Job Description

Brand new opportunity to build a WWTP in a key growth area of South East Queensland.
Lead the construction team delivering a state‑funded, greenfield wastewater treatment plant at Chambers Flat. This $350M project includes the WWTP and two conveyance pipelines servicing Park Ridge and Yarrabilba.

About the project
Logan Water has secured funding under Queensland’s Residential Activation Fund to fast‑track the Chambers Flat WWTP with land acquired and the design and planning well advanced. Construction is programmed to commence on treatment plant site from early 2026. You’ll operate within a mature, long‑term program alongside Logan Water and Alliance Partners WSP and Stantec.

The Opportunity

Reporting to the Project Director, as Construction Manager you’ll own end‑to‑end delivery of the Chambers Flat WWTP, driving the construction phase of the integrated civil, mechanical, electrical and process scope from earlydesign involvement, procurement, construction, commissioning and handover This role will oversee, guide, and coordinate project construction activities to ensure objectives for safety, cost, schedule, quality, and environmental performance are met.

What we are looking for

• Degree in Engineering (Civil/Mechanical/Process or related) or related Construction Management tertiary qualifications and 10+ years delivering complex civil infrastructure.
• Demonstrated success leading treatment plants or high‑complexity facilities or civil projects from design through commissioning.
• Extensive experience in construction management roles, including prior work with leading civil contractors
• Mastery of construction delivery in highly complex contracting environments—cost control, planning, risk, and stakeholder management.
• Clear, candid communication; and a willingness to develop and mentor high-performance teams

What we offer

• A competitive remuneration package
• Flexible work practices across site/office, robust wellness benefits, and access to Downer Group programs.
• Career runway inside a mature SEQ program: leadership development, formal mentoring, and pathways into portfolio delivery and program director roles.
• The chance to deliver a city‑shaping asset that underwrites affordable housing and environmental outcomes for decades.
• Opportunity for career growth with structured frameworks and supportive-inclusive team
• Valued and respected position, with supportive and experienced team
• Work for a major ASX-listed company

About Energy & Utilities…Downer's Energy & Utilities business unit is an integrated trans-Tasman team, providing services and solutions that connect communities to essential networks and infrastructure. We design, build, operate and maintain today's critical assets and networks, delivering complete services across the water, electricity, telecommunications, industrial and power generation sectors. Our expertise spans in-house technical smarts, specialist engineering, integrated OEM partners, and dedicated crews of qualified tradespeople.

Downer Group is an employer that acknowledges and embraces the importance of our people's diverse experiences, talents, and cultures. As an inclusive employer, we welcome applications from everyone.

How to apply

Click "Apply" to start your application. We look forward to hearing from you!

Downer does not accept unsolicited resumes, fees, or costs from recruitment agencies, search firms, or third parties. Candidates are welcome to submit their applications via the advertisement.

At Downer we plan, create and sustain. Downer is the leading provider of integrated services in Australia and New Zealand. Through trusted relationships and world leading insight we work closely with our customers to design, build and sustain assets, infrastructure, and facilities.