Commissioning Engineer

Belcan; Esher; On-site; GBP 55,000 - 83,000; Full time

Job summary

Belcan is seeking an experienced Commissioning Engineer to support water and wastewater process projects across Hertfordshire and Surrey. You will oversee commissioning and systems integration, coordinating installation and commissioning programmes from design through to handover.

The role involves FAT and SAT leadership, reviewing documentation, defect closure, calibration of equipment, creating reports, and training operations teams.

Qualifications

• Essential: Experience with main contractor on water and wastewater projects.
• Essential: HNC/Degree or apprenticeship in engineering.
• Essential: Knowledge of commissioning and installation processes for electrical and mechanical systems.
• Essential: Experience delivering installation and commissioning projects through to handover.
• Essential: Knowledge of safety rules and statutory legislation.
• Essential: Minimum three years in commissioning in the water industry.
• Essential: ECS (CSCS) Card, Water Hygiene Card, SSSTS or SMSTS, BS7671 18th Edition, First Aid at Work.
• Desirable: Professional registration and membership.
• Desirable: CompEx qualifications.

Responsibilities

• Oversee commissioning and systems integration activities.
• Coordinate installation and commissioning programmes.
• Lead FAT and SAT activities.
• Review commissioning documentation and manage defect close-out.
• Configure and calibrate equipment; produce management reports.
• Supervise site activities and deliver training to operations teams.
• Support continuous improvement initiatives.

Skills

Water industry commissioning

Project delivery leadership

Site coordination

Health and safety awareness

Education

HNC / Degree / apprenticeship in engineering

Tools

ECS (CSCS) Card

Water Hygiene Card

SSSTS/SMSTS

BS7671 18th Edition

CompEx qualifications

Job description

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.