Electrical Technician

Sapien Engineering; Clapham; On-site; GBP 42,000 - 54,000; Full time

Benefits offered by this job

25 days holiday

Job summary

Sapien Engineering is seeking an experienced Senior Electrical Technician to support build, install, commission and fault-diagnose electrical systems on prototype and low/high-volume vehicles near Clapham. You will manufacture wiring harnesses, integrate systems and work with Electrical Engineers to deliver high-quality prototypes.

Key responsibilities include reading schematics, assembling LV/HV harnesses, testing, diagnosis, and supporting vehicle commissioning.

Qualifications

• Experienced automotive electrical technician with prototype/motorsport background.
• Strong fault-finding and diagnostic skills across LV/HV systems.
• Able to interpret complex electrical schematics and engineering drawings.
• Familiar with testing equipment and vehicle diagnostics.

Responsibilities

• Manufacture LV/HV wiring harnesses from drawings and build docs.
• Assemble and terminate automotive electrical connectors.
• Install, route and secure wiring harnesses to quality standards.
• Build, modify and repair prototype electrical systems during development.
• Read schematics, diagrams, pin-outs and harness drawings.
• Integrate ECUs, sensors, actuators and power distribution units.
• Carry out continuity, insulation resistance and functional tests.
• Support vehicle commissioning and development testing.
• Mentor junior technicians and contribute to continuous improvement.

Skills

Electrical fault-finding

CAN networks

Schematic reading

Diagnostics

High voltage systems

Mentoring

Tools

Multimeters

Oscilloscopes

CAN tools

Insulation resistance tester

Automotive diagnostic equip

Job description

Sapien are looking for an experienced Senior Electrical Technician to support the build, installation, commissioning, and fault diagnosis of electrical systems on prototype and low and high volume vehicles.

Our client are a British engineering company based near Clapham, that designs and builds extreme off road vehicles. Their vehicles are used by explorers, aid organisations and military personnel who need to operate in challenging environments and remote areas with limited infrastructure.

Working in a fast paced development environment, you will manufacture wiring harnesses, integrate electrical systems, diagnose faults, and work closely with Electrical Engineers to deliver high quality prototype vehicles.

Key Responsibilities

• Manufacture LV and HV wiring harnesses from engineering drawings and build documentation.
• Assemble and terminate automotive electrical and high-voltage connectors.
• Install, route, and secure vehicle wiring harnesses to meet quality and serviceability standards.
• Build, modify, and repair prototype electrical systems throughout vehicle development.
• Read and interpret electrical schematics, wiring diagrams, connector pin-outs, and harness drawings.
• Integrate ECUs, sensors, actuators, lighting, power distribution units, and other vehicle electrical systems.
• Manufacture HV cable assemblies using approved tooling and processes.
• Carry out continuity, insulation resistance, and functional testing.
• Diagnose and resolve complex electrical faults using wiring diagrams, multimeters, oscilloscopes, CAN tools, and diagnostic equipment.
• Support vehicle commissioning, development testing, and engineering investigations.
• Maintain accurate build records and provide feedback to improve design and manufacturability.
• Ensure all work complies with quality standards and LV/HV safety procedures.
• Mentor junior technicians and contribute to continuous improvement activities.
• Extensive experience as an Automotive Electrical Technician in a prototype, motorsport, specialist vehicle, or OEM environment.
• Ability to interpret complex electrical schematics and engineering drawings.
• Strong electrical fault-finding and diagnostic skills.
• Experience using multimeters, insulation resistance testers, oscilloscopes, and automotive diagnostic equipment.
• Good understanding of CAN and automotive communication networks.
• Knowledge of automotive wiring standards and best practices.
• Experience working safely on high-voltage vehicle systems.

Compensation & Other Benefits

• Competitive Salary + Basic Benefits Package (including 25 days holiday)
• Opportunity to work with a hugely progressive product line
• On Site 5 days per week, with some flexibility (project/workload dependent)

Please note that our clients are unable to offer sponsorship for employment visas. Due to the high volume of applications, we receive, only those shortlisted will be contacted. If you do not hear from us within 14 days of applying, please assume that your application has not been successful.