Electrical Field Service Engineer (EV Infrastructure)
Location: South London (Croydon)
Sector: EV Infrastructure
Salary: £39 – 50,000 DOE Plus Van and Fuel Card
Overview
Holt Engineering is seeking an Electrical Field Service Engineer to commission, maintain, and repair EV charging equipment across the UK, including AC chargers, Rapid DC, Ultra and High-Power Charging (HPC) systems.
This position suits an engineer with a strong electrical background who can work autonomously and deliver high-quality on-site support. The successful candidate will ensure EV charging stations operate reliably, safely, and to the standards expected by clients and end users.
The role involves working in varied environments, including outdoor locations and confined spaces. Occasional travel and overnight stays will be required.
Essential requirements
NVQ Level 3 Electrical qualification
Minimum 2 years’ experience in a field-based engineering role (commissioning, maintenance, or repair of electrical systems/equipment)
Proven ability to work independently on customer sites and resolve issues without direct supervision
Experience working in SLA-driven environments
Familiarity with test and measurement tools such as multimeters and voltage testers
Strong fault-finding and problem-solving capability, including diagnosis of complex issues
Clear communication and strong customer-facing skills
Effective time management while travelling between sites
Full UK driving licence with 6 penalty points or fewer
AM2 QualificationDesirable requirements
BS7671:2018 (18th Edition Wiring Regulations)
City & Guilds 2391/2394 Testing and Inspection
Experience in EV charging, renewable energy, or power electronics environments
EV charging certification and/or manufacturer-specific training
Hands-on experience commissioning, maintaining, and repairing Rapid DC, Ultra and HPC chargers
Ability to read and interpret electrical schematics and technical manuals
Understanding of analogue and digital electronics and components
Strong awareness of electrical hazards and on-site health & safety requirementsKey responsibilities
Work closely with Service Coordination and Operations teams to ensure accurate job data capture and timely service reporting
Commission and configure AC and Rapid DC chargers on client sites
Complete initial setup and functional testing to ensure correct operation and compliance with relevant standards
Collaborate with project management and installation teams to support smooth integration of chargers into customer infrastructure
Maintain company tools, assets, and test equipment, reporting defects promptly
Carry out routine and preventative maintenance to maximise charger uptime and performance
Diagnose and resolve issues across electrical, mechanical, and software-related fault types
Perform diagnostic testing, firmware updates, and calibration where required
Replace faulty components and, where necessary, complete full AC charger swaps, following manufacturer guidelines
Provide on-site technical support and basic operational guidance/training to clients
Respond to service requests promptly and keep clients updated to support customer satisfaction
Record all service activity, repairs, maintenance actions, and customer communications within the service management system
Follow all company policies and safety procedures while working in the field
Ensure compliance with applicable electrical codes and standards during commissioning and maintenance
Participate in mandatory safety training and renew certifications as requiredBenefits
Structured career progression framework
Company van and fuel card
Overtime
30 days annual leave (inclusive of company shutdown days)
Travel subsistence provided
Discretionary company performance bonus
BUPA healthcare (after 6 months)
Salary sacrifice pension scheme (8% total)
Salary sacrifice EV car scheme and charger installation
Salary sacrifice holiday purchase scheme (up to 5 days)
Enhanced family-friendly policies
Flexible benefits platform with a wide range of discounted products and services
Long service awards