At John Holland, our purpose is simple – we transform lives with everything we do.
We’ve always known that infrastructure is about people — our customers, our employees, and the communities in which we work every day.
That’s our difference. Deep experience and capability with a genuine care about creating better lives for people along the way.
Be part of the team that’s up for the challenge of transforming lives for good.
John Holland was awarded a contract for the design and construction of a $500m waste water treatment plant consisting of preliminary and primary treatment including a tankered waste receival area, sludge thickening system, anaerobic digestion and handling biogas, liquid food waste receival and treatment facility and an odour control facility. The project is nearing completion of the construction phase, and we are recruiting for a Senior Commissioning Engineer (Mechanical) to lead and ensure the commissioning and completion activities comply with all aspect of the contract, schedule, quality, safety and environmental requirements on the project. The position will report to the Commissioning Manager and will be based in Werribee, VIC.
Accountable for leading and contributing to a commissioning team of engineers and technicians (mechanical) and trade resources to successfully complete the commissioning activities as described in the Commissioning Plan and under the direction of the Commissioning Manager.
The key responsibilities;
Your success is reflected in ours, so we’re committed to being an employer of choice. We pride ourselves on having a diverse and inclusive workplace, as we understand that different perspectives and ideas are critical to our long-term success.
We want you to be with us for the long term, so providing you with rich career experiences and ongoing development is our priority.
We’re about connecting your sense of purpose to ours. We understand that your career is one of the biggest ways to have an impact on the world. We also believe in supporting you as a whole person, not just an employee.
We reward and support our people in so many ways. This starts with being flexible about how different people like to work. From generous leave policies to wellbeing and relationship support, your needs sit at the heart of our employee benefits.

At John Holland, our purpose is simple: we transform lives. And we do this with everything we do.
From humble beginnings 75 years ago, we are proud to be one of Australia’s leading building, infrastructure, rail and transport companies.
We’re incredibly proud of our history in Australia – but it’s what we’re delivering for the future that drives our teams each and every day.
Our diverse experience and expertise enable us to create innovative and enduring solutions for our customers.
The fact we can do this across multiple industry sectors means we’re up for any challenge.
We’re currently delivering many of Australia’s largest infrastructure projects – from the Melbourne Metro Tunnel and Sydney Metro to the Australian-first Kidston Pumped Storage Hydro Project in Queensland – as well as significant water, property and urban renewal projects.
You’ll even see us operating buses, trains and trams.
Our people-first philosophy puts us at the front of the industry and continues to attract the best and brightest talent.
Our customers trust us to deliver complex, city-shaping projects because we push boundaries and employ innovation in everything we do.
We transform lives.