Quality Specialist

About the role

Yokohama TWS is seeking a Quality Specialist to support the Quality team and Quality Manager in ensuring the highest standards for compounds and semi‑finished products. The role involves hands‑on testing, data analysis, and coordination across departments to maintain ISO certifications and site management systems.

Key responsibilities

• Perform quality control inspections on raw materials and finished compounds according to quality plans.
• Conduct rheological and physical‑mechanical tests such as Mooney viscosity, MDR/ODR rheometer, Shore A/D hardness, density, compression set, and tensile strength/elongation.
• Verify compliance with technical data sheets and customer specifications.
• Record and analyse non‑conformities, support root‑cause analysis (5 Whys, Ishikawa) and monitor corrective/preventive actions.
• Provide technical assistance to operators during compounding and production, evaluate process adjustments, and manage in‑line controls.
• Process quality data for trends, KPIs and statistical analysis (Cp/Cpk) and prepare technical reports.
• Collaborate with R&D and Technology teams on new formulation testing and industrialisation.

Required profile

• Experience in quality control or quality assurance within a manufacturing environment.
• Familiarity with ISO certification processes and site management systems.
• Ability to maintain accurate records, procedures and data entry for quality‑related information.
• Strong coordination skills to work with multiple departments and external parties.

Required skills

• Mooney viscosity testing
• MDR/ODR rheometer operation
• Shore A/D hardness testing
• Density measurement
• Compression set testing
• Tensile strength and elongation testing
• Statistical analysis (Cp, Cpk)
• Root‑cause analysis methods (5 Whys, Ishikawa)
• ISO certification procedures
• Quality data management