Greg McCallum

Grout plant operator, Ring Builder, Batchplant operation at John Holland CPB Contractors Ghella Joint Venture | Sydney Metro West – Eastern Tunnelling Package

Health, Safety, Systems and Governance Advisor

Quality Assistant

Health, Safety, Wellbeing, and Rehabilitation Manager

Mechanical Engineer

Boilermaker

Logistics/Yard Foreman

Grout plant operator, Ring Builder, Batchplant operation

Executive Assistant

Mechanical Supervisor

Site Superintendent