**Diefra** is a multidisciplinary company with technical maturity and established professional expertise, resulting from an entrepreneurial and proactive approach. With an extensive portfolio of achievements over 40 years of operation, **Diefra** provides operational and technological support to public and private companies throughout Brazil. Join our team! **Responsibilities and duties:** * Assist the laboratory technician in monitoring fieldwork. * Conduct and supervise sample collection. * Analyze collected samples. * Monitor the issuance of reports verifying the tests performed. **For this role, you will need:** * Desired knowledge in the position. * Desired previous experience in the mining industry. Monday to Thursday: from 07:00 to 17:00, with a 1-hour break. \| Friday: from 07:00 to 16:00, with a 1-hour break. **Benefits:** * On-site meal * Medical insurance * Life insurance * Shuttle transportation * Wellhub (Gympass) Job type: Full-time, Permanent CLT Pay: R$1\.599.00 per month Application deadline: 07/30/2025