Commissioning Technician

Department: Commissioning Team

Employment Type: Full Time

Location: London - Central

Compensation: GBP 30,000 - GBP 38,000 / year

Description

Commissioning Technician
Veriflo

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 detailsVeriflo are seeking an individual with a background in water networks to join the Commissioning Team in delivering the end-to-end commissioning works to clean water mains ranging from 80mm to 1000mm. As a key part of on site operations, the Commissioning Technician is responsible for ensuring the safe, efficient and compliant delivery of projects.

What will you do

• Carry out pressure testing, swabbing, flushing, chlorination, de-chlorination and commissioning activities for water assets.
• Conduct pre, post and live site surveys, inspections and monitoring, including onsite briefings to ensure safe delivery of works.
• Monitor dosing equipment performance and key parameters such as flow, pressure, turbidity and chlorine levels to ensure compliance and water quality.
• Troubleshoot commissioning issues, identify root causes, escalate where necessary and implement corrective actions.
• Maintain detailed records and reports including surveys, audits, photo evidence, testing results and commissioning adjustments.
• Ensure HSE compliance and effective stakeholder communication, while supporting wider project workstreams and mentoring technicians when required.

Who you are

• Minimum 3 years' experience in water network field activities, with strong practical industry knowledge.
• Relevant industry accreditations such as EUSR Water Hygiene, EUSR SHEA Water, EUSR Hydrostatic Pressure Testing and NRSWA Operative (training provided where required).
• Competent in valve operations (including CALM Networks) and confined space entry.
• Good IT skills including GIS mapping tools, PDA/tablet use and online reporting systems.
• Able to interpret RAMS and follow HSE procedures, ensuring work is completed safely and to industry standards.
• Proactive and methodical team player who can take ownership of tasks, collaborate effectively, and work flexibly including day, night and weekend shifts when required

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.