
Senior Water Security Modeller
3 weeks ago
Senior Water Security Modeller role at Seqwater. This permanent, full-time role is based in Brisbane, Queensland, Australia. You will lead modelling assessments to ensure water security across Southeast Queensland, collaborating with internal and external technical subject matter experts to analyse modelling outcomes related to regulated Level of Service objectives, yield assessments and water storage capacities to support long-term water planning.
About SeqwaterWater is essential for life. At Seqwater, we're not just delivering water—we're driving innovation, growth and transformation to secure the future of water across South East Queensland. We are one of the largest water businesses with a geographically spread and diverse asset base, with operations from the New South Wales border to the base of the Toowoomba ranges and north to Gympie. As we modernise our systems and invest in smarter water grids, we remain focused on delivering the highest standard of service, always with the future in mind. Our transformation is about people and creating lasting outcomes for the communities we serve, guided by Our Vision Water for Life, Our Promise Safe for Life, and Our Values of integrity, respect, care, and courage.
You'll be working on high-profile water infrastructure projects to secure Water for Life for generations to come.
About Your OpportunityAs the Senior Water Security Modeller, you will lead comprehensive modelling assessments to ensure water security across Southeast Queensland. Collaborating with internal and external technical subject matter experts, you will analyse modelling outcomes related to regulated Level of Service objectives, yield assessments, and water storage capacities to support long-term water planning. Your role will involve maintaining water supply models that are accurate, reliable, and fit for purpose, while addressing the region's specific water security needs. You will also seek opportunities to improve and coordinate new model development with government stakeholders, implementing innovative solutions and methodologies to enhance the effectiveness and efficiency of water security assessments.
Key Responsibilities- Use advanced modelling tools, techniques and methodologies to analyse outcomes, improve model development, and implement innovative solutions that enhance the effectiveness and efficiency of water security assessments.
- Interpret and evaluate water supply modelling outcomes to provide expert advice for Seqwater's Water Security Program, business case development, and stakeholder initiatives.
- Coordinate and manage significant water supply modelling projects within multi-functional teams, developing least-cost optimisation strategies to ensure appropriate water quality and quantity.
- Provide professional advice on government policy, legislation, and regulation, using modelling outcomes to formulate strategies and recommendations for long-term SEQ water supply planning.
- Ensure water supply models are accurate, reliable, and fit for purpose by managing a modelling assurance framework, overseeing change management, and leading internal and external audits.
To be successful in this role, you will possess:
- Tertiary qualification in Science, Maths or Engineering discipline.
- Minimum of 10 years of professional modelling experience, including extensive data analysis and interpretation of modelling results.
- Proven expertise in stochastic modelling for large and complex systems.
- Demonstrated ability to lead multi-functional project teams and translate water security impacts into business case development.
- Strong stakeholder engagement and communication skills, with experience preparing technical reports and advising internal and external stakeholders.
- High-level analytical and statistical interpretation skills, with proficiency in statistical packages and water supply models.
- Ideally, experience in hydrological modelling using tools such as IQQM, WATHNET (RSM), GoldSim or eWater Source to undertake Level-of-Service water security assessments.
This role will be offered on a permanent full-time basis, with a competitive salary, plus 12.75% superannuation.
Appointment to this role is subject to the provision of a national police check and may be subject to other medical/character requirements. Please note that people with criminal records are not automatically deemed ineligible. Each application will be considered on its merits.
For a more detailed preview of the work that you will be involved in for this role, feel free to take a look at the position description on our careers page - We also invite you to connect with us on LinkedIn and join our growing community of followers to see all the latest news and job opportunities as they happen -
If you are looking for an extraordinary career in which you can make a real impact, we'd love to hear from you
To applySubmit your cover letter outlining how you meet the requirements of the role and your resume via the Apply button.
Applications close: 11:55PM AEST, Monday 8 September 2025
For further information please email enquiries to
Please note – applications cannot be accepted via email.
Details- Seniority level: Mid-Senior level
- Employment type: Full-time
- Job function: Design, Art/Creative, and Information Technology
- Industries: Utilities
Brisbane, Queensland, Australia
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