The salary trajectory of a Reliability Engineer ranges between locations and employers. The salary starts at £0 per year (estimate) and goes up to £0 per year (estimate) for the highest level of seniority.
The estimated average salary for a Reliability Engineer at GSK is £144,206 per year or £69 per hour, but some professionals have reported earning up to roughly £207,409 per year (90th percentile). The typical pay range is between £120,581 (25th percentile) and £174,992 (75th percentile) annually. This is based on 4 salaries submitted by GSK Reliability Engineer professionals on Glassdoor, as of Jul 2026.