
We’re pleased to welcome Joe Mahoney to Groundline, who has joined our team as a Cable Engineer, based out of our London office.
In his role, Joe will be working on HV cable projects, focusing on cable design and the planning of cable routes between connection points. As Joe puts it, his job covers “HV cables, how big and where,” combining technical design with practical routing considerations to support successful project delivery.
Joe chose to join Groundline because of the company’s people‑focused workplace culture, and he is looking forward to being part of a supportive team environment while continuing to develop his career in cabling.
Originally from Manchester, Joe was raised in Scotland, where he studied and spent most of his life before recently relocating to London with his girlfriend. He holds a degree from the University of Glasgow in Electronic with Music, a unique background that involved building DIY synthesisers.
Outside of work, Joe’s interests include football, cricket, art, history, and music. A keen musician,he plays guitar and mandolin, bringing creativity and curiosity both in and out of the workplace.
GROUNDLINE ENGINEERING
Groundline is a global consultancy specializing in transmission and distribution lines engineering services for network operators and service providers.
We bring creative thinking to projects, ensuring solutions are cost-effective, resilient, safe and good for the planet.
With offices in the USA, the United Kingdom, Australia and New Zealand, we have experience in all aspects of the power lines industry - from 11kV to 500kV+, new builds to refurbishments, condition assessments to asset management, site support and design verifications, to project management. Our team have worked around the world, from remote, dry deserts, to wild, wet rainforests, urban cities, to cyclone-prone prairies.
Whatever challenges you face, we understand your requirements.
Get in touch to discuss how we can ensure your power network is fit for the future.
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Welcome to Groundline, Mathilde. We’re very pleased to have you on the team.

Globally, as we transition toward a cleaner, electrified future, one reality has become clear: we cannot decarbonise without building. New overhead lines, underground cables, substations,and renewable energy infrastructure will shape the energy landscape for decades to come.

