Supervisor Maintenance

Discover a Brighter Future 

At South32, we are meeting the challenge of enabling a sustainable future through our focus on responsibly producing commodities critical for a low-carbon world.

As a collaborative, caring and inclusive company, there is no better place to make a genuine difference. Together we are making a positive, global impact that has the potential to change lives.

Whatever career path you choose, we will support you every step of the way to learn, grow and succeed. So, join us, step towards a brighter future and leave your legacy.

ABOUT Hermosa

Hermosa, located approximately 75 miles south-east of Tucson, Arizona, is the only advanced mining project in the United States as of 2023 that could produce two federally designated critical minerals—manganese and zinc—as well as silver and lead. The project has the potential to help power the nation’s clean energy future, strengthen the domestic supply chain of critical minerals, grow the local economy, and improve lives in Santa Cruz County and the surrounding community for generations to come. 

ACERCA de Hermosa

Hermosa, ubicado a aproximadamente 75 millas al sur este de Tucson, Arizona, es el único proyecto de minería avanzada en los Estados Unidos hasta la fecha que puede producir dos minerales designados como críticos por el gobierno federal: manganeso y zinc, así como también plata y plomo. El proyecto tiene el potencial de ayudar a impulsar el futuro energético limpio del país, reforzar la cadena de suministro nacional de minerales esenciales, hacer crecer la economía local y mejorar la calidad de vida en el condado de Santa Cruz y en las comunidades aledañas para las generaciones venideras.

WHAT SOUTH32 OFFERS

• Annual short-term incentive bonus that recognizes both your individual performance and the overall success of the business. 
• When you choose to contribute more into your retirement savings, South32 will match it up to a certain percentage.
• South32 provides you with 4 weeks paid time off.
• 12 weeks full-paid parental leave for primary carers and 2 weeks full-paid parental leave for secondary carers

ABOUT THE ROLE   

As a Maintenance Supervisor, you will provide frontline leadership for maintenance activities supporting the Hermosa Project's fixed plant and mobile equipment fleet. You will be responsible for safely executing maintenance plans, leading and developing maintenance personnel, and ensuring equipment reliability through effective planning, coordination, and continuous improvement.

Working closely with Operations, Planning, and Maintenance teams, you will oversee the execution of daily, weekly, and monthly maintenance activities while ensuring compliance with safety standards, OEM requirements, and company procedures. This role is site-based position located at the Hermosa Project near Patagonia, Arizona

Key Responsibilities

Safety Leadership

• Promote and maintain a strong safety culture by ensuring all maintenance activities are completed safely and in compliance with company policies and regulatory requirements.
• Lead by example through visible safety leadership and active participation in safety meetings, inspections, and risk assessments.
• Coordinate and conduct workplace inspections, safety meetings, and corrective actions as required.
• Ensure team members have the training, tools, and resources necessary to perform work safely and effectively.

Maintenance Execution & Planning

• Lead the safe and efficient execution of planned maintenance activities for fixed plant and mobile equipment.
• Integrate weekly and monthly maintenance plans into effective daily shift plans.
• Communicate daily work priorities and ensure maintenance activities are completed as scheduled.
• Collaborate closely with Maintenance Planners to optimize schedules and minimize impacts to future maintenance plans.
• Provide detailed feedback and documentation to support ongoing planning and scheduling improvements.
• Monitor work in progress, identify potential issues, and implement corrective actions when necessary.

Team Leadership & Development

• Provide day-to-day leadership, coaching, and support to maintenance personnel.
• Set clear performance expectations and hold team members accountable for safety, quality, productivity, and equipment care.
• Conduct employee performance evaluations and support employee development and training initiatives.
• Address performance concerns, documentation requirements, and employee relations matters in partnership with Human Resources and site leadership.
• Foster a collaborative, respectful, and high-performing work environment.

Communication & Coordination

• Maintain effective communication with Operations, Planning, Engineering, and Maintenance teams to ensure alignment of priorities.
• Collect, document, and communicate accurate maintenance information in a timely manner.
• Participate in planning and coordination meetings within assigned areas of responsibility.
• Utilize SAP and Microsoft Office applications to manage work execution, reporting, and documentation.

Continuous Improvement

• Identify opportunities to improve maintenance efficiency, equipment reliability, and work execution processes. 
• Support implementation of maintenance best practices and adherence to OEM recommendations.
• Assist in resolving operational and maintenance issues through effective troubleshooting and problem-solving.
• Perform other duties as assigned.

ABOUT YOU   

You are a hands-on maintenance leader who thrives in a fast-paced industrial environment. You have a strong commitment to safety, enjoy developing teams, and can effectively coordinate maintenance activities to support safe and reliable operations.

Required Qualifications

• High School Diploma or GED.
• Minimum of five (5) years of maintenance experience in an industrial, mining, processing, or heavy equipment environment.
• Ability to pass a background check and drug screening.
• Proficiency with Microsoft Office applications.
• Working knowledge of maintenance management systems; SAP experience preferred.
• Knowledge of supervisory practices and team leadership principles.
• Strong problem-solving skills with the ability to resolve day-to-day issues involving equipment, materials, methods, and work processes.
• Working knowledge of applicable MSHA regulations and safety requirements.
• Strong written and verbal communication skills.
• Ability to effectively coordinate work across multiple stakeholders and priorities.

South32 is committed to building and maintaining an inclusive and diverse workforce that reflects the communities in which we operate. We provide a recruitment process that is fair, equitable and accessible for all and we encourage candidates from all backgrounds to apply.

South32 está comprometido a cimentar y mantener una plantilla de trabajadores diversa e inclusiva que refleje las comunidades en las cuales trabajamos.  Proporcionamos un proceso de contratación que es justo, equitativo y accesible para todos y alentamos la aplicación de candidatos de todas las procedencias.