Polyteck Building Services | Mobile around LondonPolyteck is seeking an experienced AC & Mechanical Improver Engineer to support maintenance, service, and repair works across multiple commercial and residential sites. This is a great opportunity for a developing AC & Mechanical Improver Engineer to build skills within a supportive engineering team.What You’ll Do Mechanical & AC reactive and planned maintenance Routine servicing, inspections & PPM tasks Fault finding and call-out support Complete reports, logbooks & compliance documents Ensure Health & Safety standards are met Liaise with customers and site teamsWhat You’ll Need Mechanical qualifications Experience with M&E systems Knowledge of pump/pressurisation servicing Professional, reliable, customer-focused approach Flexibility for occasional out‑of‑hours workWhat We Offer Supportive engineering team Pension scheme Training & development opportunities Work van provided 20 days holiday increasing + bank holidaysThe role is ideal for a motivated AC & Mechanical Improver Engineer looking to progress within building services.KeywordsAC & Mechanical Improver Engineer, Mechanical Maintenance, AC Maintenance, HVAC, Pumps, Pressurisation Units, PPM, Reactive Works, M&E Engineer, Mobile Engineer, Building Services, Fault Finding.Additional Information:All offers are subject to pre-employment checks and a DBS check. If you do not hear from us within 30 days, please consider your application unsuccessful. However, we encourage you to apply for future opportunities