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Mars UK • RCS-Royal Canin, Castle Cary, UK | United Kingdom

Supply Planning Manager

Employment type:  Full time
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Job Description

Job Description:

Job Opportunity: Supply Planning Manager

Location: Castle Cary (Preferred), Slough, Paddington, Waltham
Job Type: Permanent
Reports to: S&OP+ & Planning Lead

Travel: Castle Cary every 2 weeks (If not based locally) and Copenhagen once per quarter.

Are you ready to take ownership of supply planning and lead a dynamic team in a fast-paced environment? We are seeking a capable and confident Supply Planning Manager to join our team and drive operational excellence within our supply chain.

Key Responsibilities:

  • Lead, coach, and develop a high-performing team of 5 Supply Planners located across the UK and our Nordic hub in Copenhagen.
  • Own the Supply Plan: Take full ownership of the end-to-end supply plan for our 700+ products, managing the flow of finished goods from our European factories to ensure optimal availability for our customers.
  • Drive the S&OP+ Process: Facilitate the monthly Supply Review (SMR) as a key leader in our S&OP+ process. You will collaborate across functions to manage constraints, communicate risks, and ensure business alignment.
  • Build strong relationships with top customers and internal stakeholders, including Supply Chain Directors, Logistics Managers, Customer Service Managers, Sales Teams, and Marketing Teams.
  • Champion Improvement: Challenge the status quo by driving continuous improvement in our planning processes and systems, leveraging tools like FuturMaster and Power BI to make us more efficient and effective.

About you

  • An Experienced Leader: You have a proven track record of managing and developing a team within a fast-paced supply chain environment.
  • Proactive Problem-Solver: You are a creative and analytical thinker who can solve challenges and drive change.
  • Functional Expertise: You have deep functional knowledge of supply planning and are skilled at influencing cross-functional teams.
  • A Natural Collaborator: You are a team player with excellent communication skills, capable of building strong relationships.
  • Technical Skills: Experienced user of core Supply & Demand planning system e.g. (FuturMaster, SAP, OMP). Excellent Microsoft Office & Excel experience.
  • Education: Bachelor’s degree or equivalent qualification.
  • Mindset: Self-starter who can hit the ground running without extensive hand-holding.

What can you expect from Mars?

  • Work with 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 a company bonus.

Mars is committed to providing access, equal opportunity, and reasonable adjustments for individuals with disabilities, long-term health conditions, or who are neurodiverse during the application and recruitment process. To request reasonable adjustments, complete our Reasonable Adjustment Request Form here.

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Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
Sabbaticals
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
Shared parental leave
Adoption leave
Family health insurance
Pregnancy support
Neo-natal leave
Faith rooms
Meditation space
Dog friendly office
Dog friendly co-working space
Annual bonus
Employee discounts
Cinema discounts
Referral bonus
Joining bonus
Cycle to work scheme
Electric Car Salary Sacrifice
Enhanced pension match/contribution
Theme park discounts
Lunch and learns
In house training
Learning license
Studying sabbaticals
Open to part time work for some roles

Working at Mars UK

Company employees:

4,000 In the UK

Gender diversity (m:f):

57:43

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Flexa awards 2025
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1st – Large companies

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3rd – Large companies

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