> Markdown version of [/jobs/ext/2328624-principal-cable-system-design-engineer](https://www.wearedevelopers.com/jobs/ext/2328624-principal-cable-system-design-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Cable System Design Engineer - **Company:** AECOM - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Adobe InDesign, Systems Engineering, System Software, Systems Integration, Working Model 2D - **Published:** August 15, 2026 - **Apply:** https://www.totaljobs.com/job/principal-cable-system-design-engineer/aecom-job107844837 ## About the Role Ready to push the limits of what's possible?, * Demonstrated experience as a technical leader in HV/EHV cable system design. * Proven track record in design, specification, and installation of complex cable systems including tunnel, urban, and constrained environments. * In-depth understanding of international and UK-specific standards, particularly National Grid TPs, IEC, and CIGRÉ guidelines. * Experience working in regulated, quality-assured environments-preferably with National Grid, SSE, EirGrid, or equivalent TSO/DNOs. * Strong ability to coordinate multidisciplinary engineering teams and engage with senior stakeholders across the project lifecycle. * Excellent communication, client-facing, and team leadership/mentorship skills. * Commitment to fostering innovation, digital delivery, and sustainability in design. Desirable Certifications & Qualifications * Degree-qualified in Electrical Engineering or related field; MSc/MEng advantageous. * Chartered Engineer (CEng) status or working towards. * National Grid CDAE certification or similar. * Experience with cable system software (e.g., CYMCAP, WinCable) and advanced analysis tools. ## Description We are seeking a Principal Cable System Design Engineer to join our expanding Transmission & Distribution (T&D) team within AECOM. This is a senior role within the business, with responsibility for driving technical excellence, leading complex projects, and supporting strategic client engagement across a broad portfolio of high-voltage infrastructure schemes. As a Principal Engineer, you will play a critical role in the planning, design, and delivery of cable systems across multiple voltage levels. Our clients include Transmission System Operators, Distribution Network Operators, private developers , and international energy majors across the UK and globally. You will act as a trusted advisor to clients, and contribute to developing our technical standards, innovation strategy, and digital delivery approach within the cable engineering space. This is a fantastic opportunity to be at the forefront of energy transition, delivering world-class solutions for projects that are shaping the grid of tomorrow. Here's what you will do: * Assist with leading the delivery of large-scale HV/EHV cable system projects from concept to completion, ensuring quality, safety, and innovation throughout the lifecycle. * Develop and oversee HV cable system designs, including routing, burial risk assessments, thermal, electromagnetic, and mechanical performance modelling. * Provide expert-level input into cable system ratings, installation methodologies, jointing arrangements, cleating design, and system integration in challenging environments. * Guide and validate complex calculations including ampacity, short circuit forces, EMC, induced voltages, and thermomechanical forces to meet compliance with National Grid TPs, IEC, and CIGRÉ standards. * Undertake client and stakeholder engagement, providing technical assurance, strategic direction, and value-engineered solutions on high-profile infrastructure programmes. * Manage coordination between disciplines, including civil, structural, OHL, substation, and marine engineering inputs, to ensure cohesive and integrated design solutions. * Drive project execution, managing technical risks, interfaces, and quality reviews while supporting procurement, construction, and commissioning phases. * Conduct 3rd-party inspections, FAT/SAT witnessing and vendor oversight for cable and ancillary equipment. * Champion mentorship, knowledge-sharing, and technical development within the wider team, supporting capability growth in cable systems engineering. * Support business development activities, including proposals, bid reviews, and client presentations. Come grow with us. Become part of our dynamic T&D team, which boasts a team of leading and innovating industry experts. Collaborate with top-tier civil, mechanical, electrical, and process engineers to deliver a variety of captivating projects, from small initiatives to large-scale ventures, all the way from concept to completion. At AECOM, you'll thrive in an inclusive and forward-thinking environment where your contributions are valued. Enjoy the Perks. At AECOM, you'll enjoy a range of core and personalised benefits designed to support your future and well-being, customised to fit your lifestyle. Take advantage of career development opportunities, our flexible hybrid working model to ensure a work-life balance that suits your lifestyle, technical practice networks, AECOM University, and volunteering days. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Machine Learning for Software Developers (and Knitters)](https://www.wearedevelopers.com/videos/154-machine-learning-for-software-developers-and-knitters) - [Flexibility is Key: Unlocking the Advantages of Versatile Software Solutions for Strategic Innovatio](https://www.wearedevelopers.com/videos/1943-flexibility-is-key-unlocking-the-advantages-of-versatile-software-solutions-for-strategic-innovatio) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [The Neuro-Architecture of Productivity: How Work Environments Impact Cognitive Performance](https://www.wearedevelopers.com/videos/1122-the-neuro-architecture-of-productivity-how-work-environments-impact-cognitive-performance) - [Architecture Communication Canvas](https://www.wearedevelopers.com/videos/674-architecture-communication-canvas) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)