Senior Water Treatment Technician Covering: Cambridgeshire, Suffolk & surrounding areas Pay: £17.31 per hour overtime Hours: 40 hours per week, full-time Contract: Permanent Overview An established and growing UK compliance and water treatment provider is seeking an experienced Senior Water Treatment Technician to join its regional field team. This role suits someone who enjoys working independently, covering a variety of sites, and taking ownership of technical delivery while being backed by a supportive management structure. You’ll be working across commercial and public-sector environments with long-term stability and clear progression opportunities. A company vehicle is provided once training and onboarding are complete. Key Responsibilities Carry out planned and reactive water treatment works across multiple client sites Service, test and chemically dose closed systems, including heating and chilled water systems Undertake steam boiler water treatment activities, including testing, chemical control and system optimisation * Install, commission, service and fault-find chemical dosing equipment such as: * Chlorine Dioxide (ClO2) systems * Silver-stabilised hydrogen peroxide systems * Ultralox and similar disinfection technologies * Maintain and service filtration systems (cartridge, bag, strainers and backwash filters) * Conduct servicing and performance checks on UV disinfection systems * Carry out routine monitoring and basic fault-finding on RO and DI plant and associated equipment * Complete site records, test results and service reports accurately and on time * Work in line with COSHH, method statements and water safety guidance * Communicate effectively with clients, account managers and internal teams regarding findings and remedial actions * Maintain tools, equipment, stock levels and vehicle standards What We’re Looking For Full UK driving licence (essential) Demonstrable experience in water treatment engineering (essential) Strong understanding of Legionella control and water safety legislation (essential) Mechanical and electrical competence relating to pumps, controllers and instrumentation (essential) Comfortable working autonomously once trained Professional, organised and customer-focused approach Commitment to safe working practices and quality standards What’s in It for You £17.31 per hour Paid overtime, including travel time from home Company vehicle provided 22 days annual leave plus bank holidays Option to purchase up to 3 additional unpaid leave days Company pension and sick pay schemes Structured training and development programme Support to achieve recognised industry qualifications Free eye test every two years Access to wellbeing, mental health and financial support services Retail discounts through a national rewards platform Next Steps If you’re an experienced Water Treatment Technician looking for a permanent role with variety, security and progression, apply now for a confidential discussion or call the recruitment team on (phone number removed)