Mars UK • Slough, Berkshire, United Kingdom

Engineer Process Development - FMCG

1–2 days/week at home

Core hours 11–3

Dog friendly

Job Description

Job Description:

Salary: Circa £39,400 - £49,200 + Bonus + Benefits

The Engineer Process Development is an important role within Mars Wrigley R&D. This role is part of the Global Process Development and Deployment team and responsible for the development, design, and deployment of new processes to support global Innovation, Freedom to Operate, and Sustainability programs as well as complex regional projects requiring process development expertise. This role is part of a team that provides deep technical process understanding and works with cross-functional teams to develop process insights to drive innovation.

The successful candidate will work with the global R&D teams, Engineering, Operations, Commercial and Regional teams to develop processes from concept to finished process specifications. The Engineer Process Development will input into the manufacturing process for all projects within the allocated scope, including existing processes and the development of the detailed process specification of any new process for current, new factories and co-manufacturers.

What are we looking for?

  • Bachelor of Science or degree equivalent in engineering, chemical engineering or a technical area including chemistry, or food science

  • Proven Project management skills in leading NPD projects as a technical member on a cross-functional team

  • Hands on experience in the development and successful launch of new products, packages and processes

  • Strong influencing Skills

  • Experience working in factories, Lab or pilot plants

  • Excellent communication skills and learning agility

  • Proven track record of managing complex projects with cross functional teams

What will be your key responsibilities?

  • Responsible for delivering process development activities

  • Accountable for the execution of allocated programs to bring project through to commercialisation

  • Maintains and implements Global Process Standards

  • Ensures that the process development elements deliver against DFVS

  • Supporting Global Factory Innovation and Engineering in implementing, Innovating, and optimising current and future assets

  • Ensures that the process development process is carried out such that timelines are met to market products

  • Ensures that the process specifications are as accurate as possible to ensure correct costing

  • Ensures that Process quality and Manufacturing quality performance measures standards and corrective actions are specified for each new and current process to ensure performance at the required level for all manufactured products

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.


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

We asked employees of Mars UK how satisfied they were with flexible working, and this is what they told us

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

Flexa100 2024

1st – Large companies

Industry awards 2023

Consumer Goods

Flexa100 2023

3rd – Large companies

Industry awards 2022

Retail & Ecommerce