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Unitywater
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Senior Infrastructure Planning Engineer & Infrastructure Planning Lead – Sewage Treatment Plants
Mango Hill or Maroochydore
Engineering , Engineering Civil/Structural , Engineering Environmental , Engineering Mechanical , Engineering Process
Posted : 20/11/25
Applications Close :19/12/25
Help shape the future of water & wastewater
infrastructure with Unitywater - Deliver planning & engineering solutions
and make an impact in our community
· Influence future water and
wastewater infrastructure in the region
·
Work
across teams and stakeholders to deliver practical solutions
· Be part of a flexible, inclusive and supportive team environment
About
us:
Unitywater operates in one of Australia’s most exceptional
environments in terms of natural beauty, geographical and demographic breadth. We
operate on Kabi Kabi, Jinibara and Turrbal Country, proudly providing safe and
reliable water to customers in Moreton Bay, Sunshine Coast and Noosa. We are a
water utility serving one of the fastest growing regions in the country.
We think a pretty good job starts here.
About the role:
Unitywater is looking for two experienced engineers to join our Growth Engineering Team and help shape the future of our water and wastewater systems across the region. We have two opportunities, with each offering a meaningful impact on infrastructure planning and delivery:
· Senior
Infrastructure Planning Engineer
An experienced technical
engineer focused on water and sewerage network planning and engineering. You
will deliver robust planning assessments, technical analysis, and solution
requirements to support capital program development, major projects, and development
services. This role works closely with internal teams, Integrated Delivery Teams,
and external stakeholders to provide high quality planning outputs, technical
advice, contribute to process improvements, and ensure projects meet regulatory
and technical standards.
· Infrastructure
Planning Lead - STP
A senior technical leadership role with a strong wastewater treatment plant planning and engineering support during delivery focus, this role leads complex planning and engineering assessments for wastewater treatment plants — including process engineering understanding, capacity planning and optimisation — and provides technical guidance across wastewater treatment plant major infrastructure decisions. The role also leads and mentors a small team of planning engineers while working with Infrastructure Planning networks influencing internal and external stakeholders to deliver high quality technical and engineering outcomes.
What You’ll Do (Both Roles)
· Deliver
high-quality planning assessments and technical advice to inform Unitywater’s
capital program, development services, infrastructure delivery and strategic
planning.
· Translate
high level needs into clear, evidence based technical solution requirements.
· Prepare
planning documentation that meets regulatory expectations
· Support
Sustainable Project Development through needs analysis, options assessment,
cost estimation and integration of sustainability and innovation opportunities.
· Work
collaboratively with internal engineering teams, Integrated Delivery Teams and
external consultants.
· Contribute
to continuous improvement of processes, systems and planning approaches.
· Support
major projects and ensure high standards of safety, quality and environmental
compliance.
What You’ll Bring:
Senior Infrastructure Planning
Engineer:
·
Experience in water industry or utilities sector,
with a focus on network planning
·
Strong technical expertise in water and sewerage
network infrastructure, including planning, design, and analysis
·
Proven ability to translate high-level needs
into practical solution requirements
·
Experience collaborating with internal teams,
developers, and consultants to deliver projects
·
Ability to manage multiple planning tasks, stakeholder
reviews and project inputs
·
Tertiary qualifications in civil or mechanical
engineering
·
RPEQ qualification or be working towards
Infrastructure Planning Lead - STP:
·
Experience in the water industry, with a strong
focus on wastewater treatment plant planning and engineering
·
Deep technical expertise in wastewater treatment
plant processes, capacity planning, upgrades and optimisation
·
Ability to translate complex technical needs
into clear solution requirements and inform strategic investment decisions
·
Strong stakeholder management skills, including
experience engaging with developers, councils, regulators, and internal teams
· Proven
capability of driving continuous improvement, innovation, and efficiency in
planning and project delivery
· Excellent
analytical, decision-making, and communication skills, able to influence
technical and non-technical audiences
·
Tertiary qualifications in process or mechanical
engineering
· RPEQ
qualification or be working towards
Working
at Unitywater:
As a Unitywater team member you will enjoy a range of
benefits:
·
Flexibility: We value flexibility and
support work-life balance with hybrid and flexible working, purchased annual
leave and access to floating public holidays. Tell us what this looks like for
you!
·
Wellbeing: We offer several initiatives
to support your wellbeing, such as discounted private health insurance, salary
packaging, employee assistance program, and access to retailer discounts and
benefits.
·
Learning and Development: We offer a
range of opportunities to feed your curiosity such as: Walk on Country experience,
study assistance, and access to a dedicated learning program and professional memberships.
·
Extras: We invite you to join our
dedicated employee networks focused on First Nations Reconciliation, LGBTIQ+,
CALD, Gender, Life Stage diversity, and Accessibility.
We celebrate, value and include people of all backgrounds,
gender and expressions, sexualities, cultures, bodies and abilities. We are
committed to a workforce that reflects the diversity of the community we serve
and fostering a workplace that is diverse and inclusive, where you feel
connected, are safe to be yourself and supported to be the best version of
yourself.
We strive to have a workforce that reflects the diversity
of the community we serve and encourage all suitable applicants to apply for
this role. Please feel free to share your pronouns and any reasonable
adjustments you may need during the interview process.
If you would like to speak to a team member about our
commitment to diversity and inclusion, please contact our Inclusion Specialist emma.guest@unitywater.com
or Reconciliation Action Plan Advisor rebecca.williams@unitywater.com.
Additional information:
·
We are proud to be recognized as an employer of
choice for women by WORK180.
·
We are proud members of Pride in Diversity
and Australian Disability Network.
· We are a 2025 Circle Back Initiative Employer – we
commit to respond to every applicant.
How to
apply:
Please
apply online following the links, and make sure to upload your up-to-date CV.
If you’re successful we will need you to undergo a few
checks…. We know they might not be the fun part, but you will need to
confirm your right to work in Australia and complete relevant pre-employment
checks, including verification of criminal history, drivers licence and driving
history, alcohol and other drug screening.
We’re excited to meet great people, and we’re reviewing applications on an
ongoing basis. This role will remain open until the right candidate is
identified.
For further information please
contact the Careers team at careers@unitywater.com
Unitywater respectfully
acknowledges the Traditional Custodians of the lands and waterways in which we
live, work and operate, the Kabi Kabi, Jinibara and Turrbal peoples. We honour
their enduring connection to these places and their deep cultural, spiritual
and environmental knowledge and stewardship over the waterways that sustain us
all. We pay our deepest respects to Elders past and present, who hold the
wisdom, traditions and stories of their people.




