ersg is recruiting for a BESS Service Engineer on behalf of a leading OandM business on their flagship BESS site. The role primarily covers one site in Plymouth, others in South-West of England due soon.Experience of working on utility-scale BESS sites is a MUST, as is a good understanding of inverters and general skills on PCS, ECS and BMS. You MUST have CandG Level 3, 18th edition; if you have 2391 and HVAP certificates, this is advantageous.This role offers regular overtime, career progression, and benefits including annual bonus, private healthcare, life insurance, and a good company culture.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.