Principal Design Engineer - Scotland

Overview

In this role, you lead and deliver engineering for transmission substation projects, focusing on EHV/HV AIS and GIS designs and tender support. You will guide cross‑functional teams, manage interfaces, and ensure compliance with standards, QA/QC, and HSSE. You’ll shape technical concepts, perform critical calculations, and oversee as-built documentation. This position offers hands-on leadership in a design-focused, standards-driven environment with global project exposure.

Pay / Benefits

• hybrid working arrangement
• travel opportunities (domestic/international)
• site exposure and construction activity
• customer and stakeholder collaboration

Responsibilities

• Lead all engineering activities from early engagement to as-built, ensuring adherence to project specs and standards
• Act as technical lead for large EHV/HV AIS & GIS projects in the UK
• Coordinate and mentor engineering teams and partners across sites and partners
• Coordinate interfaces among civil, protection and control, auxiliary power, steel structures and equipment suppliers
• Engage in technical discussions with customers and suppliers; manage site queries and as-built actions
• Oversee engineering budget, schedule, risk, and change management; support technical claims
• Develop technical solutions including single line diagrams, layouts, and detail drawings per standards and specifications
• Prepare equipment selections, technical specs, and purchasing schedules; cost estimation and BOQs
• Review supplier designs and factory acceptance test plans; participate in tests at factory and site
• Support tender options and project scope documentation

Key requirements

• Bachelor in Electrical Engineering or equivalent
• Proven experience in transmission substation engineering with focus on detailed design, tendering, and site support
• Knowledge of SSEN & SPEN requirements and standards
• Chartered Engineer (CEng) status or working towards it
• Excellent communication skills for interaction with internal and external parties
• Experience with substations design: layouts, primary design, grounding, transformers, HV/MV switchgear; system studies like load flow and short circuit; SLDs; CT/VT calculations; auxiliary power systems; power cables
• Experience in installation and commissioning is a plus
• Strong MS Office skills; knowledge of MicroStation and AutoCAD
• Fluency in English; willingness to travel up to 25%
• Office and construction site work availability

• Proactive team player
• Strong communicator across cultures
• Result-oriented
• Substation design and engineering
• Layouts and primary design
• Grounding and lightning design

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