Mechanical Supervisor in Geelong

QEST Infrastructure is an Australian-owned company with over 20 years of experience delivering specialist Environmental, Infrastructure, Geotechnical and Industrial expertiseacross Victoria, South Australia and Queensland.

With a modern fleet, advanced technology and ISO-certified systems, QEST provides integrated solutions across drilling, underground asset management, surveying, remediation, civil infrastructure, demolition and decommissioning, energy and asset infrastructure, environmental resource management and industrial services.

Backed by over 250 skilled professionals, QEST is driven by safety, innovation and client satisfaction—building lasting partnerships through quality, reliability and technical excellence.

The Role

QEST is seeking an experienced Mechanical Supervisor to support our growing portfolio of projects across the petrochemical and water industries.

With multiple maintenance and construction projects currently underway, this is an excellent opportunity to join a growing business and play a key role in delivering high-quality mechanical works across a range of industrial environments.

Key Responsibilities

• Supervise and coordinate mechanical installation works across maintenance and construction projects.
• Lead and coordinate work crews of up to 20 personnel at a time.
• Read and interpret isometric drawings, P&IDs and general arrangement (GA) drawings.
• Plan and coordinate daily work activities to ensure project milestones and deadlines are achieved.
• Ensure all mechanical works are completed to a high standard of quality and in accordance with project specifications.
• Promote and maintain a strong safety culture, ensuring compliance with site-specific HSE requirements and procedures.
• Coordinate labour, equipment and materials to maximise productivity and minimise downtime.
• Work closely with project management, engineering and site teams to ensure the successful delivery of works.

About You

• Minimum 3 years’ experience in mechanical supervision within industrial maintenance and/or construction environments.
• Experience in the petrochemical, water or similar heavy industrial sectors.
• Strong leadership, communication and workforce coordination skills.
• Demonstrated ability to supervise crews of up to 20 personnel.
• Ability to read and interpret isometric drawings, P&IDs and GA drawings.
• A strong commitment to workplace health, safety, quality and productivity.
• Ability to work flexible hours, including 40–60 hours per week when required, depending on project demands.
• What’s on Offer
• Competitive salary commensurate with your skills and experience.
• Be part of a growing business with an expanding portfolio of industrial projects.
• Work across a diverse range of maintenance and construction activities.
• Take an active role in building and developing a strong site team.
• Contribute to a business focused on safety, quality and delivering results.
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