HV Commissioning Engineer

Job Title - HV Commissioning Engineer
Duration - 3 Month Contract
Start Date - ASAP
Working Model - Onsite in Kent
Day Rate - £500 - £600 per day (Outside IR35)

HV Commissioning Engineer Overview
My client is looking for an experienced HV Commissioning Engineer to support commissioning activities on a 33kV BESS project. The successful candidate will be responsible for testing, commissioning, and energising HV equipment and protection systems, ensuring all work is completed safely and in line with project requirements. The role will involve working closely with site teams, contractors, and client representatives throughout the commissioning phase.

The HV Commissioning Engineer role will involve:

Carrying out commissioning activities on 33kV HV equipment in line with approved procedures and project requirements
Testing and commissioning HV switch gear, transformers, protection relays, CT/VT circuits, control circuits, and associated equipment
Performing secondary injection, functional testing, trip testing, and scheme checks
Reviewing electrical drawings, schematics, wiring diagrams, protection settings, and commissioning documentation
Identifying, recording, reporting defects, non-conformances, and outstanding works
Completing commissioning records, test sheets, red-line mark-ups, and handover documentation
Liaising with site teams, client representatives, contractors, and design engineers throughout the commissioning process
Supporting energisation activities and ensuring systems are ready for safe operation
Ensuring all work is carried out in accordance with site safety procedures, permit systems, and project standards
The HV Commissioning Engineer will need to have the following attributes:

Proven experience commissioning HV electrical systems, ideally at 33kV
Experience working on BESS, renewable energy, grid connection, substation, or power infrastructure projects
Strong background in protection and control testing
Ability to read and interpret electrical schematics, wiring diagrams, SLDs, and commissioning documentation
Experience using relay testing equipment such as Omicron, Megger, or similar
Good understanding of HV safety procedures, permit systems, and safe systems of work
Strong problem-solving skills with the ability to identify and resolve technical issues
Excellent communication skills and the ability to work effectively with site teams and stakeholders
Relevant electrical qualifications and a valid ECS/CSCS card or equivalent
The following experience and attributes would be desirable:

Experience commissioning transformer, feeder, or differential protection schemes
Familiarity with G99 interface systems, metering panels, and grid connection requirements
Knowledge of DNO, ICP, or utility network standards and procedures
Experience supporting energisation activities on HV infrastructure projects
SAP or AP experience would be desirable
Previous experience working on live substations or power distribution projects would be desirable
If you are interested in this position, please apply with an up to date CV, along with your availability and day rate expectations