Commissioning Service Engineer - HV/LV Switchgear
Location - Scotland
Power up your career with a hands‑on engineering role in critical infrastructure.
We’re looking for a Commissioning Service Engineer to join our team in Scotland, working on HV/LV switchgear, transformers, and electrical distribution systems across the UK and overseas. This role is ideal for someone who thrives in a field‑based, problem‑solving environment, enjoys variety in their work, and wants to develop expertise in installation, commissioning, maintenance, and fault diagnosis.
If you’re an electrical engineer looking for hands‑on experience in power systems, we’d love to hear from you.
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.
It is required that the applicant be experienced in the principles of:
* High Voltage Testing (415v – 33kv systems)
* CT Magnetisation Curves – being able to complete using variac/volt & ammeter as well as CT analyser. Also, polarity check without CT analyser.
* CT Primary Injection – standard protection (OC/EF/Metering) configuration & high impedance scheme such as Bus Zone protection.
* Relay Secondary Injection (Both electromechanical and solid‑state relays) – to include current & voltage protection.
* VT Primary Injection
* Control Circuit Wiring testing & modification – prove each panel to the associated schematic diagram & fault find. Must be able to read schematic diagrams.
* Mechanical/Electrical function testing of 415v – 33kv switchboards & networks
* G59 G99 protection – Under/Over Voltage, Under/Over Frequency, ROCOF/dF/dT.
* Must be familiar with basic secondary Injection sets such as Sverker 760/780, T&R 100/200ADM, T&R DVS3.
* Knowledge of B.E.B.S. S12 (1964) wire identification standard as used in all UK HV switchgear.
* Knowledge of basic transformer protection devices & associated test methods.
* Operational knowledge of basic auto‑changeover schemes.
Why Join Us?
* Work with industry‑leading technology in critical power infrastructure.
* Ongoing training and development to enhance your skills and progress your career.
* A supportive team environment with opportunities to grow within a global company.
* Varied and exciting work—no two days are the same.
What we offer you:
Competitive salary & Bonus Scheme, 28 Days Annual Leave + Public Holidays, Holiday Buy & Sell programme, Pension Scheme, Employee Share Ownership Programme, Various Health & Wellbeing Support Options, Gym Flex, Open Talent Market (internal mobility opportunities + access to mentors & projects globally), Shopping & Dining Discounts, Learning Portal and much more.
At Schneider Electric, Diversity & Inclusion is at the heart of our organisation, it's an integral part of our history, culture, and identity. We recognise that embracing diversity unlocks innovation and creativity and fosters collaboration. We want our employees to reflect the diversity of our communities and the customers we serve. As a result, our teams are stronger to drive the company's future.
We are proudly participating in the Disability Confident Program offering support to people in the workplace who consider themselves living with a disability.
Apply now to be part of a team that keeps industries powered and running.
Equal Employment Opportunity
Schneider Electric is an Equal Opportunity Employer. It is our policy to provide equal employment and advancement opportunities in the areas of recruiting, hiring, training, transferring, and promoting all qualified individuals regardless of race, religion, color, gender, disability, national origin, ancestry, age, military status, sexual orientation, marital status or any other legally protected characteristic or conduct.
You can find out more about our Trust Charter here.
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