[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All AECOM jobs](https://jobs.opennash.com/companies/aecom/) · [Search jobs](/search/) AECOM · Madrid, ESP # Senior/Principal Engineer - T&D - Overhead Lines Madrid, ESP Senior individual contributor Operations Listed on AECOM’s official careers site. Posted July 7, 2026. Check that it is still open and apply there. [Apply on AECOM’s careers site →](https://aecom.jobs/jobs/EE73C20CE710430F8934704BA1941BDF/job/) [OpenNash Jobs](https://jobs.opennash.com/) / [AECOM](https://jobs.opennash.com/companies/aecom/) / Senior/Principal Engineer - T&D - Overhead Lines ## 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 _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 (Overhead Lines) design projects. Your primary focus in the role of Principal 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. ### Qualifications - Bachelor’s degree in Engineering (Civil, Structural, Mechanical, or Electrical Engineering) is essential. - Experience delivering projects for transmission system operators such as National Grid, SSE and REE in line with each operator’s standards. - Project experience in overhead line engineering (ideally up to 400kV). - Chartered or Professional Engineer status (or working towards it) is preferred. - Proven ability to coordinate across disciplines and review detailed technical outputs to a high standard. Additional Information _At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously._ _To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment._ ### About AECOM AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. What makes AECOM a great place to work You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. ### ReqID J10155433 ### Business Line Environment ### Business Group DCS ### Strategic Business Unit Europe & India ### Career Area Engineering ### Work Location Model Hybrid ## At a glance - Posted by the employer: Jul 7, 2026 - First seen by OpenNash: Jul 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 104 days - Location: Madrid, ESP[Apply on AECOM’s careers site →](https://aecom.jobs/jobs/EE73C20CE710430F8934704BA1941BDF/job/) ## More jobs at AECOM ### [Electrical Engineer](https://jobs.opennash.com/companies/aecom/jobs/1377911b0fc7fa5117df/) Madrid, ESP ### [Engineer - Bridges & Structures](https://jobs.opennash.com/companies/aecom/jobs/8b42ecbd78e32a74752d/) Madrid, ESP ### [Engineer - Highways](https://jobs.opennash.com/companies/aecom/jobs/5357affe6dba38dbc388/) Madrid, ESP ### [Engineer - T&D Overhead Transmission Lines](https://jobs.opennash.com/companies/aecom/jobs/5fb97d3ec05fb5b68e86/) Madrid, ESP ## Similar jobs at other companies ### [Overhead Lines (OHL) Design Engineer](https://jobs.opennash.com/companies/engie/jobs/3d49a26aa300044da2f8/) ENGIE · Bucuresti, Romania ### [Site Manager (Overhead lines - Civils bias)](https://jobs.opennash.com/companies/iberdrola/jobs/a4e42dd02178b31fbef7/) Iberdrola · United Kingdom, Blantyre ### [Senior Underwriter Financial Lines & Cyber](https://jobs.opennash.com/companies/allianz/jobs/2f4f2838fd8e65d7c543/) Allianz · Antwerp, Belgium ### [Underwriter Financial Lines (m/f/d)](https://jobs.opennash.com/companies/allianz/jobs/6eff049c723140d19dc6/) Allianz · Wien, Austria ### [Branch Manager-Gold Loan-Civil Lines, Bareilly](https://jobs.opennash.com/companies/grasim-industries/jobs/f71f78a39b984fe2d160/) Grasim Industries · Uttar Pradesh OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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