RESPONSIBILITIES: * Responsible for operating machinery and equipment to perform typical field tasks (conducting surveys, installing wells, sampling, testing, preparing work areas); * Ensure proper use and integrity of equipment; * Perform minor and medium repairs; * Carry out soil preparation, site clearing and access roads, drilling, and installation of monitoring wells; * Respond to internal and external audit interviews and project managers and supervisors; * Follow guidelines provided by Environmental Technician and/or Project Manager when performing activities; * Maintain the integrity and legibility of field documents; and other related duties. REQUIREMENTS: Possess CNH B (C or D desirable) and driving experience; Completed High School; Availability for physical labor (both inside and outside the company's premises); Hold NR-11 operator certification; NR-12 training course; Certificate(s) from drilling rig course(s); Full availability for travel and/or residing in company-provided accommodations. Working hours: Monday through Friday, 08:00 to 17:48 (availability for travel is essential) Job type: Permanent CLT Pay: R$2,990.00 - R$3,700.00 per month Benefits: * Medical insurance * Childcare allowance * Education assistance * Housing assistance * Life insurance * Meal voucher * Transportation voucher Working hours: * Monday to Friday Additional compensation: * 13th salary * Hazard pay Screening questions: * What is your driver's license category? * Have you previously operated a Biosonda drilling rig? License/Certification: * NR-11 Operator Card? (Mandatory) * NR-12 Course (Mandatory) Expected start date: 08/18/2025