Senior HV Protection & Control Engineer – Substations

AECO; Madrid; Hybrid; EUR 70,000 - 90,000; Full time

Job summary

AECOM in Madrid is seeking an experienced Senior Protection & Control Design Engineer to lead HV/EHV substation protection design, develop SLDs and interconnection diagrams, and coordinate with multidisciplinary teams. You will ensure compliance with IEC/IEEE standards and support testing and commissioning activities.

The ideal candidate has a degree in electrical engineering, hands-on experience with protection relays from major manufacturers, and strong communication skills.

Qualifications

• Bachelor's Degree in Electrical Engineering or equivalent.
• Experience in HV/EHV Substation Protection & Control Design.
• Knowledge of protection schemes for Transmission and Distribution substations.
• Experience with protection relays from Siemens, GE, ABB/Hitachi Energy, Schneider Electric, or SEL.
• Proficiency in AutoCAD and Microsoft Office.
• Excellent communication and coordination skills.

Responsibilities

• 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.

Skills

HV/EHV Substation Protection

Protection Coordination

AutoCAD

MS Office

Communication Skills

Education

Bachelor's Degree in Electrical Engineering

Tools

AutoCAD

Microsoft Office

SCADA knowledge

Job description

AECOM in Madrid is seeking an experienced Senior Protection & Control Design Engineer to lead HV/EHV substation protection design, develop SLDs and interconnection diagrams, and coordinate with multidisciplinary teams. You will ensure compliance with IEC/IEEE standards and support testing and commissioning activities.

The ideal candidate has a degree in electrical engineering, hands-on experience with protection relays from major manufacturers, and strong communication skills.