Job Description

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