If you are organized, detail-oriented, skilled in process control, and looking for a technical and collaborative environment to grow, this position is for you! Join the team that ensures quality from the very first step of our laboratory processes! **Responsibilities and duties:** * Provide in-person customer service; * Receive, sort, and register samples, critically assessing their conditions according to ISO 17025 (homogeneity, temperature, pH, volume, container, chain of custody, among others); * Flag sample conformities and non-conformities in the system; * Aliquot, release, distribute, and dispose of samples; * Prepare samples for shipment via mail and carriers, completing all necessary forms; * Label and preserve sample kits when necessary; * Scan chains and forms into the system; * File documents, organizing them by date; * Monitor internal and external emails; * Track and control pending tasks in real time. **Requirements and qualifications:** * High school diploma; * Technical or undergraduate education in Chemistry, Environmental Science, Biology, or related fields (in progress or completed) will be a plus; * Proficiency in Office suite, proactive and dynamic profile; * Experience with data entry systems (e.g., MyLims) will be a plus. *Additional information:* **100% In-person – Estácio, RJ** **Shift / Schedule:** Availability for any shift is required, as the specific schedule will be informed during the selection process. The company operates 24 hours a day, seven days a week. **Benefits we offer:** **Transportation voucher (municipal or state card) or mobility (Flash card)** – assistance for commuting to work **Meal allowance | food (Flash card)** – balance for meals or grocery purchases **Medical insurance (Bradesco)** – health plan with national coverage **Dental insurance (Bradesco)** – dental plan with national coverage **Clude Saúde** – digital platform offering online medical and wellness consultations **TotalPass** – access to partner gyms and studios across Brazil **Life insurance** – financial protection in case of unforeseen events **SESC agreement** – access to SESC facilities with discounts and exclusive services **Partnership with Educational Institutions** – discounts on courses and certifications **Partnership with Movida** – car rental at reduced rates Job type: Full-time CLT Pay: R$1,530.00 - R$1,800.00 per month Benefits: * Medical insurance * Dental insurance * Life insurance * Meal allowance * Transportation voucher Education: * High school diploma (Mandatory)