**Job Objective:** Perform inspection of raw materials, materials in process, and final product, issuing and sending corresponding quality certificates for review. **Requirements:** * Minimum one year of experience * Bachelor's degree or engineering (chemistry preferred) **Knowledge:** * Theoretical knowledge of activated carbon reactivation by chemical and physical methods. * General knowledge of management systems (ISO 9001 and ISO 14001\). * Internal audits. * Chemical analysis, handling of toxic substances. * Basic safety and hygiene practices. * Proficiency with Office suite and email **Skills:** * Teamwork, communication, service orientation, discipline, initiative, planning and organization, leadership, personnel management, analytical ability, negotiation, software usage, machinery and equipment operation. **Equipment and Systems Handling:** * Laboratory equipment, glassware (beakers, graduated cylinders, flasks, pipettes, etc.) and PC. * Potentiometer, analytical balance, thermobalance, muffle furnaces, dryer, Ro\-Tap, mill, etc. **Benefits** * Vacation entitlement according to law * Christmas bonus of 30 days * Vacation premium of 25% * Transportation provided to Piedras Negras * Savings fund * Life insurance Employment type: Full-time Salary: $15,000\.00 per month Work location: On-site