Decmil is a Macmahon Company, a diversified contractor with projects across Australia and Southeast Asia.
Here, you'll find something different.
We're going places – and we want to take you with us.
When you join Decmil, you're not just getting a job – you're joining a quality team that's built together and built to last.
Decmil has successfully delivered integrated construction and engineering solutions for over 45 years in the infrastructure, resources and energy sectors across Australia.
Our leaders set the tone.
You'll shape the culture, guide performance and create an environment where people are supported, safe and able to do their best work.
About the Role
As a part of our business growth journey, Western Sydney remains a continued and ongoing opportunity focus.
Following market feedback, Decmil are seeking a Commercial Manager to lead our team.
In this role you will work closely with the team to drive standards and support our people.
Responsibilities
Prepare and submit monthly client progress claims
Manage project procurement
Manage site (contract) administration
Monitor, report and advise on project cashflows and profitability.
Evaluate and advise on the financial implications and appropriate management actions
Evaluating and advising on financial implications and appropriate management actions




Provide evidence of reasoned advice and implement systems to manage risk by competent management in relation to specific projects
Monitor and report on government policy requirements
Provide commercial advice and support to the project team
Drive reliability and continuous improvement
Foster a speak-up culture where everyone is respected
What You'll Bring
Tertiary Qualifications in Quantity Surveying, Construction Management, Commercial Law or similar is preferable
10 years' experience in the Construction or Resource industry with at least 5 working for a Contractor
Strong negotiator with proven track record of settling claims
Experience in effective and profitable management of contracts
Ability to mentor junior members of staff
Ability to build trust, set standards and make transparent decisions
Strong planning, problem-solving and stakeholder skills
Commitment to safe, high-quality delivery
Location: Western Sydney
Roster: Monday- Saturday
Initial Project Duration: 15 Months
Full Time - Permanent
Competitive benefits package including:Paid Parental Leave for primary carers
Retail discounts (including homewares, outdoor gear, fuel and groceries)
Novated leases
Comprehensive wellbeing program
Why Decmil?
An organisation that does things the right way, with strong backing from experienced leaders and support teams
We develop our people to be our future
Opportunity to shape performance and culture
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📌 Commercial Manager (New South Wales)
🏢 Decmil Group
📍 New South Wales