Service and Commissioning EngineerCompetitive Salary (DOE) + 25 days'' annual leave, pension and private healthcare Location: London and South of England (regional projects, with travel outside London as required) Full-time PermanentThe OpportunityWe are looking for a skilled Service and Commissioning Engineer to join a growing Building Management Systems (BMS) team. This role combines planned preventative maintenance (PPM), small works commissioning, and reactive call-outs across a range of BMS platforms.You''ll work both independently and as part of a wider service team, with opportunities to mentor junior engineers and share technical knowledge. If you''re looking for a role where you can take ownership, build strong client relationships, and work on varied projects - this could be the right next step.What You''ll Be DoingCarry out PPM, small works commissioning and call-outs on BMS systemsCommission and configure systems such as Trend, Tridium, Siemens, Schneider, and ALC (training provided where needed)Produce site reports, commissioning files, OandM documentation, and handover packsMaintain accurate backups, LAN maps, and site records in line with company standardsSupervise junior engineers and subcontractors, ensuring safe working practicesSupport projects from installation through to commissioning and handoverEnsure compliance with HandS policies, risk assessments, and method statementsDeliver strong client communication and maintain long-term relationshipsWhat We''re