Job Summary: A professional to monitor and advise on the manufacturing and maintenance of drilling fluids, conducting chemical and physical analyses in the field. Key Highlights: 1. Engineering and service operations in the oil and gas sector 2. Focus on quality control and operational logistics of fluids 3. Support for accident investigations at facilities An engineering and services company serving the oil and gas industry is seeking a Fluid Engineer in Manaus. Núcleo Engenharia is a company specialized in engineering and construction solutions. We provide high-quality services to meet our clients’ needs. **Responsibilities:** Monitor and advise on the manufacturing and maintenance of drilling fluid properties during well drilling campaigns. Control fluid properties through chemical and physical analyses conducted in the field to comply with the well program. Plan operational logistics for the manufacturing, maintenance, and disposal of well fluids and waste, including preparation of technical reports. Certify receipt and return of fluids used in well drilling activities. Perform quality control of solid extraction equipment on drilling rigs. Support investigation committees in determining causes of accidents occurring at facilities. Bachelor’s degree required. Relevant experience necessary. **Compensation and Benefits:** * Salary: Salary range will be disclosed during the interview. * Benefits will be disclosed during the interview stage. **Additional Information:** * Employment Type: Permanent \- On-site. * Duration: Full-time * Working Hours: To be determined.