Job Summary: Machine Operator III for rock handling and Mine/Plant infrastructure, focused on safety, process optimization, and excellence. Key Highlights: 1. Work on rock handling and Mine/Plant infrastructure 2. Focus on safety and process optimization 3. Culture of integrity, excellence, and ethics We are seeking a MACHINE OPERATOR III to perform rock handling and Mine/Plant infrastructure activities. At Armac, we strive daily to build lasting relationships with our employees and partners, based on trust, mutual respect, and shared commitment. If you take pride in serving, act like an owner, have the courage to make things happen, and are interested in joining an environment that places safety first, encourages simplicity and humility in employee actions, and considers integrity, excellence, and ethics non-negotiable, then Armac is the place for you! Apply now and join our journey. **Responsibilities and Duties** * Operate wheel loader, backhoe loader, mini excavator, or excavator in operations; * 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** * Excavator operator training; * Minimum 6 months of experience; * Driver’s license category B, preferably D. **Additional Information** * Meal allowance: R$649.00; * Meals provided on-site; * Transportation: Chartered bus; * Health plan: Unimed; * Dental plan: Bradesco; * Life insurance; * TotalPass. Armac is a national reference in providing specialized and complex services, equipment leasing, and sales of used equipment. The company has strong presence across major economic sectors: construction, energy, road infrastructure, agribusiness, fertilizers, industry, mining, forestry, ports, and rail terminals. Having completed 30 years in 2024, the company has a clearly defined purpose: to serve with excellence and safety those who build Brazil. Seeking simple and efficient solutions, acting with humility, ownership mindset, and courage are everyday practices at Armac. A company operating nationwide, offering positions across diverse functions, areas, and segments, with professionals stationed in offices, workshops, operations, and stores. At Armac, we believe education is a strategic pillar for social and professional transformation and business growth. Our internal training and qualification programs prepare our professionals to work efficiently and safely across all segments. We work to deliver maximum value to our customers. But more than that, our responsibility is to create value for society as a whole. We understand that contributing to raising productivity levels across the entire value chain is essential to enabling the major transformations needed for the 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, whether in rural or urban settings. Join our team!