High Voltage Commissioning Engineer
Sphere Solutions
High Voltage Commissioning Engineer
Location: Nationwide (UK)
Salary: Competitive + Company Vehicle + Benefits
Employment Type: Full-Time
We are currently recruiting for an experienced High Voltage Commissioning Engineer on behalf of a growing organisation delivering critical power infrastructure projects across the UK.
This is an exciting opportunity to join a business operating within the HV sector, supporting the delivery of grid connections, substations, renewable energy schemes, battery storage projects, and industrial power installations. The successful candidate will play a key role in the testing, commissioning, and energisation of electrical systems ranging from 11kV to 132kV.
The Role
As a High Voltage Commissioning Engineer, you will be responsible for the safe and efficient commissioning of HV electrical systems, ensuring compliance with client specifications, industry standards, and project requirements.
Key responsibilities include:
- Preparing and executing commissioning plans, procedures, and test documentation
- Functional testing and commissioning of HV equipment including transformers, switchgear, protection relays, and SCADA systems
- Carrying out fault finding, diagnostics, and problem resolution activities
- Producing detailed commissioning reports and site documentation
- Liaising with clients, DNOs, ICPs, project managers, and wider project teams
- Supporting energisation activities and witnessing procedures where required
- Ensuring all commissioning activities are completed safely and in accordance with industry regulations and company procedures
About You
The ideal candidate will possess a strong technical background in HV commissioning and have experience delivering projects within utility, infrastructure, industrial, or renewable energy environments.
Essential Qualifications & Certifications
- HNC, HND, or Degree in Electrical Engineering or a related discipline
- Senior Authorised Person (SAP) status or significant experience working under SAP supervision on HV networks
- Knowledge and experience of G99/G59 testing and commissioning requirements
- ECS or CSCS Card
- National Grid Person / BESC certification, or willingness to obtain
- Current First Aid at Work and Manual Handling certification (or willingness to update)
Desirable
- 18th Edition IET Wiring Regulations (BS7671)
Experience Required
- Minimum 3 years' hands-on experience commissioning high voltage systems from 11kV to 132kV
- Experience working on DNO, ICP, IDNO, or private HV network projects
- Strong understanding of protection relays, relay configuration, and secondary injection testing using equipment such as Omicron and Megger
- Knowledge of electrical safety legislation, commissioning procedures, and risk management processes
- Ability to read and interpret technical drawings, schematics, and protection diagrams
- Excellent reporting, documentation, and communication skills
- A proactive, solution-focused approach with the ability to work independently and collaboratively
What's on Offer
- Competitive salary package based on experience
- Company vehicle and fuel card
- Private healthcare
- Ongoing training and professional development
- Clear opportunities for career progression within a growing organisation
- Exposure to a diverse portfolio of high-profile infrastructure and energy projects
- Supportive and collaborative working environment
This is an excellent opportunity for a commissioning engineer looking to take the next step in their career with a business that values technical expertise, professional development, and long-term growth.
For a confidential discussion or to apply, please submit your CV today.
Application opens at the source listing. Free for jobseekers.