Commissioning Service Engineer - HV/LV Switchgear

Schneider Electric; Glasgow; Hybrid; GBP 40,000 - 55,000; Full time

Job summary

A global energy management company is seeking a skilled Commissioning Service Engineer in Scotland to manage HV/LV switchgear and related systems. This role involves hands-on work across the UK, focusing on installation and maintenance. Ideal candidates should have troubleshooting experience and a solid understanding of electrical safety regulations. The position offers competitive pay, 28 days of annual leave, and opportunities for professional growth.

Benefits

Competitive salary and bonus scheme

28 days annual leave plus public holidays

Pension scheme

Health and wellbeing support options

Qualifications

• Experience with HV/LV switchgear and transformers.
• Willingness to travel and work flexibly including overseas assignments.
• Ability to supervise teams on-site.

Responsibilities

• Install, commission, and maintain switchgear and transformers.
• Perform testing and diagnostics including Partial Discharge.
• Lead on-site activities and coordinate with project managers.

Skills

Experience working with electrical distribution systems

Ability to troubleshoot and diagnose faults

Knowledge of HV/LV systems and electrical safety regulations

Strong communication skills

Tools

CT Magnetisation Curves

Relay Secondary Injection

Mechanical/Electrical function testing of switchboards

Job description

Overview

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.

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 such as Bus Zone protection.
• Relay Secondary Injection (electromechanical and solid-state relays) for current & voltage protection.
• VT Primary Injection
• Control Circuit Wiring testing & modification; verifying each panel against schematic diagrams and fault finding; ability to read schematics.
• Mechanical/Electrical function testing of 415V - 33kV switchboards & networks
• G59/G99 protection – Under/Over Voltage, Under/Over Frequency, ROCOF/dF/dT
• Familiarity with basic secondary Injection sets (e.g., Sverker 760/780, T&R 100/200ADM, T&R DVS3)
• Knowledge of BEBS S12 (1964) wire identification standard as used in UK HV switchgear
• Knowledge of basic transformer protection devices and related 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

• Competitive salary and bonus scheme
• 28 days annual leave plus public holidays
• Holiday buy & sell programme
• Pension scheme
• Employee share ownership programme
• Health and wellbeing support options
• Gym flex and internal mobility opportunities
• Discounts, learning portal, and more

At Schneider Electric, diversity and inclusion are at the heart of our organisation. We recognise that embracing diversity unlocks innovation and fosters collaboration. We want our employees to reflect the diversity of our communities and the customers we serve. We are an Equal Opportunity Employer and support the Disability Confident Program.

Equal Opportunity Statement

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.