Conversion Manager

Smurfit Westrock GmbHWeston-super-Marereedpublished 10/22/2026
Must-have:KanbanLead

About the company

Join Our Team at Smurfit Westrock!

Are you searching for a workplace that values you and your growth? At Smurfit Westrock, we’re committed to sustainability, employee well-being, and personal development.

We are a global leader in sustainable paper and packaging. Our focus is on the health and safety of our employees, the well-being of our communities, and delivering exceptional service to our customers. We support our team members to reach their full potential in an inclusive environment that values diversity.

Your tasks

As Conversion Manager, you will be responsible for the overall performance of the Conversion Department through your leadership of Shift Managers and operational teams. You will work closely with the wider management team to deliver safety, quality, production and cost objectives while creating a positive and inclusive culture.

Health, Safety & Environmental Leadership

  • Champion a strong safety culture throughout the department.
  • Ensure safe systems of work, risk assessments, and compliance procedures are maintained and followed.
  • Drive continuous improvement in health, safety, and environmental performance.
  • Manage contractors, suppliers, and visitors within your area of responsibility.

Operational Performance

  • Lead the conversion operation to achieve productivity, quality, and cost targets.
  • Monitor and improve machine performance, uptime, and efficiency.
  • Analyse downtime and implement robust improvement plans.
  • Drive performance through clear targets, accountability, and effective communication.

Continuous Improvement

  • Lead and support Lean Manufacturing initiatives including 5S, SMED, CIL, Kanban, and other World Class Manufacturing techniques.
  • Drive waste reduction and process optimisation projects.
  • Lead trials and new product activities while collaborating closely with Engineering, Technical, NPD, and other departments.

People Leadership

  • Coach, develop, and support Shift Managers and operational teams.
  • Conduct performance reviews and set meaningful development objectives.
  • Support workforce planning, succession planning, and employee engagement initiatives.
  • Partner closely with HR to ensure compliance with employment legislation and company policies.

Stakeholder Management

  • Work collaboratively across Operations, Sales, Finance, Engineering, and Group functions.
  • Represent the department in internal and external meetings.
  • Build strong relationships with customers, suppliers, and colleagues across the wider business.

Requirements

  • Minimum 5 years' experience within a manufacturing or technical corrugated packaging environment.
  • Proven leadership experience managing operational teams.
  • Strong understanding of manufacturing efficiency, quality standards, and cost control.
  • Experience driving continuous improvement programmes.
  • Excellent communication and stakeholder management skills.
  • Strong analytical and problem-solving abilities.
  • Ability to make sound business decisions and influence at all levels.
  • Self-motivated with the ability to lead change and deliver results.
  • Commercial awareness with an understanding of customer requirements and market demands.

Personal Attributes

  • Inspirational leader with a flexible leadership style.
  • Resilient and decisive when required.
  • Highly collaborative with strong interpersonal skills.
  • Innovative, proactive, and solutions-focused.
  • Able to balance operational priorities with people leadership.

What we offer

  • Competitive salary & benefits, including annual leave, pension, and a Cycle to Work scheme
  • Ongoing training and development opportunities
  • 24/7 confidential support for you and your family
  • Flexible working options and family-friendly policies
  • Guaranteed interview for candidates meeting essential criteria (Disability Confident Employer)

How to apply

Ready to make an impact? Apply today and help us build a sustainable future together.

Other

Smurfit Westrock reserve the right to only shortlist candidates who meet both the Essential and Desirable Criteria.

We are an equal opportunities employer, and we welcome applications from all suitably qualified persons regardless of their *; religious or similar philosophical belief; political opinion; race; age; sexual orientation; or, whether they are married or are in a civil partnership; or, whether they are disabled; or whether they have undergone, are undergoing or intend to undergo gender reassignment.