Commissioning Engineer

Commissioning Engineer - Data Centres / Critical Power Outside IR35 East London 6 month initial contract with extensions likely Key experience required: * Experience commissioning diesel generators and critical power…

Outside IR35 Engineering
Pay rate £75 – £79/hour
Contract type Contract
Posted 21 September 2026

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About this contract

Commissioning Engineer - Data Centres / Critical Power
Outside IR35
East London
6 month initial contract with extensions likely

Key experience required:
* Experience commissioning diesel generators and critical power systems
* Data centre, power generation or industrial commissioning background
* Strong electrical knowledge across LV/HV systems and switchgear
* Experience with generator controls, synchronisation and load testing
* Ability to read electrical drawings and commissioning documentation
* Experience with SAT, functional testing and client handover
* Strong fault-finding and problem-solving skills
* Able to work independently on site

Key responsibilities:
* Carry out commissioning and testing of critical power systems
* Complete generator start-up, synchronisation and load testing
* Support SAT, functional testing and final handover activities
* Identify and resolve electrical and control system faults
* Work with clients, project teams and equipment suppliers
* Complete commissioning reports and test documentation
* Ensure works are delivered safely and to project requirements

Project focus:
* Data centre commissioning projects across the UK
* Critical power systems, standby generation and LV/HV infrastructure
* Diesel generator installation, testing and handover
* New-build and upgrade projects within live data centre environments
* Mission-critical power delivery for major operators

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