Job Description

Start here. Grow here.

Are you ready to join a team of talented engineers, shape the future of energy infrastructure and grow your career?

Due to an exciting period of growth, we are looking to hire an experienced Senior Protection & Control Design Engineer. This is a fantastic opportunity to work on the design of High Voltage (HV) and Extra High Voltage (EHV) substations and hold responsibility for developing protection and control system designs, preparing engineering deliverables, coordinating with multidisciplinary teams, and ensuring compliance with client specifications and international standards.

Ready to push the limits of what’s possible?

Here’s what you’ll do:

- Prepare Protection & Control engineering designs for HV/EHV substations (11kV–400kV or above)
- Develop Protection Single Line Diagrams (SLDs), AC/DC Schematics, Wiring Diagrams, Terminal Plans, Cable Schedules, and Interconnection Diagrams




- Design Protection Relay Panels, Control Panels, Annunciation Panels, Metering Panels, and RTU/SCADA interfaces
- Prepare Protection Relay Settings philosophy and coordinate with system studies where applicable
- Perform protection coordination and review relay configurations
- Prepare engineering calculations, cable sizing, voltage drop calculations, and battery sizing (where applicable)
- Coordinate with Civil, Primary, Telecom, and SCADA engineering teams
- Review vendor drawings and ensure compliance with project specifications
- Support FAT, SAT, commissioning, and technical issue resolution
- Ensure designs comply with IEC, IEEE, National Grid, REE, and client-specific standards
- Support project execution by meeting quality, safety, and schedule requirements

📌 T&D - Senior Protection and Control HV Engineer (Madrid)
🏢 Aecom
📍 Madrid