TWC Total Water Care
Legionella Risk Assessor
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Field Team
Location: Bicester
Compensation: £29,000 - £32,000 / year
Description
Legionella Risk Assessor
TWC Services
Oxfordshire, Bicester, Henley on Thames, Uxbridge, Beaconsfield, Denham, and High Wycombe areas.
Who we are
TWC (Total Water Care) was founded in 1992. We have steadily grown to a UK-wide team of water hygiene experts, chemical specialists, experienced engineers and plumbers, supported by our skilled, valued, and professional customer care staff at our Bicester Head Office.
Part of the Celnor Group
Celnor Group is a UK-based environmental services group operating across the Testing, Inspection, Certification, and Compliance (TICC) landscape. With a growing portfolio of specialist businesses, Celnor provides essential services that protect people, property, and the environment.
While each business retains its own identity, culture, and technical specialism, all are supported by a central group function that invests in people, systems, and long-term sustainable growth.
Job details
As a Legionella Risk Assessor, you will conduct compliant risk assessments across commercial and industrial sites in line with ACOP L8, HSG274 (Parts 1–3), and company standards. Working independently and with the Water Hygiene Team, you will assess, document, and report on systems to help clients effectively manage and reduce Legionella risk.
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What you will do
- Complete Legionella risk assessments across commercial and residential properties in line with ACOP L8, HSG274, and relevant guidance.
- Survey hot and cold water systems, identify risks, and recommend appropriate corrective actions.
- Produce clear, accurate, and detailed risk assessment reports, including updating schematic drawings where required.
- Manage your own diary and workload while maintaining professional communication with clients and site contacts.
- Complete occasional water hygiene service work, including temperature monitoring, sampling, flushing, tank inspections, and showerhead cleaning.
- Maintain accurate electronic records and ensure all work is completed safely and in line with company procedures.
Who you are
- Previous experience completing Legionella risk assessments.
- Strong knowledge of ACOP L8 and HSG274.
- Experience working with a range of hot and cold water systems.
- The ability to produce professional and technically accurate reports.
- Previous water hygiene monitoring or servicing experience.
- Strong communication and customer service skills.
- Good organization and time-management skills.
- Confidence working independently and managing a mobile workload.
- Good IT skills and experience using electronic reporting systems.
- A full UK driving license.
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Join us
You’ll be joining a business where your contribution matters and where professionalism, integrity, and teamwork are genuinely valued. As part of the wider Celnor Group, you’ll benefit from group-wide investment, shared expertise, and opportunities to develop your career as the organization continues to grow.
Benefits
- Company Van, fuel card, and personal use allowed.
- 20 days of annual leave plus bank holidays.
- Employee Assistance Programme offering confidential support whenever you need.
- Fully funded training and development, supporting you to progress.
Important information
- Celnor Group and its businesses manage recruitment directly. We do not require agency support for this role and will only engage with recruitment partners from our preferred supplier list where necessary.
- We may use technology, including AI-enabled tools, to support parts of the recruitment process. AI is not used for candidate screening, scoring, or hiring decisions. All hiring decisions are made by people, for people. Our recruitment systems are ISO 42001 accredited, reflecting our commitment to ethical, transparent, and responsible use of technology.
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