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 site-based teams are the backbone of our operations.
You'll support crews on the ground, keep our sites running smoothly and be part of a team that values capability, reliability and genuine teamwork.
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 Supervisor to join our team.
In this role, you will be working closely with leaders and crews to enable protected, efficient and compliant delivery.
Responsibilities
Supervise and schedule day-to-day organisation/coordination of; plant, materials, equipment, and subcontractor services for the work to ensure construction program, HSEQ and time requirements are met
Complete daily site dairies and timesheets
Compliance with short-range program (SRP), medium range program (MRP) and main contract program as developed by the Project team
Ensure asset management procedures are complied with
Report regularly to the Line Manager on project performance and costs against company objectives
Manage subcontractors in accordance with Decmil policies and procedures




Coordinate and review subcontractor works and HSEQ compliance
Review all JHA's, SWMS and work procedures under your control
Anticipate potential obstacles and assist in developing contingency plans to overcome them
Ensure quality of construction is to the requirements of the construction drawings and specifications
Assist engineers in completing/obtaining completed Checklists and ITPs
Carry out inspection of all work areas assigned to you ready for engineer sign-off
What You'll Bring
Trade qualification and/or experience in construction-related discipline as required
Preferably a minimum 5 years' previous Supervisory experience
Certificate IV in Leadership and Management or equivalent preferred
Construction induction white card
Strong proven qualities of leadership, integrity, loyalty, and performance management
Sound and proven ability and knowledge in construction and project execution
Sound computer literacy skills
Clear communication and ability to work with different teams
Commitment to safety, respect and doing things the right way
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?
Be part of a team that looks out for each other.
Work with skilled, down-to-earth people
Learn on the job and broaden your skills across stable opportunities on quality projects
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📌 Supervisor (New South Wales)
🏢 Decmil Group
📍 New South Wales