Water Network Technician

Celnor; City Of London; On-site; GBP 30,000 - 36,000; Full time

Benefits offered by this job

Annual leave

Private healthcare

Pension scheme

Professional development

Salary reviews

Job summary

Veriflo, part of the Celnor Group, is seeking a Water Network Technician to lead the safe delivery of water network operations in London and surrounding areas.

You will plan isolations, assess asset operability, manage water quality, supervise contractors and mentor academy learners; a full-time day or night shift is available.

Join a team committed to customer outcomes, safety and continuous improvement, with development opportunities and DBS/qualifications considerations.

Qualifications

• Experience in water network operations and mains isolation activities.
• Strong understanding of water quality principles and diagnostic methods.
• Ability to interpret network plans and GIS information.

Responsibilities

• Plan and undertake complex distribution main isolations with minimal supply interruption.
• Asset proving and operability checks; mains tracing and asset identification.
• Conduct network investigations, diagnostics and directional flushing programs.
• Manage water quality activities, sample collection and incident response.
• Supervise contractors, maintain client relationships and support mentoring of learners.

Skills

Planning and execution

Asset management

Water quality knowledge

Communication with stakeholders

Leadership/mentoring

Job description

Lead the Safe Delivery of Water Network Operations
Location: London / Greater London / Thames Valley.
Total compensation: Up to £55,000 inclusive of shift allowances, overtime opportunities and dependant on experience.
Contract Type: Permanent, Full Time, Day or Night shift available.

Protect Water Supplies. Lead Operational Excellence.Safe, reliable drinking water is one of the most important services provided to our communities.

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 Water Network Technician, you will play a critical role in maintaining network performance, protecting water quality and ensuring operational activities are delivered safely and efficiently.

This is an exciting opportunity for an experienced operational professional to take ownership of network activities, provide technical expertise and support the development of future talent within our field workforce.

What you will do

• Planning and undertaking complex distribution main isolations as well as trunk main and transmission mains isolations, ensuring there is no Supply Interruption impact.
• Asset proving and operability checks.
• Mains tracing and asset identification.
• Network investigations and diagnostics.
• Directional flushing programmes.
• Water quality activities e.g. sample collection, risk mitigation & incident response.
• Logger deployment and data interpretation.
• Contractor supervision and assurance.
• Client relationships.
• Incident response and escalation support.
• Coaching and mentoring Operatives and Academy learners.

This role requires strong technical expertise, sound operational judgement and a commitment to delivering excellent customer outcome.

What Success Looks Like

• Lead operational activities safely and effectively.
• Make informed technical decisions that protect the network.
• Understand and manage customer and operational risk.
• Ensure compliance with procedures and regulatory requirements.
• Support and develop less experienced colleagues.
• Deliver excellent customer and stakeholder outcomes.
• Act as a technical role model within the field workforce.
• Full UK Driving Licence.
• Satisfactory Basic DBS.
• First Aid Qualification.
• EUSR National Water Hygiene.
• Proven experience within water network operations.
• Experience of mains isolation activities.
• Good understanding of water quality principles.
• Experience using network monitoring and diagnostic equipment.
• Ability to interpret network plans and GIS information.
• Strong communication and stakeholder management skills.
• Commitment to health, safety and compliance.
• Experience coaching or mentoring operational colleagues.

Desirable Qualifications & Experience

• Confined Space Training.
• Trunk Main Operations experience.

Why Join Veriflo?

At Veriflo, we are building a highly capable field workforce supported by structured competency development, clear career pathways and a culture of continuous improvement.

** Certified Great Place to Work 2026 **

• Lead critical network activities.
• Influence operational performance.
• Help protect water quality and customer service.
• Develop future Operatives and Technicians.
• Contribute to continuous improvement across the business.
• Water Network Specialist
• Field Team Supervisor
• Field Operations Manager

We are committed to supporting employees through competency based development and leadership opportunities.

Benefits

• Up to 30 days annual leave plus bank holidays*
• Benenden Health & Lifestyle rewards scheme: private healthcare, 24/7 GP and retail discounts.
• Pension contributions above statutory minimum.
• Support for professional development: funding for qualifications and memberships.
• 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.