About Us Herax Construction Pty Ltd (aka Square Construction Group) is an Adelaide-based construction company delivering a diverse range of residential and commercial projects, including custom homes, property developments and commercial fit-outs.
With a strong focus on quality, practical project delivery and client satisfaction, we work closely with clients, suppliers, subcontractors and other project stakeholders throughout the construction process.
As our project portfolio continues to grow, we are seeking an experienced Construction Estimator to join our team in Adelaide.
About the Role The Construction Estimator will be responsible for preparing accurate and commercially competitive cost estimates for residential and commercial construction projects.
The role will support projects from the initial estimating and tendering stage through to construction by assessing project requirements, analysing costs and coordinating pricing information from suppliers and subcontractors.
Key Responsibilities ·Review and interpret architectural drawings, construction plans, specifications, building regulations and other project documentation to determine project scope and estimating requirements.
·Prepare detailed cost estimates and quantity take-offs for construction projects, including materials, labour, equipment and subcontractor costs, and assist in estimating project timeframes.
·Obtain and evaluate quotations from suppliers and subcontractors and prepare cost comparisons to support procurement and subcontractor selection.
·Liaise with clients, architects, engineers, project managers, site personnel, suppliers and subcontractors to clarify project requirements, resolve pricing matters and update estimates where project scope or design changes occur.
·Prepare tender estimates, project budgets and other cost information to support project planning, scheduling and construction delivery.




·Monitor project costs and expenditures throughout construction, including variations and changes in material, labour and subcontractor costs.
·Compare actual and forecast project costs against approved estimates and tender allowances, identify cost variances and provide regular cost reports to management.
·Maintain accurate estimating records, cost databases, supplier pricing and subcontractor rates to support consistent and reliable project costing.
·Review construction methods, material selections and alternative solutions to identify opportunities for cost efficiencies while maintaining project requirements and quality standards.
·Review completed project costs against original estimates and use historical cost information to improve the accuracy of future estimates and tenders.
Skills and Experience At least 5 years experiences in construction estimating or a closely related role.
Strong ability to interpret architectural drawings, construction plans and specifications.
Sound knowledge of construction materials, methods, labour requirements and subcontractor pricing.
Experience preparing quantity take-offs, project estimates, tenders and construction budgets.
Robust numerical, analytical and problem-solving skills.
Good communication and negotiation skills with suppliers, subcontractors and project stakeholders.
Strong attention to detail and ability to manage multiple projects and deadlines.
Proficiency in Microsoft Office and relevant estimating or construction management software.
What We Offer Full-time position with an established Adelaide construction company.
Opportunity to work across a variety of residential developments, custom builds and commercial fit-out projects.
Supportive and practical working environment.
Competitive remuneration based on qualifications and experience.
Opportunity to contribute to the continued growth of the business.

📌 Construction Estimator (South Australia)
🏢 Herax Construction
📍 South Australia