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# Principal Protection & Control Design Engineer

- **Company:** AECOM
- **Location:** Rangeworthy, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** AutoCAD, Systems Engineering, Communications Protocols, Control Panels, Supervisory Control and Data Acquisition (SCADA), Microsoft Office, SAS (Software)
- **Published:** November 4, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/principal-protection-control-design-engineer/54837063

## About the Role

Bachelor's Degree in Electrical Engineering or equivalent.
Excellent knowledge of protection schemes for Transmission and Distribution substations.
Strong experience with protection relays from manufacturers such as Siemens, GE, ABB/Hitachi Energy, Schneider Electric, or SEL.
Proficiency in AutoCAD and Microsoft Office.
Experience in UK, Middle East, Europe, or international utility projects.
Ability to independently deliver complete Protection & Control engineering packages
Knowledge of IEC 61850 and substation automation systems.
Excellent communication and coordination skills.
Familiarity with SCADA, RTU, SAS, and communication protocols.
Strong analytical, problem-solving, and documentation skills.

## Description

Prepare Protection & Control engineering designs for HV/EHV substations (11kV-400kV or above)
Provide expert-level input to develop and oversee 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
Undertake client and stakeholder engagement, providing technical assurance, strategic direction, and value-engineered solutions on high-profile infrastructure programmes.
Support FAT, SAT, commissioning, and technical issue resolution
Drive project execution, managing technical risks, interfaces, and quality reviews while supporting procurement, construction, and commissioning phases.
Ensure designs comply with IEC, IEEE, National Grid, and client-specific standards
Champion mentorship, knowledge-sharing, and technical development within the wider team, supporting capability growth in cable systems engineering.
Support business development activities, including proposals, bid reviews, and client presentations.