Junior Pre-Commission Cleaning Engineer

24 hours ago


Greater London, United Kingdom Commissioning Technical Services Full time

Commissioning Technical Services (CTS) is one of the UK’s premier specialists in HVAC Commissioning, Commissioning Management, and Water Treatment. Based in London, we pride ourselves on our professional, high‑quality service delivered by a highly trained and experienced team. We provide exceptional solutions to clients across the UK and internationally, focusing on efficiency, expertise, and client satisfaction in every project. CTS is growing and seeking skilled Pre‑Commission Cleaning Engineers to support HVAC system performance across major commercial projects. If you’re early in your building services career, we want to hear from you. Location London & Home Counties | Central England | West of England | Europe What you’ll be doing Pre‑commission cleaning of closed water systems Flushing, dosing & filtration setup under supervision Sampling, chemical treatment & system water quality testing Interpreting method statements and system schematics Supporting senior engineers onsite and improving competency Preparing documentation and basic progress reports Requirements 1–2 years relevant building services or flushing/cleaning work Good understanding of LTHW/W system layouts preferred Keen to learn, reliable, mechanically capable Full driving licence and willingness to travel across regions Benefits Full development into a competent Pre‑Commission Engineer Certification support toward industry bodies (BESA / CSA / BSRIA / WMS) Exposure to commercial, data centre & large‑plant installations Competitive salary, benefits & long‑term progression Opportunity to move into commissioning, water treatment or TAB pathways Seniority level Entry level Employment type Full‑time Job function Engineering and Information Technology 🚀 If you’re ready to develop within Pre‑Commission Cleaning, CTS would like to hear from you. 📩 Apply via LinkedIn or email your CV to: enquiries@cts-ltd.com #J-18808-Ljbffr



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