Water Chlorinator and Pipe Pressure Tester
Possible
Sponsorship likelihood
This job is eligible only on a shortage list
Not disclosed
Salary
Not disclosed by employer
£41,700
Going rate
Skilled Worker going rate
This role likely qualifies for a Skilled Worker visa
SOC 3115 (75% match) is an eligible occupation, with a going rate of £41,700, and UNITED INFRASTRUCTURE MANAGEMENT LIMITED is a licensed sponsor. That is our reading of the rules. Whether they issue a Certificate of Sponsorship is still their call.
Worth checking: this could also be SOC 8134 (Water and sewerage plant operatives, Water plant operative operating water mains chlorination), which is not on the eligible-occupation list. Ask UNITED INFRASTRUCTURE MANAGEMENT LIMITED what the duties actually are.
New graduate or PhD holder? Pick one of the lower rates.
What each route needs for this job
| Occupation code | New entrant 70% of going rate | STEM PhD 80% of going rate | Relevant PhD 90% of going rate | Standard rate 100% of going rate |
|---|---|---|---|---|
3115 Quality assurance technicians Most likely code | £33,400 | £33,400 | £37,500 | £41,700 |
5214 Pipe fitters Also possible | £33,400 | £46,000 | £46,000 | £46,000 |
8134 Water and sewerage plant operatives Also possible | £33,400 | £41,700 | £41,700 | £41,700 |
We use the lowest threshold across the plausible codes. Likelihood is Possible at most when the pay clears only a lower rate, or only under a less likely code. How the Home Office picks the code
About the role
Overview
We’re looking for a skilled and safety-focused Water Mains Chlorination & Commissioning Technician to join our Network Improvement team. In this role, you’ll be responsible for the safe, efficient, and compliant chlorination, pressure testing, and commissioning of newly installed water mains and services. You’ll play a vital part in protecting water quality, ensuring network integrity, and supporting the smooth handover of completed assets in accordance with Northumbrian Water (NWG) standards, industry regulations, and United Infrastructure operating procedures.
Key Responsibilities
Chlorination & Disinfection
Carry out chlorination of new and repaired water mains using approved methods.
Calculate chlorine doses, volumes, retention times, and neutralisation requirements.
Safely neutralise and dispose of chlorinated water using approved de-chlorination equipment and chemicals.
Collect water samples post-chlorination for laboratory analysis and maintain accurate test data.
Pressure Testing
Conduct hydrostatic pressure tests on mains and services using calibrated equipment.
Verify pressures, durations, and allowable drops in line with standards.
Identify and report leaks or integrity issues promptly.
Complete all logs, paperwork, and digital records for test certification.
Water Quality Compliance
Adhere to NWG protocols and United Infrastructure operating procedures.
Maintain high standards of hygiene, pipe cleanliness, and contamination control.
Support site teams in proper pipe storage, capping, and protection.
Documentation & Reporting
Complete chlorination certificates, sampling logs, and pressure test results.
Submit documentation to planners, commissioning engineers, and NWG representatives.
Maintain accurate records for audit and compliance purposes.
Equipment Management
Operate, maintain, and calibrate chlorination rigs, pumps, and testing equipment.
Inspect hoses, connections, and backflow prevention devices for compliance.
Report defects and ensure all equipment remains certified and safe.
Health, Safety & Environmental
Follow NWG and United Infrastructure safety standards, including Zero Harm principles.
Carry out risk assessments and comply with COSHH, PUWER, and HSG47 regulations.
Handle and store chemicals safely, preventing environmental harm through proper wastewater management.
Essential Skills & Experience
EUSR National Water Hygiene certification.
Proven experience in chlorination, pressure testing, commissioning, or related water-sector work.
Good understanding of water industry standards and procedures.
Full UK driving licence.
Strong practical skills and effective problem-solving ability.
Excellent communication with site teams, planners, and NWG inspectors.
High attention to detail and strong commitment to safety and water quality.
Behaviours & Competencies
Safety-first mindset: Committed to Zero Harm and contamination prevention.
Quality-driven: Strives for first-time acceptance and compliance.
Organised and methodical: Maintains clear, accurate records.
Proactive and collaborative: Works effectively with site crews and supervisors.
Customer and compliance focused: Protects water quality, supply, and delivery schedules.
This description is the source posting as it read when we added it. We are not affiliated with UNITED INFRASTRUCTURE MANAGEMENT LIMITED, so check their own site for the current details.
Where this offer sits in the market
Quality assurance technicians (SOC 3115) · UK · ONS ASHE 2025 · basic pay · ~43k in sample- Middle half £28,444–41,340
- Median £32,968
- Going rate £41,700
- Threshold £41,700
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About sponsorship for this role
Does this job guarantee visa sponsorship?
Not necessarily. UNITED INFRASTRUCTURE MANAGEMENT LIMITED holds a sponsor licence, but sponsorship for a specific hire is always the employer's decision. Be upfront in your application that you'll require it.
What salary is needed for this role to be eligible?
The offer must clear both the general threshold and the SOC 3115 going rate of £41,700. New-entrant and shortage discounts can lower it.