Senior Electrical Technician - Prototype EV Systems On-Site

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 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.