Job Description: * Operate and monitor wire cutting machines, activating the diamond wire machine to cut rocks; * Perform basic adjustments and assist in preventive equipment maintenance; * Keep the workplace clean and organized; * And other duties related to the position. Qualifications: \- Experience in the role; \- Completion of the Diamond Wire Operator course; \- Class D driver's license (CNH: D); Education: \- Completed Elementary School; Work Location: North Zone / Rio de Janeiro Working Hours: Monday to Thursday from 07:00 to 17:00 and Friday from 07:00 to 16:00. Benefits: \- Transportation allowance; \- Meal ticket; \- Attendance card. Job type: Full-time, Permanent CLT position Salary: BRL 3,500.00 per month Benefits: * Transportation allowance