Role Overview
This role leads the underground trackless mobile machinery (TMM) maintenance function, ensuring high availability, reliability, legal compliance and operational excellence. The portfolio covers a fleet including LHDs, double boom rigs and associated support equipment.
The position has a dual reporting structure:
- Operational/Commercial: Internal maintenance operations leadership
- Legal/Functional: The mine’s appointed Engineer (MHSA Regulation 2.13), specifically for statutory compliance under the MHSA and Codes of Practice (CoPs).
Role Purpose
To establish and lead a lean, reliable and fully compliant maintenance function for an underground trackless mobile machinery fleet, with strong focus on:
- MHSA and mine CoP compliance
- High equipment uptime and availability
- Data-driven maintenance planning
- Reliability Centred Maintenance (RCM) practices
- Strong field leadership and hands‑on technical oversight
Key Responsibilities
1. Legal & Compliance (MHSA & Codes of Practice)
- Ensure all maintenance practices comply with the MHSA, regulations and relevant CoPs under the oversight of the 2.13 Engineer.
- Maintain legal appointments, task inventories, SOPs, training records and statutory inspections.
- Oversee statutory and OEM inspections, ensuring documentation is accurate and auditable.
- Manage all maintenance inputs into the contractor Safety File.
2. Maintenance Strategy, Planning & Scheduling
- Design and implement a complete maintenance strategy for the underground fleet.
- Establish a robust planned maintenance system including PM schedules, work orders, backlog control and prioritisation.
- Align maintenance activities with production requirements without compromising safety.
- Define critical spares lists, minimum stock levels and manage supplier interfaces such as consignment stock.
3. Breakdown Management & Field Support
- Lead breakdown response and fault‑finding to ensure safe, effective return‑to‑service.
- Conduct root cause analyses on repeat failures and implement corrective actions.
- Be physically present underground and in the workshop to guide artisans and verify repair quality.
4. Reliability, Data & RCM
- Track maintenance KPIs such as availability, utilisation, MTBF, MTTR, PM compliance and component life.
- Apply RCM principles to refine maintenance tasks and inspection intervals.
- Use data trends to improve reliability, reduce repeat failures and optimise component performance.
- Produce weekly and monthly maintenance reports for internal and mine engineering stakeholders.
5. OEM, Supplier & Sub‑contractor Management
- Act as the key technical counterpart to OEMs and suppliers.
- Engage OEMs on performance, standards, warranties and support.
- Participate in technical review meetings and drive accountability and quality.
- Stay open to implementing new technologies that enhance safety and reliability.
6. Leadership & Stakeholder Management
- Lead, coach and manage a small underground maintenance team (artisans, assistants, planner).
- Ensure consistent use of checklists, operator care routines and basic condition monitoring.
- Build strong relationships with mine Engineering, Production and Safety functions.
- Promote a high‑accountability, solutions‑oriented culture.
Qualifications & Experience
Minimum Requirements
- National Diploma or Degree in Mechanical/Electrical Engineering; or
- Trade‑tested Artisan (Diesel Mechanic / Fitter / Millwright) with N6 and strong underground trackless mobile machinery experience.
Preferred / Advantageous
- Experience in foreman or 2.9.2‑type appointments.
- GCC Mines & Works (optional depending on how the role is pitched).
Experience Required
- 8–12 years in mining/heavy industrial maintenance.
- Minimum 5 years in underground mechanised/trackless mining.
- Proven success running planned and breakdown maintenance systems underground.
- Demonstrated machine reliability improvement using data and/or RCM.
- Solid understanding and application of MHSA, CoPs and statutory inspections.
- Experience managing maintenance teams and coordinating OEM/sub‑contractor work.
Skills & Personal Attributes
Technical & Managerial Skills
- Strong knowledge of diesel, hydraulics, electrics, electronics and structural elements of TMM equipment.
- Skilled in maintenance planning, backlog control and spares management.
- Comfortable with CMMS systems and Excel reporting.
- Clear and concise communication skills.
Personal Attributes
- Solution‑oriented and focused on removing root causes.
- High ownership and accountability.
- Calm under pressure with sound decision‑making ability.
- Collaborative yet firm in maintaining safety and standards.
- Strong learner mindset with openness to new technologies.