Mars UK • United States of America

Project Manager (Planning, Resourcing and Effectiveness)

Employment type:  Full time

1–2 days/week at home

Core hours 11–3

Dog friendly

Job Description

Job Description:

As Mars continues to evolve its strategy to meet the demands of tomorrow, the Strategic Capabilities team (SCT) is a critical driver for accelerating associate growth and competencies for the business. This Planning, Resourcing and Effectiveness Manager role will oversee the SCT internal operations and budget, coordinate the execution of key SCT initiatives, and support the SCT team to provide world-class service to our customers.

The incumbent will engage across the SCT to ensure the relevant processes, methodologies and tools that are driving operational effectiveness in planning, tracking, measuring and reporting on SCT's most critical projects / activities are embedded. The Planning, Resourcing and Effectiveness Manager will also build and manage the overall resource allocation, ensuring that the SCT provides the needed resources to support the prioritized SCT and TCR initiatives.

Additionally, this role will partner closely with the MGS Learning team as required to support the overall success -of the Operating Model.

This role will be focused on ensuring seamless coordination, collaboration, communication, and management of key initiatives across the Strategic Capabilities team.

What are we looking for?

  • Bachelor’s degree (Master’s Preferred) in areas such as Human Resources, Operations, Business Management.

  • 8+ years in staffing management / resources allocation in consulting

  • Project management certification strongly referred (e.g., PMP, Lean Six Sigma, Agile)

  • Experience in large, complex organizations a plus

  • Experience as consultant is a plus
  • Proven track record in project and program management

  • Deep expertise in Project Management and Resourcing tools, methodologies and technology. Knowledgeable of industry leading vendors in these areas.

  • Strong analytical skills

  • Proven ability to coordinate and manage complex cross-business projects given multiple competing priorities or perspectives

  • Excellent interpersonal skills and ability to collaborate effectively in a team to build strong relationships with stakeholders at all levels

  • Experience preparing executive-level dashboards and reports

  • Strong professional presence with effective communication and presentation skill

What will be your key responsibilities?

  • Actively partnering across the Strategic Capabilities LT to provide resource allocation of the Strategic Partners and Accelerators pool and share key insights.

  • Having Responsibility for managing the resource allocation of the SC Partners and Accelerators (SCP&A) pool and staff the SC Planning and Building projects in line with the defined priorities, matching skills and availability of SCP&A's.

  • Define as needed and track best practice and success KPIs in partnership with MGSL for capability planning and building to ensure continued progress and to escalate any risks / concerns as necessary.

  • Partner with the Head of SC and the Change and Communications lead to plan key stakeholder engagements such as the SC & Learning Governance bodies and stakeholders.

  • KPI's / Performance Tracking of the SC Function
  • Lead the deployment process to launch new projects

  • Implements timeline mobilizing cross functional teams to define build, run, sunrise and expansion phases in project

  • Track and communicate key decisions points, issues, risk management and actions

  • Ensure alignment and connectivity of stakeholders throughout Global, Regional & Local departments

  • Ensure alignment among x-functional teams

  • Facilitate projects execution by ensuring good pace and connection, setting meetings, tracking actions and milestones, raising alerts and helping on escalation when needed

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
Most flexible Retail & Ecommerce companies

Most flexible Retail & Ecommerce companies

Industry awards 2022