2 days/week at home

Core hours 11–3

Dog friendly

Job Description

Job Description:

Reliability Engineer - day shift

(Flexible to hours 8am - 4pm/7am - 3pm/ 6am - 2pm)


£29,000 - £33,000 plus benefits

We’re looking for a Reliability Engineer who will be responsible for an area of the factory. The role will consist primarily of breakdown assessments, long term strategy and planned maintenance of your area of responsibility as well as the reliability of the site.

What are we looking for?

  • Engineering apprenticeship or recognised equivalent
  • Ideally, you’ll have 1-3 years experience in Fast Moving Consumer Goods Manufacturing in Technical Department
  • Basic experience of coordinating the work of others (4 to 6 months)

What will be your key responsibilities?

  • In charge of factory Preventive Maintenance Program for all machines, in part of Mechanical system, both in Maintenance Planning and Work Instruction to maintain machine reliability.
  • Lead in Mechanical system Preventive Maintenance Program execution to ensure the effectiveness of program activities.
  • Lead improvement program to ensure the system sustainable and increase machine efficiency.
  • Lead root cause analysis related to % of factory machine downtime to build effectiveness of reliability by using PDCA technique and using reliability measurement (MTTR, MTBF).
  • Modify the Mechanical system to support CI improvement related to increase production efficiency (TRS).
  • Manage contractor when 3rd party is required to execute maintenance work to ensure that their work meet with MARS quality and safety standard.

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