Shape Your World At Alcoa, you will become an essential part of our purpose: to turn raw potential into real progress. The way we see it, every Alcoan is a work-shaper, team-shaper, idea-shaper & world-shaper. This is your opportunity to help share the future of sustainability with world-changing innovations and low-carbon technologies. Become an important part of the team shaping the future of aluminum—revolutionizing how the world lives, builds, moves, and progresses. Be part of it—and shape your world. About the Opportunity: Alcoa is seeking a Maintenance Supervisor to join our team at the Alumar facility in the Reduction area in São Luís, Maranhão, responsible for: * Coordinating corrective maintenance activities and electrical and/or mechanical maintenance services performed by teams under their supervision, ensuring operational areas achieve established production targets while maintaining standards of efficiency, low cost, safety, quality, and environmental protection; * Promoting team development and ensuring a harmonious work environment; * Aligning operational groups toward a common direction and collaborating with maintenance and planning departments to efficiently meet or exceed departmental and corporate objectives related to safety, health, environment, quality, and production—at minimum cost; * Leading EHS (Environment, Health, and Safety) programs within their area of responsibility, ensuring achievement of company policy objectives through full engagement of direct and indirect reports and other stakeholders (e.g., contractors), aiming to reduce incident rates, improve employee health, and decrease environmental incidents; * Balancing operational maintenance interventions to maximize equipment availability; * Ensuring team commitment to the company’s safety, quality, and environmental control standards by adhering to operational routines, inspection procedures, and application of EHS tools (Environment, Health, and Safety). What You Can Bring to This Role: * Technical education in Mechanical Engineering, Electromechanical Engineering, or related fields; * Preferred: Advanced English (reading, writing, and speaking); * Experience in preventive maintenance and people management skills; * Safety-oriented and organized profile. What We Offer: * Global leader in sustainability and operational excellence * Competitive compensation and benefits packages * Long-term career development opportunities across our local and global operations * As a values-based company, we act with integrity, operate with excellence, care for people, and lead with courage * Recognized as one of the best companies to work for by the Great Place to Work program * Recognized by the Exame Diversity Guide as a company with leading practices in inclusion, equity, gender, ethnicity, race, persons with disabilities (PwD), and LGBTQIA+ individuals Application Deadline: 12/16/2025 About the Location The Alumar Consortium, managed by Alcoa and located 25 kilometers from the center of São Luís–MA, began operations in 1984. It comprises companies with longstanding expertise in alumina and aluminum production, holding varying stakes in the two plants that constitute the Complex. At Alcoa, we are committed to generating value in our relationships with all stakeholders—including our business partners, communities, and the environment. We build inclusive and secure environments so our people can live and express themselves authentically. To attract and retain diverse talent, the company maintains inclusion groups that promote internal and external initiatives to value human diversity and plurality—enriching our own values. We are values-led, vision-driven, and united by our purpose of transforming raw potential into real progress. Our commitments to Inclusion, Diversity & Equity include providing trusting workplaces that are safe, respectful, and inclusive of all individuals—free from discrimination, bullying, and harassment—and ensuring our workplaces reflect the diversity of the communities where we operate. This is a place where you are empowered to do your best work, be your authentic self, and feel a true sense of belonging. Come join us and shape your career! Your work. Your world. Shape them for the better.