**Who we are:** Refrin is a company specialized in manufacturing products and accessories made from steel processing. We offer the most comprehensive line of air conditioning and ventilation products manufactured from galvanized steel, aluminum, and stainless steel: hoods, ducts, and accessories. **Purpose of the position:** To train and develop engineering students in the areas of sizing, application, commercial budgeting, manufacturing, on-site installation, and monitoring of efficiency and performance of air distribution systems applied to ventilation, exhaust, particulate transport, and air conditioning systems in small- and large-scale industrial and commercial facilities. **Activities include:** Project interpretation Project modulation Project coding Monitoring of construction sites / projects. **Benefits:** Breakfast, meal voucher, transportation voucher, dental plan, basic food basket, and Total Pass. Job type: Internship Contract duration: 12 months Compensation: R$1.518,00 – R$1.700,00 per month Benefits: * Dental assistance * Basic food basket * Free parking * Meal voucher * Transportation voucher Selection question(s): * Which neighborhood do you live in? Do you have easy access to Taipas? Work location: On-site