Mechanical Supervisor

CSI can offer you!

• World Class Facilities: Experience mining excellence at sites equipped with cutting-edge facilities – enjoy award-winning meals crafted by MinRes’ own professional chefs.
• Career Development: We are committed to your professional growth. Upskill, lead, and thrive through industry-leading training, mentoring, and leadership development programs.
• Comprehensive Benefits: We value what matters most. Access a range of benefits designed to support your family, health, wellbeing, lifestyle, and financial future.

The OpportunityCSI are seeking an experienced Mechanical Supervisor to provide support and supervision to a team of high-performing maintenance crew at our Kwinana workshop. You will be responsible for ensuring safe, efficient and high-quality maintenance activities. This crucial supervisory role ensures the reliability and performance of our fixed plant and mobile equipment.

We are seeking a people-focused leader who can will provide structure, direction, and support. While a solid mechanical background is important, this role is best suited to a supervisor who is passionate about people leadership and can effectively lead a highly skilled team to achieve strong workshop outcomes.

This role is a full-time permanent role, on a Monday to Friday work roster.

Your primary responsibilities will include:

• Supervise and coordinate day-to-day mechanical activities within the Kwinana Workshop, ensuring work is completed safely, efficiently, and to a high standard.
• Lead workshop-based maintenance, repair, rebuild, and assembly of fixed plant and processing equipment, including crushers, screens, conveyors, pumps, and associated components.
• Plan labour, materials, tooling, and job priorities to meet workshop schedules and operational deadlines.
• Monitor job progress, quality, and productivity, ensuring work is completed in line with specifications, drawings, and company standards.
• Provide hands-on leadership, technical guidance, and support to tradespeople, apprentices, and contractors.
• Oversee inspections, fault finding, and component assessment to identify repair requirements and support reliable outcomes.
• Ensure all maintenance records, work orders, inspection reports, and workshop documentation are completed accurately and on time.
• Maintain high standards of safety, housekeeping, and compliance across the workshop, including adherence to permits, isolations, and lifting requirements.
• Coordinate with planning, procurement, and operational teams to ensure parts, resources, and workshop deliverables are aligned with business needs.
• Drive a culture of accountability, continuous improvement, and team development through strong leadership, coaching, and mentoring.

What is required?

• C Class Driver’s Licence.
• Schedule 26 (mandatory).
• Current First Aid certification.
• Experience with computerised maintenance management systems (CMMS).
• Experience in rebuilds of crushers, exciters, screens, pulleys and fixed plant components.
• Required to work 6-4High Risk Work licences (e.g., crane, forklift, EWP, rigging).
• Certificate IV or Diploma in Frontline Management or equivalent.
• Relevant Trade Qualification and Supervisory Courses.
• Sound mechanical knowledge or trade background.
• Previous experience working in a Crushing Plant or similar Fixed Plant environment in a supervisory capacity.
• Australian work rights.

About CSI Mining ServicesA wholly owned subsidiary of Mineral Resources Ltd (ASX: MIN), CSI Mining Services is a leading provider of pit-to-ship mining services unique to the resources industry. As one of Australia’s largest mining services contractors, CSI supports MinRes projects and external clients by providing capital infrastructure and whole-of-life operational expertise. CSI operations in Western Australia and Queensland.

Kwinana Workshop and Logistics Hub

Located south of Perth, the Kwinana Workshop is the largest facility of its kind in Western Australia and undertakes the fabrication of mining and processing plants as well as fixed and mobile equipment maintenance. The workshop services MinRes and client sites.

At MinRes, the future's bright. Be part of our next chapter.