Job Title: Lead Commissioning Engineer - Electrical

• Location: Inverness, Scotland
• Day Rate: £70 - £80 per hour, Outside IR35
• Start Date: ASAP - September 2025
• Duration: 6 months (likely extension)

Keywords: Lead Commissioning Engineer, Control & Protection, HV Substations, SSEN SAP, Transmission & Distribution, High Voltage
We are seeking an experienced Lead Commissioning Engineer to oversee and deliver commissioning activities on a HV electrical renewable energy project, part of a critical high-voltage transmission network upgrade. This role will suit a candidate with significant experience in protection and control commissioning on high-voltage substations (132kV, 275kV, and 400kV). You will work closely with multi-disciplinary teams to ensure seamless project delivery, safety compliance, and technical excellence.
Key Responsibilities

• Lead commissioning activities for high-voltage substation systems, ensuring safe, efficient, and timely delivery.
• Commission complex protection and control schemes, including:
  • Feeders, Transformers, Isolators, Fault Throwers
  • CTs, VTs, Differential Relays, Distance Relays
  • Overcurrent Relays, Earth Fault Relays
  • Inter-Tripping Schemes and Delayed Auto-Reclose systems

• Plan, manage, and execute commissioning schedules, ensuring all documentation, reporting, and handover activities are completed to the highest standards.
• Provide technical leadership and support to the commissioning team and site engineers.
• Conduct and supervise functional testing, integration testing, and FAT/SAT activities.
• Ensure all activities comply with relevant standards, including SSEN/TP141/SP authorisation requirements and IEC standards.

Requirements

• Degree or equivalent qualification in Electrical Engineering (Chartered status preferred).
• Proven experience (5+ years) as a Commissioning Engineer, ideally in a lead role on large-scale UK or EU substation projects.
• Hands-on experience with HV protection and control systems and commissioning of 132kV, 275kV, and 400kV assets.
• Relevant site safety qualifications, including CCNSG / Safety Passport, First Aid, Manual Handling, IOSH, and CSCS.

This is a great opportunity to work on a high-profile renewable energy project in Scotland for a major EPC Contractor that has a large pipeline of projects. For more information or to apply, please apply or contact Maddie Jacob on 0207 4481100 /

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