2 days/week at home

Core hours 11–3

Dog friendly

Job Description

Job Description:

This role is a hybrid role based from our factory site in Leeds, UK. The role holder must attend the office minimum of 50% of working time.


The purpose of the job is to design and implement process technology solutions that will enable the delivery of our project pipeline for Pet Nutrition Europe, Dry / Care & Treats. The job holder will be accountable for medium to high-complexity projects aimed at renovating our existing product portfolio, new innovations, and ensuring that opportunities to optimize costs are identified and realised. The job holder will work closely with the R&D, Commercial, Supply, and Engineering functions at a global and regional level, on existing and new process technology platforms.

Whilst largely office-based, this role requires standing for extended periods of time during trials in labs or factories (eg 8 hours), movement up and down stairs within factories, heavy lifting (movement of trial materials, samples), and international travel to Mars sites and suppliers for trials and meetings.

What will be your key responsibilities?

  • Technical process design and development for a portfolio of medium to high-complexity projects

  • Optimization of existing processes to improve cost, quality, line performance, and sustainability, including the use of Six Sigma

  • Work seamlessly with cross-functional partners including global/regional R&D teams, Supply, Engineering and Commercial on the scoping, development and implementation of process technology solutions

  • Deliver successful product scale-up and industrialisation into Mars Petcare factories, including the relevant documentation and communication with stakeholders

  • Deliver robust process documentation including specifications, FMEA, and driving compliance with our process development roadmap

  • Consider Intellectual Property and food & people safety within developments

  • Lead process area of risk management and inform/influence the project team.

  • Build expertise in process development and science, ensuring knowledge is effectively captured and shared across regions and functions

  • Travel as required to continental Europe for trials and to meet suppliers

  • Travel as required to continental Europe for trials and to meet suppliers

What are we looking for?

Education & Professional Qualification

Degree (or equivalent experience) in a technical/scientific discipline (eg. chemistry, engineering, food science, etc)


  • Relevant experience in a technical field – ideally in areas such as process development, product development, food science, engineering, or another relevant technically related discipline.

  • Track record of leading the delivery of technical projects

  • (desirable) Professional knowledge of process development in a relevant field.

  • Excellent interpersonal skills, e.g. communication, relations building, and networking skills

  • Computer proficiency in MS Office applications

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 a company bonus.




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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