Lead Substation Design Engineer – Hybrid, Equity & Growth

Iberdrola Group; Cambuslang; Hybrid; GBP 63,000 - 79,000; Full time

Benefits offered by this job

36 days annual leave

Hybrid working

Pension scheme

Job summary

SP Energy Networks, part of the Iberdrola Group, seeks a Lead Design Engineer for Substation Auxiliary Systems in Cambuslang. You will lead LVAC distribution, standby generation, and building electrical services design for major transmission projects and provide technical leadership across lifecycle stages.

You will apply expertise in ETAP/Trimble/DIALux, BS7671, and battery technologies, contributing to safe, reliable power for Scotland’s grid and renewable integration.

Qualifications

• Degree or HND in Electrical Engineering or related discipline.
• 10+ years electrical engineering experience, with at least 5 years in electricity transmission/utility infra.
• UK experience ideally with a TO or EPC contractor on UK projects.
• Expert knowledge of 33kV to 400kV substation projects from concept to commissioning.

Responsibilities

• Define technical requirements and production of system construction authorisation docs, specs and procurement docs.
• Design and specify LVAC distribution, standby generators, distribution boards, marshalling kiosks, building electrical services, and lighting.
• Perform design calculations: load, cable sizing, voltage drop, short-circuit, LV protection coordination, lighting studies.
• Assess submissions and oversee designs from internal and external partners.
• Support construction, testing and commissioning activities; resolve on-site issues.
• Ensure compliance with legislation, policies and operational requirements across multi-disciplinary teams.
• Develop training and safety packages for new equipment; drive innovation for cost savings and safety outcomes.

Skills

Electrical design

Auxiliary systems

ETAP

Trimble Designer

DIALux

BS7671

Load calculations

On-site commissioning

UK experience

Education

Electrical Engineering degree

HND in Electrical Engineering

Tools

ETAP

Trimble Electrical Designer

DIALux

Job description

SP Energy Networks, part of the Iberdrola Group, seeks a Lead Design Engineer for Substation Auxiliary Systems in Cambuslang. You will lead LVAC distribution, standby generation, and building electrical services design for major transmission projects and provide technical leadership across lifecycle stages.

You will apply expertise in ETAP/Trimble/DIALux, BS7671, and battery technologies, contributing to safe, reliable power for Scotland’s grid and renewable integration.