Drainage Supervisor

At Downer we plan, create and sustain. Downer is the leading provider of integrated services in Australia and New Zealand. Through trusted relationships and world leading insight we work closely with our customers to design, build and sustain assets, infrastructure, and facilities.

Te kōwhiringa | The Opportunity

We are seeking an experienced Drainage Site Supervisor to lead the inspection, planning, and delivery of drainage maintenance and repair works across the network. This is a hands-on leadership role where you'll work closely with field crews, subcontractors, and clients to ensure works are completed safely, efficiently, and to specification.

You'll play a key role in managing day-to-day operations, maintaining strong client relationships, and driving performance across productivity, quality, and Zero Harm outcomes.
This role is based at our Auckland Wainui branch.

Key Responsibilities:

Inspection, Planning & Delivery

• Inspect drainage networks and CRM cases, identifying and prioritising defects
• Plan and allocate work packages to maximise efficiency and performance
• Record and manage defects using Pocket RAMM / RAMM Contractor systems
• Contribute to project methodologies, budgets, programmes, estimates, and variations

Operational & Contract Management

• Manage assigned contracts to ensure delivery on time, on budget, and to specification
• Set and monitor productivity, quality, and safety targets with crews and subcontractors
• Coordinate and oversee subcontractors to ensure compliance with project requirements
• Complete accurate documentation, records, and claims within required timeframes
• Undertake hands-on work when required to achieve positive outcomes

People Leadership & Development

• Lead, coach, and develop crews through on-the-job training and mentoring
• Support staff capability development, including identifying skill gaps and training needs
• Foster a positive, high-performing team culture with a strong safety and quality focus
• Communicate clearly and effectively with internal and external stakeholders

Client & Stakeholder Management

• Build and maintain professional relationships with clients and their representatives
• Proactively address issues to ensure client satisfaction and smooth project delivery

Health, Safety, Environment & Quality (Zero Harm)

• Lead by example and actively promote a Zero Harm culture
• Ensure all staff and subcontractors are inducted and compliant with SWMS and HSE requirements
• Conduct pre-start checks, crew briefings, and regular HSE audits
• Identify and manage operational, safety, environmental, and compliance risks

Nga pūkenga matua | Important Skills

You'll be a confident and practical leader with a strong background in road maintenance and drainage works. You enjoy being out in the field, supporting your team, and taking ownership of outcomes.

• Experience in road maintenance, with drainage experience highly advantageous
• Strong leadership skills with the ability to motivate and develop others
• Sound knowledge of health, safety, environmental, and quality management
• Experience working with subcontractors and managing site activities
• Ability to make decisions, manage competing priorities, and solve problems on the ground
• Good written and verbal communication skills
• A relevant infrastructure qualification (or working toward one) is desirable

How to Apply

If you're ready to take the next step in your drainage or road maintenance career and enjoy leading teams to deliver high-quality outcomes, we'd love to hear from you.

Me pēhea ki te tono | How to apply

If this sounds like the opportunity for you, click Apply Now to submit your application! The reference number for this role is 730400.

We are committed to a safe working environment for everyone - all successful applicants will be required to undertake a pre-employment drug test, medical and a Ministry of Justice check prior to starting employment. If you need support with this requirement, please talk to our team.

Downer Group is an employer that acknowledges and embraces the importance of our people's diverse experiences, talents, and cultures. As an inclusive employer, we welcome applications from everyone.