SF₆ Field Service Engineer (Electrical / Mechanical / Switchgear / HV) Power Engineering Services (PES) is growing its specialist SF₆ division and is looking for a hands-on Field Service Engineer to join the team. UK-wide travel | Workshop base: Wortley, Leeds £17-£20 per hour + overtime + progression Overtime and travel-based work provide strong earning potential above the base rate. Monday to Thursday: 7:00am - 4:00pm /Friday: 7:00am - 1:00pm About the Role Power Engineering Services (PES) is expanding its specialist SF₆ division and is seeking a hands-on SF₆ Service & Site Engineer to join the team. This is a varied, site-focused role working across the UK on high and medium voltage electrical equipment. You’ll play a key part in delivering SF₆ gas handling services during maintenance, repairs, and breakdowns on gas-insulated switchgear. As the division grows, your time will be split between UK site work and workshop-based activities at our Leeds facility. What You’ll Be Doing On-Site Responsibilities (Primary Focus) SF₆ gas degassing and recovery from HV/MV switchgear
System evacuation to remove air and moisture
Controlled re-gassing to manufacturer specifications
SF₆ gas analysis (moisture, purity, decomposition)
Leak detection and pressure verification
Supporting maintenance and repair work on client sites
Completing all documentation, gas records, and certifications
Ensuring compliance with F-Gas and environmental regulations
Workshop & Equipment Servicing (Wortley, Leeds) Servicing and maintaining SF₆ gas handling equipment
Equipment inspection and strip-down
Replacement of genuine OEM components
Reassembly and full functional testing (leak, vacuum, pressure, safety systems)
Preparing equipment for hire (tested, certified, and ready for use)
What We’re Looking For Mechanical or electrical background (essential)
Experience in industrial or site-based environments HV/MV or switchgear experience (desirable, not essential)
SF₆ experience (advantageous but not required)
Practical, hands-on approach with strong problem-solving skills
Full UK driving licence
Willingness to travel and stay away when required
Training & Development Full training provided for the right candidate
Company-funded F-Gas certification (if not already held)
Manufacturer training on specialist SF₆ equipment
Ongoing development with clear career progression as the division expands
PES holds an exclusive UK service agreement with a leading European manufacturer of SF₆ gas handling equipment, giving you access to specialist training, manufacturer support, and a niche skillset that is in high demand across the power industry.
What We Offer Travel and accommodation fully covered for site work
Funded training and certifications
Clear progression within a growing specialist division
Potential company vehicle as the department develops
If you’re looking to build a career in a specialist, high-demand engineering field with excellent training and progression opportunities, we’d love to hear from you. Apply today. Other suitable skills and experience include. Field Service Engineer, Service Engineer, Electrical Engineer, Mechanical Engineer, High Voltage (HV), Medium Voltage (MV), SF6 / SF₆, Switchgear, Power Engineering, maintenance engineer, installation engineer