Water Treatment & Pre-Commissioning Engineer Job Title: Water Treatment & Pre-Commissioning Engineer Salary: £38,000 - £42,000 pa Company Vehicle & Excellent Package (Negotiable for exceptional, senior experience) Location: Field-based (Wiltshire, Berkshire, M4 Corridor, South West) Ideal base for coverage of industrial projects across Southern England (excluding inner London). Contract Type: Full-time, Permanent This is an urgent requirement with immediate attention needed. Candidates must be based in the UK with the right to work without sponsorship. About the Opportunity We are urgently partnering with a highly respected, growing environmental compliance specialist based in Southern England. This is a critical new hire for their rapidly expanding Water Management division, allowing them to bring specialist services in-house and increase service delivery capacity. The business is seeking a high-calibre Specialist Water Treatment & Pre-Commissioning Engineer to focus on complex, industrial heating and chilled water systems. You will be key to unlocking significant new profitability for the business, driving quality and technical excellence on major projects across the M4 Corridor and wider South West. What You'll Be Doing This role requires a dedicated specialist who can deliver comprehensive installation, maintenance, and pre-commissioning services on demanding industrial systems: Closed System Expertise: Lead on the installation, testing, cleaning, and chemical flushing of industrial heating and chilled systems. Compliance & Auditing: Execute all work strictly in line with industry best practice, including BSRIA BG29 (Pre-Commission Cleaning of Water Systems) and BG50. Water Hygiene: Conduct all standard Water Hygiene tasks ( ACOP L8, HSG274 ), including Legionella monitoring, temperature checks, and CWST disinfections. Technical Reporting: Produce detailed, professional reports and documentation for complex pre-commissioning works. Client Relationships: Act as the technical expert on site, building strong, positive relationships with clients and project managers. What We're Looking For The ideal candidate will be a specialist with proven, focused experience who values quality and technical detail: Focused UK Experience: Proven, hands-on experience as a Water Treatment or Pre-Commissioning Engineer in the UK, with specific expertise in industrial/commercial closed-loop heating/cooling systems (not just domestic plumbing). Essential Technical Knowledge: Strong and demonstrable experience with chemical cleaning and flushing protocols, specifically to BSRIA BG29 guidelines. Qualifications: Relevant technical qualifications (e.g., City & Guilds/WMS/BOHS) are highly valued. Location: Ideally located in or near the M4 corridor (Wiltshire, Berkshire, Swindon, Bristol area) to efficiently cover the project patch. Professionalism: Highly self-motivated, quality-driven, and excellent at client communication and service. Driving Licence: Full, clean UK Driving Licence is essential for this field-based role