Company Description
Based in the McLaren Vale region, Watermayne is a South Australian residential builder specialising in the construction of energy-efficient homes across Adelaide, the Fleurieu Peninsula and the Adelaide Hills.
We partner with our clients and project professionals to deliver homes with improved building performance and quality craftsmanship, providing comfort and durability.
As our business continues to grow, we are seeking an experiencedEstimator / Contracts Managerto join our team and play a key role in delivering outstanding residential projects from concept through to completion.
Role Description
This is a pivotal role within our business, combining estimating, contract administration, cost control, and project support across the full project lifecycle.
Working closely with our sales, design, selections, construction, supplier and subcontractor personell, you will ensure projects are accurately costed, commercially managed, and positioned for successful delivery.
This chance would suit someone who enjoys both the technical and commercial aspects of residential construction and takes pride in delivering accurate, organised and systemised work.
Key Responsibilities
Prepare detailed construction estimates and cost plans
Develop pricing from pre-construction scopes and design documentation
Review estimates against client requirements and project specifications
Maintain supplier and subcontractor pricing schedules
Analyse estimate versus actual project costs and identify trends
Support the preparation of client proposals and contract documentation
Review contracts and project documentation prior to signing
Manage project variations in accordance with contract requirements
Report on estimating pipeline and conversion metrics




Ensure tender submissions and deadlines are met
Support project handover to the construction team
Contribute to continuous improvement of estimating systems and processes
About You
You are commercially minded, detail-oriented, and highly organised.
You enjoy working collaboratively with a broad range of stakeholders and have a strong understanding of residential construction and project costing.
Essential Skills & Experience
3–5+ years estimating experience within Australian residential construction, or equivalent site-based experience
Strong understanding of residential building methods, contracts and costing principles
Experience with Wunderbuild (or similar construction management software) highly regarded
Relevant Australian building, construction, engineering or trade qualifications preferred
Desirables
Experience in custom homes, renovations, or medium-density residential projects highly regarded.
Ability to communicate professionally with clients, suppliers, subcontractors and project teams
A passion for building better
Why Join Watermayne?
Full-time or part-time opportunity available (open to applicants who are only available for part time work)
Flexible working arrangements (hybrid) - first 3 months requires work from the office, then a hybrid model could be accommodated
Stable project pipeline and long-term career opportunity
Work on unique, high-quality custom homes
Be part of South Australia's growing sustainable housing sector
Ongoing training, professional development and continuous improvement
Salary
A competitive salary package will be negotiated based on experience, capability and the value you bring to the role.
Apply
If you're looking for a rewarding opportunity with a respected South Australian builder delivering exceptional custom homes, we'd love to hear from you.

📌 Estimator / Contracts Manager (Adelaide)
🏢 Watermayne
📍 Adelaide