The salary trajectory of a Service Engineer ranges between locations and employers. The salary starts at £30,797 per year (estimate) and goes up to £100,663 per year (estimate) for the highest level of seniority.
The estimated average salary for a Service Engineer at Johnson Controls is £120,918 per year or £58 per hour, but some professionals have reported earning up to roughly £186,828 per year (90th percentile). The typical pay range is between £97,135 (25th percentile) and £152,566 (75th percentile) annually. This is based on 12 salaries submitted by Johnson Controls Service Engineer professionals on Glassdoor, as of Jul 2026.