Contract Administrator | Infrastructure Projects | Rail | Energy

Unify Recruitment are partnering with a well established business with a strong reputation for delivering complex transport and rail infrastructure across New South Wales and Queensland. Due to recent secured work and continued growth, they are looking to appoint an experienced Contract Administrator to support the commercial delivery of major rail projects throughout Sydney.

This is an excellent opportunity to join a business that values collaboration, career development and long-term project delivery.

The Opportunity

Working closely with the Project Manager and Commercial Manager, you'll play a key role in the commercial administration of major rail infrastructure projects from procurement through to final account.

You'll be involved across all aspects of contract administration, ensuring strong commercial governance while supporting successful project outcomes.

Key Responsibilities

- Administer subcontractor and supplier agreements throughout the project lifecycle.
- Prepare, assess and negotiate subcontract packages and procurement documentation.
- Manage progress claims, payment schedules and subcontractor variations.
- Assist with cost forecasting, budget management and monthly financial reporting.
- Support the preparation and assessment of head contract variations, claims and extensions of time.




- Monitor project costs and identify commercial risks and opportunities.
- Ensure compliance with contract requirements, project procedures and client expectations.
- Maintain accurate commercial records and contract documentation.
- Work collaboratively with project delivery teams to achieve commercial and operational objectives.

About You

- Previous experience as a Contract Administrator within civil construction, infrastructure, rail or building projects.
- Strong understanding of commercial contract administration on major infrastructure projects.
- Experience working under contracts such as GC21, AS2124, AS4000, NEC4 or similar.
- Strong knowledge of procurement, subcontract management and cost control.
- Excellent communication and stakeholder management skills.
- High attention to detail with strong commercial acumen.
- Tertiary qualification in Construction Management, Quantity Surveying, Engineering or a related discipline is preferred.

What's on Offer

- Join a respected contractor with a strong presence in the NSW rail sector.
- Work on complex, high‑profile rail infrastructure projects across Sydney.
- Stable pipeline of secured work with long‑term career opportunities.
- Supportive leadership team with genuine progression pathways.
- Competitive salary package plus additional employee benefits.
- Collaborative and inclusive working workplace.

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📌 Contract Administrator (City of Sydney)
🏢 Unify Recruitment
📍 City of Sydney