Job Summary The Senior Quality Control Operator performs advanced and priority QC activities, ensures high-quality execution of routine laboratory work and supports the QC Manager in day-to-day technical coordination. The role provides technical guidance to QC Operators, performs first-level troubleshooting and verifies the completeness and consistency of laboratory documentation before managerial review. Key responsibilities * Perform sampling and physical, chemical and performance testing of raw materials, in-process materials and finished products using approved methods and specifications. * Execute complex, critical, non-routine or high-priority tests independently within established methods and authorization limits. * Support QC Operators with routine digital workflows and basic ERP (Enterprise Resource Planning, i.e. SAP) system data entry, performing first-level checks on digital records and escalating IT or system issues when needed. * Review laboratory worksheets, calculations and test records prepared by QC Operators for completeness, traceability and obvious inconsistencies before escalation to the QC Manager. * Support allocation of daily laboratory work, prioritization of urgent samples and communication of status to the QC Manager. * Perform first-level troubleshooting for test execution, sample preparation, equipment operation and data-recording issues; document actions and escalate unresolved matters. * Identify, contain and promptly escalate atypical results, OOS (Out-of-Specification) / OOT (Out-of-Trend) indications, method deviations, sample issues, equipment failures and potential data-integrity concerns. * Provide structured on-the-job training and practical qualification support for QC Operators on approved methods, sampling, equipment use, documentation and laboratory discipline. * Support verification of equipment readiness, calibration status, sample archives, reagent/consumable availability and housekeeping. * Participate in pre-production checks, routine process/product verification and investigations assigned by the QC Manager. * Contribute technical observations to trend analysis, method optimization, SOP(Standard Operating Procedure) updates and continuous-improvement initiatives. Decision authority * Prioritizes assigned work and provides operational direction to QC Operators during the shift or day, in line with the QC Manager’s plan. * Verifies technical completeness of routine records before managerial approval. * May stop or suspend an analysis when safety, equipment status, sample identity or data integrity is in doubt; must document and escalate immediately. * In the absence of QC Manager can authorize final result approval, product release, lot disposition, deviation closure, CAPA (Corrective and Preventive Action) closure or specification changes. Key interfaces * QC Manager, QC Operators, Production supervisors, R&D technical staff, Maintenance for routine operational coordination and IT support / ERP key users for routine issue escalation. Success measures * Quality and timeliness of assigned testing and technical record review. * Percentage of junior team members trained and qualified as planned. * First-level troubleshooting effectiveness and repeat-error reduction. * Compliance of assigned equipment, records, samples and work areas. Required qualifications and experience * Technical diploma or degree in Chemistry, Industrial Chemistry, Materials Science or equivalent. * Solid experience in QC laboratory activities in a manufacturing environment. * Demonstrated autonomy in approved test methods, result interpretation, documentation and routine troubleshooting. * Demonstrated ability to train and support less experienced laboratory personnel. * Practical familiarity with company digital tools and ERP systems (such as SAP) for basic data input, search, and record verification. * Good general digital literacy (e.g., standard PC use, MS Excel/Office) and comfort in supporting peers with everyday digital tasks. Competencies Technical * Advanced use of routine QC methods and equipment. * Technical review of raw data, calculations and laboratory records. * First-level troubleshooting, sample management and calibration-status verification. * Understanding of non-conformity escalation and data-integrity requirements. * Basic proficiency with ERP systems (SAP or equivalent) for routine data entry and simple data checks. Behavioral * Technical ownership and coaching attitude. * Precision, reliability and composure under operational pressure. * Clear communication and collaborative teamwork. * Proactive escalation and practical problem solving.