Commissioning Engineer – Water & Wastewater

Location: Southern Water Region, UK

Contract Type: Contract

About CMDP+

CMDP+ has secured the AMP8 Capital Programme Strategic Delivery Partner Framework with Southern Water, continuing the successful joint venture between Costain and MWH Treatment. Between 2025–2030, CMDP+ will deliver critical investment in Water and Wastewater infrastructure, including upgrades to Treatment Works, Pumping Stations, and Reservoirs.

The Role

We are seeking a highly skilled Commissioning Engineer to lead and deliver commissioning activities across Water and Wastewater projects. You will manage the installation, testing, and handover of process plant and equipment, ensuring projects are completed safely, on time, and to the highest quality standards.

You will liaise with design teams, contractors, and suppliers, and will be responsible for FAT/SAT testing, defect close-out, and the preparation of commissioni...