Pressure Tester Department: Commissioning Team Employment Type: Full Time Location: London - East Description Veriflo Limted Commissioning Specialist - Otherwise known as Pressure Tester / Chlorination Tester/ Chlorinato…
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Full-time
professional certificate
24 Days Annual Leave Plus Bank Holidays, Benenden Health & Lifestyle Rewards Scheme, Private Healthcare, 24/7 GP, Retail Discounts, Extra Holiday Days For Long Service
Posted 30d ago
~40 hrs/week
Responsibilities
Deliver end-to-end commissioning activities including pressure testing, chlorination, and flushing on clean water mains. Ensure full compliance with safety and environmental standards while coordinating with clients and internal teams.
Requirements
Requires experience in commissioning and water disinfection with a full UK driving licence. Must hold relevant industry certifications such as EUSR Water Hygiene, SHEA Water, and NRSWA.
Full job description
Pressure Tester
Department: Commissioning Team
Employment Type: Full Time
Location: London - East
Description
Veriflo Limted Commissioning Specialist - Otherwise known as Pressure Tester / Chlorination Tester/ Chlorinator / Water Mains Disinfection / Water Mains Chlorination/ Disinfection Engineer.
Salary is dependant on experience
Who we are We are specialists in clean water and asset management, working in close partnership with our clients to plan, manage, and optimise water infrastructure projects. Our end-to-end services span investigation, verification, commissioning, leakage detection, and water quality support, ensuring reliable and efficient outcomes at every stage.
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 We are seeking a field based Commissioning Specialist to deliver end-to-end commissioning works on clean water mains from 80mm to 1000mm. Working closely with the Field Supervisor and Project Manager, the role ensures safe, compliant, and efficient project delivery, acting as the key on-site point of contact.
What you will do
Ensure full compliance with company, client, and industry HSE, safety, and environmental standards.
Deliver commissioning activities including pressure testing, swabbing, flushing, chlorination, dechlorination, and asset commissioning.
Conduct pre-site, live, and post-site surveys, inspections, and briefings to ensure safe and compliant delivery.
Liaise with internal teams, clients, contractors, and suppliers to maintain clear and effective communication.
Monitor and analyse dosing equipment performance, including flow, pressure, turbidity, and chlorine levels, to ensure compliance.
Identify, troubleshoot, and escalate commissioning issues to protect water quality, end users, and the network.
Maintain accurate records, manage equipment, support alternative workstreams when required, and mentor technicians, with flexibility for occasional extended or short-notice shifts.
Who you are
Experience in a commissioning role, with exposure to pressure testing, chlorination, and dechlorination (training provided where required).
Relevant industry certifications such as EUSR Water Hygiene, SHEA Water, Hydrostatic Pressure Testing, NRSWA, Confined Space, and CSCS/SSSTS/SMSTS.
Strong practical industry knowledge with the ability to brief RAMS and uphold the highest safety and compliance standards.
Competent in IT systems including GIS mapping tools, PDA/Tablet use, and online reporting software.
Proven ability to take ownership of tasks, coordinate resources, lead activities on site, and drive work through to completion.
Experience in valve operations (including CALM Networks) and effective collaboration across field and office teams.
Full UK driving licence and flexibility to work days, nights, and weekends in line with operational requirements.
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 organisation continues to grow.
Benefits
24 days annual leave plus bank holidays
Benenden Health & Lifestyle rewards scheme: private healthcare, 24/7 GP and retail discounts
Extra holiday days for long service (up to +30 days)
Pension contributions above statutory minimum
Support for professional development: funding for qualifications and memberships
Twice-annual salary reviews and performance appraisals
All offers are subject to DBS checks and Drug & Alcohol Testing.
.
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.
Specialist testing, inspection, certification and compliance (TICC) services
Industry
Environmental Services
Company size
1,001-5,000 employees
Founded
2023
Headquarters
London
LinkedIn followers
4,745
We’re an international service provider in the Testing, Inspection, Certification and Compliance (TICC) sector. Our specialist companies share our commitment to high standards, customer focus and sustainable growth. By combining the agility of smaller firms with the strength and security of a larger organisation, we deliver the trusted data and advice that our clients need to operate safely, legally, and responsibly.
Offices: Beaumont Midtown, 322 High Holborn, London, WC1V 7PB, GB · Beaumont Midtown, 322 High Holborn, London, WC1V 7PB, GB
How many Security & Safety jobs are open in Greater London, United Kingdom right now?
There are currently 188 open security & safety positions in Greater London, United Kingdom listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Security & Safety roles in Greater London, United Kingdom?
Companies currently hiring include VIVO Defence Services, Anchor Group Services, SOCOTEC UK & Ireland, SOSi, Ambulnz Community Partners, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Security & Safety jobs in Greater London, United Kingdom?
Yes — 48 of the 188 open security & safety positions offer remote or hybrid work (5 remote, 43 hybrid).
How do I apply for Security & Safety jobs in Greater London, United Kingdom?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.