ACCIONA is a global company, leading in the development of regenerative infrastructure that creates a positive impact on society. Our workforce consists of more than 65,000 professionals, present in more than 40 countries across the five continents, all contributing to our mission to design a better planet. Are you a passionate individual who wants to make a difference, promote sustainable development, and find solutions to the biggest global challenges, including climate change, overpopulation, and water scarcity? Come and join us in building the infrastructure our planet needs to achieve a sustainable future.

At ACCIONA Agua Australia , we are committed to delivering sustainable infrastructure solutions that create a positive impact for communities across Australia. As a global leader in water infrastructure, we combine innovation, technical excellence, and a strong commitment to safety and sustainability to transform how essential services are delivered.

We are seeking an experienced Senior Contracts Administrator to join our growing Commercial team in a national role , supporting projects and operations across Australia. Reporting to the Senior Manager, Commercial , you will play a key role in managing commercial and contractual obligations across a portfolio of major water and infrastructure projects.

This is an excellent opportunity for a commercially driven contracts professional who enjoys working across multiple projects and stakeholders. You will provide commercial, contractual and administrative support throughout the project lifecycle, helping drive successful commercial outcomes while ensuring contractual compliance and effective risk management.

Key Responsibilities





- Administer head contracts and subcontract agreements across multiple projects nationally.
- Manage contract correspondence, notices, registers and contractual documentation.
- Support the preparation and negotiation of variations, claims and extensions of time.
- Assist in identifying, managing and mitigating contractual risks.
- Prepare and administer subcontract agreements and purchase orders.
- Review subcontractor claims, payment applications and variations.
- Monitor subcontractor performance and contractual compliance.
- Support commercial reporting and project performance reviews.
- Assist bid and tender teams by reviewing contract requirements and coordinating commercial inputs.
- Collaborate with project managers, procurement teams, finance, legal advisors and operational stakeholders.
- Ensure compliance with ACCIONA governance, policies and contractual obligations

To be successful in this role, you will bring:

- Degree qualification in Quantity Surveying, Construction Management, Engineering, Commerce, Law or a related discipline.
- Minimum 7 years' experience in contract administration or commercial roles within construction, infrastructure, utilities, water or engineering environments.
- Strong understanding of contract management principles and project delivery models.
- Experience administering major construction and infrastructure contracts.
- Robust commercial acumen and subcontract management experience.
- Excellent analytical, negotiation and problem-solving skills.
- Strong communication skills and the ability to build effective stakeholder relationships.
- A proactive and collaborative approach with a focus on delivering results

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📌 Senior Contracts Administrator (Sydney)
🏢 Acciona
📍 Sydney