The salary trajectory of a Field Service Engineer ranges between locations and employers. The salary starts at £30,797 per year (estimate) and goes up to £100,665 per year (estimate) for the highest level of seniority.
The estimated average salary for a Field Service Engineer at Lightsource BP is £104,341 per year or £50 per hour, but some professionals have reported earning up to roughly £146,728 per year (90th percentile). The typical pay range is between £88,288 (25th percentile) and £125,060 (75th percentile) annually. This is based on 8 salaries submitted by Lightsource BP Field Service Engineer professionals on Glassdoor, as of Jul 2026.