Pre-Commissioning Water Treatment Flushing Engineer
Pre-Commissioning Water Treatment Flushing Engineer
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Job Description
Pre-Commissioning Water Treatment / Flushing Engineer
About Our Client
Our client is a trusted provider of commissioning and building services solutions delivering specialist water treatment and flushing services to projects across data centres pharmaceuticals commercial and healthcare sectors. With a strong focus on compliance safety and technical precision they ensure systems are prepared to the highest standards before commissioning and handover.
About the Role
They are now seeking a skilled and experienced Pre-Commissioning Water Treatment / Flushing Engineer to carry out the pre-commission cleaning chemical dosing flushing and treatment of closed and open loop systems (including CHW LTHW condenser and domestic water). This role is nationwide and critical to ensuring systems are delivered to specification compliant with BSRIA BG29/BG50 and fully prepared for commissioning.
Key Responsibilities
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Perform pre-commission cleaning dynamic and static flushing chemical dosing and sampling of HVAC and water systems in accordance with BSRIA and project specifications.
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Carry out closed and open loop water system flushing (CHW LTHW condenser domestic hot & cold water).
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Conduct water quality testing interpret results and make treatment adjustments as needed.
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Complete on-site testing (pH conductivity iron hardness bacteria sampling Legionella TVC etc.).
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Maintain accurate documentation including flushing certificates test results and compliance records.
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Coordinate with mechanical and commissioning teams to ensure timely delivery of pre-commissioning works.
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Operate pumps dosing rigs side stream filters and associated equipment.
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Ensure all works comply with HSE regulations and COSHH guidelines.
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Troubleshoot and resolve water quality or system performance issues.
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Attend client/site meetings and provide technical input as required.
Requirements
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Proven experience (2 years) in water treatment pre-commission cleaning or mechanical flushing.
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Strong working knowledge of BSRIA BG29 & BG50 guidelines.
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Familiarity with HVAC systems pipework layouts strainers valves and test points.
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Experience handling treatment chemicals including inhibitors biocides and cleaning agents.
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Ability to use and calibrate basic water testing equipment.
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Excellent documentation communication and report-writing skills.
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Full clean driving licence and willingness to travel.
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Safe Pass card required; additional site certs (e.g. confined space MEWP) are a plus.
Preferred Experience
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Experience on large-scale projects (data centre commercial life sciences industrial or healthcare).
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Knowledge of closed loop domestic systems cooling towers or cleanroom water treatment.
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Legionella awareness training or water hygiene qualification.
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Understanding of commissioning timelines and coordination with mechanical packages.
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Experience supervising or mentoring junior technicians or subcontractors.
Whats on Offer
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Competitive salary and allowances.
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Opportunities for certification and training (e.g. BSRIA LCA).
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Exposure to high-profile projects across data centres pharma healthcare and commercial sectors.
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Supportive team environment with clear progression opportunities.
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Company vehicle and travel expenses (where applicable).
Hi Chris
We are currently looking to recruit for the two attached roles. Can you assist with them We are looking for a minimum of two years experience with the TAB/Commissioning engineer with a salary from 50K upwards depending on experience vehicle and other benefits same package for the flushing engineer we are also looking for a senior flushing engineer with a minimum of 5 years experience 55k plus with benefits depending on experience
Employment Type
Full Time
