**Location:** Foz do Iguaçu / PR **Main responsibilities:** * Collect samples of asphalt, crushed stone, sand and other aggregates; * Perform laboratory tests (such as grain size analysis, binder content, density, softening point, viscosity, among others); * Prepare asphalt mixture test specimens; * Technological control of asphalt materials during production and application; * Record and analyze data obtained from tests; * Issue technical reports with test results; * Assist in calibration and maintenance of laboratory equipment; * Comply with safety and quality standards (such as DNIT, ABNT, ASTM, etc.). **Requirements:** * Completed High School (technical course in construction or related fields will be an advantage, completed or currently enrolled); * Experience in sample collection or laboratory testing of soils or asphalt/aggregates; * Availability for field work (site visits); * Basic knowledge of Excel and filling out technical reports; * Valid driver's license (CNH B). **Compensation:** * Salary: BRL 3,480.40 + 30% hazard pay – totaling BRL 4,524.52. * Food allowance: BRL 460.00. * Breakfast and lunch provided at the company at no cost to the employee. * Profit sharing. **Employment type:** CLT **Working hours:** * Monday to Friday from 07:00 to 17:00 with lunch break **Minimum education level:** Technical Degree **Driver's license requirement:** B