Company Description Work with Us. 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 general team driven by our common purpose to deliver a better world. You 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.
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 Principal Engineer for HV Primary Substations 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.
Preparation of designs and deliverables related to primary electrical systems for transmission and distribution projects. The tasks may encompass, but are not limited to, the following, depending on project requirements and the design phase:
Design of primary substation systems, including AIS/GIS configurations, transformer installations, circuit breaker selection, busbar arrangements, switchgear layouts, and disconnectors for voltages up to 400kV.
Preparation of single-line diagrams (SLDs), general arrangement (GA) layouts, equipment sizing, and equipment layout plans for substations and transmission systems.
Short-circuit force calculations, busbar sizing, fault current analysis, and equipment protection design, ensuring system stability and protection under fault conditions.
Design and integration of HVDC and HVAC systems, including converter stations, ensuring compatibility with

📌 Senior Engineering Manager (Madrid)
🏢 Aecom
📍 Madrid