Staff Training

DDT Liners has been providing services to the geosynthetic industry for over 20 years


DDT Liners has been providing services to the geosynthetic industry for over 20 years. In that time, we have seen many industries grow and change. During this time of change we continuously advocate and implement improvements to the installation and training processes within our industry.

Our staff hold a large number of Industry relevant Generic and Specific Certificates, Competencies & Inductions.  They receive regular training to improve their knowledge and work performance.

Some of the training competencies our staff hold include:

• Site Specific Induction & Training • Mine Supervisor Training • Risk Assessment Training • 4WD Driver Training
• Defensive Driver Training • IAGA – Certified Welding Technician • Construction White Card • First Aid & CPR
• Generic Coal Induction • Coal Board Medical • Working at Heights • Confined Space entry
• Dogging & Slewing Licence • Lifting & Support Equipment • WHS Training

As required, we have a reliable permanent and casual workforce to assist our operations. Our Administration team is based at our Toowoomba Headquarters where they provide excellent customer service and support our on-site teams.

Our crews have performed a broad range of jobs over the years – from farm dams to complex containment systems.  They have also worked on a vast number of different sites, including mining sites.

We have a very experienced supervisory team on board to run our projects. Between them, they have over 20 years’ experience in the dam lining industry and have installed over 10,000,000m² of geosynthetic and related products.

Our Installation teams are equipped with personnel with the relevant training and experience required to execute project requirements. So, when you look to DDT Liners for your upcoming project, you know that we have what it takes to do the job right.

Employment Opportunities

DDT Liners have a solid permanent staff base. However, we are willing to consider potential employees for both permanent and casual positions.

DDT Liners has a NIL TOLERANCE Drug & Alcohol Policy. Our staff are rigorously tested to ensure the safety of themselves and fellow staff members. We also perform pre-employment medicals to ensure any potential employees are fit to perform the kind of work we do.

If you’re interested in applying for a position, please either email your resume to or post to: DDT Liners, PO Box 6493, Toowoomba West Qld 4350