Planner, Maintenance
Date: Feb 24, 2026
Location: Patagonia, AZ, US, 85624
Company: South32 Group Operations Pty. Ltd.
Discover a Brighter Future
At South32, we’re 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’s no better place to make a genuine difference. Together we’re making a positive, global impact that has the potential to change lives.
Whatever career path you choose, we’ll 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
The Maintenance Planner is responsible for developing, coordinating, and communicating the maintenance plan for all fixed and mobile equipment within the operational area, in alignment with South32 SAP Work Management processes. This role ensures that maintenance activities follow established company standards and industry best practices to support safety, asset reliability, and the achievement of production and business objectives.This role is based at the Hermosa Project site, near Patagonia, Arizona.
Other key responsibilities include, but aren’t limited to:
Safety
- Ensure full compliance with work‑management processes to support safe work practices, minimize risk exposure, and meet all statutory and regulatory obligations.
- Identify material safety risks, verify that critical controls are implemented and effective, and demonstrate strong situational safety awareness.
- Confirm that all deployed work adheres to legal requirements, safety standards, and established safe‑work procedures.
Technical
- Facilitate the development of maintenance work scopes that are safe, environmentally responsible, and sufficiently detailed to support efficient and repeatable execution.
- Create and plan work orders that enable effective deployment of personnel, service providers, equipment, and materials.
- Build and communicate accurate work schedules that reflect all work‑management activities, properly resource requirements, and align with the 12‑week planning window.
- Request and govern changes to work‑management master data based on equipment strategy reviews, failure analysis, and correction of data‑quality issues.
- Develop secondary task lists for recurring work to support consistent planning and safe execution.
- Review compliance with work‑management processes across all sub‑functions and engage stakeholders to address gaps or nonconformance.
- Contribute to continuous improvement initiatives within the asset‑management strategy.
- Monitor and report on maintenance costs, budgets, and forecasting cycles to ensure accuracy and adherence to expectations.
- Collaborate proactively with the production/operations teams to develop and maintain the Major Events Calendar.
Leadership
- Ensures sufficient time is spent observing, coaching, setting standards, and providing feedback to frontline employees and contractors to maintain consistency and quality control.
- Acts as a change agent for new South32 and internal initiatives related to work management and continuous improvement.
- Develops and mentors individual team members, promoting a culture of continuous improvement by encouraging participation and input during meetings and discussions.
ABOUT YOU
You will have experience and demonstrate capability in the following:
- High school diploma or equivalent required.
- Significant relevant work experience in maintenance planning, master data management, reliability engineering, or related fields may be considered in place of a degree.
- Proficiency in work management systems (SAP or equivalent ERP software).
- Strong analytical skills with data interpretation and asset strategy development.
- Drive company vehicle and be covered under company insurance
Prefered Technical/Specialist Skills:
- Associate’s or bachelor's in mechanical/electrical/industrial engineering, Maintenance Management, or related field; or equivalent experience.
- Experience in heavy industry, mining, or manufacturing environments.
- Certification in project management (PMP), asset management (ISO 55000), or maintenance planning.
- Knowledge of reliability-centered maintenance (RCM), preventive & predictive maintenance (PM/PdM), and industry best practices
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 una proceso de contratación que es justo, equitativo y accesible para todos y alentamos la aplicación de ce across all trades;andidatos de todas las procedencias.
Nearest Major Market: Nogales