Mechanical Supervisor – Weekend TBM Operations

About the role

ACCIONA is delivering the Western Harbour Tunnel – Stage 2 in Sydney. The Mechanical Supervisor will lead all TBM mechanical activities during weekend shifts (Friday‑Monday), ensuring safe and continuous tunnelling.

Key responsibilities

• Supervise TBM mechanical work across all phases of the project.
• Lead, mentor and coordinate mechanics and maintenance crews on rotating weekend rosters.
• Diagnose and resolve mechanical and hydraulic faults in TBM systems such as cutterhead, slurry circuit, thrust, cooling, pumps and auxiliary plant.
• Plan, prioritize and execute maintenance and repair actions while complying with OEM and project requirements.
• Apply and enforce safety, quality and environmental processes, and complete required inspections, reports and audit documentation.

Required profile

• Trade qualification in a mechanical field.
• Prior experience on major infrastructure projects, preferably with TBM or heavy plant maintenance.
• Proven ability to lead teams on rotating rosters.
• Strong commitment to safety and quality standards.

Required skills

• TBM mechanical and hydraulic systems knowledge.
• Slurry shield TBM experience.
• Heavy plant maintenance.
• Mechanical troubleshooting and repair.