Senior CAD Engineer - Overhead Lines (OHL)

Job description

Company Description Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations. There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. We're one global team driven by our common purpose to deliver a better world. Join us. Job Description Start here. Grow here. Are you ready to lead a team of talented engineers and shape the future of energy infrastructure? In this crucial role, you will be a key member of our Transmission & Distribution Overhead Lines team dedicated to leading and engaging with our clients to deliver technically challenging OHL design projects. Your primary focus will be to provide project technical support for the delivery of our major transmission projects, encompassing overhead transmission lines up to 400kV - including National Grids Great Grid Upgrade. You'll support a dynamic engineering team throughout the project lifecycle, providing detailed drawings from feasibility to construction and as‑built stages, playing a key role role in maintenance of CAD standards, ensuring quality, accuracy, and consistency across all OHL design outputs. Here’s what you’ll do: Produce detailed 2D and 3D CAD drawings for overhead line structures, route layouts, and associated components. Prepare wire clearance diagrams, including ground profiles, crossing assessments, statutory clearances, and conductor behaviour envelopes. Generate detailed insulator set drawings, including string configurations, hardware assemblies, phase spacing, and structure interface details for 132kV–400kV OHL systems. Support Design engineers in producing PLS‑CADD Plan & Profile drawings. Produce construction drawings, General Arrangements (GAs), fabrication details, schematics, and as‑built drawings. Integrate survey data, LiDAR/point clouds, GIS information, and PLS‑CADD outputs into CAD deliverables. Develop and maintain drawing libraries, templates, and symbols for the OHL discipline. Ensure full adherence to NG/ET/SR_135 – Drawings Management Process for any work affecting National Grid transmission assets, including design revisions and approvals through ECM/IDMS systems. Prepare drawing packs, as well as support and maintain Site Drawing Index (SDI), Contract Drawing List (CDL) and the Development Document Register. Work across the development phase; reviewing existing site drawings and suitability to reuse and assist with review master drawings (ECM/IDMS) and verifying that records are up-to-date and non conflicting ahead of projects starting. Work across the delivery phase; ensuring all modified or new drawings comply with NG/ET/SR_135 and NG/ET/SR_188 Design Management requirements, providing coordination support by taking part in drawing reviews and commissioning workshops. Provide excellent technical support to milestone projects; interpreting engineering calculations to produce and validate accurate technical drawings using PLS-CADD outputs. Providing engineering support in things like route optimisation, clash detection, access planning and constructability reviews. 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. Qualifications Ready to push the limits of what’s possible? Come grow with us. Here’s what we’re looking for: HNC/HND or equivalent in Engineering, Civil/Structural Engineering, CAD/Design Technology, or related field. CAD certification (AutoCAD/Bentley/PLS‑CADD) beneficial. CAD experience within the power transmission, overhead line, utility, or civil/structural engineering sector is preferred. Experience using AutoCAD, MicroStation, Bentley tools, or similar CAD platforms. Strong experience with PLS‑CADD including plan/profile generation and 3D clearance analysis. (Optional). Experience producing drawings for 132kV, 275kV, and/or 400kV OHL projects is highly desirable. Prior experience working under National Grid or DNO standards. Ability to work with Georeferenced point clouds, LiDAR, GIS data, and 3D terrain models. An understanding of OHL design principles, conductor sag/tension behaviour, and structure spotting is highly desirable. Someone who has excellent attention to detail, accuracy, and consistency and strong communication/coordination skills Someone who is quality driven and meticulous. We celebrate diversity, including neurodiversity, and believe it enriches our team. We welcome applications from all backgrounds and abilities. If you are an applicant with a disability that requires reasonable accommodation to complete the application process, please contact us at ReasonableAccommodations@aecom.com . At AECOM, we value everyone's unique contributions and perspectives. If you meet some of the requirements above or have transferable skills you believe would benefit us, we would be delighted to hear from you! Additional Information Interested in the role or curious about life at AECOM? Follow us on LinkedIn, Facebook, Instagram, and YouTube to explore our AECOM voices, employee stories, latest projects, and much more! For further information about the role, reach out to the recruiter on LinkedIn (Francesca Siddle) About AECOM AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM. Freedom to Grow in a World of Opportunity You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed. You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients. AECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too. Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours. We are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition, who meet the minimum/essential criteria for the role. Please let us know using this email address ReasonableAccommodations@aecom.com if you would like to apply through the Disability Confident Interview Scheme. All your information will be kept confidential according to EEO guidelines.