Senior Account Manager / Key Account Manager

Water Treatment Account Manager - Berkshire

Ref: 4068Monday 27 July 2026

£50,000 - £70,000

Our client is a well-established Water Treatment company with an excellent reputation for delivering specialist water treatment solutions across commercial, industrial, healthcare, education, and manufacturing sectors.

Due to continued growth, they are looking to recruit an experienced Senior Account Manager / Key Account Manager to manage and develop an established portfolio of key clients across the South East.

This is an excellent opportunity for a commercially focused Water Treatment professional with strong technical knowledge and a proven ability to build long-term client relationships while identifying opportunities for business growth.

The Role

  • Manage and develop an established portfolio of key Water Treatment accounts
  • Build strong relationships with existing clients, ensuring high levels of customer satisfaction and retention
  • Identify opportunities to grow existing accounts through additional services and solutions
  • Conduct regular client review meetings and site visits
  • Provide technical advice on Water Treatment programmes and compliance requirements
  • Develop tailored treatment programmes for Cooling Towers, Steam Boilers, and Closed Systems
  • Review system performance and make recommendations to improve efficiency and compliance
  • Work closely with technical and operational teams to ensure excellent service delivery
  • Prepare quotations, service proposals, and contract renewals
  • Monitor account performance, profitability, and customer satisfaction
  • Produce regular account management reports and sales forecasts
  • Support tender submissions and contract negotiations where required
  • Ensure all work complies with relevant legislation and industry best practice

Requirements

  • Proven Senior Account Management or Key Account Management experience within the Water Treatment industry
  • Strong technical knowledge of:
    • Cooling Tower Water Treatment
    • Steam Boiler Water Treatment
    • Closed System Water Treatment
  • Experience managing major commercial and industrial client accounts
  • Excellent relationship-building and communication skills
  • Commercially aware with the ability to identify and convert growth opportunities
  • Strong presentation and negotiation skills
  • Self-motivated with excellent organisational and time-management abilities
  • Full UK Driving Licence

Desirable

  • Knowledge of ACoP L8, HSG274 and BG04 guidance
  • Water Treatment industry qualifications
  • Experience working with healthcare, pharmaceutical, manufacturing or critical environment clients
  • DBS Clearance (or the ability to obtain one)

Package

  • Basic Salary: £50,000 – £55,000
  • Company Car or Car Allowance
  • Performance Bonus
  • Pension Scheme
  • Mobile Phone & Laptop
  • 25 Days Annual Leave plus Bank Holidays
  • Ongoing Professional Development
  • Career Progression Opportunities

Location

Ideally based in the SE covering key accounts throughout London and the South East.

This is an excellent opportunity for an experienced Water Treatment Account Manager looking to join a growing business where they can make a real impact by developing existing client relationships while helping to drive future growth.

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