GSK employees working as Project Engineer in US have attributed a compensation and benefits rating of 5 out of 5 stars, based on 3 ratings. This is 194% higher than the average of Project Engineer professionals at GSK worldwide.
The salary trajectory of a Project Engineer ranges between locations and employers. The salary starts at £28,087 per year (estimate) and goes up to £78,235 per year (estimate) for the highest level of seniority.
The estimated average salary for a Project Engineer at GSK is £107,218 per year or £52 per hour, but some professionals have reported earning up to roughly £169,846 per year (90th percentile). The typical pay range is between £84,687 (25th percentile) and £136,968 (75th percentile) annually. This is based on 15 salaries submitted by GSK Project Engineer professionals on Glassdoor, as of Jul 2026.