HV Substation Tester – Power Delivery

Company: Transport for London (TfL)
Apply for the HV Substation Tester – Power Delivery
Location: London
Job Description:

Transport for London (TfL) is seeking a Power Delivery Substation Tester for London Underground. You will service and fault-find plant across HV/LV equipment to help ensure a reliable power supply to the network.

The role includes travel across the London Underground system, with rotation shifts between days and nights and potential uplift if moved to shift work. You will inspect, test and maintain switchgear, transformers and batteries, undertake live work where required, and prepare defect

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Posted: September 15th, 2026