Senior Mechanical Engineer, Water

What if your next role helped shape the future of water in Australia?

At WSP, we don’t just design infrastructure — we influence how communities connect with water. Join a global network of experts, lead on landmark programs, and deliver outcomes that matter. Here, your expertise is trusted, your ideas are valued, and your career is shaped with purpose.

Our Water team partners with government, utilities, and private sector clients to deliver complex, future-ready solutions. From strategy through to delivery, we’re transforming water infrastructure to support resilient communities and sustainable growth across Australia.

We are seeking a Senior Mechanical Engineer to join our Sydney team, where you’ll play a key role in leading the technical delivery of major water infrastructure programs.

The Opportunity

This is a senior role where your technical knowledge, client engagement, and delivery expertise will shape both projects and people. Whether you are operating at Professional, Senior or Associate level, we will tailor the opportunity to align with your strengths, leadership experience, and career ambitions.

In this role, you will:

• Support or lead the technical delivery of complex water and wastewater infrastructure projects
• Provide mechanical and hydraulic design across the full project lifecycle,  including D&C projects
• Act as a trusted advisor to clients, influencing technical decisions and delivering high-value outcomes
• Ensure high-quality technical documentation and design deliverables are produced and met
• Drive design management across multiple projects and program work packages
• Contribute to bids, proposals, and strategic pursuits to secure future work
• Mentor and develop graduate engineers, fostering technical capability across teams
• Collaborate across local and national teams to deliver integrated, client-focused solutions

About You

You’re a technically strong and commercially aware Mechanical Engineer bringing:

• Bachelor’s degree in Mechanical Engineering (or equivalent)
• Chartered Engineer (CPEng) status (or working towards it)
• Experience (typically 6+ years) within engineering consultancy, contractor, or asset owner environments
• Strong background in water infrastructure and treatment systems
• Proven experience in the design and delivery of complex projects and programs
• Expertise in hydraulic design (e.g. pump stations, water utilities), with exposure to CFD or pipe stress analysis advantageous
• Demonstrated capability in equipment selection, specification, and system optimisation
• Experience with stress analysis tools and/or analytical methods
• Familiarity with Plant 3D or Inventor (advantageous)
• Strong understanding of CHAIR, HAZOP, and Safety-in-Design principles
• Excellent communication skills, with a proven ability to engage and influence clients and stakeholders

Why Choose WSP?

At WSP, you’ll step into a leadership role where you can make a meaningful impact—on projects, clients, and the broader business.

We offer:

• Competitive remuneration and flexible work arrangements
• Clear leadership and career progression pathways
• Opportunities to lead national and global projects
• A collaborative, inclusive culture that values your perspective
• Meaningful, purpose-driven work shaping the future of water
• 16 weeks paid parental leave + purchased leave options
• Global mobility and professional development opportunities
• Employee Share Purchase Plan — become a partner in our success

Here, you’ll find more than a role—you’ll find the platform to lead, influence, and grow.

Imagine a better future for you, and a better future for us all.
With us, you can.

Apply today.