Maintenance Planner Operational Readiness

Maintenance Planner Operational Readiness

Company: South
32 Group Operations Pty. Ltd.

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.

• 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, South
  32 will match it up to a certain percentage.
• South
  32 provides you with 4 weeks paid time off.
• 12 weeks full-paid parental leave for primary careers and 2 weeks full-paid parental leave for secondary careers.

This role is a Permanent position based at the Hermosa Project site, near Patagonia, Arizona.

• Build and validate equipment maintenance strategies and task lists.
• Develop detailed work instructions to support safe and efficient execution.
• Ensure alignment with reliability-centered maintenance (RCM) principles.
• Conduct criticality assessments on assets to determine risk and prioritization.
• Categorize equipment based on operational impact, safety, failure modes, and cost implications.
• Use criticality rankings to drive maintenance strategy development and resource allocation.
• Create and maintain material master data in the ERP system (e.g., SAP).
• Establish and manage material master data, critical components, and inventory strategies.
• Collaborate with procurement and inventory teams to optimize stock levels.
• Ensure accurate and complete master data entry for maintenance activities.
• Support work management system improvements by refining data structures.
• Provide data-driven insights to improve asset reliability and planning efficiency.
• Execute preventive, predictive, and corrective maintenance plans.
• Establish and maintain weekly and quarterly work schedules.
• Ensure work orders are properly documented, approved, and prioritized.
• Develop and manage shutdown work scopes to minimize downtime.
• Coordinate and oversee contractor mobilization and execution.
• Ensure compliance with company policies, safety regulations, and budgetary constraints.
• Analyze work management metrics to identify process improvement opportunities.
• Participate in feedback loops to optimize maintenance strategies.
• Support reliability initiatives through data-driven decision-making.

• Associate’s or Bachelor’s degree in Engineering, Maintenance, Operations Management, or a related field. (preferred)
• 5-10 years experience in maintenance planning, master data management, reliability engineering, or related fields.
• Experience in heavy industry, mining, or manufacturing environments.
• Certification in project management (PMP), asset management (ISO 55000), or Certified Maintenance & Reliability Professional (CMRP).
• Knowledge of reliability-centered maintenance (RCM), preventive & predictive maintenance (PM/PdM), and industry best practices.
• 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.
• Ability to communicate effectively and collaborate with cross-functional teams.

South
32 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.