Job Summary: The Senior Process Engineer will monitor, analyze, and optimize copper processing operations, leading improvements and innovations. Key Highlights: 1. Technical reference, leading continuous improvement and innovation initiatives. 2. Optimize copper processing operations for operational excellence. 3. Development, testing, and implementation of new process routes. **We are ERO**, a mining company born in the heart of Brazil and grown to deliver greater strength and energy worldwide — strength that drives productive sectors and contributes to the development of diverse regions. Since 1979, when it began operations at the Caraíba unit, the company has consolidated its presence in Brazil’s mineral sector, expanding to the Xavantina gold mine, advancing the implementation of the Tucumã unit — projected to become one of the country’s main copper production hubs. Our growth is driven by exploration expertise, enabling us to extend the life of our mines and advance new projects such as the Furnas Project in Pará. Our approach to mining is guided by strong values: Care, Courage, Honesty, Collaboration, and Excellence. These principles lie at the core of everything we do — from the mine floor to strategic decisions. They also guide how we support the growth of every individual at Ero. Our objective is clear: to become Brazil’s best mining company, and we know this is only possible by investing in the people who build this future with us, every day. **Do you identify with this?** We are seeking a professional to serve as **Senior Process Engineer**, responsible for integrated monitoring, analysis, optimization, and development of copper processing operations, ensuring operational excellence, process stability, maximum metallurgical recovery, economic efficiency, and compliance with technical, safety, quality, and environmental standards. Acts as a technical reference, leading continuous improvement initiatives, technological innovation, and strategic projects, with strong interface across mining, geology, planning, maintenance, automation, and corporate functions. **Work Location:** Tucumã/PA **Employment Model:** Permanent, CLT \| On-site **Management:** Processing (for internal use) **Grow with us!** \#SomosEro \#TrabalheConosco \#Oportunidade ERO does not charge any fees for participation in its recruitment and selection stages. All applications must be submitted exclusively through our official channels. **Responsibilities and Duties** * Monitor, analyze, and optimize all stages of copper processing — including crushing, grinding, classification, flotation, thickening, and filtration — ensuring operational stability, maximum metallurgical recovery, and cost efficiency. * Prepare, update, and validate mass balances and metallurgical balances (daily, weekly, and monthly), ensuring data reliability and supporting decision-making. * Conduct metallurgical reconciliation between mine, plant, and product, ensuring alignment with production plans and budget. * Monitor and analyze metallurgical, operational, and economic KPIs, identifying efficiency losses, root causes, and opportunities for continuous improvement. * Integrate geological, mineralogical, and metallurgical information to support plant performance forecasting and the development of geometallurgical models for short-, medium-, and long-term planning. * Actively contribute to the development of production plans, annual budgets, forecasts, and Life-of-Mine (LOM) analyses. * Develop, test, and implement new process routes, reagents, flow sheet adjustments, and new technologies aimed at improving recovery, productivity, and cost reduction. * Lead and/or support continuous improvement, expansion, automation, modernization, and greenfield projects, including technical scope definition, equipment sizing, and techno-economic feasibility analysis. * Evaluate operational costs, CAPEX/OPEX estimates, and financial returns of projects and improvement initiatives. * Prepare, review, and standardize operating procedures and technical manuals, ensuring operational uniformity and best practices. * Develop and deliver technical training for operators, technicians, and engineers, promoting a culture of operational excellence. * Provide technical support to operational areas, ensuring compliance with Safety, Health, and Environment (SHE) policies, as well as process stability and reliability. * Serve as senior technical reference, supporting strategic decisions and interfacing with internal functions such as mining, geology, maintenance, automation, planning, and procurement. **Requirements and Qualifications** * Bachelor’s degree in Metallurgical Engineering, Mining Engineering, Chemical Engineering, or related fields; * Strong experience in copper processing operations; * Experience in metallurgical reconciliation, mass balancing, and process control; * Knowledge of geometallurgy; * Proficiency in process analysis and simulation tools and software. **Additional Information** We offer a competitive salary * Profit Sharing Program (PLR) * Private Pension Plan * Medical Insurance * Dental Insurance * On-site meals (at operational units) * Meal Voucher (at offices) * Food Allowance * Transportation * Quality of Life Program * Gympass – Wellhub * Extended Maternity and Paternity Leave (Citizen Company) * Club Membership Agreement — may vary by location * Eyeglass Purchase Assistance for family members Willingness to reside in Tucumã or Ourilândia do Norte/PA #### **We are ERO, one of Brazil’s leading copper and gold producers.** **We are part of a global group headquartered in Canada with a strong presence in Brazil. We operate two copper mines: Caraíba in Bahia and Tucumã in Pará. Additionally, our Xavantina gold mine is located in Mato Grosso.** #### **Our growth is driven by exploration expertise, enabling us to extend the life of our mines and advance new projects such as the Furnas Project in Pará.** #### **In everything we do, our mission is clear:** **to responsibly produce the essential minerals needed for a better future.** #### **We deeply care about the well-being of our people and communities, knowing that caring for one another is one of our greatest values. Beyond Care, we value and cultivate Courage — the courage to innovate, evolve, and confront the challenges ahead.** #### **We are ERO: a company that unites our Brazilian operations with global expertise and diverse perspectives. Together, we are growing stronger, working toward our vision of becoming Brazil’s best mining company.** #### **Join this story!**