Construction Supervisor, Perth

McMahon Services is one of Australia’s largest privately-owned construction, industrial and environmental services organisations. As an international business, we operate from city centres through to remote locations and employ over 1,100 people in Australia and New Zealand.

The Building & Construction customer stream delivers commercial and industrial building, fit-outs and maintenance projects. Our Commercial building team delivers projects ranging from $1m – $30m and is now expanding into Western Australia to add this service to our existing civil, demolition and asbestos offering.

McMahon Services is committed to long-term employment rather than just for projects. We are a family business and pride ourselves on our values of reputation, integrity, safety and excellence to deliver exceptional outcomes for our customers.

Our people are central to what we do. Our work environment is positive, collaborative, and open, and we operate as a team.  We are firmly committed to looking after our employees, from safety in the workplace through to professional development, ongoing training, and equal opportunities.

About the Role:

We seek a Construction Supervisor with a strong trade background to join our Building and Construction stream, focusing on supervising our commercial building projects. This role is ideal for someone passionate about site safety, quality, and compliance, utilising their trade expertise to ensure adherence to safety standards. The successful candidate will play a key role in expanding our stream within the region.

An exciting position for a licensed Site Supervisor to join the Building & Construction team on the ground as we build our Construction business.

Work Type: Full Time

Location: Perth, WA


  • Supervise Commercial building projects and ensure compliance with safety, quality, and business processes.
  • Support site safety compliance and promote a culture of safety excellence.
  • Assist the Project Manager in scoping new works, engaging subcontractors, and participating in tendering and customer engagement activities.
  • Ensure compliance with contract terms and specifications for each project.
  • Reading, interpreting, and communicating plans effectively with relevant stakeholders.

About you:

To be successful, you will need: 

  • Strong trade background with experience in Construction Supervision or related roles.
  • Current Driver’s Licence and Construction White Card
  • Building Supervisors license (Preferred)
  • Passion for site safety, quality, and compliance
  • A problem-solving and innovative approach
  • Strong written and verbal communication skills and ability to build positive relationships.
  • To be able to pass a Drug and Alcohol and Fit for work assessment.
  • Ability on occasions to travel within Western Australia to our regional construction sites. In return you will be provided with additional LAFHA (living away from home allowance)
  • Experience in delivering projects for Defence or Defence industry customers (Preferred but not essential)

If you are ready to take on a new challenge and make a positive impact, we encourage you to apply and join our team at McMahon Services.

What we offer:

This is a full-time position with an attractive remuneration for the right candidate. McMahon Services offer weekly pay, access to Employee Assistance Program and encourages additional professional development, training and career growth.

The successful candidate will be provided with a company vehicle (or equivalent vehicle allowance).

How to apply:

If you believe this opportunity matches your experience, skills and work ethic, and you are looking to join a construction company that embraces diversity and fosters its employees for long-term career progression, then send your application to [email protected]


As an employer who embraces equal opportunity and diversity, we encourage female, Aboriginal and Torres Strait Islander people to apply.

Please note, only successful applicants will be contacted. This position is open only to those eligible to work in Australia.