Senior Protection and Control Design Engineer

Overview

In this role you will lead the Protection & Control design for HV/EHV substations, shaping reliable energy infrastructure within AECOM’s Transmission and Distribution team. You will develop SLDs, relay panels, and wiring schemes, while coordinating with civil, telecom, and SCADA teams to meet IEC/IEEE standards and client specs.

The work centers on delivering robust protection solutions for large-scale projects such as the Great Grid Upgrade, contributing to safer, more resilient grids. This opportunity combines hands-on design with cross-disciplinary collaboration and ongoing professional growth.

Pay / Benefits

• career development opportunities
• flexible hybrid working model
• AECOM University
• volunteering days

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
• 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, and client-specific standards
• Support project execution by meeting quality, safety, and schedule requirements

Key requirements

• Bachelors 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
• CDAE qualification is highly desirable
• Knowledge of IEC 61850 and substation automation systems (desirable)
• Familiarity with SCADA, RTU, SAS, and communication protocols (desirable)
• Ability to independently deliver complete Protection & Control engineering packages (desirable)
• Experience in multidisciplinary engineering environments (advantageous)
• Strong analytical, problem-solving, and documentation skills
• Excellent communication
• Coordination across multidisciplinary teams
• Problem-solving
• Protection & Control design
• Relay settings and protection coordination
• HV/EHV substation design

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