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Mars UK • Slough, Berkshire, United Kingdom

Senior Packaging Engineer - 12 Months Fixed Term Contract

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9.2

/10

Transparency ranking

Job Description

Job Description:

Senior Packaging Development Engineer - Global

​12 Months Fixed Term Contract

Location: Slough + Hybrid Working

Salary: £58,000- £61,000+ Bonus + Benefits

Join our Global Packaging team as a Senior Engineer, responsible for designing and developing innovative and sustainable packaging solutions for the Mars Snacking portfolio. You'll collaborate with cross-functional teams to take packaging concepts from ideation to finished goods, driving innovation and accelerating growth. You will have the ability to work independently, lead teams, and deliver global projects that drive product quality, efficiency, and consumer safety. If you’re passionate about packaging innovation and sustainability, and can drive impactful results, this role is for you.

What are we looking for?

  • Experience in working in packaging development engineering, including 1st wraps and overwraps, cartons, and cases.
  • Experience of working in cross functional teams.
  • Able to be flexible and agile to changing business priorities
  • Able to set priorities and demonstrate project management skills.
  • Ideally experience in working with model and simulations.

What will be your key responsibilities?

  • Design, develop, and translate innovative packaging concepts, ensuring alignment with global consumer insights, business strategy, and quality standards.
  • Lead and execute packaging development programs, bringing projects to commercialization while meeting timelines and cost objectives.
  • Create packaging specifications to meet brand Key Quality Attributes (KQAs) and ensure risk management, customer, and supply chain requirements are met.
  • Collaborate with cross-functional teams and global/regional packaging teams to deliver innovative solutions and develop required technologies.
  • Manage high-profile projects, drive consumer research, and identify opportunities for cost savings, quality improvements, and new packaging ideas.
  • In the first 3 months you will start to understand the business/stakeholders/projects etc. In 6 months, you will be supporting the projects and helping move them along.

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 company bonus.
  • Access Rover, Mars UK’s new hub for Rewards, Offers, Vouchers, and Recognition, featuring cashback, exclusive deals, shopping discounts, and a recognition wall to celebrate colleagues' achievements.

Mars is committed to providing access, equal opportunity, and reasonable adjustments for individuals with disabilities, long term health conditions or are neurodiverse during the application and recruitment process. To request reasonable adjustments, complete our Reasonable Adjustment Request Form here

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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
Sabbaticals
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
Shared parental leave
Adoption leave
Family health insurance
Pregnancy support
Neo-natal leave
Faith rooms
Meditation space
Dog friendly office
Dog friendly co-working space
Annual bonus
Employee discounts
Cinema discounts
Referral bonus
Joining bonus
Cycle to work scheme
Electric Car Salary Sacrifice
Enhanced pension match/contribution
Theme park discounts
Lunch and learns
In house training
LinkedIn learning license
Studying sabbaticals
Open to part time work for some roles

Working at Mars UK

Company employees

4,000 In the UK

Gender diversity (male:female)

57:43

Currently Hiring Countries

Denmark

France

Poland

United Kingdom

United States

Office Locations

Awards & Achievements

1st – Family Friendly

1st – Family Friendly

Flexa awards 2025
2nd – Pet Friendly

2nd – Pet Friendly

Flexa awards 2025
Flexible

Flexible

Flexa awards 2025
Diversity and Inclusion

Diversity and Inclusion

Flexa awards 2025
Work-Life Balance

Work-Life Balance

Flexa awards 2025
Career Progression

Career Progression

Flexa awards 2025
Culture

Culture

Flexa awards 2025
Benefits

Benefits

Flexa awards 2025
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