Established in 1994, OCU Group is one of the fastest growing utility engineering contractors in the UK, with a long successful track record in delivering customer-focused civil engineering solutions.
Working directly with many of the country’s leading blue-chip power, water, telecoms and rail clients, we are looking for the very best talent to join our growing team.
We pride ourselves on empowering our employees and offering opportunities for them to take control of their own personal development and career progression in a supportive environment.
We believe that being successful is a choice.
We choose to be successful.
We are OCU, ‘One Company United’.
Throughout 2025, OCU Group has been experiencing a sustained period of growth and expansion within the water and wastewater sector. Due to this and our continued work winning success, we currently have an opportunity for a Commissioner/Chlorinator to join us out of Bridgend or Deeside.
You’ll be responsible for carrying out essential clean water mains activities, including chlorination, pressure testing, sampling, flushing, swabbing, and de-chlorination. All work must be completed in full compliance with Water Regulations, Health & Safety requirements, and company procedures.
Key responsibilities include:
* Completing accurate and timely documentation
* Checking, maintaining, and safely operating equipment
* Working closely with site teams, supervisors, and contractors
* Supporting additional operational tasks as required
* Keeping a clean and hygienic work space.
About You
· Strong understanding of hydraulic pressure & Chlorination equipment essential.
· Previous experience in mains laying and service connections is preferred.
* Training in mains disinfection and sample collection preferred
· Working knowledge of small and large diameter systems
You’ll need:
* A full, valid UK driving licence
* A positive, can-do attitude and a strong team ethic
* The confidence to work independently when required
* A clear commitment to safe working practices
* Excellent hygiene practices
· Attention to detail is essential, as the role involves following set processes and delivering consistently high-quality results.
Ideally, you’ll already hold relevant industry certifications, such as:
* EUSR Water Hygiene card
* SHEA Water certification
* EUSR Pressure Testing and Chlorination
Driven by values, powered by inclusion.
At OCU, our values guide everything we do: integrity, collaboration, respect, innovation and one company united. They shape how we work with our clients, communities, and each other. We believe that inclusion is more than a principle — it’s the foundation of our success. By embracing equity and ensuring that every individual has the opportunity to thrive, we create a workplace where diverse perspectives are valued, and everyone feels they belong.
Together, we build stronger teams, deliver better outcomes, and grow in ways that reflect the communities we serve. If you want to be part of a culture where values matter and inclusion is at the heart of everything we do apply now and help us shape the future together.
If you are invited to progress in the recruitment process, will you require any reasonable adjustments to support you? Please let us know so we can ensure the process is accessible and fair for you. Any information you share will be treated confidentially and will only be used to support you during the recruitment process.