2 days/week at home

Core hours 11–3

Dog friendly

Job Description

Job Description:

Working as a member of a the day's based operational development team, their primary role is to demonstrate ownership and responsibility for a set number of machines and processes of their operational area of the factory. Reporting to the Site Operations Manager, they will work closely with the Shift Operations Management Teams to identify areas of improvement based on their area's performance.

They will drive improvement plans by engaging with Shift Management Teams as well as working closely with the site's Reliability teams.

They will own 50% of the factory improvement programme working alongside another Operational Development Manager in a days based role. The roles are split by technology to drive specialists in each area. They will drive process confirmations, machine standards, AM implementation as well as working closely with the FI team to identify and execute top loss projects to improve their area's efficiencies (TRS/OEE) and reduce waste (Kg/Tonne).

This role also encompasses the role as acting as the Site Mars Supp

ly Excellent Lead, they will work closely with the Site Management Team to drive the MSE Pillars of M/PM/FI/SAFEY/QUALITY/LEADERSHIP. They will drive focus, rigor and consistency within their operational area.

What are we looking for?

  • Ideally have a degree in a Technical or Business Management discipline
  • Experience of leading TPM,WCM improvement programmes at site level
  • Fluent English verbal and written skills.
  • Experience in the FMCG / Factory Operations industry
  • Logical thinker who can develop and drive their improvement plans by engaging stakeholders
  • Aspirational operations professional who is wanting to progress into a Site Operations Manager


  • Salary £46-57k
  • Bonus 12%* / annum (* paid at 100% if business targets are met)
  • Gym on site
  • Engagement Initiative programs on site (e.g. Charity walks)
  • Dog Friendly Office

What will be your key responsibilities?

  • Execute Plan Do Check Act improvement plans for your area
  • Drive the Mars Supply Excellence programme in the Factory

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
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