We are currently looking for Sample Weighers for minerals for an important company located in Callao, dedicated to providing analytical geochemistry services for the mining industry. Requirements: * University graduates or recent technical graduates in chemical engineering, metallurgical engineering, or related fields. * Desirable experience in production plants (not essential) * Unique labor certificate. * Availability to work weekly rotating shifts. * Strong sense of commitment and responsibility Main Functions: * Learn activities related to sample weighing to ensure high-quality deliverables. * Master tasks related to sample weighing, ensuring production levels meet quality standards. * Acquire expertise in sample weighing, demonstrating production performance above 100% while consistently maintaining task quality. * Report any operational or safety incidents to the supervisor. * Comply with health, safety, and environmental actions according to the job role. Benefits: * Formal employment with statutory benefits. * Shift work bonuses. * SCTR and statutory life insurance. * Ongoing training. Job type: Full time Salary: S/.1,500.00 per month Work location: On-site employment