Jul 15, 2026

Commissioning Engineer x2

Job Description

Rubicon Consulting is currently recruiting for 2x Commissioning Engineers on a 9 month contract, based in Scotland. Overview Our Client is seeking 2 experienced Commissioning Engineers to support commissioning activities on a major transmission substation project in Scotland. Candidates will have proven experience working on 132kV, 220kV and 400kV transmission substations and possess a strong background in protection, control and commissioning activities within the transmission and distribution sector. The successful candidates will be responsible for carrying out testing, inspection and commissioning of high-voltage electrical plant and protection systems, ensuring all equipment is commissioned safely and in accordance with project specifications and industry standards. Key Responsibilities · Perform commissioning activities on 132kV, 220kV and 400kV transmission substations. · Test and commission high-voltage plant and associated protection and control systems. · Conduct Current Transformer (CT) and Voltage Transformer (VT) testing and verification. · Carry out testing and checking of protection schemes, including Busbar Protection Systems. · Perform interface testing of: o Power Transformers o Circuit Breakers (CBs) o Reactors o Gas Insulated Switchgear (GIS) · Execute Primary Injection Testing. · Execute Secondary Injection Testing. · Review commissioning documentation, test procedures and commissioning plans. · Identify and resolve commissioning issues and defects. · Ensure compliance with project commissioning procedures and safety requirements. · Produce test records, commissioning reports and handover documentation. · Liaise with commissioning managers, project engineers, protection engineers and client representatives. · Support energisation and final handover activities. Mandatory Requirements · Proven experience commissioning 132kV, 220kV and/or 400kV transmission substations. · Strong knowledge of protection and control systems within HV substations. · Experience testing: o CTs o VTs o Transformers o Circuit Breakers o Reactors o GIS Equipment · Experience performing: o Primary Injection Testing o Secondary Injection Testing o Protection Scheme Testing o Interface Testing · Ability to read and interpret protection drawings, schematics and commissioning documentation. · Strong understanding of transmission network commissioning processes. · BESC / Persons Substations Certification. · Excellent fault-finding and problem-solving skills. · Full UK Driving Licence. Desirable Requirements · National Grid Competencies. · Competent Person Authorisation. · IEC 61850 experience. · Protection Relay Testing experience. · Previous experience on major transmission infrastructure projects. Key Skills · HV Substation Commissioning · Protection & Control Systems · CT / VT Testing · Busbar Protection Testing · Transformer Testing · Circuit Breaker Testing · Reactor Testing · GIS Commissioning · Primary Injection Testing · Secondary Injection Testing · Interface Testing · Fault Finding · Energisation Support · Transmission Networks (132kV / 220kV / 400kV) Our Company Rubicon Consulting is a Talent management consultancy which helps you to optimise business performance and competitive advantage by choosing the right people first time

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