Are you a detail-oriented professional with a passion for estimating and winning work? Downer is seeking an Estimator to join our team based out of Chinderah, NSW. This is a fantastic opportunity to contribute to our Transport & Infrastructure business and be part of a collaborative and values-driven environment.
As an Estimator, you will play a key role in securing new works by delivering high-quality tenders and cost estimates. You will collaborate closely with internal stakeholders and external partners to ensure submissions are accurate, compliant and aligned with business objectives.
Key responsibilities
Prepare and submit RFT/RFQ tenders accurately and on time.
Produce first-principles cost estimates, incorporating supplier and subcontractor inputs.
Interpret drawings, perform quantity take-offs, and scope project activities.
Maintain estimating databases, quote registers, and documentation.
Liaise with clients, suppliers, and subcontractors professionally.
Partner with Sales and Account teams to prioritise and support bids.
Present tender submissions internally and to clients.
Contribute to continuous improvement of estimating processes and tools.
What you’ll bring
Bachelor’s degree in Construction Management, Civil Engineering or related field preferred.
Previous industry experience in estimating, ideally within asphalt, surfacing, spray seal or civil projects.
Familiarity with Benchmark Estimating software.
Proven ability to interpret drawings and develop detailed cost estimates.
Strong mathematical and analytical skills.
Excellent time management and organisational abilities.
Strategic thinker with a personable character and attention to detail.
Passion for winning work and achieving key business objectives.
Downer is a company that believes people are our greatest asset. We take pride in providing career opportunities, work-life balance, and above benchmark services. We also offer a range of benefits including:
Enjoy career development opportunities, including leadership programs like Thrive and Own Career
Access to Perks@Downer, which offers discounts and savings on various products, including retail items, travel deals and entertainment options.
Be part of an industry-leading company committed to safety, innovation, and operational excellence
Contribute to impactful projects that drive efficiency and sustainability
To join the Downer team please “apply now”. We respectfully request no recruitment agency approaches. Please be advised that email applications will not be accepted.
Downer Group is an employer that acknowledges and embraces the importance of our people's diverse experiences, talents, and cultures. As an inclusive employer, we welcome applications from everyone.
At Downer we plan, create and sustain. Downer is the leading provider of integrated services in Australia and New Zealand. Through trusted relationships and world leading insight we work closely with our customers to design, build and sustain assets, infrastructure, and facilities.

Enabling communities to thrive.
It’s what we’ve done for more than 150 years. Solving problems. Making the extraordinary run smoothly every day. We’re keeping the lights on and the water flowing. Running the hospitals that take care of us. Delivering the transport that takes us from A to B. Maintaining communication networks that keep people connected. Helping our Government and Defence customers keep them protected. Delivering train fleets. Building bridges, roads and streets. Now we’re building momentum too. Moving forward even faster.
Across Australia and New Zealand, we’re transforming the way we work. Unlocking our potential to lead by example. Using our passion and expertise to deliver complex projects and turn fresh ideas into solutions that make society a better place. Creating opportunities for our people, growth and value for our shareholders, and world-class solutions for our customers. Imagining. Innovating. Engineering. Enabling.