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Thames Water; Cassington; On-site; GBP 36,000 - 48,000; Full time

Benefits offered by this job

Salary up to £42,000

Annual leave 24 days (28 with service)

Performance-related pay

Generous pension scheme

Job summary

Thames Water is seeking an experienced Electrical Technician to join the Sewage Treatment Works team in Cassington. The role focuses on inspecting, maintaining and repairing mechanical and electrical plant with minimal supervision to keep sites operational for customers.

You will undertake reactive and planned maintenance, fault-finding, install new equipment, and provide technical guidance while supporting apprentices. The role emphasizes safety, quality, and delivering excellent service.

Qualifications

• Time-served apprenticeship or equivalent experience in mechanical/electrical systems.
• NVQ or C&G level 3 in electrical engineering or equivalent.
• 18th Edition qualification preferred; training can be provided.

Responsibilities

• Inspect, maintain, fault-diagnose, test, install, modify or repair mechanical and electrical equipment.
• Adhere to health and safety guidelines and standards.
• Record work and asset information to improve performance and raise issues for resolution.
• Provide technical advice and mentor staff including apprentices.
• Deliver good customer service to internal and external customers.

Skills

Time-served apprentice

18th Edition training

Problem solving

Excellent communicator

Resilient

Minimum supervision

Team player

Full UK driving licence

Education

NVQ or C&G level 3 in electrical engineering

18th Edition

Job description

We are seeking an experienced Electrical Technician to join our Sewage Treatment Works team in Cassington.

As the successful candidate, you will be using your electrical knowledge as well as your experience to inspect, maintain, fault-diagnose, test, install, modify or repair as appropriate, mechanical plant and associated electrical equipment, in a safe, efficient, timely and effective manner with minimum supervision, allowing us to ensure that all of our sites remain operational for the benefit of our customers.

This is an excellent opportunity to make a real difference to Thames Water's environmental impact, and you will actively help reduce pollution from our sites.

What you’ll be doing as the Electrical Technician.

• Ensuring the health, safety and wellbeing of yourself, colleagues, contractors, and visitors by always displaying the correct behaviours, complying with the Health and Safety at Work regulations and Thames Water’s Health and Safety guidelines.
• Undertaking both reactive and planned maintenance, responding to alarms and fault finding to identify issues, fix these or elevate, planned maintenance of plant and equipment daily, installing new plant and equipment as required in line with current Standards and Regulations.
• Record work and asset information to improve business performance, along with identifying possible future risks and recommending changes in the course of your day-to-day work and to raise these for resolution as required.
• Provide specialist technical advice where appropriate with up-to-date technical knowledge along with coaching, training and developing staff under your supervision, including the apprenticeship programme.
• Delivering excellent customer experience and positively contributing to overall customer satisfaction. Interacting with all of our customers (internal & external) in a timely, professional, efficient, respectful and polite manner.

Base Location: Cassington STW, Yarnton Road, Cassington, Witney, OX29 4EB.

Working pattern: 38 hours per week, Monday - Friday, 7:30 am- 3:36 pm plus Standby rota payments & Overtime opportunities can increase the earning potential by up to a further £8,000-£10,000 per annum upon completion of essential company training.

All PPE, tools, plus the provision of a Van when on duty and on call.

What you should bring to the role

• You should be a time-served apprentice with significant experience in mechanical/electrical systems or with NVQ or C&G level 3 in electrical engineering.
• 18th Edition preferred but training can be given.
• A problem solver, able to identify potential issues and implement solutions, or escalating if required.
• An excellent communicator, providing technical expertise to Internal and External staff and contractors.
• Resilient, adapting to the pressures of work and working in a constantly changing environment.
• Ability to work with minimum supervision, under own initiative to design and standards.
• Knowledge and awareness of Health and Safety issues relevant to the industry.
• Team player who can work in many different teams showing respect for others, providing helpful feedback and supporting the development of others.
• Full UK driving licence.

What’s in it for you?

• Offering a salary up to £42,000 per annum, depending on skills and experience, plus Standby rota payments & Overtime opportunities can increase the earning potential by up to a further £8,000-£10,000 per annum upon completion of essential company training.
• Annual Leave: 24 days holiday per year, increasing to 28 with the length of service (plus bank holidays).
• Performance-related pay plan directly linked to company performance measures and targets.
• Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.
• Generous Pension Scheme through AON.

Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

Who are we?

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It’s a big job, and we’ve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Learn more about our purpose and values

Working at Thames Water

Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you’ll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits.

If you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region, and our planet.

Real purpose, real support, real opportunities. Come and join the Thames Water family. Why choose us? Learn more.

We’re committed to being a great, diverse, and inclusive place to work. We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process. If you need any adjustments, whether that’s extra time, accessible formats, or anything else, just let us know; we’re here to help and support.

When a crisis happens, we all rally around to support our customers. As part of Team Thames, you’ll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be given for what is undoubtedly an incredibly rewarding experience. It’s also a great opportunity to learn more about our business and meet colleagues.

Proud member of the Disability Confident employer scheme

About Disability Confident Disability Confident is a government scheme. It encourages employers to recruit and retain disabled people and those with long term health conditions.

Electrical Technician

Company: Thames Water Salary: £42,000 to £42,000 a year Hours: Full-time Location: Cassington, OX29 4EB Job type: Permanent Posting date: 9 Sept 2026 Closing date: 22 Sept 2026

Summary

We are seeking an experienced Electrical Technician to join our Sewage Treatment Works team in Cassington.

As the successful candidate, you will be using your electrical knowledge as well as your experience to inspect, maintain, fault-diagnose, test, install, modify or repair as appropriate, mechanical plant and associated electrical equipment, in a safe, efficient, timely and effective manner with minimum supervision, allowing us to ensure that all of our sites remain operational for the benefit of our customers.

This is an excellent opportunity to make a real difference to Thames Water's environmental impact, and you will actively help reduce pollution from our sites.

What you’ll be doing as the Electrical Technician.

• Ensuring the health, safety and wellbeing of yourself, colleagues, contractors, and visitors by always displaying the correct behaviours, complying with the Health and Safety at Work regulations and Thames Water’s Health and Safety guidelines.
• Undertaking both reactive and planned maintenance, responding to alarms and fault finding to identify issues, fix these or elevate, planned maintenance of plant and equipment daily, installing new plant and equipment as required in line with current Standards and Regulations.
• Record work and asset information to improve business performance, along with identifying possible future risks and recommending changes in the course of your day-to-day work and to raise these for resolution as required.
• Provide specialist technical advice where appropriate with up-to-date technical knowledge along with coaching, training and developing staff under your supervision, including the apprenticeship programme.
• Delivering excellent customer experience and positively contributing to overall customer satisfaction. Interacting with all of our customers (internal & external) in a timely, professional, efficient, respectful and polite manner.

Base Location: Cassington STW, Yarnton Road, Cassington, Witney, OX29 4EB.

Working pattern: 38 hours per week, Monday - Friday, 7:30 am- 3:36 pm plus Standby rota payments & Overtime opportunities can increase the earning potential by up to a further £8,000-£10,000 per annum upon completion of essential company training.

All PPE, tools, plus the provision of a Van when on duty and on call.

What you should bring to the role

• You should be a time-served apprentice with significant experience in mechanical/electrical systems or with NVQ or C&G level 3 in electrical engineering.
• 18th Edition preferred but training can be given.
• A problem solver, able to identify potential issues and implement solutions, or escalating if required.
• An excellent communicator, providing technical expertise to Internal and External staff and contractors.
• Resilient, adapting to the pressures of work and working in a constantly changing environment.
• Ability to work with minimum supervision, under own initiative to design and standards.
• Knowledge and awareness of Health and Safety issues relevant to the industry.
• Team player who can work in many different teams showing respect for others, providing helpful feedback and supporting the development of others.
• Full UK driving licence.

What’s in it for you?

• Offering a salary up to £42,000 per annum, depending on skills and experience, plus Standby rota payments & Overtime opportunities can increase the earning potential by up to a further £8,000-£10,000 per annum upon completion of essential company training.
• Annual Leave: 24 days holiday per year, increasing to 28 with the length of service (plus bank holidays).
• Performance-related pay plan directly linked to company performance measures and targets.
• Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.
• Generous Pension Scheme through AON.

Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

Who are we?

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It’s a big job, and we’ve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Proud member of the Disability Confident employer scheme

About Disability Confident Disability Confident is a government scheme. It encourages employers to recruit and retain disabled people and those with long term health conditions.