2 days/week at home

Core hours 11–3

Dog friendly

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Job Description

Job Description:

We're hiring a Firewall Engineer to support the Security Engineering function within the Information Security Organisation. This role is necessary to contribute to strategy and assist cross functional teams to develop network technical controls to protect Mars information assets.

Broad knowledge of vendor landscape and capabilities. Technical expertise in network and security technologies and deep knowledge of Mars platforms. Strong internal relationships including platform ownership. Leverage project management Skills to deliver new technologies.

What are we looking for?

  • Hands on experience implementing IT technologies, significant experience with security infrastructure technologies, Networking technologies, Factory/ICS platforms
  • Demonstrated competency in a technical IT organization & role
  • Demonstrable experience of planning, managing and delivering projects
  • Demonstrable experience of working within a structured Project environment
  • Demonstrable understanding of business process and change management
  • Strong proficiency in MS Office (Project, Excel, Word, PowerPoint)

What will be your key responsibilities?

  • Contribute to global strategic roadmaps for focus areas within security technology
  • Contribute to security standards, ensure global acceptance and adherence
  • Contribute to architecture and designs for global security technology
  • Drive implementation of major security technologies for Mars, Incorporated
  • Tier 3 support role for incidents related to deployed security technologies
  • Firewall experience, Firemon experience, technical network experience
  • Experiences validating and implementing security exceptions to Firewall’s
  • Trusted expert on how to best use security to deploy business enabling solutions
  • Excellent written and verbal communication skills
  • Excellent facilitation, collaboration, negotiation, and presentation skills
  • Focused and versatile team player who is comfortable under pressure, ambiguity, frequent change, or unpredictability
  • Build positive working relationships with project leads and team members
  • Coordinate critical meetings, workshops and other events as required

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

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