About Us
The Miller Group, a subsidiary of Colas Canada, is a Canadian leader in the construction and maintenance of transportation infrastructure since ****. We provide exceptional customer service and operational support using our time-proven construction methods and innovative technologies, alongside the highest quality products and materials. We leverage our global network to foster positive relationships that make a lasting difference in the communities where we live and work. Whether it is making your commute more efficient, keeping our communities safe, or making remote areas more accessible, at Miller we are proud to Build Greatness in everything we do.
Position Summary
This is a night shift position (10 PM to 10 AM), with occasional weekend work based on demand.
The role is responsible for operating and monitoring the Dolomite plant during overnight production, ensuring consistent material flow and safe operation. The Operator will load trucks, feed the plant using on-site equipment, and complete routine maintenance and clean-up to support efficient plant performance. This role is primarily independent and requires a solid focus on safety, reliability, and attention to equipment and process conditions.
This is a seasonal position running from approximately July to October, with the opportunity to return in future seasons based on performance and operational needs.
Responsibilities
Monitor and operate the plant to ensure consistent production output
Load trucks and manage material flow in and out of the plant
Operate loader and/or on-site haul truck to feed plant
Perform routine maintenance, inspections, and general plant clean-up
Complete required logs and safety checks




Follow all safety procedures and contribute to a safe work environment
Requirements
DZ or AZ license, or experience operating loaders, dump trucks, or similar equipment
Previous heavy equipment experience considered an asset; training will be provided
Basic mechanical aptitude or willingness to learn plant maintenance
Ability to work overnight shifts (10 PM to 10 AM) and occasional weekends
Reliable and able to work independently with minimal supervision
Strong commitment to safety and following procedures
Ability to perform physical work, including lifting up to 50 lbs and working in a plant environment
Compensation
$***** - $***** per hour
Culture
Miller is proud to provide this unique career opportunity, we offer continuous learning, chance for growth, and a competitive compensation package. At our core; we are our people. We succeed because we respect our people and invest in their development, safety and well-being. Miller is an equal opportunity employer. At Miller, we believe our workforce should reflect the diversity of the communities we connect. By living our core values of Respect, Commitment, Pioneering and Sharing, we welcome all those who help create the links that bring us together. We are committed to equal employment opportunity regardless of age, ethnicity, national origin, religious beliefs, disability, marital or family status, gender, gender identity or expression.
Our Company may use artificial intelligence (AI) tools to assist with sourcing potential candidates. All screening, assessment, and hiring decisions are made exclusively by qualified personnel. Every application is reviewed and verified by our recruitment team to ensure a fair, transparent, and human-driven hiring process. This posting reflects an existing vacancy.

📌 Plant Operator (Night Shift) - Dolomite Plant (South Australia)
🏢 Colas Australia
📍 South Australia