Senior Engineer - T&D Overhead Transmission Lines

We are seeking an experienced Senior Engineer - T&D Overhead Transmission Lines to join our growing Transmission & Distribution team. The successful candidate will play a leading technical role in the design and delivery of high-voltage and extra-high voltage overhead transmission line projects worldwide, supporting the expansion, reinforcement and modernization of electrical networks associated with the energy transition. This position requires extensive experience in overhead transmission line engineering, including route alignment, line design, mechanical and electrical studies, and multidisciplinary coordination. The Principal Engineer will act as a technical authority within the team, leading complex engineering tasks, reviewing design deliverables, mentoring engineers, and ensuring the highest standards of technical quality throughout project delivery. The role offers the opportunity to participate in major international transmission infrastructure projects across multiple regions and regulatory environments. Key Responsibilities Transmission Line Engineering and Technical Leadership · Lead the engineering of HV/EHV overhead transmission lines, typically ranging from 110kV to 400kV+ · Develop and review route alignments, tower spotting studies, conductor and earth wire selection, insulation coordination and line clearances. · Lead advanced modelling and design activities using PLS-CADD. · Perform and review complex line design studies and ensure compliance with client specifications and industry standards. · Coordinate with civil teams regarding tower loading requirements and foundation design. Transmission Line Calculations and Technical Studies · Perform and review key electrical and mechanical transmission line calculations, including: o Sag-tension calculations. o Conductor blowout studies. o Electrical clearance verification. o Thermal ampacity assessments. o Corona and radio interference studies. o Shielding and lightning performance evaluations. o Load tree generation and tower loading analysis. · Engineering analysis is typically performed using PLS-CADD, TOWER, or PLS-POLE. Project Delivery and Coordination · Lead engineering work packages within multidisciplinary transmission projects. · Coordinate activities with structural, geotechnical, environmental and power system engineering teams. · Support project managers in planning engineering activities and managing technical risks. · Contribute to technical proposals, fee estimates and resources planning. Technical Review and Mentoring · Review drawings, models, calculations and technical reports produced by other engineers. · Provide guidance and mentorship to junior and senior engineers. · Promote engineering excellence, best practices and continuous improvement within the team. · Support the development of internal procedures and technical standards. Construction and Site Support Provide technical support during construction activities, including: · Tower erection and foundation works · Conductor stringing operations · Resolution of site-related technical issues and field design adjustments Mandatory Qualifications Education Bachelor’s degree in Electrical Engineering, Civil Engineering, or Structural Engineering. Experience · Typically 10+ years of experience in overhead transmission line engineering. · Proven experience working on HV/EHV transmission line projects (110kV – 400kV+) · Advanced experience with PLS-CADD · Practical experience using TOWER · Experience delivering projects through feasibility, concept, detailed design and construction support phases. · Experience reviewing technical deliverables and coordinating multidisciplinary engineering activities. · Strong written and verbal communication skills in English. Preferred Qualifications · Experience with PLS-POLE · Experience in underground transmission cable projects · Familiarity with CYMCAP for cable ampacity analysis · Experience working on international transmission projects · Knowledge of IEC, IEEE, EN and utility-specific standards · Experience with UK, European, Middle East or North American transmission utilities Leadership and Soft Skills · Strong technical judgement and analytical skills. · Ability to lead complex technical discussions. · Strong communication and stakeholder management skills. · Ability to mentor engineers and support technical growth within the team. · Ability to work effectively within international and multidisciplinary environments. 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 . 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. 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.