We are seeking an **OPERATIONS SUPERVISOR** to work on relining activities at the Carajás Mine, responsible for leading operational teams, ensuring production plans are met safely, with quality and efficiency, monitoring the execution of work fronts, and guaranteeing the proper use of available equipment and resources. Additionally, this role will be one of the key drivers in promoting a safety culture, fostering team engagement and continuous improvement in operations. 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 service, have an ownership mindset, courage to get things done, and are interested in being part of an environment that values safety above all, encourages simplicity and humility in employee actions, and considers integrity, excellence, and ethics non-negotiable, then your place is here at Armac! Register now and join our journey. **Responsibilities and duties** * Concerned about **employee safety**, ensuring everyone follows procedures and correctly uses PPE. * Ensures **work fronts are organized**, maintaining a clean, safe, and productive work environment. * Ensures **proper signage** of work fronts (berms, markers, and signs), enhancing operational safety. * Guarantees all team members have their **training and certifications up to date**. * Conducts **periodic inspections**, verifying that the team properly completes the **PRA (Preliminary Risk Analysis)**. * Conducts **periodic inspections** to ensure correct completion of work front checklists. * Communicates **clear information and instructions** about the day's topic and planned activities. * Ensures **proper waste disposal**, preventing trash accumulation during the shift. * Keeps the **reservoir full at the end of each shift**, ensuring continuity of operations. * Demonstrates **initiative and good practices**, sharing ideas and improvements with the team. * Leaves the work front **organized and properly marked** for night operations (such as using lighting towers and proper signage). * **Communicates transparently and clearly**, maintaining alignment between shifts and teams. * Cares for **team well-being**, watching for signs of fatigue and ensuring attention during task execution. * Ensures **operational safety**, conducting and supervising **equipment testing** before operations begin. * Ensures **assets remain in good condition**, promoting responsible use and reporting any irregularities. **Requirements and qualifications** * High school diploma; * Office Suite * Proficiency in Microsoft Word, Excel, and PowerPoint; * Knowledge of heavy yellow-line equipment; * Team management experience; * Valid Brazilian driver's license (CNH B); * Familiarity with yellow-line and white-line machinery; * Experience with internal audits; * Experience in large-scale construction projects; * Ability to analyze activities and processes; * Knowledge of continuous improvement processes. **Additional information** * Hapvida Health Plan (no monthly cost on payroll for the holder) * Bradesco Dental Plan: (with payroll deduction); * Prudential Life Insurance; * Meal Allowance R$ 635.00 \+ 211.20 Breakfast Allowance; * Company-provided transportation. Armac is a national reference in providing specialized and complex services, equipment leasing, and selling used equipment. The company has a strong presence across the main sectors of the economy: construction, energy, road infrastructure, agribusiness, fertilizers, industry, mining, forestry, ports, and rail terminals. The company, which celebrated its 30th anniversary in 2024, has a well-defined purpose: to serve with excellence and safety those who build Brazil. Seeking simple and efficient solutions with humility, ownership mentality, and courage are everyday practices at Armac. A company operating in all regions of the country, offering positions in diverse roles, areas, and segments, with professionals 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 generate maximum value for our customers. But more than that, our responsibility is to create value for society as a whole. We understand that contributing to raising the productivity level across the entire supply 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, in rural and urban areas. Join our team!