

Trusted global infrastructure consulting firm delivering engineering, design, construction management services.
We are seeking a Principal Cable System Design Engineer for our Transmission & Distribution team. This senior role drives technical excellence, leads complex high‑voltage cable projects and supports strategic client engagement across a portfolio of schemes worldwide.
The principal engineer will act as a trusted advisor to Transmission System Operators, Distribution Network Operators, private developers and international energy majors, contributing to technical standards, innovation strategy and digital delivery.
You will join a dynamic T&D team of leading industry experts, collaborating with civil, mechanical, electrical and process engineers on projects ranging from small initiatives to large‑scale ventures, in an inclusive and forward‑thinking environment where contributions are valued.
The ideal candidate has demonstrated experience as a technical leader in HV/EHV cable system design, a proven track record of complex installations in tunnel and urban environments, and in‑depth knowledge of National Grid TPs, IEC and CIGRÉ standards.
Strong multidisciplinary coordination, senior stakeholder engagement, excellent communication and team‑leadership skills, and a commitment to innovation, digital delivery and sustainability are essential.
At AECOM we deliver a better world. Our work improves commutes, provides clean water, and transforms skylines, helping people and communities thrive as the world’s trusted infrastructure consulting firm.
AECOM offers a range of core and personalised benefits, flexible hybrid working, career development opportunities, technical practice networks, AECOM University and volunteering days to support your future and well‑being.
We celebrate diversity, including neurodiversity, and welcome applicants of all backgrounds. Reasonable accommodations are available for candidates with disabilities.
The role is based in Manchester, UK, with hybrid work options and a commitment to a safe, respectful workplace that embraces each person’s unique talents.