About the Energy Unit
The Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation, and transmission & distribution networks. Together we provide integrated engineering and project management services across the project lifecycle – from concept and design to construction and operations, to decommissioning or repowering and life extension. Together with our clients, we’re helping to deliver the energy transition globally.
Senior Electrical Engineer (HV Cable Design) – Join Our Dynamic Transmission & Distribution Team
Following on from a number of exciting major project awards, our Transmission & Distribution division is expanding and we’re seeking an experienced HV Transmission Cables Engineer to join our dynamic team. From underground interconnectors to offshore wind farms, your expertise will shape the backbone of our energy infrastructure.
HVAC/HVDC Cable System Design: Dive into all aspects of transmission cable system design, from conceptualization to implementation for onshore and offshore projects.




Collaborate with cross‑functional teams to ensure seamless integration of HV cables into substations, converter stations, and grid networks.
Conduct feasibility studies, risk assessments, and cost analyses for transmission cable system projects.
Front End Engineering Design (FEED): Deliver innovative solutions for cable systems integration into major infrastructural development projects.
Consenting Stage Cable System design: Lead the interface with our civil and environmental teams to plan the delivery of transmission cable systems in line with consenting requirements.
Tender Stage Design/Detail Design: Develop concept stage design through to construction detail level for transmission cable systems.
Troubleshoot and resolve transmission cable‑related issues during installation and operation/maintenance phases.
Stay abreast of technological advancements in HV cable materials, insulation, and t

📌 Principal Electrical Engineer (Madrid)
🏢 Mott MacDonald
📍 Madrid