Berkshire, United Kingdom

Packaging Development Engineer - Ice Cream

1–2 days/week at home

Core hours 11–3

Dog friendly

Job Description

Job Description:

We have exciting opportunities for both recent graduate and experienced packaging developers/engineers to join our Slough hub site as an associate Packaging Development Engineer. The purpose of this role is to develop and deploy packaging initiatives that support core brand growth, efficiency, and innovation for Ice Cream Mars Wrigley.

At Mars, we recognise that hybrid working unlocks productivity and performance for our Associates and our business. For this role, we expect that the successful candidate will need to travel into our Slough hub site at least weekly.

What are we looking for?

  • A degree in science or equivalent technical area e.g. Packaging, Engineering or Design or experience within a similar role.
  • Experience of working on packaging projects would be beneficial.
  • Ability to work effectively in cross functional teams and with external suppliers.
  • An understanding of manufacturing/production machinery or processes would be helpful.
  • French speaking is desirable, but not essential.

You might be a recent graduate looking for your first role in packaging, or you might hold some experience of packaging projects which you’re looking to develop further in a supportive team. If you hold any of the above skills and experience, we would love to hear from you.

What will be your key responsibilities?

  • Develop pack structures for new product and formats (flexibles and paper), adapt pack to ensure that all packs run efficiently and meet required semi-finished and finished product specifications, quality standards and efficiency targets.
  • Utilise best practice packaging experience to deploy validated packaging formats across the network with minimal disruption to operations and minimal expense costs to the business.
  • Initiate and support line trials at appropriate supply locations to confirm that quality attributes and performance metrics are achieved.
  • Coordinate creation of high-quality prototypes to gauge consumer desirability, influence teams and support customer collaboration.

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.

Salary from £35,000 plus annual bonus and excellent benefits

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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