2 days/week at home

Core hours 11–3

Dog friendly

Job Description

Job Description:

This role is necessary to support the growth and operations of our cybersecurity operations team. This is a global role and the regional point of contact for directory services. This role requires deep subject matter expertise and is responsible for supporting our governance and security hardening efforts.

What are we looking for?

  • Expert level understanding of Active Directory Domain Services and related/underlying technologies (Group Policy, Lightweight Directory Services, AD Schema, Certificate Services, etc)
  • Expert Level understanding of Active Directory deployment design (Sites and Services, Active Directory Replication, Domains and Trusts)
  • Expert level understanding of DNS, DHCP, LDAP
  • Strong Experience in Active Directory Security Hardening
  • Experience in Active Directory Health Monitoring
  • Experience in Active Directory disaster recovery planning and execution
  • Understanding of Microsoft’s RAMP and legacy Tier Access models
  • Strong proficiency in PowerShell scripting
  • Functional understanding of cybersecurity kill chain
  • Knowledge of Quest Software Solutions (Change Auditor, Active Roles, GPO Admin, RMAD) a plus

What will be your key responsibilities?

  • Regional SPOC for the technology stack and tier 3 technical support escalation point for both corporate and industrial control Active Directories
  • Contribute to Active Directory capacity planning, metrics, reporting, domain controller placement
  • Contribute to PKI capacity planning, reporting, certificate template usage, design
  • Contribute to Cybersecurity Operations roadmap
  • Cybersecurity Operations and Directory services advocate for the region
  • Primary resource for CIP activities including both technical and governance capabilities
  • Remediate insecure findings within Active Directory
  • Plan and execute changes for CIP and operational issues
  • Ensure monitoring and alerting is active for all Active Directory Systems
  • Participate in generating documents improving operational security and governance

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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