Senior Process Engineer - Water Treatment

Stantec Australia; Sydney; On-site; AUD 140,000 - 190,000; Full time

Benefits offered by this job

Flexible working arrangements

Training and development programs

Extra leave (4 weeks)

Professional registrations

Salary packaging

Employee resource groups

Mental health & wellbeing programs

Service recognition awards

Job summary

Stantec Australia is seeking an experienced Senior Process Engineer – Water Treatment to lead technical delivery across NSW water projects from Sydney. You will drive process engineering activities for water treatment, mentor junior engineers, and collaborate with multidisciplinary teams to ensure high-quality outcomes.

Join a national water team offering opportunities for leadership, client engagement, and growth in a supportive culture that values safety, innovation, and professional

Qualifications

• Tertiary qualifications in Chemical, Process, environmental or related engineering discipline.
• Chartered Engineer status (or progress toward it).
• Water treatment expertise in process engineering.
• Consultancy design experience in a engineering context.
• Asset and delivery knowledge of water/wastewater assets.
• Leadership capability to guide multidisciplinary teams.
• Advanced problem-solving and negotiation skills.
• Strong technical report-writing and communication skills.

Responsibilities

• Project coordination with Project Manager to deliver on time, budget and quality.
• Lead and support process and technical engineering activities across planning to detailed design.
• Prepare engineering proposals and maintain client relationships.
• Coordinate inputs with colleagues across disciplines and units.
• Ensure outputs meet safety requirements and project scope.
• Contribute to growth of water/wastewater design capability and client relationships.
• Mentor and develop Graduate and Intermediate engineers.
• Support business development through proposals and bid development.

Skills

Water treatment

Process engineering

Leadership

Technical communication

Problem solving

Client engagement

Education

Chemical engineering

Process engineering

Environmental engineering

Job description

Senior Process Engineer - Water Treatment

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.

Our NSW Water Group continues to experience strong growth, creating an excellent opportunity for an experienced Senior Process Engineer – Water Treatment to join our Sydney team. This role provides a key technical leadership presence within our process engineering capability, contributing to the successful delivery of high‑quality water and wastewater treatment solutions across New South Wales. With time this role extends to management type functions and leadership capabilities.

Job responsibilities include:

Project coordination – Plan, program and coordinate project activities with the Project Manager to ensure delivery on time, on budget and to the required quality standards.

Technical leadership – Lead and support process and technical engineering activities across planning, feasibility, concept design and detailed design for water and wastewater infrastructure.

Client engagement – Prepare components of engineering proposals and maintain strong client relationships through proactive, clear and timely communication.

Cross‑discipline collaboration – Coordinate technical inputs and design activities with colleagues across other disciplines and business units.

Quality and safety assurance – Ensure all technical outputs align with project scope, meet safety requirements and reflect high standards of engineering quality.

Business and capability development – Contribute to the growth of our water and wastewater design capability, including supporting new and existing client relationships.

Mentoring and team development – Provide guidance, mentoring and technical support to team members, helping to build capability across Graduate and Intermediate engineers.

Bid and proposal support – Support business development activities by contributing to proposal preparation and bid development as required.

To be successful for this role you'll present:

Relevant engineering qualifications – Tertiary qualifications in Chemical, Process, environmental or a related engineering discipline, with minimum of 4 years’ experience.

Professional accreditation – Chartered Engineer status (or clear progress toward achieving it).

Water treatment expertise – Demonstrated experience and technical and design capability in water treatment process engineering.

Consultancy design experience – Proven background delivering design solutions within an engineering consultancy environment.

Asset and delivery knowledge – Strong understanding of water and wastewater assets, treatment processes and the broader delivery environment.

Leadership capability – Ability to lead multidisciplinary teams and manage subcontractors to achieve high‑quality project outcomes.

Advanced problem‑solving – Highly developed problem‑solving and negotiation skills, with the ability to navigate and resolve technical or commercial challenges.

Technical communication – Strong report‑writing skills with the ability to translate complex technical information into clear, compelling narratives.

What we offer

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 Stantec

The Stantec community unites approximately 34,000 employees working in over 450+ locations across six continents. We collaborate across disciplines and industries to bring water, 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.

Culture

Stantec is serious about healthy work-life balance, diversity, inclusion & equity, indigenous relations, innovation, community engagement, corporate sustainability, and social wellbeing. We have employee groups for women, LGBTQI+, neurodiversity, and more! Our employees play sport, fundraise, volunteer, learn, and have fun together.

We are committed to reconciliation and to building respectful relationships with Aboriginal and Torres Strait Islander peoples. We’re better together when different perspectives are welcomed and valued, and we’re committed to a workplace where everyone can belong and thrive. If you need any adjustments to participate in our recruitment process, please let us know.