ALS is a leading global provider of testing and laboratory services, committed to delivering high-quality and precise solutions to clients across various industries. With over 40 years of experience, we offer a comprehensive range of services including testing, analysis, and technical consulting in areas such as mining, environment, food, energy, among others. Our mission is to provide reliable results that help our customers make informed decisions, driving sustainability, safety, and innovation in their operations. At ALS, we value integrity, excellence, and collaboration, and strive to create an inclusive and diverse work environment where every team member can contribute to collective success. As part of our team, you will have the opportunity to grow professionally within a company dedicated to continuous improvement and making a positive impact on society and the environment. **Main Responsibilities:** * Conducting sample collection (water, surfaces, air, food). * Assisting technicians in disinfection, pest control, and rodent control (DDD) activities. * Completing technical documentation and records. * Transporting samples to the laboratory. * Planning and monitoring work schedules. * On-site analysis of parameters such as pH, conductivity, temperature, chlorine, oxygen, transparency, turbidity, and chlorine. * Prompt reporting of incidents related to work performed. * Work under quality management systems. **Requirements:** * Education: Vocational training in Environmental Health, Chemistry, Environment, or similar. * Certification in handling biocidal products, legionella (basic or qualified level). * Previous experience in sampling or DDD control is desirable. * Valid driver's license B (mandatory). * Proactive, organized individual with strong ability to work independently. * Strong oral and written communication skills. * Solid organizational abilities. * Proficiency in Microsoft Office. * Knowledge of UNE-EN ISO/IEC 17025:2017 standard is desirable. **We Offer:** * Joining a company with extensive experience in environmental health and laboratory analysis. * Continuous training. * Positive work environment and constant support from the technical team. JOIN OUR TEAM AT ALS! **At ALS, we are looking for passionate and committed individuals to join our team. We pride ourselves on offering a dynamic and collaborative work environment where diversity and inclusion are fundamental values. If you are seeking an opportunity to develop your career with a leading provider of laboratory and testing services, we encourage you to apply!** Job type: Full-time Benefits: * Professional development support * Language courses offered * Company events * Flexible working hours * Training program Work Location: On-site