Legionella Risk Assessor

Job Purpose

To carry out Legionella risk assessments on domestic, commercial and industrial water systems following current laws and guidance, including ACOP L8, HSG274, BS 8580-1, and HTM 04-01 where relevant. The role involves finding Legionella risks, creating detailed reports, and advising clients on corrective actions to ensure compliance and safe water management.

Key Duties

• Carry out Legionella risk assessments on hot and cold-water systems.


• Check water storage tanks, heaters, pipes, outlets, spa pools, and related equipment.


• Find risk factors.


• Review existing Legionella management procedures and records.

Reporting and Record-keeping

• Create clear, accurate, and compliant risk assessment reports.


• Make and update diagrams of water systems.


• Keep accurate digital and paper records.


• Rank findings and provide practical suggestions for corrective actions.

Compliance and Technical Advice

• Carry out assessments following: ACOP L8, HSG274 Parts 1-3, BS 8580-1:2019, HTM 04-01 (where relevant), Relevant Water Supply Rules


• Give technical advice to clients about Legionella control measures.


• Help clients achieve and maintain compliance.

Client and Partner Relations

• Communicate professionally with clients, facilities managers, engineers, and contractors.


• Present findings and explain suggestions.


• Attend client meetings when needed.


• Represent the company professionally at all times.

Health and Safety

• Follow company Health and Safety procedures.


• Carry out work following risk assessments and safe systems of work.


• Use proper PPE and maintain company equipment.

Essential Qualifications

• Legionella Risk Assessment qualification (e.g. City and Guilds, BOHS, WMSoc or similar).


• Full UK Driving Licence.


• At least 2 years' experience carrying out Legionella risk assessments.

Essential Knowledge and Skills

• Good knowledge of: ACOP L8, HSG274, BS 8580-1, Water Supply Rules, HTM 04-01 (preferred)


• Ability to read water system diagrams.


• Excellent report-writing skills.


• Good IT skills including Microsoft Office and mobile reporting systems.


• Good communication and customer service skills.


• Ability to work alone and manage workload well.

Preferred Qualifications and Experience

• Water sampling and temperature checking experience.

Key Abilities

• Attention to detail


• Analytical and problem-solving skills


• Technical ability


• Time management


• Professional honesty


• Customer focus


• Ability to work with little oversight

Our Values

People First - It starts with health, safety and wellbeing

Better Together - A team-working approach

Trusted Partners - Committed to our clients' success

Equality, Diversity and Inclusion

We're dedicated to a fair and equal recruitment process. If you need any adjustments, please let us know in confidence - our team is here to help you.