Job Description Start here. Grow here. We are seeking experienced Senior Cable System Design Engineers to join our growing Transmission & Distribution (T&D) team and develop their careers. The successful candidate will play a key role in delivering a range of cable system projects across multiple voltage levels, serving clients including Transmission System Operators, Distribution Network Operators, and private developers worldwide. You will contribute to projects throughout the entire lifecycle - from feasibility and concept through to detailed design, installation supervision, and commissioning of onshore infrastructure. You will collaborate closely with the AECOM T&D Team, gaining exposure to external clients and ensuring project delivery meets our standards for quality, safety, and environmental care. This is a fantastic opportunity to contribute to some of the most exciting infrastructure and energy transition projects in the world. Here’s what you will do: Deliver full lifecycle cable engineering packages from feasibility studies and concept design through to detailed design, installation support, and commissioning. Review complex HVAC and HVDC cable system designs, including route development, burial risk assessments, thermal, electromagnetic, and mechanical calculations. Undertake cable rating and system studies including ampacity, short circuit forces, thermal stability, and electromagnetic interference analysis. Carry out cable pulling, jointing, cleating, and installation feasibility studies. Collaborate with civil, structural, substation and OHL teams to ensure fully integrated solutions. Conduct third-party inspections and support FAT/SAT, installation, and commissioning activities. Support the interface activity with manufacturers, suppliers, and contractors to verify compliance with IEC, CIGRÉ, National Grid TPs, and other international standards. Participate in client meetings, technical workshops, HAZID/HAZOPs, and multidisciplinary coordination. 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.