When backup power can’t fail, Mansfield delivers. We’re a family‑owned business with 60+ years of experience installing and maintaining diesel generator fuel systems for the organisations that can’t afford downtime, healthcare, telecommunications, transport infrastructure, and government facilities.

We’re small, direct, and accountable. You’ll work with the same team from planning through to handover. Our clients include national telco providers, critical infrastructure, and health providers who trust us precisely because we stay close to the job, solve problems early, and own the outcome.

About the Role

This is a specialist field role focused on the installation, commissioning, servicing, and compliance of diesel generator fuel systems. You’ll be working on diverse sites across New Zealand, from hospital plant rooms and basement carparks to telecom exchange buildings and remote rural facilities. Every site has its own constraints; your job is to make th...