Strata Technician - Mandalong

About the Role

Centennial is seeking a Strata Technician that wants to build a lucrative career in the mining industry and secure a role with our northern based operation – Mandalong Mine.

Conveniently located in the Lake Macquarie region, a short drive from Newcastle and the Central Coast, this role is an excellent opportunity to work in an Underground Longwall - based mining operation.

This key operational role presents the opportunity for qualified and committed personnel to contribute directly to the success of Mandalong’s mining operations and open the door to a secure future. 

Reporting to the Senior Geotechnical Engineer, your responsibilities will include:

•    Install, calibrate, and maintain geotechnical monitoring instrumentation (e.g., tell-tales, extensometers).
•    Record and manage data relating to ground support installation and condition monitoring using the Strata Monitoring Database.
•    Coordinate and complete shiftly, weekly, and monthly tell-tale (TT) monitoring work orders.
•    Assist with underground inspections and strata condition audits.
•    Manage strata defects cards including review, inspections and organising rectification works with area superintendents.
•    Identify and report strata abnormalities, hazards, or alerts to relevant supervisors promptly.
•    Maintain accurate records and ensure timely upload of data into site systems.
•    Perform equipment calibration and routine servicing as required.
•    Support the technical services team with additional tasks and projects as directed.

Centennial is offering

•    Permanent full-time position
•    Attractive salary package
•    Career development and training opportunities
•    Salary sacrifice options
•    Corporate Health Insurance discounts

Suitable candidates will have

•    Minimum 3 years of operational experience in underground coal mining
•    Practising Certificate as a Deputy (NSW)
•    Strong understanding of mine safety and environmental systems
•    Sound computer literacy skills and geological / geotechnical 
•    Excellent work ethic and attendance record
•    Commitment to site safety and operational practices
•    Strong communication skills, both written and verbal suited to multiple audiences

About Centennial

Centennial Coal Company is a wholly owned subsidiary of Asia's largest independent Energy Group, Banpu Public Company Limited.

We employ over 1,600 highly skilled employees across our operations and are New South Wales leading supplier of coal-fired energy. 

Centennial is the heart of innovation, technology and sustainability, offering a career that is both challenging and rewarding.

Applications close – 27th July 2025