Senior Maintenance Planner, Reliability Engineer, Darwin

Senior Maintenance Planner, Reliability Engineer Core Lithium Ltd Darwin NT Mining - Engineering and Maintenance (Mining, Resources and Energy) Full time Competitive Base + STI Senior Maintenance Planner/Reliability Engineer - Fixed Plant Maintenance Finniss Lithium Operation, 88 km south of Darwin near Berry Springs 5/2 Roster, Drive-in/Drive-out (home every night)| Relocation Support Available Core Lithium has now reached Final Investment Decision (FID), marking the official restart of the Finniss Lithium Operation and the next phase of growth. As we power back into production, this is an opportunity to be part of recharging a critical operation at the centre of the global battery supply chain. Our preference is to build a long-term, Darwin-based workforce, offering residential drive-in, drive-out roles that allow you to be home every night. We also recognise the value of broader talent and welcome applications from candidates open to relocating to Darwin (with relocation support available). About the Opportunities We are seeking a Senior Maintenance Planner/Reliability Engineer to support the performance and reliability of our Finnis lithium processing plant as we restart operations. Reporting to the Processing Manager and working closely with the Production Superintendent and plant leadership team, this role will focus on improving reliability, maintenance effectiveness, and equipment performance across our plant. You will support both the Dense Media Separation (DMS) circuit and the crushing and dry plant, playing a key role in establishing maintenance strategies, identifying improvement opportunities, and supporting long-term plant reliability. This is a Darwin-based residential role on a 5:2 roster, 10 hour days, offering the opportunity to be home every night. Relocation support is available for the suitable candidate. Key Responsibilities Develop and implement reliability and maintenance strategies across the plant Analyse equipment performance and identify improvement opportunities Drive preventative and predictive maintenance programs Work closely with maintenance and operations teams to optimise plant performance Conduct root cause analysis and failure investigations Ensure planning and scheduling of maintenance activities meets required standards Contribute to continuous improvement initiatives across plant systems Ensure maintenance practices align with safety and operational standards About You You are a technically strong engineer with a focus on reliability, maintenance, and plant performance in a processing environment. You will bring: Degree in Mechanical Engineering or related discipline / trade Experience in fixed plant maintenance or reliability engineering Exposure to mineral processing plants (DMS experience highly regarded) Experience with crushing and/or dry plant equipment Strong analytical and problem-solving skills Ability to work collaboratively with operations and maintenance teams Commitment to safety and continuous improvement Valid Australian driver’s licence About Core Lithium Core Lithium is an ASX-listed resources company focused on the restart of the Finniss Operation near Darwin in the Northern Territory. With open pit mining at the Grants deposit targeted to recommence in May 2026, feeding the site’s existing lithium processing plant, and underground development at BP33 planned later in the year, the operation is entering an important new phase of production. As part of this restart, Core Lithium is undertaking a significant recruitment campaign to rebuild the operational workforce across mining and processing. We are seeking expressions of interest from individuals who are Darwin-based or interested in relocating to the Northern Territory to join the operation on a residential drive-in/drive-out rosters, with relocation assistance available for suitable candidates.