Commissioning Engineer

Overview

In this role you will lead HV/LV commissioning across switchgear, substations and critical power systems up to 33kV, supporting diverse projects UK-wide and internationally. You will perform testing, fault diagnosis, and modifications, working hands-on with customers to ensure safety and technical excellence. The role spans ATS, EV charging integration, and protection/control systems, contributing to reliable power distribution and project handover. This is an impact role in demanding environments with cross-functional collaboration.

Pay / Benefits

• Competitive salary & bonus scheme
• 28 days annual leave plus public holidays
• Pension scheme
• Employee share ownership programme
• Health & wellbeing support options
• Gym flex and learning portal

Responsibilities

• Perform commissioning on HV/LV switchgear, substations, transformers, protection systems up to 33kV
• Execute functional testing, secondary injection testing, relay configuration, protection verification
• Oversee installation supervision, commissioning, maintenance, modifications, refurbishment and fault diagnosis
• Support energisation, system integration and handover
• Lead technical investigations resolving protection, control and network defects
• Assist commissioning on ATS systems and EV charging infrastructure
• Carry out FAT and SAT where required
• Assist with customer witness testing and final project acceptance
• Review drawings, procedures and test procedures for readiness and allocate activities with project managers
• Mentor junior engineers as needed
• Document test results, prepare site reports and ensure timely submission
• Verify calibration and suitability of test equipment
• Deliver customer training and technical support
• Support in preparing quotations and proposals for site activities

Key requirements

• Minimum 5 years in HV/LV commissioning, protection testing, and electrical distribution systems
• Experience installing, commissioning, maintaining, and fault-finding on switchgear and substations up to 33kV
• Ability to work independently and in multidisciplinary teams
• Experience on UK, overseas and offshore projects
• Strong background in protection and control systems commissioning
• Experience supervising commissioning activities and site teams

• Strong communication and client-facing abilities
• Proactive problem-solving and fault-finding mindset
• Self-motivation and ability to work with limited supervision
• HV & LV switchgear commissioning
• Protection relay testing & configuration
• HV network commissioning up to 33kV

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