Design Tiles Commercial Pty Ltd is seeking an experienced Estimator & Contracts Administrator to join our team in Rockdale, NSW. This is a full-time position that plays a crucial role in our operations, bridging the gap between our commercial vision and project execution. As Estimator & Contracts Administrator, you will be responsible for preparing accurate cost estimates, managing contract documentation, and ensuring compliance with project requirements. This role is integral to our success, directly impacting project profitability and client relationships.
Key responsibilities
Preparing detailed and accurate cost estimates for tile and construction projects based on specifications, drawings and site requirements
Analysing material costs, labour costs and overheads to develop competitive and profitable quotations
Managing contract documentation, including review, preparation and amendment of terms and conditions
Preparing and submitting monthly progress claims via Procore, PayApps and builder portals, in line with contract and Security of Payment requirements
Maintaining accurate records of contracts, variations and change orders throughout project lifecycles
Liaising with suppliers and subcontractors to obtain competitive pricing and quotes
Reviewing project specifications and ensuring all contractual obligations are clearly understood and communicated
Monitoring contract performance and tracking variations to ensure projects remain within budgeted costs
Preparing reports on project costs, budget variances and contract status for management review
Leading, managing and mentoring the Junior Estimator, including reviewing take-offs, pricing and quote accuracy
About you
Proven experience of 4+ years working as an estimator in construction, particularly within tile or materials supply industries
Strong knowledge of construction estimating practices, methodologies and cost analysis techniques




Solid understanding of construction contracts, terms and conditions, and contract administration principles
Proficiency with estimating software– Estimate One (for tender sourcing), plus Cubit or CostX and Microsoft Office applications, particularly Excel
Excellent numerical and analytical skills with meticulous attention to detail
Strong written and verbal communication skills with the ability to liaise effectively with clients, suppliers and internal teams
Ability to manage multiple projects simultaneously and meet tight deadlines
Knowledge of building codes, standards and compliance requirements in the construction industry
Problem-solving mindset with the ability to identify cost-saving opportunities without compromising quality
About us
Design Tiles Commercial Pty Ltd is a leading supplier and installer of high-quality tiles and flooring solutions for commercial and industrial projects. With a commitment to excellence, innovation and customer satisfaction, we have established ourselves as a trusted partner in the construction and design industry. Our team is dedicated to delivering outstanding results on every project, and we pride ourselves on our professional approach, attention to detail and strong industry relationships. We foster a collaborative and supportive workplace culture where our employees are valued and encouraged to develop their skills and careers.
Full-time permanent employment with a stable and growing company
Competitive salary package commensurate with experience and qualifications
Opportunities for professional development and career progression within the organisation
A supportive and team-oriented team environment where your contributions are valued
Access to industry training and certification opportunities
Modern workplace facilities and a pleasant working environment in Rockdale
A company that values work-life balance and employee wellbeing
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📌 Estimator & Contracts Administrator (Sydney)
🏢 Design Tiles
📍 Sydney