Maintenance Supervisor - Injection Molding & Machines

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Country: Portugal (PT) 
City: Ovar
Worksite / Location: Ovar Plant 

Job Function: ECS_Operations (Manufacturing Engineering) 
Job Discipline:  
Job Family: Technical Services (PL)

Founded in 1929, Yazaki is a Japanese full systems supplier of wire harness, electrical, data products and solutions enabling vehicle electrification, connectivity, and autonomy integration. More than 235,000 committed and highly motivated employees in 45 countries make us one of the most successful international automotive suppliers. Join a family-owned company committed to being environmentally friendly in every aspect of its business, contributing to society, and inspiring trust. To strengthen our team, we are looking for a Maintenance Supervisor - Injection Molding & Machines in our plant in [[location]].

Key Responsibilities

Team & Operational Management:

• Lead, coordinate, and provide daily technical support to the maintenance teams (Corrective & Preventive Maintenance)


• Manage and define operational priorities in direct alignment with Production and Planning requirements


• Analyze shift daily production and maintenance reports, ensuring rapid response to operational deviations

Assets, Costs & Spare Parts Management:

• Define, adjust, and ensure full compliance with the preventive maintenance plan for injection molds and machinery (Engel, Arburg, Nissei)


• Coordinate the management of wear-and-tear parts and spares, ensuring cost control and optimized inventory of consumables


• Ensure proper preparation, setup, and validation of injection molding machines and tooling for production startup, minimizing unplanned downtime

KPIs, Quality & Continuous Improvement:

• Monitor and analyze operational KPIs (using SAP records), implementing action plans to address deviations and reduce NPT (Non-Productive Time)


• Actively participate in audits, daily Obeya/Gemba meetings, and continuous improvement initiatives (5S, PDCA, Problem Solving)


• Enforce safety (EHS), environmental, and workplace organization best practices (5S) across the maintenance area and spare parts warehouse

Candidate Profile

Experience: Minimum of 8 to 10 years of proven experience in plastic injection molding and tool/mold maintenance, with a track record in team leadership or coordination roles

Education & Qualifications: High School diploma (minimum); a Bachelor’s degree in Mechanical, Industrial, or Electrical Engineering, or a specialized Technical Diploma will be strongly valued

Technical Skills:

• Advanced ability to read and interpret technical drawings focused on injection molds


• Practical experience with Maintenance Management Systems (preferably SAP)


• Strong command of continuous improvement methodologies and structured Problem-Solving tools


• Working proficiency in English (both spoken and written)

Soft Skills & Behavioral Profile:

• Strong leadership, communication, and interpersonal skills


• High resilience, with a proven ability to work under pressure and make sound, fast decisions


• Team-oriented mindset, strong technical rigor, and organizational skills


• Schedule flexibility

At Yazaki, we are committed to providing equal employment opportunities for everyone which extends to all aspects of the employment relationship. 

We are looking forward to receiving your application and to get to know you. Please apply by clicking the 'Apply Now' button. We wish you all the success in your application! 

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