At Nexa, we value and promote plurality in all its forms! In line with our commitment to diversity and inclusion, we encourage applications from **women** for this position. Therefore, we encourage all qualified individuals to apply, regardless of gender, identity, or any other characteristic, and join our team for the **Senior Maintenance Engineer** role at Nexa, located at our **Três Marias** unit. We are a company that connects and aligns its business with society's needs. This is our way of developing mining—always connected to change, with committed, inspired people in constant development. Join Nexa and be part of a mining company that moves with the world! **Responsibilities and attributions** * Manage inspections and maintenance of pressure equipment, ensuring compliance with regulatory standards. * Supervise compressor and compressed air system contracts, ensuring efficiency and performance. * Monitor and optimize boiler efficiency and utility systems (compressed air, steam, water, refrigeration, and industrial gases). * Ensure reliability and availability of electrical systems (medium and low voltage, substations, transformers, motor control centers, and panels). * Ensure adherence to corporate maintenance processes and guidelines. * Analyze KPIs, conduct RCAs and functional failure analyses, implementing corrective and preventive actions. * Provide technical support to the team in solving electrical and utility issues. * Ensure compliance with internal and regulatory standards (NR10, NR13, ISO 50001, ISO 14001). * Contribute to budget planning and maintenance cost control for electrical systems and utilities. * Maintain updated systematic plans and technical lists, ensuring standardization and traceability of electrical and utility systems. * Assess functional and material criticality (ABC/XYZ), defining failure modes and technical criteria. * Analyze cost vs. risk and support spare parts purchasing decisions. * Specify equipment, develop and monitor OPEX/improvement projects. * Act as a technical reference for maintenance supervisors, inspectors, and planners. * Participate in commissioning and technical handover of new projects/assets (Sustaining or Engineering). * Develop and review technical specifications and scopes for service procurement, as well as provide technical clarifications during purchasing processes. * Develop new strategic suppliers and materials, ensuring quality and competitiveness. * Maintain the preventive maintenance program for electrical and utility systems, ensuring full traceability and complete technical history. * Monitor internal and external repairs of critical assets and compliance with technical warranties. * Provide technical support in the preparation and analysis of investments (CAPEX) related to sustaining and new equipment (60-month plan). * Propose annual maintenance targets and monitor their execution. * Promote the dissemination of best practices and lessons learned across technical areas. * Foster a culture of safety, reliability, and operational sustainability. **Requirements and qualifications** **Required qualifications** * Degree in Electrical Engineering or related fields. * Professional with solid experience in electrical maintenance and industrial utilities, preferably in mining, metallurgy, and/or steel plants. * Proficiency in ERP SAP PM, Power BI, MS Office, Minitab, and maintenance management tools. * Knowledge of standards and legal requirements such as NRs (NR10, NR13, etc.), ISO 9001, 14001, 45001, 50001, 55001, and NBR 5410, 5419, 14039. * Knowledge of risk management and analysis tools. * Previous experience as a maintenance engineer, focusing on failure analysis, maintenance processes, optimization of plans, energy efficiency, and asset management. **Desirable qualifications** * Postgraduate degree in Maintenance Engineering or Reliability will be considered an advantage. * Knowledge of methodologies such as RCM, FMEA, FMECA, RCA, FTA, 5W2H, statistical analyses, and predictive techniques. * Experience in continuous improvement and reliability projects. **Key Competencies** * Systemic and analytical mindset. * Focus on results and reduction of variability. * Ownership attitude and investigative approach. * Ability to coordinate between technical areas, procurement, processes, and projects. * Technical leadership and influence without authority. * Commitment to safety, quality, and operational sustainability. **Additional information** ***Nexa believes in promoting a plural environment where everyone feels comfortable and welcome to be themselves.*** We are one of the world’s largest zinc producers! We have over 60 years of experience operating and developing mining and metallurgical assets. Our purpose is to integrate mining into a constantly changing world as an opportunity for sustainable development. We operate 8 facilities distributed between Brazil and Peru—3 refineries and 5 mines—including the largest underground zinc mine in Peru (Cerro Lindo) and the largest zinc refinery in the Americas (Cajamarquilla). As a result, we account for 4% of global zinc production and are the only producer of metallic zinc in Latin America, excluding Mexico. We also produce copper, lead, silver, and gold as by-products. Nexa, mining that changes with the world.