Senior Infrastructure Planning Engineer & Infrastructure Planning Lead – STP's
Unitywater – Brisbane, Queensland, Australia
About Unitywater
Unitywater operates across the Sunshine Coast, Noosa and Moreton Bay, providing safe and reliable water to customers in one of Australia's fastest growing regions. We serve the Kabi Kabi, Jinibara and Turrbal Country and are committed to sustainable, inclusive, and innovative water management.
About the role
We are looking for two experienced engineers to join our Growth Engineering Team. Each position offers 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 deep wastewater treatment plant planning expertise. You will lead complex planning and engineering assessments for STPs, including process engineering, capacity planning and optimisation, and provide technical guidance across major infrastructure decisions. You will also mentor a small team of planning engineers and influence internal and external stakeholders to deliver high-quality technical 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.
Welcome to Unitywater
Our benefits include:
Flexibility: hybrid and flexible working arrangements, purchased annual leave and access to floating public holidays.
Wellbeing: discounted private health insurance, salary packaging, employee assistance program and retailer discounts.
Learning and Development: dedicated learning program and professional memberships, plus unique experiences such as Walk on Country.
Employee Networks: dedicated networks focused on First Nations Reconciliation, LGBTIQ+, CALD, gender, life stage diversity and accessibility.
Please feel free to share your pronouns and any reasonable adjustments you may need during the interview process.
What You'll Bring
Senior Infrastructure Planning Engineer
Experience in the 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 working towards one.
Infrastructure Planning Lead – STP
Experience in the water industry with a strong focus on wastewater treatment plant planning and engineering.
Deep technical expertise in STP 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, engaging with developers, councils, regulators and internal teams.
Proven capability driving continuous improvement, innovation and efficiency in planning and project delivery.
Excellent analytical, decision-making and communication skills.
Tertiary qualifications in process or mechanical engineering.
RPEQ qualification or working towards one.
Additional Information
Recognised as an employer of choice for women by WORK180.
Member of Pride in Diversity and Australian Disability Network.
**** Circle Back Initiative Employer – we commit to responding to every applicant.
How to Apply
Please apply online, uploading your up-to-date CV. Successful candidates will undergo standard pre-employment checks, including right-to-work verification, criminal history, driver's licence and health screening.
We're excited to meet great people and are 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 For diversity and inclusion matters, contact Inclusion Specialist or Reconciliation Action Plan Advisor
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.
#J-*****-Ljbffr