Job Description
Commercial Lead / Quantity Surveyor - Sydney Based
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An exciting opportunity has arisen for a Quantity Surveyor to join a global EPC organisation supporting the delivery of major data centre developments.
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Working within the Procurement & Contracts team, you will play an important commercial role across the full project lifecycle—from tendering and procurement through construction, cost control, variation management and final account forecasting.
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This is an excellent chance for a developing commercial professional who wants to build deeper expertise in mission-critical construction, with exposure across CSA, MEP and specialist packages on complex data centre projects.
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Key Responsibilities
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Pre-Contract & Procurement
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Support the preparation of **Bills of Quantities (BoQ), Scopes of Work (SOW) and tender schedules** across CSA, MEP and specialist packages.
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Assist with procurement strategy, contractor shortlisting, RFP issuance and
technical/commercial
clarifications.
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Conduct cost benchmarking and market price analysis to support procurement and commercial decisions.
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Review contractor proposals for completeness, exclusions and potential commercial risks.
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Support pre-award negotiations and preparation of commercial award recommendations.
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Assist with final BoQ reconciliation and project budget refinement.
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Cost & Commercial Management
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Support day-to-day contract administration across General Contractor, MEP and specialist vendor packages
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Monitor project commitments against approved budgets and support cost-to-complete and final account forecasting
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Review and verify contractor progress claims and payment applications.
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Monitor contractor compliance with key contractual requirements, deliverables and change notification obligations.
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Maintain alignment between project budgets, procurement awards, approved variations and contingency allowances.
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Variation & Value Engineering
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Support the full Variation Order (VO) process, from initial scope assessment through cost validation and commercial recommendation.
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Review contractor variation submissions, including rates, methodology, productivity and material pricing.
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Support commercial negotiations with contractors.
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Undertake Value Engineering and cost-impact assessments associated with changes to CSA and MEP scopes.
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Provide timely commercial evaluations to enable project teams to make informed decisions.
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Reporting, Risk & Governance
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Prepare and maintain cost reports, cash-flow forecasts and Cost-to-Complete models
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Support monthly commercial reporting in collaboration with Finance, PMO and project stakeholders.
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Identify potential commercial risks arising from contractor claims, scope gaps and programme impacts.
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Support contract interpretation and commercial risk mitigation.
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Maintain accurate, audit-ready commercial documentation and correspondence throughout the project lifecycle.
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Ensure activities are undertaken in accordance with established procurement policies and contract governance requirements.
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Key Requirements:
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Degree in Quantity Surveying, Construction Economics or equivalent from a recognised institution.
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3–6 years of Quantity Surveying experience, preferably within data centres, industrial or large-scale construction projects.
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Working knowledge of CSA and MEP construction packages.
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Experience supporting procurement, contract administration and Variation Order assessments
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Familiarity with standard forms of contract including FIDIC, PAM or similar
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Strong cost analysis and commercial documentation capabilities.
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Good negotiation and stakeholder communication skills.
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Ability to critically assess contractor submissions using data-backed analysis.
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Ability to manage multiple priorities and deadlines within a fast-paced, mission-critical project environment.
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📌 Commercial Lead / Quantity Surveyor - Sydney Based (New South Wales)
🏢 Annexion Partners
📍 New South Wales