The salary trajectory of a Project Engineer ranges between locations and employers. The salary starts at A$72,000 per year (estimate) and goes up to A$0 per year (estimate) for the highest level of seniority.
The estimated average salary for a Project Engineer at Downer is A$106,977 per year or A$51 per hour, but some professionals have reported earning up to roughly A$169,799 per year (90th percentile). The typical pay range is between A$84,407 (25th percentile) and A$136,805 (75th percentile) annually. This is based on 133 salaries submitted by Downer Project Engineer professionals on Glassdoor, as of Jun 2026.