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. Role Summary The Power System Supervisor oversees the maintenance and operation of the NERC registered Bulk Electric System (BES), Rectifier Station, plant high voltage systems, and Long Sault/Alcoa Utilities (Water Systems). The role provides technical leadership for rectifier stations and high‑voltage substations, ensures reliable 24/7 power delivery, and supports all planned and emergency maintenance activities in coordination with the Power System Controller & Power System Planner. The supervisor will lead a multi-trade team of approximately 10 to 14 employees and coordinate contractors and technical support resources as required. This position is also responsible for maintaining compliance with corporate and OSHA electrical safety standards and for supporting safety assessments and standards development. Key Responsibilities Supervise maintenance and operations of Bulk Electric System (BES), Rectifier Station, plant high voltage systems, and Long Sault/Alcoa Utilities (water system). Maintain 99% equipment and operational reliability. Provide technical direction for high‑voltage equipment maintenance; maintain expertise in new equipment and systems. Support training initiatives to improve reliability of potline and plant power systems. Must be available on a 24-hour 7-day per week basis to respond to system outages and support recovery. Function as Lead Outage Liaison. Maintain open line of communication with his/her counterparts within organization and enhance these practices to foster better collaboration between hourly and salaried teams. Serve as backup to the Power System Controller as needed. Oversee resources in compliance with EHS polices and prioritizes safety, while supporting initiatives such as Behavior-Based Safety, audits, Safety Council activities, and Safety Advisors. Serve as decision maker/SPA for such items as planned maintenance priorities, special transmission and distribution projects, special high voltage upgrade projects, process improvements, and crew scheduling. Provide day-to-day leadership to a multi-trade team that includes electricians, mechanics, technicians, apprentices, and contract resources supporting the plant’s electrical distribution and water utility systems. Coordinate specialized contractors and external resources supporting maintenance, repairs, capital projects, and utility-related work. Required Technical Knowledge High-voltage power systems, electrical distribution systems, rectifier stations, and industrial plant power systems. Bulk Electric System operations, including BES one-line diagrams and associated power flow. Operation, coordination, maintenance, and reliability requirements for power delivery systems. Electrical safety standards, including Alcoa Electrical Safety Standards. OSHA electrical regulations, including 29 CFR 1910.269. Power-system maintenance planning, outage coordination, and emergency system recovery. Spare-parts management and electrical equipment supply requirements. Technical training requirements related to power-system safety, operation, and maintenance. Working knowledge of water utility systems and their interaction with plant utility operations. Qualifications Minimum of five years of relevant experience in high-voltage power systems, electrical distribution, rectifier stations, plant power systems, or a closely related environment. Demonstrated high-voltage system experience is required. Relevant electrical training, trade qualifications, technical education, or equivalent high-voltage experience will be considered. Demonstrated technical leadership in power-system operations and maintenance. Demonstrated ability to lead employees, achieve results, manage changing priorities, and drive continuous improvement. Ability to apply a strong electrical foundation while learning the site’s unique power-distribution, rectifier, and water utility systems. Direct supervision or crew-leadership experience is preferred. Demonstrated ability to develop and deliver technical or safety-related training. Proficiency with Microsoft Office applications, including Excel, Word, PowerPoint, and Outlook, as well as applicable scheduling tools. Base Salary: 76,700 - 115,400 USD annually Total rewards packages listed, including base salary and bonus eligibility, applies to US based applicants only. Actual salaries will vary and will be based on a range of factors, including a candidate’s qualifications, skills, and competencies in conjunction with multiple components of the Employee Total Rewards Package. Alcoa reserves the right to change plans at its discretion. About the Location Our Massena facility in New York State, established in 1902, is home to the longest continuously operating smelter in the world. Located on the St. Lawrence River, Massena, NY is the center for commercial, industrial, and manufacturing success in St. Lawrence County. Massena’s caring sense of community, affordable cost of living, and extremely low-cost locally supplied energy, coupled with four public and private universities nearby, make Massena a great place to call home. And within a two hour drive (or less) are cosmopolitan and historic Montreal and Ottawa, Canada to the north, and to the south are the tall, beautiful views of Adirondacks and within it is Lake Placid The Olympic Village. 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 that our workplaces reflect the diversity of the communities in which we operate.    As a proud equal opportunity workplace and affirmative action employer, Alcoa is dedicated to providing equal opportunities and equal access to all individuals regardless of a person’s gender, age, race, ethnicity, sexual orientation, gender identity, religion, nation of origin, disability, veteran status, language spoken or any other characteristic or status protected by the laws or regulations in the places where we operate.  If you have visited our website in search of information on U.S. employment opportunities or to apply for a position, and you require an accommodation, please contact Alcoa Recruiting via email at gssrecruiting@alcoa.com.  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. Application close date is: 31 October 2026, however Alcoa reserves the right to change this date at its discretion. Shape your Career at Alcoa! As an Alcoan you are part of a global team committed to advancing sustainability and delivering excellence and innovation. As a values-based company, we Act with Integrity, Operate with Excellence, Care for People, and Lead with Courage. Join us and become an essential part of our purpose: to turn raw potential into real progress. We treat all people with dignity and we believe in inclusion, diversity and enabling all employees to grow and develop their careers with us, where they can pursue their passions. Discover the possibilities a career with Alcoa can have for you. Come shape your career with us! Careers @ Alcoa Sustainability @ Alcoa What we Believe in Diversity & Inclusion We also invite you to create an automated personalized Job Alert. It’s easy to do, new open jobs will automatically come to you! Press the “Sign In” button at the top right of this page and the log in screen will appear. If you have not already created an account, please do so now. It's easy. At the bottom right it will say “Create Account”. Simply click on that, submit your email address and a password. You will receive an email to validate your request. Once that is done when you log in you will see a tab at the top right that says “Job Alerts”. Click on that tab and check all your job preferences. All relevant open Alcoa jobs will come to you via email automatically as soon as they are live. How great is that? In addition, we will update you via email on a regular basis about what is going on at Alcoa based upon your interests!

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