Job Description

We are seeking an experienced Leak Injection / Crack Injection Technician with concrete repair experience to perform remedial injection work for structural and concrete restoration projects.

Key responsibilities n

Diagnose leaks and crack pathways in concrete surfaces and structures

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Prepare surfaces for injection (cleaning, sealing, staging)

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Install injection ports/packers and perform injection using approved materials

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Mix, handle, and apply injection materials per specification/SDS

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Follow safety procedures and project documentation requirements

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Coordinate with crews, supervisors, and customers to ensure correct scope completion

About you n

Proven experience with leak injection and/or crack injection in concrete repair





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Robust knowledge of concrete repair methods and site work practices

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Ability to read and follow job specifications, labels, and technical instructions

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Familiarity with common injection systems/materials (epoxy, polyurethane, gels/other systems)

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Valid driver's license and ability to travel to job sites, if required

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Experience in waterproofing, restoration, sealing, or structural repair environments

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Ability to troubleshoot failures and adjust methods on-site

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📌 Leak Injection / Crack Injection Technician (Concrete Repair) (Melbourne)
🏢 SIS
📍 Melbourne