Planning Manager

Trelleborg is a world leader in engineered polymer solutions for almost every industry on the planet. By specializing in the polymer engineering that makes innovation and application possible, Trelleborg works closely with leading industry brands to accelerate their performance and drive their business forward.

At Trelleborg Sealing Solutions in Rotherham, we combine global expertise with a collaborative local culture, delivering high-quality products that help our customers succeed. We are committed to continuous improvement, operational excellence and investing in our people, creating an environment where talented individuals can develop their careers while making a meaningful impact on business performance.

As our Planning Manager, you will play a pivotal role in aligning customer demand, manufacturing capability, material availability and inventory strategy to ensure operational success. You will have the opportunity to lead and develop the site's planning function, owning the end-to-end production planning process, including master scheduling, capacity planning and Sales & Operations Planning (S&OP). Working closely with Operations, Customer Service, Procurement, Sales and Finance teams, you will ensure customer commitments are met while optimising efficiency, inventory levels and resource utilisation.

Your responsibilities will include:

• Leading the development and execution of the site master production schedule.
• Translating customer demand into achievable manufacturing plans.
• Managing production schedules to align with labour, machinery and material availability.
• Driving improvements in schedule adherence, planning accuracy and operational performance.
• Supporting and coordinating the site's S&OP process, balancing demand and capacity.
• Conducting short, medium and long-term capacity planning and identifying potential constraints.
• Working closely with Procurement to ensure material availability and minimise supply risks.
• Driving customer on-time delivery (OTD) performance and managing critical priorities.
• Maintaining planning master data and improving ERP, MRP and reporting systems.
• Leading continuous improvement, digitalisation and automation initiatives across planning and supply chain processes.
• Managing, coaching and developing the Planning Team to achieve high performance and engagement.

This role is critical to supporting the site's growth ambitions through improved planning capability, customer service and operational efficiency.

We are looking for a proactive and commercially aware planning professional who combines strong analytical capability with inspirational leadership skills.

Essential Requirements:

• Degree qualified in Supply Chain, Manufacturing, Operations Management, Business, Engineering or equivalent practical experience.
• Minimum of 5 years' experience within a manufacturing planning environment.
• Proven experience leading planning, scheduling or supply chain activities.
• Strong knowledge of Sales & Operations Planning (S&OP), Production Planning, Capacity Planning, Inventory Management, MRP/ERP systems, Manufacturing operations.
• Excellent communication and stakeholder management skills.
• Strong analytical, organisational and problem-solving abilities.
• Advanced Microsoft Excel skills.
• Ability to influence decision-making and manage competing priorities within a fast-paced environment.

Desirable Requirements:

• Previous people management or leadership experience.
• APICS/ASCM CPIM, CSCP or equivalent professional qualification.
• SAP experience.
• Experience within aerospace, engineering or advanced manufacturing sectors.
• A-Level qualification or equivalent industry background.

You will be someone who demonstrates accountability and strong leadership, thinks strategically while delivering operational results, builds trust and credibility across multiple functions, thrives in a collaborative environment, maintains a continuous improvement mindset, and is resilient, adaptable and solutions-focused.

The closing date for applications is 4th September 2026. Following the closing date, shortlisted candidates will be contacted by our recruitment team. The selection process is expected to include an initial interview, followed by a final-stage interview with key stakeholders from the business.

Are you the one we're looking for? Apply now by clicking the Apply button and take the next step in your career with Trelleborg. Don't delay. We're looking to appoint the right candidate as soon as possible. Trelleborg is an equal opportunities employer. We value diversity and are committed to creating an inclusive environment for all employees.