We are looking for a Technical Maintenance Supervisor to work at a leading company in the industrial air conditioning systems (HVAC&R) service sector in Três Barras/SC. **Main Responsibilities:** Plan and establish monthly preventive and corrective maintenance schedules; Directly supervise maintenance technical teams, in partnership with field leaders; Handle and monitor service requests related to air conditioning (corrective, preventive, and new installations); Organize and manage technical demands received via phone or systems, ensuring agility and efficiency in service delivery; Conduct periodic visits to clients and operational environments to evaluate service execution and implement continuous improvements; Provide technical support and guidance on best practices to field teams, ensuring standardization and quality; Maintain technical relationships with clients, building trust-based partnerships; Identify improvement opportunities and new technical demands; Produce detailed technical reports on activities performed and conditions found in the field. **Requirements:** Technical or higher education in Refrigeration, Air Conditioning, Electrical Engineering, Mechanical Engineering, or related fields; Minimum of 2 years of experience in technical supervision of air conditioning systems; Valid driver's license (Class B) and availability for occasional travel; Practical expertise in HVAC&R systems, including chillers, panel coolers, and precision equipment; Experience managing field teams and maintenance operational routines; Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint); Familiarity with Leankeep or similar maintenance management systems; Strong communication skills, organized, proactive, and results-oriented. **Compensation:** Monthly salary of R$5,500 + 30% hazard pay Meal allowance of R$485 (Ticket) Fuel allowance of R$300 Life insurance Company vehicle and corporate mobile phone **Working Hours:** Monday to Friday from 07:30 AM to 5:15 PM. **Minimum Education Level:** Bachelor's degree **Driver's License Required:** Class B Own vehicle required