Senior Contracts Administrator

Due to continued growth and a strong secured pipeline (working across defence, government, utilities, transport, and critical infrastructure sectors nationally) , we are looking for a high-performing Senior Contracts Administrator to join our commercial team in Rhodes, NSW. This role suits an experienced CA from a Tier 1 or leading Tier 2 contractor who wants greater ownership, direct influence, and exposure to nationally significant projects without corporate bureaucracy slowing decision-making. Why Join? High-Profile Projects: Work across nationally significant infrastructure and security projects with blue-chip clients across defence, utilities, and government sectors. Commercially Mature Environment: Join a business that values strong commercial capability, proactive risk management, and disciplined project delivery. Real Influence: You will work directly with senior leadership and have genuine input into project commercial strategy, procurement, negotiations, and outcomes. Strong Pipeline & Stability: Established national footprint, repeat clients, and a growing portfolio of secured work across Australia. The Opportunity Reporting to the Commercial Manager, you will take ownership of the end-to-end commercial administration of projects and major subcontract packages across multiple infrastructure projects nationally. You will play a key role in protecting project margin, managing commercial risk, and driving subcontractor performance throughout the project lifecycle. This is not a processing role. We are looking for someone commercially astute, decisive, and confident operating in high-performance project environments. Key Responsibilities Contract & Commercial Management - Administer upstream and downstream contracts - Review head contracts and manage contractual obligations - Prepare departures, notices, claims, EOTs, and formal correspondence - Identify and mitigate commercial and contractual risk Procurement & Subcontracts - Prepare scopes of work and tender packages - Manage tender evaluations and subcontract negotiations - Drive procurement strategy aligned to project objectives - Administer subcontract agreements and performance Cost Control & Forecasting - Lead weekly commercial reviews - Manage cost-to-complete forecasting and financial performance - Monitor variations, claims, commitments, and project exposure Claims & Dispute Management - Assess subcontractor claims and variations - Prepare formal contractual responses - Support dispute resolution and commercial negotiations - Maintain robust project records and contractual compliance Stakeholder Management - Build strong relationships with project managers, suppliers, subcontractors, and clients - Work collaboratively while confidently protecting commercial outcomes What We're Looking For You are likely coming from a Tier 1 or strong Tier 2 contractor environment and are comfortable operating on complex infrastructure or construction projects. You will bring: - Proven experience as a Contracts Administrator on projects valued $5M–$50M+ - Minimum 3-5 years of Contracts Administrator experience - Strong understanding of head contracts and subcontract administration - Experience across infrastructure, utilities, defence, civil, or major construction projects - High-level commercial acumen and negotiation capability - Strong contractual knowledge including variations, EOTs, claims, and risk management - Ability to work autonomously and influence project outcomes - Excellent communication and stakeholder management skills - A proactive, solutions-focused mindset Essential Requirements - Construction, infrastructure, utilities, or engineering project experience - Australian Citizenship or unrestricted Australian working rights - Relevant tertiary qualifications in Construction Management, Quantity Surveying, Law, Engineering, or similar This role is for a commercially driven Contracts Administrator who wants to step into a business where performance is recognised, decisions are made quickly, and your contribution directly impacts project success.