Senior Process Water Treatment Lead

Senior Process Water Treatment Practice Lead

Are you a recognised technical leader in municipal wastewater treatment looking to influence major infrastructure programmes, mentor high-performing teams, and shape the future of water quality solutions?

This role is ideal for a senior wastewater treatment professional who enjoys balancing technical excellence, client engagement, and team development.

You’ll act as a trusted technical advisor across complex municipal wastewater projects while helping win and deliver high-profile programmes that improve communities and protect critical water resources.

The position offers a blend of technical leadership, project collaboration, business development, and mentoring, giving you visibility across some of the most significant treatment projects in the industry.

• Lead wastewater treatment process design and technical delivery for municipal infrastructure projects from planning through detailed design.
• Act as a subject matter expert across conventional activated sludge, BNR, M , tertiary treatment, disinfection, sidestream treatment, and advanced wastewater processes.
• Develop and review process flow diagrams (PFDs), P&IDs, design criteria reports, basis of design memoranda, process models, and mass balance calculations.
• Perform treatment process evaluations, technology selection studies, pilot testing reviews, and optimisation assessments.
• Collaborate with multidisciplinary engineering teams to deliver innovative treatment solutions for complex water and wastewater facilities.
• Serve as a trusted advisor to clients, providing technical guidance, strategic planning support, and regulatory compliance expertise.
• Support business development activities through proposal development, client presentations, technical interviews, and pursuit strategy.
• Build and maintain strong relationships with municipal utilities, industry partners, and key stakeholders.
• Mentor, coach, and develop junior and mid-level engineers while fostering a culture of technical excellence and knowledge sharing.
• Contribute to practice growth by identifying emerging market trends, innovative technologies, and new service opportunities.
• Present technical papers, project successes, and thought leadership initiatives at local, regional, and national industry events.

• Bachelor's degree in Civil, Environmental, Chemical, or related Engineering discipline.
• Professional Engineer (PE) licence or ability to obtain one.
• 10+ years of experience delivering municipal wastewater treatment projects.
• Strong understanding of biological and advanced wastewater treatment processes.
• Experience leading multidisciplinary design teams and complex technical work streams.
• Excellent communication and client-facing skills.

• Employee-owned culture with a shared commitment to long-term success
• Hybrid working environment offering flexibility and work-life balance
• Access to large-scale, nationally recognised water and wastewater programmes
• Clear pathway into senior technical, practice leadership, or operational leadership positions
• Collaborative culture that values innovation, mentorship, and professional growth
• Competitive compensation, comprehensive benefits, retirement contributions, and performance incentives

This is an opportunity to join a company where technical expertise is valued, innovation is encouraged, and employees play a direct role in shaping the future of water infrastructure. You’ll work alongside some of the industry's most respected engineers while helping communities address critical water quality and sustainability challenges.

| Process Engineering | BNR | M  | Municipal Infrastructure | Water Reuse | Process Design | Treatment Plants | Wastewater Practice Leader | Water Engineering | Environmental Engineering