Reverse Osmosis (RO) Service Engineer – Data Centres Location: South of England (including regular work in London) Salary: £45,000 – £50,000 per annum (dependent on experience) Job Type: Full-time, Permanent About the Company We are a long-established and highly respected business operating across the water and air hygiene markets. While we’ve grown significantly over the years, we’ve retained a genuine family feel—with an approachable, down-to-earth leadership team where the board is as accessible as anyone else in the business. We’re currently experiencing strong growth, particularly within the data centre sector, and as a result are looking to expand our specialist engineering team. This is a great time to join a business that invests in its people, values expertise, and offers real career progression. The Role We are seeking an experienced Reverse Osmosis Service Engineer to work primarily within data centre environments across the South of England, with a significant amount of work in London. This is a technically focused role, ideal for an engineer who is confident working with RO systems in critical environments and is looking to develop their career within a growing and forward-thinking business. Key Responsibilities Service, maintain, fault-find, and commission Reverse Osmosis (RO) systems Work within live data centre environments, adhering to strict site and security procedures Carry out planned and reactive maintenance visits Diagnose system performance issues and recommend corrective actions Complete service reports and compliance documentation accurately Liaise professionally with clients and internal teams Ensure all work is completed in line with health & safety and company standardsEssential Requirements Proven experience working with Reverse Osmosis equipment Background in water treatment / water hygiene engineering Experience working in critical or high-security environments (data centres desirable) Ability to pass relevant security and background checks required for data centre access Strong fault-finding and problem-solving skills Professional, reliable, and customer-focused approach Full UK driving licenceWhat We Offer Salary guide of £45,000 – £50,000, dependent on experience Stable, long-established company with a genuine family feel Friendly, supportive, and approachable management team Significant opportunities for career progression as the business grows Exposure to high-profile data centre clients Ongoing training and developmentHow to Apply Please submit your CV to (url removed) or contact Danny Woodcock on (phone number removed) for a confidential discussion