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Junior Packaging Engineer

Job in Slough, Berkshire, SL1, England, UK
Listing for: Mars, Incorporated and its Affiliates
Full Time position
Listed on 2026-01-14
Job specializations:
  • Engineering
    Packaging Engineer, Manufacturing Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Job Description:

There is an exciting opportunity to join the Mars Wrigley European R&D Packaging Development Team as a Junior Packaging Engineer
. The purpose of this role is to develop and deploy packaging initiatives that support core brand growth, efficiency, innovation, and supply security. You will also work with the rest of the Packaging team to deliver the packaging solutions to achieve Mars’ ambitious sustainability goals.

Location: Slough, UK, hybrid type (50% min on-site)

Salary: £35,500 - 40,000, annual bonus, benefits

What are we looking for?
  • Degree level qualification in a relevant technical discipline (Packaging, Engineering, Chemistry, Food Science); OR relevant prior technical experience;
    Packaging diploma/degree desirable but not essential
  • Proven experience of at least a couple of consistent years working on packaging projects
  • Ability to work effectively in cross-functional teams and with external suppliers
What will be your key responsibilities?
  • Owns the technical packaging development for a variety of projects across the portfolio (Chocolate, Gum, or Fruity Confections). These projects will 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 KQAs 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 a small portfolio of projects simultaneously.
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
.

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