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Date Added: Fri 15/08/2025

High Voltage Commissioning Engineer

Nationwide, BB7, UK
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Company: HERNSHEAD RECRUITMENT LTD

Job Type: Permanent, Full Time

My client is a small but fast-growing company working on exciting high voltage infrastructure projects across the UK. As part of their continued growth, they're looking for a High Voltage Commissioning Engineer to join their close-knit, supportive team.

About the Role:

* As a High Voltage Commissioning Engineer, you will play a critical role in the testing and commissioning of electrical systems from LV up to 400kV. You will work on a range of grid connections, substations, renewable energy projects, and industrial installations.

Responsibilities include:

* Preparation and execution of commissioning plans and procedures

* Cold & Hot commissioning of HV equipment including transformers, switchgear, protection relays, and SCADA systems

* Fault finding and diagnostics

* Site documentation and reporting

* Liaising with clients, DNOs, ICPs, and project managers

Essential Qualifications & Certifications:

* HNC/HND or Degree in Electrical Engineering or related discipline

* Senior Authorised Person (SAP) or demonstrable experience working under an SAP on HV networks

* G99/G59 testing and commissioning knowledge

* National Grid Person/BESC certification (or willingness to obtain)

* ECS/CSCS Card

* 18th Edition IET Wiring Regulations (BS7671) (desirable)

* First Aid at Work & Manual Handling (current or valid)

Required Experience & Expertise:

* Minimum 3+ years' hands-on experience in high voltage commissioning (LV-400kV)

* Experience working on DNO, ICP, IDNO, or private HV networks

* Familiarity with protection relay configuration and secondary injection testing (e.g. Omicron, Megger)

* Sound knowledge of commissioning procedures, electrical safety regulations, and risk assessment

* Ability to interpret technical drawings and schematics

* Strong documentation, reporting, and communication skills

* Comfortable working independently and as part of a team, with a solution-driven approach
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