Field Service Engineer – Biomethane Altera Recruitment Group is seeking a Field Service Engineer specialising in biomethane and biogas systems. This is a field-based role supporting the maintenance, servicing, and fault resolution of gas engine and energy generation assets across multiple sites. Key Responsibilities Field Service Engineer * Carry out planned maintenance, servicing, and fault diagnosis on biomethane and biogas plant equipment. * Respond to breakdowns and participate in a structured on-call rota to support 24/7 operational coverage. * Travel between operational sites to ensure plant availability, safety, and performance standards are met. * Complete service reports, documentation, and compliance records accurately and in a timely manner. * Support commissioning activities, upgrades, and exposure to emerging technologies, including natural gas systems. Candidate Requirements * Multi-skilled engineering background with both mechanical and electrical experience. * Previous exposure to biomethane, biogas, or gas engine environments; Jenbacher experience highly desirable. * Strong fault-finding ability with a methodical and safety-conscious approach to work. * Willingness to travel regularly and participate in an on-call rota (typically 1 in 5 for engineers). * Full UK driving licence and flexibil...