Principal Cable System Design Engineer (Transmission & Distribution)

Overview

As a Principal Cable System Design Engineer, you lead the planning, design, and delivery of HV/EHV cable systems for complex infrastructure projects within a global T&D team. You will drive technical excellence, engage with key clients, and shape standards and digital delivery approaches for high-profile energy schemes. You’ll work across disciplines to ensure safe, compliant, and innovative solutions that support energy transition and large-scale grid upgrades. This role offers impact across projects, clients, and technical standards in a world-class infrastructure firm.

Pay / Benefits

• hybrid working model
• career development opportunities
• AECOM University
• volunteering days
• flexible working arrangements
• well-being programs

Responsibilities

• Lead delivery of large HV/EHV cable system projects from concept to completion
• Develop HV cable system designs including routing, burial, thermal, EM, and mechanical modelling
• Provide expert input on ratings, installation methods, jointing, cleating, and system integration in challenging environments
• Validate calculations (ampacity, short circuit, EMC, induced voltages, thermomechanical forces) against National Grid TPs, IEC, and CIGRÉ
• Engage with clients and stakeholders, delivering technical assurance and value-engineered solutions
• Coordinate multidisciplinary inputs (civil, structural, OHL, substation, marine) for integrated designs
• Drive project execution, manage technical risks and quality reviews across procurement, construction, and commissioning
• Perform 3rd-party inspections, FAT/SAT witnessing, and vendor oversight for cable equipment
• Mentor and develop cable systems capability within the team
• Support business development including proposals, bid reviews, and client presentations

Key requirements

• Technical leadership in HV/EHV cable system design
• Experience with complex cable installations in tunnels, urban, and constrained environments
• Strong knowledge of National Grid TPs, IEC, CIGRÉ standards
• Experience with regulated, quality-led environments; familiarity with TSOs/DSOs preferred
• Ability to coordinate multidisciplinary teams and engage senior stakeholders
• Excellent communication, client-facing skills, and team leadership/mentorship

• communication
• stakeholder engagement
• leadership
• HV/EHV cable system design
• routing and burial risk assessment
• thermal, electromagnetic and mechanical modelling

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