Senior Mechanical Engineer - Water Infrastructure
Stantec’s Water team in Australia has an impressive portfolio of successful major projects that are already positively impacting our communities across the country. We know that finding solutions to our water issues is critical, and so our diverse network of 400+ water specialists in Australia collaborate across business lines and geographies to ensure the best outcomes are achieved. With exciting projects in the pipeline, we are looking to expand our teams and seek the change-makers, innovators, leaders and collaborators to join us. How will you impact Australia’s water solutions? Grow with us! H2O+U.
We’re growing our high‑performing Water Division and are seeking motivated professionals to join our Sydney team. Our projects span the full lifecycle – from feasibility and planning through to detailed design and construction delivery – and we’re committed to bringing innovation and value to every client partnership. If you’re passionate about meaningful infrastructure that supports communities, this is your next step.
About the role:
You’ll join a diverse, collaborative group of specialists who design with community in mind, delivering excellence for water clients across metropolitan, regional, and remote areas. With a strong pipeline of water supply and sewerage projects for key NSW water authorities, this role offers the chance to contribute locally while also engaging in projects across the wider APAC region. Shape the future of water infrastructure across NSW and the APAC region.
A day in the life of a Senior Mechanical Engineer could look like:
Deliver mechanical design – lead and execute engineering designs, ensuring high‑quality technical outcomes for clients.
Own the technical detail – develop calculations, specifications, and drawings that meet project and client expectations.
Be the technical expert – provide specialist advice across mechanical engineering disciplines.
Partner with project leaders – support planning, coordination, peer review, and delivery to scope, budget, and quality.
Lead proposals – shape methodologies, value propositions, fee estimates, and risk reviews.
Support procurement – prepare tender documents and evaluate bids.
Mentor emerging talent – guide junior engineers and foster a collaborative learning environment.
To be successful for this role you'll present:
Tertiary Qualification in Mechanical Engineering or equivalent field with CPEng (or ability to obtain).
A minimum of 4 – 8 years’ mechanical or infrastructure engineering experience including detailed and conceptual design in Conveyance / Water, Wastewater treatment plant projects.
Demonstrated experience and track record in delivering projects requires Water Hammer analysis using Bentley HAMMER or equivalent.
Exceptional leadership abilities including managing subcontractors and multidisciplinary teams.
Advanced knowledge of clean water and wastewater services and the delivery environment.
Highly developed problem solving and negotiation skills to resolve disputes.
Strong understanding of D&C or alternative delivery projects and or program models.
Offerings to enable your next career step:
Along with an attractive salary, healthy and vibrant culture, we offer many benefits to ensure your professional development and wellbeing.
Flexible Working Arrangements – Including options to work part time and flexibility to work from home
Learning and Talent Development Programs and Training
Purchasing up to four weeks additional leave
Professional Registration and Memberships
Salary Continuance Insurance (SCI) and Salary Packaging
Employee Resource Groups such as Women@Stantec and Pride@Stantec
Connecting employees across Stantec through our Developing Professionals Group
Mental Health and Wellbeing Programs including Employee Assistance Program
Service Recognition Awards
About us:
The Stantec community unites over 34,000 employees working in over 450 locations across six continents. We collaborate across disciplines and industries to bring buildings, energy, resources, water, environmental, transport and infrastructure projects to life. Our work from initial project concept and planning through design, construction, and commissioning begins at the intersection of community, creativity, and client relationships.
It's our people that sets us apart… and we hope that includes you!
How to apply
Please submit your most recent CV outlining your experience relevant to this role by following the ‘apply’ link.
No Agency CV’s will be accepted.
Bachelor Degree in Engineering – Mechanical Engineering or equivalent.
Chartership or working towards is highly regarded.