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360 Resourcing Solutions Logo 360 Resourcing Solutions · Energy

Senior Water Treatment Technician

United Kingdom, Cambridge 17.31 GBP / Hour · Job Posted January 15, 2026
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Job Description

Looking for a hands-on role where every day is different? At HSL Compliance, we’re looking for motivated individuals with a positive attitude, good work ethic, and a full driving licence to join our team.

Job Responsibility

  • Travel to various sites each day (company vehicle provided after training)
  • Servicing, testing and dosing of closed systems (e.g., heating/chilled water), including sampling, analysis and corrective actions
  • Steam boiler water treatment, including routine testing, blowdown advice, chemical control and troubleshooting (where within role scope)
  • Installation, commissioning, servicing and fault-finding of chemical dosing units
  • Servicing and maintaining filtration systems
  • Servicing and performance checks on UV systems
  • Servicing, monitoring and basic fault finding on RO (Reverse Osmosis), DI (Deionisation) and associated treatment equipment
  • Completing on-site documentation, test records and reports accurately and on time
  • Ensuring compliance with relevant guidance, safe systems of work, and COSHH when handling chemicals
  • Liaising with clients, account managers and internal teams to plan remedial actions and follow-up works
  • Maintaining equipment, stock, calibration where applicable, and good housekeeping within the vehicle and on site

Requirements

  • A full UK driving licence (essential)
  • Reliability and strong work ethic
  • Confidence to work independently once trained
  • Good communication and customer service skills
  • Willingness to learn and develop new skills
  • Ability to follow processes and work safely
  • Water treatment qualifications / training and experience (Essential)
  • Knowledge of Legionella guidance and water safety best practice (Essential)
  • Mechanical/ electrical aptitude for pump, controller and instrumentation fault finding (Essential)

What we offer

  • Full training and clear career development pathways
  • Opportunities to gain industry-recognised qualifications
  • Paid overtime (including travel time from leaving home)
  • 22 days annual leave + bank holidays
  • Option to take 3 additional unpaid leave days
  • Company pension scheme & sick pay scheme
  • Free eye test every 2 years
  • Access to Kinhub (wellbeing & financial support)
  • Discounts with hundreds of retailers via Reward Gateway
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