T&D Primary High Voltage Substations Expert

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Role Overview

We are seeking an experienced T&D Primary High Voltage Substations Expert to join our growing Transmission & Distribution team, supporting the delivery of high-voltage substation infrastructure projects.

In this role, you will provide strategic technical oversight and leadership for the design and delivery of HV primary systems, including AIS and GIS substations across transmission and distribution networks. You will guide engineering teams through project development phases, ensuring safe, reliable, and efficient technical solutions.

You will work closely with multidisciplinary engineering teams, project directors, and clients, contributing to major grid reinforcement, renewable integration, and large-scale infrastructure programs.

Key Responsibilities

o Substation general arrangements and equipment layouts and specifications

o Busbar configurations, calcs and conductor sizing

o Electrical clearances, insulation coordination and short-circuit calcs

o Lightning protection and shielding concepts

o Earthing and grounding system

Education

· Bachelor’s degree in Electrical Engineering

Experience with engineering tools such as

- ETAP
- DigSilent
- CDEGS
- CYMCAP
- Revit
- AutoCAD or similar design software

Soft Skills

- Strong leadership and team management capabilities
- Strategic thinking and decision-making abilities
- Excellent communication and stakeholder engagement skills
- Ability to coordinate multidisciplinary engineering teams

Responsibilities

Provide technical oversight and guidance for the design of HV primary systems for substations (AIS/GIS), including equipment layouts, busbar schemes, and HV cable design.; Ensure technical consistency and quality across substation projects by reviewing key design decisions, engineering strategies, and equipment selection in accordance with applicable standards and client specifications.; Oversee development and review of critical primary design deliverables, including:; Act as senior technical authority for primary substation engineering, ensuring coordination between primary, secondary, civil, structural, and commissioning disciplines.; Support project leadership teams in defining engineering strategies, technical scopes, and delivery approaches for major infrastructure projects.; Maintain strong engagement with clients, contractors, and suppliers to ensure technical compliance and alignment with project objectives.; Provide senior engineering support during construction, installation, testing, and commissioning phases.; Review and guide resolution of complex site queries, technical deviations, and field design changes.; Ensure that implemented designs comply with technical specifications, safety standards, and project requirements.; Lead and mentor teams of primary substation engineers, supporting professional development, technical growth, and knowledge sharing.; Foster a collaborative engineering culture, ensuring alignment between teams, efficient workload distribution, and high technical standards.

Requirements

Typically 12–15+ years of experience in HV primary substation engineering; Experience delivering large transmission or distribution substation projects across multiple phases (concept, FEED, detailed design, construction support); Proven experience leading engineering teams or technical disciplines; HV/EHV substation design (AIS/GIS); Busbar configurations and substation equipment layouts; Insulation coordination and electrical clearances; Short-circuit calculations and equipment rating verification; Busbar and conductor sizing (thermal and short-circuit withstand); Mechanical and electrodynamic force calculations for conductors; Integration of HV equipment, cables, and overhead lines; Earthing and grounding system design; Lightning protection and shielding studies; Transformer and reactive power compensation systems; Technical design reviews

Nice to have

Experience working on UK transmission or distribution substation projects; Exposure to National Grid standards and technical specifications; Experience with EHV substations (220kV–400kV); Chartered Engineer (CEng) or equivalent professional certification; Experience supporting construction, commissioning, or site engineering activities