Commissioning Engineer

CompanyRullion

LocationStone, England, United Kingdom

Posted At12/23/2025

UK Visa Sponsorship Analytics

Occupation Type

Engineering technicians

Occupation Code Skill LevelMedium Skilled

Sponsorship Salary Threshold

£42,500 (£21.79 per hour)

Occupation rate applies

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Description

SR141 Commissioning Engineer – Protection & Control

Location: Stone Head Office & UK Client Sites

Sector: Energy / HV Substations

About the Role

We are looking for an enthusiastic and driven SR141 Authorised Commissioning Engineer to join my clients Energy Business. You will be responsible for testing and commissioning Electrical Protection & Control systems, ranging from modifications of existing systems to full replacement and new-build installations.

This role is suited to experienced National Grid SR141-authorised Commissioning Engineers who are confident working within HV substation environments. The position will be based between their Stone Head Office and client sites across the UK.

You will play a key role in leading commissioning activities, working closely with customers, project managers and site teams, and contributing to the development of commissioning documentation and procedures.

Key Responsibilities

Plan and carry out site acceptance testing and commissioning

of Protection & Control systems within HV substations, in line with approved documentation, procedures and SR141 authorisation

Perform functional and performance testing of protection relays, control systems, control panels and associated secondary equipment

Witness and support Factory Acceptance Testing (FAT) activities

Ensure all installation, testing and commissioning works comply with agreed technical procedures, standards and National Grid requirements

Attend and contribute to National Grid SR106 Commissioning Panel meetings

Produce, collate and manage the project commissioning file

Control, update and mark up drawings and schematics as required during commissioning

Develop and review commissioning documentation including Commissioning Switching Programmes, Method Statements, test reports, certificates and handover records

Deploy and verify configuration and setting files to SCADA BCUs, RTUs, protection relays and network devices

Define required site equipment, materials, spares and test equipment for commissioning activities

Manage Lock Out / Tag Out (LOTO)

and permit systems in line with safe working procedures

Identify, investigate and resolve technical issues and faults during commissioning and energisation

Liaise with project managers, site teams, clients and other stakeholders to ensure smooth project delivery

Provide visible safety leadership, promoting best practice in health, safety and environmental performance

Candidate Profile

Qualified or highly experienced in an Electrical Engineering discipline
Current or previous National Grid SR141 (BP141 / TP141) authorisation
Extensive experience commissioning HV substations (132kV–400kV)
Strong knowledge of Protection & Control systems, control schemes and grid infrastructure
Understanding of communication protocols including IEC 61850, GOOSE, and associated media (fibre optic, Ethernet, serial)
Experience writing and contributing to test and commissioning specifications and plans
Proficient in Microsoft Office and configuration file deployment to electrical devices
Experience working with SCADA systems

Excellent communication and teamwork skills

Structured, analytical approach to work

Ability to lead commissioning activities and work effectively under pressure

Full UK driving licence and willingness to travel