Contracts Administrator / Senior Contracts Administrator
Major Water Infrastructure | Western Sydney
An opportunity has become available for an experienced Contracts Administrator to join the delivery team on a major recycled water infrastructure project in Western Sydney.
Working as part of an experienced project and commercial team, you will be responsible for the day-to-day commercial and contract administration across two major works contracts.
This is a hands‐on, site‐based position suited to someone who enjoys being close to project delivery and working directly with Project Managers, Engineers, Superintendents and contractors.
The Project
The project involves the expansion of a major recycled water facility supporting current infrastructure in Western Sydney.
The scope includes:
DN800 recycled water transfer main
Booster Pump Station
Existing network upgrades
Control system and SCADA integration
Testing and commissioning
The Role
Reporting to the Commercial Manager, you will support the commercial management and administration of two Main Contracts throughout project delivery.
Your responsibilities will include:
Preparing and issuing payment schedules
Assessing variations, EOTs and contractor claims
Preparing contractual correspondence and notices
Maintaining commercial and contractual registers
Monitoring programmes, milestones and key contractual dates
Supporting Project Managers and Superintendents on commercial matters




Coordinating with the wider project team to ensure contractual obligations are being met
Supporting commercial reporting and project record keeping
Escalating complex claims and contractual issues to the Commercial Manager
About You
We are looking for someone with:
Experience as a Contracts Administrator or Senior Contracts Administrator on construction or infrastructure projects
Strong knowledge of Australian standard-form contracts, ideally AS ****
Working knowledge of the Security of Payment Act
Experience with variations, EOTs, claims, payment schedules and contractual notices
Strong written communication and attention to detail
The ability to work closely with engineering, project and commercial teams
Experience across water, utilities, civil or process infrastructure
The ability to work on site full‐time in Western Sydney
A qualification in Engineering, Construction Management, Quantity Surveying, Commerce or Law would be highly regarded.
The Opportunity
This is an opportunity to join a significant infrastructure project from within the delivery team and work alongside experienced commercial and project professionals.
Location:
Horsley Park / Smithfield, Western Sydney
Employment:
Full‐time, 5 days per week on site
If you have a strong contracts background and want to be involved in the delivery of a major Western Sydney infrastructure project, we would like to hear from you.
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📌 Contract Administrator (New South Wales)
🏢 Waltrix
📍 New South Wales