Principal Water & Wastewater Engineer – Lead & Design

Tonkin & Taylor; Auckland; On-site; NZD 180,000 - 240,000; Full time

Benefits offered by this job

Flexible working

Wellbeing allowance

Professional development

Chartership support

Job summary

Tonkin + Taylor is shaping smarter, more resilient water networks across New Zealand. A Principal Water + Wastewater Engineer or Hydraulic Modeller will lead our water supply and wastewater design and planning teams, guiding networks from planning through to delivery.

You’ll work with senior engineers and specialists to test options, develop strategies and deliver robust solutions. The role offers variety, opportunities to expand expertise in planning, modelling and design, and to take on

Qualifications

• A degree in Civil, Environmental, Water Engineering or a related discipline.
• 15+ years' experience in water or wastewater design, hydraulic modelling or a related field for a Principal Engineer or 5+ years of modelling experience for a hydraulic modeller.
• Experience in engineering consultancy or local government is an advantage.
• Experience in network modelling, hydraulic analysis, infrastructure planning, strategies or design.
• Ability to interpret and quality-check engineering, GIS and asset data.
• Experience using hydraulic modelling software, GIS, CAD or similar engineering tools.
• Strong analytical skills and attention to detail.
• The ability to communicate technical information clearly.
• A collaborative approach and sound professional judgement.
• Leadership skills and a passion for growing others' capability.

Responsibilities

• Lead proposals, project planning and business development activities.
• Lead water supply and wastewater projects from planning to delivery.
• Develop, update and review hydraulic network models.
• Assess network performance, capacity and resilience.
• Support growth planning and infrastructure investment decisions.
• Develop network strategies and masterplans.
• Investigate constraints and evaluate improvement options.
• Lead design with concept to detailed stages for treatment and reticulation.
• Prepare and review reports, calculations and technical deliverables.
• Collaborate with clients, project teams and other technical specialists.
• Mentor junior staff and grow water capability.

Skills

Leadership

Water engineering

Wastewater engineering

Hydraulic modelling

Network planning

Proposal writing

Communication

Mentoring

Education

Civil/Environmental/Water Engineering degree

Tools

Hydraulic modelling software

GIS

CAD

Job description

Tonkin + Taylor is shaping smarter, more resilient water networks across New Zealand. A Principal Water + Wastewater Engineer or Hydraulic Modeller will lead our water supply and wastewater design and planning teams, guiding networks from planning through to delivery.

You’ll work with senior engineers and specialists to test options, develop strategies and deliver robust solutions. The role offers variety, opportunities to expand expertise in planning, modelling and design, and to take on