Senior Mobile Maintenance Planner

New Simberi Gold forms part of the St Barbara Group. Our Simberi Operations consists of an open cut mine on the northernmost island in the Tabar group of islands in the province of New Ireland in Papua New Guinea. Our vision is to grow sustainably and create enduring, positive impacts for the people and communities touched by our operations.

Now is an exciting time for our business and for our people. We’re going through a period of significant change and are gaining momentum in transforming our business. We’re looking for people who are ready to grow through opportunity and build a bright future with us.​​

We are currently seeking a Senior Mobile Maintenance Planner to join our Mobile Maintenance team on a permanent full-time position at our Simberi Operation. Your work location is Papua New Guinea, working a 21/14 Roster from Kavieng, Rabaul, Port Moresby, Lae, Mt Hagen, Buka, Madang, Goroka, Alotau, Wapenamanda, Popondetta, Hoskins, Wewak, Vanimo, or Tabar group of Islands. (Locals are encouraged to apply).

Reporting to the Planning Specialist Mobile Maintenance, the Senior Mobile Maintenance Planner is responsible for leading, developing and coordinating short-term and long-term maintenance planning and scheduling activities for the mine's mobile equipment fleet to maximise equipment availability, reliability and operational performance.

The opportunity

Technical Accountabilities

• Develop, review and maintain comprehensive preventative and corrective maintenance strategies for the mining mobile equipment fleet to maximise equipment reliability, availability and performance.
• Lead the development of short-term and long-term maintenance plans for mobile equipment, including Caterpillar and Komatsu fleets.
• Develop detailed maintenance shutdown plans for major mobile equipment, including shovels, haul trucks and other supporting mining equipment.
• Review equipment condition monitoring reports, inspection findings, maintenance history and reliability data to identify emerging defects, recurring failures and required corrective actions.
• Identify opportunities to improve equipment reliability, reduce maintenance costs and optimise preventative maintenance intervals and strategies.
• Prepare detailed maintenance work packages, including scope of work, parts requirements, labour estimates, tooling, equipment, technical procedures and cost estimates.
• Ensure maintenance work orders are technically accurate, adequately scoped and supported by the necessary resources before being released for execution.

 Scheduling accountabilities

• Develop, coordinate and maintain short-term, medium-term and long-term maintenance schedules for the mobile equipment fleet to maximise equipment availability and reliability.
• Prepare and manage weekly maintenance schedules, ensuring preventative, corrective and breakdown maintenance activities are effectively prioritised and coordinated.
• Develop integrated shutdown schedules for major mobile equipment, including shovels, haul trucks and supporting mining equipment.
• Prepare detailed maintenance schedules and Gantt charts, identifying job duration, labour requirements, equipment, materials, tooling and resource constraints.
• Coordinate maintenance schedules with Mining Operations to align equipment availability, production requirements and planned maintenance windows.
• Ensure all planned maintenance work is adequately scoped, resourced and ready for execution before being included in the approved schedule.
• Monitor daily and weekly maintenance execution against approved schedules, identify delays and constraints, and coordinate corrective actions to minimise schedule disruption.
• Lead weekly maintenance planning and scheduling meetings with Maintenance Supervisors, Mining Operations, Warehouse and other relevant stakeholders.
• Review and prioritise outstanding work orders, backlog levels and deferred maintenance to ensure critical maintenance activities are addressed within appropriate timeframes.

 People Accountabilities

• Provide leadership, guidance and mentoring to maintenance planning personnel to ensure effective planning and scheduling practices are consistently applied.
• Work collaboratively with Maintenance Supervisors, Mining Operations, Warehouse, Supply and other departments to ensure alignment of maintenance priorities and operational requirements.
• Build and maintain effective working relationships with internal stakeholders, contractors, suppliers and Original Equipment Manufacturers (OEMs).
• Provide technical guidance and support to maintenance personnel to improve maintenance planning capability, work execution and equipment reliability.
• Promote accountability, teamwork and a high-performance culture within the maintenance planning function.
• Identify training and development requirements for planning personnel and support the implementation of appropriate competency development programs.

Are you ready to come and build your future with us?

We need the best people. People who have drive, energy and are genuinely passionate about the work they do and provide a positive impact. Additionally, we need people who see a challenge as an opportunity for growth and value working with others towards a common goal.​

We would love to hear from you if you have​:

Essential

• Behavior consistent with St Barbara’s Values
• Trade qualification in Mobile Plant Maintenance, Heavy Diesel Fitting or Mechanical Engineering.
• Minimum five (5) years' experience in mobile equipment maintenance planning and scheduling.
• Experience developing short-term and long-term maintenance plans and schedules.
• Strong knowledge of preventative, corrective and shutdown maintenance planning.
• Good computer skills and ability to use maintenance management systems (CMMS).
• Strong planning, organisational and time management skills.
• Good analytical and problem-solving abilities.
• Excellent verbal and written communication skills.
• Ability to coordinate, supervise and work effectively with employees and contractors.
• Strong understanding of workplace health and safety requirements.

Desirable

• Supervisory qualification or relevant leadership training
• Experience using Pronto CMMS
• Experience with Liugong, Volvo or other heavy mobile equipment
• Experience in mining or remote site operations.
• Knowledge of maintenance budgeting and cost control
• Experience in equipment reliability and maintenance improvements programs
• Training or qualifications in maintenance planning and scheduling

For further information on the Simberi Operations and to apply for this role, please visit:

https://www.livehire.com/job/stbarbara-png/YYRPX

Closing date: Saturday, 14 November 2026 at close of business.

Please submit your Applications, CVs, and Supporting documents (all merged in one PDF document)

At New Simberi Gold, we’re committed to finding the best fit for every role. We are a diverse and inclusive workplace, welcoming diversity in all its forms. All qualified applicants will be given equal consideration, regardless of their race, national origin, gender, age, religion, disability, sexual orientation or gender identity.