Overview
Commissioning Service Engineer - HV/LV Switchgear – Location: Scotland. Power up your career with a hands-on engineering role in critical infrastructure.
What you’ll do
* Install, commission, and maintain switchgear, transformers, and related equipment (400V-33kV).
* Perform testing and diagnostics, including Partial Discharge, thermal imaging, and oil sampling.
* Lead on-site activities, supervising teams and coordinating with project managers.
* Work flexibly, including travel across the UK and internationally, as part of a 24/7 on-call rota.
* Produce reports and documentation to ensure high standards of work completion.
What we’re looking for
* Experience working with electrical distribution systems, switchgear, or transformers.
* Ability to troubleshoot and diagnose faults in electrical equipment.
* Knowledge of HV/LV systems and electrical safety regulations.
* Willingness to travel and work flexibly, including some overseas assignments.
* Strong communication skills and the ability to supervise teams on-site.
Required knowledge and skills
* High Voltage Testing (415V - 33kV systems).
* CT Magnetisation Curves – using variac/volt & ammeter and CT analyser; polarity check without CT analyser.
* CT Primary Injection — standard protection (OC/EF/Metering) configuration & high impedance schemes.
* Relay Secondary Injection (electromechanical and solid-state relays) including current & voltage protection.
* VT Primary Injection; Control Circuit Wiring testing & modification; ability to read schematic diagrams.
* Mechanical/Electrical function testing of 415V-33kV switchboards & networks.
* G59/G99 protection; ROCOF/dF/dT.
* Familiarity with secondary injection sets (e.g., Sverker 760/780, T&R 100/200ADM, T&R DVS3).
* Knowledge of BEBS S12 (1964) wire identification standard used in UK HV switchgear.
* Knowledge of basic transformer protection devices and test methods.
* Operational knowledge of basic auto-changeover schemes.
Why join Schneider Electric
* Work with industry-leading technology in critical power infrastructure.
* Ongoing training and development.
* Supportive team environment with opportunities to grow within a global company.
* Varied and exciting work—no two days are the same.
What we offer
* Competitive salary and bonus scheme
* 28 days annual leave + public holidays
* Pension scheme, Employee Share Ownership Programme
* Health & wellbeing options, Gym flex
* Open Talent Market (internal mobility + mentors & projects globally)
* Discounts, Learning Portal, and more
At Schneider Electric, we are an equal opportunity employer. We are committed to diversity and inclusion and to providing equitable opportunities to everyone.
Application note
You must submit an online application to be considered. This position will be posted until filled.
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