Water Treatment/Flushing Engineer

Blackedge Consulting; Greater London; On-site; GBP 35,000 - 52,000; Full time

Benefits offered by this job

Company vehicle and travel expenses

Training and development opportunities

Industry qualifications support

Job summary

Blackedge Consulting is seeking an experienced Pre-Commissioning Water Treatment / Flushing Engineer to work on major construction and engineering projects across the UK. You will lead pre-commission cleaning, flushing and water treatment of mechanical and HVAC systems, ensuring safety and compliance with project requirements.

The role requires hands-on water treatment or mechanical flushing experience, knowledge of BSRIA BG29/BG50, and a willingness to travel nationwide to site locations.

Qualifications

• 2+ years' experience in water treatment or pre-commissioning cleaning
• Knowledge of BSRIA BG29 and BG50
• Practical understanding of HVAC systems, pipework and water systems
• Experience with water treatment chemicals (inhibitors, biocides, cleaners)
• Ability to carry out and interpret basic water quality tests
• Full driving licence and willingness to travel nationwide; Safe Pass or equivalent

Responsibilities

• Carry out pre-commission cleaning, flushing, chemical dosing and water treatment of mechanical and HVAC systems.
• Undertake static and dynamic flushing of closed and open water systems (CHW, LTHW, condenser, domestic).
• Test and monitor water quality; adjust chemical treatment as needed.
• Conduct on-site water testing (pH, conductivity, iron, hardness, microbiology).
• Work to BSRIA BG29/BG50 and project specifications; follow water treatment procedures.
• Operate flushing pumps, dosing equipment and side-stream filtration systems.
• Identify and resolve water quality, flushing performance and cleanliness issues.
• Maintain records and produce flushing certificates, test results and reports.
• Coordinate with commissioning engineers, contractors, PMs and clients to stay on programme.
• Attend site/client meetings; provide technical updates on water treatment activities.
• Adhere to HSE, COSHH and site safety procedures; guide junior staff where needed.

Skills

Water treatment

Pre-commissioning

Mechanical flushing

HVAC systems

Water testing

Tools

BSRIA BG29

BSRIA BG50

Job description

Pre-Commissioning Water Treatment / Flushing Engineer

Location: Countrywide

Employment Type: Full-Time

Salary: Competitive, dependent on experience

Travel: Nationwide travel required

The Role

We are currently recruiting for an experienced Pre-Commissioning Water Treatment / Flushing Engineer to join a growing team working across a range of major construction and engineering projects.

The successful candidate will be responsible for the pre-commissioning, cleaning, flushing and water treatment of mechanical and HVAC systems, ensuring all works are completed safely, efficiently and in line with project requirements and relevant BSRIA standards.

This is an excellent opportunity for someone with hands-on experience in water treatment or mechanical flushing who is looking to develop their career within large-scale commercial, data centre, pharmaceutical, healthcare or industrial projects.

Key Responsibilities

• Carry out pre-commission cleaning, flushing, chemical dosing and water treatment of mechanical and HVAC systems.
• Undertake both static and dynamic flushing of closed and open water systems, including CHW, LTHW, condenser and domestic water systems.
• Test and monitor system water quality, making appropriate chemical treatment adjustments where required.
• Complete on-site water testing, including pH, conductivity, iron, hardness and microbiological sampling.
• Work in accordance with BSRIA BG29, BG50, project specifications and relevant water treatment procedures.
• Operate flushing pumps, dosing equipment, side-stream filtration systems and associated plant.
• Identify and resolve issues relating to water quality, flushing performance and system cleanliness.
• Maintain accurate records and produce flushing certificates, test results and completion reports.
• Liaise closely with commissioning engineers, mechanical contractors, project managers and clients to ensure works remain on programme.
• Attend site and client meetings when required, providing technical advice and updates on water treatment activities.
• Ensure all works are carried out in accordance with HSE requirements, COSHH and site-specific safety procedures.
• Where required, provide guidance and support to junior engineers, technicians and subcontractors.

About You

• At least 2 years' relevant experience in water treatment, pre-commissioning cleaning, mechanical flushing or a similar role.
• Good knowledge of BSRIA BG29 and BG50.
• Practical understanding of HVAC systems, pipework, valves, strainers, pumps and test points.
• Experience working with water treatment chemicals, including inhibitors, biocides and cleaning agents.
• The ability to carry out and interpret basic water quality tests.
• Good communication, organisational and report-writing skills.
• A full, clean driving licence and flexibility to travel to sites nationwide.
• A Safe Pass card or equivalent site access qualification.

Desirable Experience

• Experience working on large-scale data centre, pharmaceutical, healthcare, commercial or industrial projects.
• Knowledge of closed-loop systems, domestic water systems and cooling towers.
• Experience with water hygiene and/or Legionella awareness.

What's on Offer?

• Competitive salary and allowances.
• Company vehicle and travel expenses, where applicable.
• Training and professional development opportunities.
• Support towards relevant industry qualifications and certifications.
• Opportunity to work on major projects across the UK and Ireland.
• Excellent long-term career progression.
• Exposure to leading clients and projects within the data centre, pharmaceutical, healthcare and commercial sectors.

If you have hands-on experience in pre-commissioning, water treatment or mechanical flushing and are looking for your next opportunity, we'd be keen to hear from you.