Join our dedicated high-voltage maintenance team, where you’ll play a vital role in ensuring the safe and efficient operation of critical infrastructure. Working alongside the Senior Authorised Person (SAP), you’ll tackle hands‑on fault finding, maintenance, and repairs of HV and LV equipment across about 90 dynamic sites in the Thames Valley and Home counties, offering variety, technical challenges, and the chance to make a tangible impact every day.
What you’ll be doing as a High Voltage Technician
- As a High Voltage Technician, you’ll take on the critical responsibility of maintaining and repairing high‑voltage equipment across various Thames Water sites, ensuring smooth operation of essential infrastructure.
- Inspect and maintain HV and primary LV equipment to ensure operational safety and efficiency.
- Diagnose and resolve technical faults promptly, keeping accurate compliance records.
- Supervise contractors and team members during maintenance, ensuring adherence to safety and quality standards.
- Undertake SAP (Senior Authorised Person) training and uphold strict electrical safety rules.
- Keep tools, equipment, and systems in top operational condition.
- Travel extensively to multiple sites, providing technical support and overseeing SCADA system operations.
Base location: Due to the nature of this role, you can be based from a number of our sites depending on your location, including: Basingstoke STW – RG24 8LL / Mogden STW – TW7 7LW / Oxford STW – OX4 4XU.
Working pattern: 45 hours per week, Monday to Friday (07:30 am to 5:00 pm). Opportunities for overtime may be available.
Requirements: Electrical qualifications, fault‑finding expertise, and a valid UK driving licence.
All PPE, tools, a company van and a fuel card are provided.
What you should bring to the role
- Formal electrical trade qualifications or equivalent industrial/utility experience in HV systems.
- A mechanical background and skills in electrical work would be beneficial.
- Proficiency in electrical maintenance, fault finding, and understanding of electrical safety rules.
- 18th Edition Wiring Regulations certification (or 17th Edition with willingness to upgrade).
- AP15 High Voltage qualification (ideal) or willingness to train.
- A great team player with excellent collaboration and interpersonal skills, able to work with minimal supervision.
- Basic IT proficiency for operational tasks and record‑keeping.
- Full, valid UK driving licence to travel across the Thames Water sites.
What’s in it for you?
- Competitive salary up to £55,000 per annum, depending on experience and qualifications.
- Annual Leave: 24 days holiday per year, increasing to 28 with length of service (plus bank holidays).
- Company Van and PPE are provided.
- This role can offer a technically interesting career, development, progression, and the responsibility of mentoring colleagues and trainees.
- Work as part of a diligent and dynamic team and experience the beautiful country surrounding the sites you’ll be traveling to daily.
- A great opportunity to be trained as a senior authorised person.
- Access to benefits to help you and your family’s health, well‑being, and finances – from annual health, MOTs, physiotherapy, counselling, Cycle to Work schemes, shopping vouchers and life assurance.
Find out more about our benefits and perks (Please note different T&Cs apply if on secondment).
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