McMahon Services is delivering major civil utilities works as part of one of South Australia's most significant infrastructure projects. With works underway and a long-term delivery program ahead, we are seeking an experienced Site Supervisor - Civil Utilities to join our Civil & Infrastructure team.
This is an opportunity to play a key role in the delivery of critical underground utilities infrastructure that will support Adelaide's future growth. You'll work within a complex construction workplace, leading subcontractors and coordinating site activities to achieve safe, efficient and high-quality project outcomes.
About McMahon Services
McMahon Services is one of Australia's largest privately owned construction, industrial and environmental services organisations, employing more than 1,200 people nationally. For over 35 years, we have delivered innovative solutions across civil infrastructure, demolition, remediation, industrial services and environmental projects. Our reputation is built on integrity, strong relationships, technical expertise and delivering certainty for our customers.
About the Role
Reporting to the Site Manager and Project Managers, you will oversee the delivery of civil utilities works including water, sewer, stormwater and associated underground services. You will coordinate subcontractors, site activities and project interfaces to drive strong safety, quality and programme outcomes across your work areas.
Working within a complex construction environment, you will play a key role in ensuring works are delivered safely, efficiently and in accordance with project requirements. The role will involve supervising works across both day and night shifts, with strong communication, coordination and detailed handover reporting critical to success.
What You'll Do
Supervise civil utilities works (water, sewer, drainage), including night shifts
Coordinate subcontractors and site activities to meet short-term programmes




Drive WHS, environmental and quality compliance on site
Maintain detailed site diaries and shift handover reporting
Lead toolbox talks, safety inspections and risk controls
Identify and escalate delays, variations and EOTs
What You'll Bring
Trade qualification with relevant experience in civil utilities, infrastructure or construction projects
Minimum 3-5 years' experience supervising civil utilities or infrastructure works
Proven experience coordinating crews, subcontractors and site activities to achieve project outcomes
Strong understanding of civil utilities construction methodologies, sequencing and delivery requirements
Ability to read and interpret construction drawings, specifications and project documentation
Strong leadership, communication and problem-solving skills
Commercial awareness with the ability to identify and elevate risks, delays and opportunities early
Strong understanding of WHS requirements, including working around live services, public interfaces and asset protection requirements
Current Driver's Licence and ability to obtain required project and site clearances
What Will Set You Apart
Experience supervising night shift utilities or live environment works
Reliable, punctual and highly motivated with a strong work ethic
Positive attitude and ability to work collaboratively within a team environment
Why Join McMahon Services?
Grow your leadership career within civil infrastructure delivery
Long-term, stable employment with a leading national contractor
Night shift uplifts (where applicable) and full tools of trade provided
At McMahon Services, we embrace diversity and inclusion as fundamental values. We believe that a diverse workforce fosters innovation, creativity and a deeper understanding of the communities we serve. We are committed to creating an inclusive environment where all employees feel valued, respected and empowered to contribute their unique perspectives and talents.
#J-*****-Ljbffr

📌 Site Supervisors - Civil Utilities (Adelaide)
🏢 Mcmahon Services
📍 Adelaide