Sr. Mould Maintenance Engineer

• As our Sr Mould Maintenance Engineer, you’ll provide the technical knowledge and analytical thinking needed to protect mould integrity and improve maintenance processes at our Monterrey factory. You’ll make informed decisions on repairs, troubleshoot complex malfunctions, and turn technical data into practical improvements. Working locally and with global mould maintenance teams, you’ll help strengthen equipment reliability, production efficiency, and knowledge sharing across the LEGO Group. 

• →Lead Guarantee Acceptance Testing and support mould technicians in identifying defects and coordinating claims with the responsible teams.
• →Lead root-cause problem solving for mould malfunctions and determine when advanced continuous improvement methods are needed.
• →Collaborate with global maintenance teams on mould design improvements, spare parts, supplier topics, claims, and low-efficiency moulds.
• →Coach mould repair and cleaning colleagues on troubleshooting, corrective maintenance, and process improvements.
• →Challenge existing processes to protect mould integrity and improve operational efficiency.
• →Lead technical projects and implementations aligned with local initiatives and business priorities.

• Experience in injection mould maintenance. 
• Proven continuous improvement and analytical problem-solving experience.
• Practical ability to assess and perform major repairs on injection moulds.
• Strong communication skills and experience guiding technical colleagues.
• Advanced English.

• Advanced experience with measurement instruments and toolroom equipment.
• Ability to interpret metric technical drawings and work with CNC machinery, milling, laser welding, manual machinery, and precision polishing.
• Advanced Microsoft Excel skills.
• Strong Lean Manufacturing knowledge or certification in continuous improvement tools.

• You’ll become a trusted technical partner who can assess mould damage, approve appropriate repair approaches, support production-release decisions, and lead improvements based on reliable data. Your work will help teams solve recurring problems at their root, improve mould efficiency, and share effective maintenance practices locally and globally. 

Here are some of what to expect: