Job Description:

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 Qualification

Desirable 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 requirements

Key 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 required

Benefits

• 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