Commercial Combustion Engineer South UK - M25 corridor, Central London and wider South East £40,000 to £50,000 DOE van benefits Full time | Permanent Pearson Whiffin Recruitment is working with a well-established building services contractor to recruit an experienced Commercial Combustion Engineer to join their growing team. This is a mobile role covering sites across the South of England, typically within the M25 corridor but with work further afield as required, including Central London. You will support a diverse portfolio that includes leisure centres, schools, garages and car showrooms. The role You will carry out planned and reactive works on commercial heating and hot water systems across a varied site base. This position requires someone confident working independently, managing workloads and resolving issues without reliance on close supervision. While autonomy is essential, you will have access to a technical helpline and support from management when needed. Duties • Servicing, maintaining and repairing commercial boilers and plant • Diagnosing faults on gas fired systems and carrying out effective repairs • Testing, commissioning and setting up commercial heating equipment • Working on burners, pressurisation units, gas safety systems and associated controls • Carrying out commercial gas safety checks and completing the required documentation • Handling reactive breakdowns and ensuring safe restoration of systems • Advising clients on performance, efficiency and recommended remedial works • Ensuring all works comply with gas safety regulations and company procedures What you will need • Valid commercial gas qualifications • A minimum of five years’ experience as a combustion engineer • Strong diagnostic and problem solving skills • Comfortable working across multiple sites and managing your own workload • Full UK driving licence What’s on offer • Salary £40,000 to £50,000 DOE • Company van fuel card, with personal use subject to director approval • Overtime paid at time and a half • Call out rota 1 in 6 weeks, with weekly on call allowance • Travel paid door to door at time and a half for call outs after your shift • Excellent team culture Locations Applications welcomed from engineers based anywhere across the South of the UK, particularly within the M25 corridor and surrounding areas. If you are a confident, commercially qualified engineer looking for a stable, long term opportunity, we would love to hear from you. To apply or find out more, please contact Anna Sikora at Pearson Whiffin Recruitment