Closing Date for Application:
Thursday 30/07/2026
Manthorpe Building Products is a leading designer, manufacturer and supplier of plastic injection moulded, vacuum formed and extruded products for the building industry.
Part of the Genuit Group, we combine long-term stability with a culture built on teamwork, accountability and continuous improvement. We encourage fresh ideas, invest in development and are committed to creating a safe, inclusive and supportive workplace where everyone feels like they belong.
About the Role
We are looking for an experienced and motivated Injection Moulding Technician / Setter to join our growing manufacturing team. This is an excellent opportunity for a skilled injection moulding professional who enjoys working in a fast-paced production environment and takes pride in delivering high-quality products safely and efficiently.
Reporting to the Production Team Leader, you will be responsible for setting and optimising injection moulding machines, carrying out mould tool changes, troubleshooting processing issues, and supporting continuous improvement initiatives to maximise productivity and quality.
Key Responsibilities
Set and optimise injection moulding machines to achieve high-quality parts at optimum cycle times.
Carry out mould tool changes efficiently to minimise downtime and maximise production output.
Ensure production schedules are achieved on time, in full, and to the required quality standards.
Complete first-off and last-off inspections, ensuring products meet visual and dimensional specifications.
Monitor cycle times and process performance, identifying and resolving deviations promptly.
Conduct material and colour changes in line with production requirements.
Set and adjust 3-axis and 6-axis robots to ensure efficient part removal from mould tools.
Complete basic NPI/NPD trials and associated documentation.
Troubleshoot and resolve injection moulding process issues to minimise scrap and maintain quality standards.
Accurately record production data, downtime, scrap, tooling issues, and quality information.
Support tooling maintenance activities when required.
Assist with the training and development of new starters and apprentices.
Maintain high standards of housekeeping, health & safety, quality, and environmental compliance.
Identify and support continuous improvement opportunities within the production area.
About You
To be successful in this role, you will have:
Previous experience in an Injection Moulding Setter, Technician, or Process Technician role.
Strong understanding of injection moulding machines, tooling, and processing principles.
Experience carrying out mould tool changes and machine setups using process setting sheets.
Knowledge of quality inspection techniques, including visual and dimensional checks.
Experience setting and adjusting robotic handling systems (3-axis and/or 6-axis robots).
Strong fault-finding, problem-solving, and analytical skills.
Experience using overhead cranes and lifting equipment safely.
Good computer literacy, including Microsoft Office applications.
A proactive approach with excellent attention to detail and organisational skills.
A commitment to continuous improvement, quality, and safe working practices.
What We Offer
Competitive salary within the market
25 days annual leave plus bank holidays
Contributory pension scheme - matched up to 8%
Life assurance
Enhanced Maternity & Paternity pay
Save as you earn Sharesave Scheme
Here at the Genuit Group we recognise and develop the contribution our people make to the Group’s success and are committed to attracting talent from the widest pool. We have a role to play in making the built environment more sustainable, building a low carbon business ourselves as well as delivering sustainable solutions at scale.
