Job Summary: Machine Operator III for maintenance of haul roads, mine infrastructure, and general cleaning activities, operating various equipment while optimizing processes safely. Key Highlights: 1. Maintenance of haul roads and mine infrastructure 2. Focus on safety and process optimization 3. Culture of integrity, excellence, and ethics We are seeking a Machine Operator III to perform activities including haul road maintenance, truck loading, mine infrastructure work, and general cleaning. At Armac, we strive daily to build lasting relationships with our employees and partners, grounded in trust, mutual respect, and shared commitment. If you take pride in serving, demonstrate ownership mindset, have the courage to make things happen, and wish to join an environment where safety comes first, simplicity and humility are encouraged in daily actions, and integrity, excellence, and ethics are non-negotiable, then Armac is the place for you! Apply now and join our journey. **Responsibilities and Duties** * Operate hydraulic excavators, long-reach excavators, mini excavators, mini loaders, and backhoe loaders; * Perform duties responsibly and safely; * Follow established procedures; * Assess whether machines in operation are functioning properly; * Provide solutions to optimize our processes. **Requirements and Qualifications** * Training courses related to the equipment (hydraulic excavator, long-reach excavator, mini excavator, mini loader, and backhoe loader). * Minimum 6 months of experience; * Brazilian National Driver's License — preferably Class "D". **Additional Information** * Unimed Health Plan (no monthly payroll deduction for the primary holder — co-payment model); * Bradesco Dental Plan (payroll deduction applies); * Life Insurance; * Corporate University; * TotalPass Gym Membership (optional); * Maternity Kit; * Chartered Transportation; * Meal Allowance; * On-site Meals. Armac is a national reference in providing specialized and complex services, equipment leasing, and sales of used machinery. The company maintains strong presence across key economic sectors: construction, energy, highway infrastructure, agribusiness, fertilizers, industry, mining, forestry, ports, and rail terminals. Having completed 30 years in 2024, Armac has a clearly defined purpose: to serve with excellence and safety those who build Brazil. Seeking simple and efficient solutions, acting with humility, demonstrating ownership mindset, and having the courage to act are everyday practices at Armac. A company operating nationwide, offering positions across diverse functions, areas, and segments, with professionals stationed in offices, workshops, field operations, and stores. At Armac, we believe education is a strategic pillar for social and professional transformation and business evolution. Our internal training and qualification programs prepare our professionals to operate efficiently and safely across all segments. We work to generate maximum value for our customers. But more than that, our responsibility is to build value for society as a whole. We understand that contributing to raising productivity standards across the entire value chain is essential to enabling the major transformations required by our country. Creating and building opportunities and development for an increasingly productive and sustainable world. Transforming the future today — serving those who produce, those who make Brazil happen, both in rural and urban settings. Join our team!