The salary trajectory of a a Senior Machine Learning Engineer ranges between locations and employers. The salary starts at £62,208 per year (estimate) and goes up to £98,926 per year (estimate) for the highest level of seniority.
The estimated average salary for a Senior Machine Learning Engineer at FactSet is £97,739 per year or £47 per hour, but some professionals have reported earning up to roughly £185,672 per year (90th percentile). The typical pay range is between £77,047 (25th percentile) and £131,558 (75th percentile) annually. This is based on 5 salaries submitted by FactSet Senior Machine Learning Engineer professionals on Glassdoor, as of Jun 2026.