Job Summary: The professional will perform preventive and corrective maintenance on trucks and machinery, diagnosing and repairing various systems. Key Highlights: 1. Maintenance of light, medium, and heavy-duty trucks 2. Repairs of diesel engines and complex systems 3. Work on yellow-line machinery and equipment Join CS Infra! At CS Infra, a company of the Simpar Group, we believe our employees are the heart of everything we do. Since our founding in 2021, we have stood out in the infrastructure sector, leading operations in public concessions and long-term projects with excellence. We are part of a holding company that controls seven independent businesses. This gives us a strong business profile and a diversified portfolio, ensuring stability and growth even across different economic cycles. We value sustainability, governance, and meeting our customers’ needs. Our culture is built upon solid results and commitment to ESG practices. Our team comprises a diversity of generations, combining knowledge and experience with great energy to deliver major projects. We value humanization and the development of each employee. At CS Infra, you will find a dynamic and welcoming environment where every individual is valued and encouraged to grow. If you seek a career full of challenges and opportunities, this is your chance! Our Purpose: To contribute to the quality of life of our customers and the communities where we operate, through excellence in Infrastructure and Environmental services. We strive to be recognized as a company that is: Trustworthy, Efficient, Innovative, Diversified, and Sustainable. Join us and become part of \#OurPeople! All selection processes conducted by **CS INFRA** are affirmative, inclusive, and non-discriminatory. **Responsibilities and duties*** Perform preventive and corrective maintenance on light, medium, and heavy-duty fleet trucks (including operational vehicles with attachments, where applicable); * Diagnose and repair diesel engines, cooling systems, fuel systems, lubrication systems, and exhaust systems; * Work on transmissions/clutches, differentials, axles, drive shafts, and wheel assemblies (hubs, bearings, etc.); * Inspect, adjust, and repair brake systems (with emphasis on air brakes), ensuring safety and operational clearance; * Perform maintenance on suspension and steering systems (springs, shock absorbers, bushings, tie rod ends, and associated components); * Perform electrical/electronic maintenance: starting systems, alternators, batteries, lighting, wiring harnesses, sensors, and diagnostic scanning where applicable; * Perform maintenance on yellow-line machinery, focusing on hydraulic systems (pumps, valves, cylinders, hoses), transmission/drive systems, brakes, cooling systems, and operational safety items; * Support maintenance of compaction/earthmoving equipment when part of the fleet (e.g., compacting rollers), ensuring functionality and safety; * Request and manage parts and supplies (filters, lubricants, replacement items), supporting minimum stock levels and avoiding downtime due to material shortages; * Record services in work orders, checklists, and reports (failure description, probable cause, parts used, time spent), maintaining historical records for management; * Comply with safety and environmental regulations (PPE, workshop organization, proper disposal of oil/filters/waste) and support 5S routines. **Requirements and qualifications** **Mandatory:** * Experience in preventive and corrective maintenance of light/medium/heavy-duty (diesel) trucks and/or yellow-line machinery; * Diagnosis and repair of diesel engines, brakes (including air brakes), transmissions/clutches, differentials/axles/drive shafts, suspension/steering, and wheel assemblies; * Practical knowledge of hydraulics (hose/connection replacement, leak repairs, basic operation of cylinders/valves); * Ability to record services in work orders/checklists and follow safety regulations (PPE and waste disposal). **Desirable (non-eliminatory):** * Technical/vocational training in mechanics (automotive/diesel/electromechanical); * Experience with electronic diagnostics/scanner use and advanced automotive electrical systems; * Driver’s license class C/D/E (as required by operations). **Additional information** We offer the traditional benefits you already know—and go beyond: * **Benefits Club:** An exclusive platform offering discounts across multiple categories—gastronomy, entertainment, services, education, leisure, and sports. * **Connected to You:** A dedicated channel providing specialized support for you and your family, including psychological, social, financial, legal assistance, and more—available 24/7, with full confidentiality. * Extended **Maternity** and **Paternity Leave**, plus a **Newborn Kit** for new mothers and fathers. * We understand how important children’s and teenagers’ education is. At **CS INFRA**, we help with purchasing the **school supply kit** for our employees’ children. * **CS INFRA University**, a platform for your self-development and continuous learning.  * **Veterans Event:** We recognize and celebrate our long-standing employees with special events for those completing 15+ years with us. * **Mom’s Corner:** A dedicated space at our Head Office in Itaim Bibi and Administrative Headquarters in Mogi das Cruzes, designed for mothers returning from maternity leave who wish to **continue breastfeeding**. The space provides all necessary **equipment for milk expression and storage, with privacy and comfort.** **** * **Totalpass:** To support your quality of life, health, and well-being. * **School Supply Kit** offered at accessible prices (so you can secure high-quality materials at great value). Join CS Infra! At CS Infra, a company of the Simpar Group, we believe our employees are the heart of everything we do. Since our founding in 2021, we have stood out in the infrastructure sector, leading operations in public concessions and long-term projects with excellence. We are part of a holding company that controls seven independent businesses. This gives us a strong business profile and a diversified portfolio, ensuring stability and growth even across different economic cycles. We value sustainability, governance, and meeting our customers’ needs. Our culture is built upon solid results and commitment to ESG practices. Our team comprises a diversity of generations, combining knowledge and experience with great energy to deliver major projects. We value humanization and the development of each employee. At CS Infra, you will find a dynamic and welcoming environment where every individual is valued and encouraged to grow. If you seek a career full of challenges and opportunities, this is your chance! Our Purpose: To contribute to the quality of life of our customers and the communities where we operate, through excellence in Infrastructure and Environmental services. We strive to be recognized as a company that is: Trustworthy, Efficient, Innovative, Diversified, and Sustainable. Join us and become part of \#OurPeople! All selection processes conducted by **CS INFRA** are affirmative, inclusive, and non-discriminatory.