Supply Planner

Mars; Numansdorp; On-site; EUR 60,000 - 80,000; Full time

Benefits offered by this job

Company bonus

Mars University

Job summary

Mars is seeking a Supply Planner to own the master production and inventory plan across products, balancing service levels, stock, and cost. You will coordinate with Markets, Factories, and Demand Planning to convert complexity into clear plans and ensure timely product availability.

You will leverage BY/JDA, SAP, Power BI and QlikView to model scenarios, drive improvements, and enable proactive risk management across the supply chain. Fluency in English is required.

Qualifications

• Bachelor's or Master's degree in a related field is required.
• Minimum 3 years' experience in supply chain planning or related areas.
• Strong analytical and problem-solving abilities with attention to detail.
• Experience in manufacturing or FMCG environments is preferred.
• Excellent communication and stakeholder management capabilities.
• Knowledge of planning systems (BY/JDA, SAP, Power BI, QlikView).
• Experience across Demand, Supply, and Logistics is a plus.
• Fluent in English, both written and spoken.

Responsibilities

• Own the master production and inventory plan for the portfolio.
• Balance service levels, freshness, stock, capacity and cost.
• Reconcile capacity with market demand across horizons.
• Create feasible weekly production plans supporting service levels.
• Build scenario plans to assess demand impact on service and cash.
• Drive roadmap for service and inventory performance.
• Identify opportunities to improve planning processes and performance.
• Act as liaison between Markets and Manufacturing sites for decision making.
• Resolve supply/demand balancing challenges and support launches.
• Identify risks early and develop mitigation in S&OP forums.
• Develop scenarios to evaluate volume opportunities and risks.
• Lead root cause analysis of service failures and implement actions.
• Monitor KPIs: service levels, inventory health, safety stock, line utilization.
• Drive improvements toward more automated planning processes.

Skills

Strong analytical skills

Stakeholder management

Fluent English

Education

Bachelor's or Master's degree in Supply Chain Management, Industrial Engineering, or related field

Tools

BY/JDA

SAP

Power BI

QlikView

MRP II

Job description

Job Description:

Segment: Food & Nutrition
Location: Oud-beijerland
Contract type: Full-time, permanent

Drive Supply, Deliver Service, Shape the Future

As a Supply Planner, you will play a critical role in ensuring our products reach customers efficiently, sustainably, and at the right time. You will be at the heart of our end-to-end supply chain, balancing customer demand, manufacturing capacity, inventory, and cost to deliver exceptional service while supporting business growth.

This is a highly visible role where you will collaborate with colleagues across Markets, Factories, Demand Planning, Logistics, and Manufacturing, helping to turn complexity into clear, actionable plans.

What will be your key responsibilities?

Own the Supply Plan

You will develop and maintain the master production and inventory plan for your portfolio, ensuring the right balance between customer service, product freshness, stock levels, capacity, and cost.

In this role, you will:

• Reconcile manufacturing capacity with market demand across short, mid, and long-term planning horizons.
• Create feasible weekly production plans that support agreed service levels.
• Build scenario plans to evaluate the impact of demand changes on service, inventory, and cash performance.
• Own and drive the roadmap for service and inventory performance within your assigned portfolio.
• Continuously identify opportunities to improve planning processes and supply chain performance.

Be the Connection Between Markets and Factories

As the central communication point, you will connect commercial and operational teams, ensuring informed decision-making and proactive risk management.

You will:

• Act as the key liaison between Markets and Manufacturing sites when demand or supply constraints arise.
• Resolve supply and demand balancing challenges and elevate critical decisions when needed.
• Support successful product launches and discontinuations in partnership with cross-functional teams.
• Identify supply risks early and ensure appropriate mitigation plans are discussed and executed through S&OE and S&OP forums.
• Build strong relationships across the supply chain network to enable collaboration and execution.

Provide Technical Planning Expertise

You will leverage data, systems, and analytical insights to drive smarter decisions and continuous improvement.

You will:

• Develop scenarios to evaluate volume opportunities and risks, making recommendations based on service, inventory, and financial impact.
• Lead root cause analysis of major service failures and ensure actions are implemented to prevent recurrence.
• Manage and optimize planning parameters, master data, and system performance.
• Monitor key KPIs such as service levels, inventory health, safety stock, and line utilization.
• Drive continuous improvements toward more automated and touchless planning processes.
• Use planning and reporting tools such as BY/JDA, SAP, Power BI, and QlikView to generate insights and support decision-making.

What are we looking for?

We are looking for a proactive planner who enjoys solving complex challenges, influencing stakeholders, and making data-driven decisions in a fast-paced manufacturing environment.

• Bachelor's or Master's degree in Supply Chain Management, Industrial Engineering, or a related field.
• Minimum 3 years of experience within Supply Chain Planning, Supply Planning, Demand Planning, Manufacturing Planning, or Logistics.
• Strong analytical and problem-solving skills with excellent attention to detail.
• Experience working in a manufacturing or FMCG environment.
• Understanding of production processes and the importance of delivering outstanding customer service.
• Strong communication and stakeholder management skills, with the ability to influence across functions and markets.
• Proven experience driving continuous improvement and delivering measurable business results.
• Solid knowledge of MRP II principles, Supply Planning processes, and planning systems such as BY/JDA, SAP, Power BI, and QlikView.
• Experience in other Supply Chain functions such as Demand Planning, Logistics, Activity Management, or Industrial Engineering is a plus.
• Fluent in English, both written and spoken.
  

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.
• A strong focus on 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.

What are you waiting for? Join us and help create the world we want tomorrow, today