Commissioning Engineer

Rubicon Consulting is currently recruiting for Commissioning Engineer on a 3 Year contract, based on Sites UK Wide. This Role is outside IR35. Role Summary We are seeking an experienced Commissioning Engineer to join a…

Outside IR35 Engineering
Contract type Contract
Posted 26 August 2026

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About this contract

Rubicon Consulting is currently recruiting for Commissioning Engineer on a 3 Year contract, based on Sites UK Wide. This Role is outside IR35.

Role Summary

We are seeking an experienced Commissioning Engineer to join a major National Grid substation delivery project, working on the commissioning of new and upgraded 400kV substation assets. This is a long-term opportunity offering contract stability over a 3-year term.

KEY RESPONSIBILITIES

* Carry out commissioning activities on 400kV substation equipment, including switchgear, protection, and control systems

* Conduct functional testing, fault finding, and verification in line with National Grid technical standards and specifications

* Liaise with site teams, designers, and client representatives to resolve technical issues during commissioning

* Complete and maintain accurate commissioning documentation, test records, and reports

* Ensure all works are carried out safely and in compliance with relevant HSE, CDM, and National Grid site regulations

* Support handover and energisation activities as required

Requirements

ESSENTIAL REQUIREMENTS

* Demonstrable commissioning experience on high voltage substations, ideally at 400kV or equivalent transmission level

* Strong technical knowledge of high voltage switchgear (GIS and/or AIS)

* Sound understanding of protection, control, and testing systems on transmission assets

* Experience working on National Grid or similar transmission-level projects

* Relevant electrical engineering qualifications (HNC/HND or equivalent

* Willingness to be based on site full-time for the duration of the contract

DESIRABLE

* Previous experience with National Grid technical specifications and processes

* Relevant safety passport / site access qualifications

Our Company

Rubicon Consulting is a Talent management consultancy which helps you to optimise business performance and competitive advantage by choosing the right people first time

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