We are currently seeking an experienced Contracts Administrator to join an established and growing construction business delivering high-quality commercial projects across Sydney.

This is an excellent opportunity for a commercially minded CA who has strong experience working across commercial construction, Design & Construct (D&C;) and new build projects, with proven exposure to GC21 contracts.

The Role

Working closely with the Project Manager and wider project team, you will be responsible for the commercial and contractual administration of projects from procurement through to completion.

Key responsibilities will include:

- Managing the full contract administration lifecycle across commercial construction projects.
- Administering GC21 contracts, including variations, claims, extensions of time and contractual correspondence.
- Managing subcontractor procurement, letting and administration.
- Preparing and assessing progress claims, variations and payment schedules.
- Assisting with cost reporting, forecasting and project financial management.
- Reviewing scopes of work, drawings, specifications and contractual documentation.
- Managing contractual risk and ensuring project obligations are met.
- Working closely with Project Managers, Site Managers, consultants, subcontractors and clients.




- Maintaining accurate project documentation and ensuring commercial milestones are achieved.

About You

To be successful in this role, you will have:

- 3+ years' experience as a Contracts Administrator within the commercial construction industry.
- Strong experience delivering commercial new build and Design & Construct projects.
- Proven experience working with GC21 contracts.
- Strong understanding of construction contracts, procurement, variations, claims and EOTs.
- Excellent commercial awareness and attention to detail.
- The ability to confidently manage subcontractors and contractual negotiations.
- Strong communication and stakeholder management skills.
- A relevant construction, building, engineering or quantity surveying qualification is desirable.

What’s on Offer

- Opportunity to work on high-quality commercial construction projects across Sydney.
- Join an established contractor with a strong pipeline of work.
- Genuine career progression and professional development opportunities.
- Competitive salary package based on experience.
- Supportive and collaborative project environment.
- Opportunity to work alongside experienced Project Managers and construction professionals.

If you are an experienced Contracts Administrator with robust commercial, D&C;, new build and GC21 experience, we would be keen to hear from you.

📌 Construction Contracts Administrator (Sydney)
🏢 Adecco
📍 Sydney