Job Description Start here. Grow here. Are you ready to join a team of talented engineers and shape the future of energy infrastructure? The Transmission & Distribution (T&D) Engineering team provides a range of services from the initial concept through Power Systems Analysis, Cabling, Substations, Transmission and Distribution Infrastructure, System Balancing and Compensation, Protection Systems, SCADA, Communications, Converter Station Design, HVDC Systems and Interconnectors including overseas links. Come and join us and work directly on the UK's most groundbreaking T&D project - National Grid's Great Grid Upgrade. AECOM and its joint venture partner have been appointed as design and consenting service partners for the UK National Grid’s Great Grid Partnership. Part of a £9bn Enterprise partnership that will connect clean energy to homes and businesses across England and Wales by 2030. Come and join us, grow your career and contribute to the delivery of this fantastic project! Here’s what you’ll do: In this crucial role, you will be a key member of our Transmission & Distribution team dedicated to leading and engaging with our clients to deliver technically challenging OHL design projects. Your primary focus in the role of Senior OHL Engineer is to provide project technical support and responsible for design of transmission projects. This team will work on various projects encompassing overhead transmission lines up to 400kV. Provide technical support in delivering overhead line design on complex multi-discipline projects. Have the opportunity to be involved in large programmes of work like GGP projects. Support in writing proposals and outlining all project details, including the timeline, resources, budget, objectives, and goals. Provide technical support and input throughout the project implementation, statutory planning, and participation in public consultation events. Be responsible for design activities related to the overhead line. This encompasses PLS-CADD modelling, meticulous line routing, comprehensive structural analysis and loading trees, formulation of design criteria, precise sag-tension calculations, insulator/conductor blowout, swing angle, damper system recommendations, strategic structural spotting, thorough clearance reports, and judicious conductor and insulator selection. Support in feasibility studies, performing conductor thermal ratings, and ensuring compliance with industry standards and regulations. Conduct studies to identify a technically preferred solution/layout to present to the client. Originate and check engineering deliverables such as complex designs, reports, proposals, presentations, and drawing packages. Perform internal quality checks of engineering drawings and calculations. 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.