Senior HV Substation Protection & Control Designer

AECOM; Greater London; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Flexible hybrid work

Career development

AECOM University

Volunteer days

Job summary

AECOM in the United Kingdom is seeking an experienced Senior Protection & Control Design Engineer to lead HV/EHV substation protection schemes and deliver engineering designs that meet client specs and international standards. You will coordinate with civil, primary, telecom and SCADA teams, produce SLDs, wiring diagrams, relay settings, and support FAT/SAT during commissioning.

The role offers a flexible hybrid working model, strong career development opportunities, and access to AECOM

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

Skills

HV/EHV protection design

Protection relays (Siemens GE ABB/Hit"

AutoCAD

MS Office

Coordination with multidisciplinary팀

Education

Bachelor's Degree in Electrical Engineering

Tools

AutoCAD

Job description

AECOM in the United Kingdom is seeking an experienced Senior Protection & Control Design Engineer to lead HV/EHV substation protection schemes and deliver engineering designs that meet client specs and international standards. You will coordinate with civil, primary, telecom and SCADA teams, produce SLDs, wiring diagrams, relay settings, and support FAT/SAT during commissioning.

The role offers a flexible hybrid working model, strong career development opportunities, and access to AECOM