Commissioning Engineer

Commissioning Engineer - Hertfordshire / Surrey, UK

Contract Length: 6 months | Rate: Negotiable

Our client is seeking an experienced Commissioning Engineer to support the successful delivery of water and wastewater process engineering projects across Hertfordshire and Surrey. This is an exciting opportunity for a Commissioning Engineer to play a key role throughout the full project lifecycle, from design and installation through to commissioning, testing, training and handover.

Key Responsibilities

As a Commissioning Engineer, you will oversee commissioning and systems integration activities, coordinating installation and commissioning programmes while ensuring safe, compliant and high-quality project delivery. You will work closely with design teams, suppliers, subcontractors and client stakeholders, leading Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT), reviewing commissioning documentation, managing defect close-out activities, and ensuring installations are completed to required standards. The role will also involve configuring and calibrating equipment, producing management reports, supervising site activities, delivering training to operations teams, and supporting continuous improvement initiatives.

Requirements

Essential:

• Experience working for a main contractor on water and wastewater process engineering projects.
• HNC, Degree, or engineering apprenticeship/NVQ in a relevant engineering discipline.
• Knowledge of commissioning and installation processes for electrical and mechanical systems.
• Proven experience delivering installation and commissioning projects through to handover.
• Knowledge of relevant standards, safety rules and statutory legislation.
• Minimum three years' experience, ideally within a commissioning role in the water industry.
• ECS (CSCS) Card, Water Hygiene Card, SSSTS (or SMSTS), BS7671 18th Edition and First Aid at Work.

Desirable:

• Professional registration and membership.
• CompEx qualifications.

Our client is looking for someone who is proactive, organised, approachable, technically focused, and capable of leading site teams while delivering engineering excellence.

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This vacancy is being advertised by Belcan