**RESPONSIBILITIES:** \- Organize samples and prepare materials for testing; \- Perform basic physical tests (particle size analysis, specimen breaking tests); \- Maintain and clean laboratory equipment; \- Document and record test results; \- Manage inventory of consumable materials; \- Participate in training sessions and technical updates; \- Requires technical skills, attention to detail, and teamwork; \- Contributes to maintaining quality and safety standards in the laboratory. **REQUIREMENTS:** \- Completed high school education; \- Ability to work effectively in a team; \- Attention to detail. **WORK SCHEDULE:** Monday to Thursday: 8:00 AM to 6:00 PM; Friday: 8:00 AM to 5:00 PM **BENEFITS:** Childcare allowance; Transportation allowance; Meal voucher; Life insurance. Register your resume at buscarvagas.com.br and stay updated on the best opportunities.