Site-Based Commercial Manager

Site Based Commercial Manager

The Opportunity

Spiecapag Australia is delivering some of the country’s most complex pipeline and HDD infrastructure projects. We are seeking a Commercial Manager to lead the commercial, contractual, and financial performance of our projects.

This role is also well suited to a Senior Contract Administrator or Senior Quantity Surveyor ready to step into a Commercial Manager position, with strong experience across cost control, contract administration, and major project delivery.

About the Role

Reporting to the Project Manager, you will take ownership of the full commercial function, ensuring projects are delivered profitably, compliantly, and with strong contractual control.

You will partner closely with operations to drive outcomes across cost, time, risk, and change management while leading and developing the commercial team.

Key Responsibilities

• Lead all commercial, contractual and financial management of projects


• Administer head contract and subcontracts, ensuring all notices and entitlements are managed correctly


• Drive cost control, forecasting, and margin performance (EAC, cost to complete, forecasts)


• Implement and manage change management processes, ensuring variations, delays and claims are captured and recovered


• Provide strategic commercial advice to the Project Manager and senior leadership


• Lead risk and opportunity management, maintaining a live and actionable project register


• Manage procurement and supply chain, maximising value and margin outcomes


• Oversee project reporting, including financial and non-financial performance metrics


• Drive commercial awareness across the project team and build a strong cost-conscious culture


• Mentor and develop commercial team members to build long-term capability

About You

We are open to candidates stepping up, provided you bring strong grounding in commercial project delivery.

You will have:

• Experience in contract administration and cost control on major construction/infrastructure projects


• Background as a:
  
  
  
  • Commercial Manager, OR
  
  
  • Senior Contract Administrator, OR
  
  
  • Senior Quantity Surveyor ready to step up
  
  
  
  


• Strong knowledge of contractual frameworks, claims, and change management


• Proven ability to manage budgets, forecasts, and financial reporting


• Experience engaging with clients, subcontractors, and multiple stakeholders


• Excellent negotiation, communication, and leadership skills 

Qualifications (preferred):

• Degree in Engineering, Quantity Surveying, Construction Management, Law, Finance or similar

Why Join Spiecapag

• Work on major, complex infrastructure projects across Australia


• Be part of a business known for technical delivery in pipeline and HDD works


• Strong pipeline of work with long-term career growth opportunities


• Opportunity to step into a Commercial Manager role with real ownership


• Collaborative team environment with a focus on performance, safety and continuous improvement