The salary trajectory of a a Process Engineer II ranges between locations and employers. The salary starts at £35,842 per year (estimate) and goes up to £65,023 per year (estimate) for the highest level of seniority.
The estimated average salary for a Process Engineer II at STMicroelectronics is £35,842 per year or £17 per hour, but some professionals have reported earning up to roughly £47,626 per year (90th percentile). The typical pay range is between £30,860 (25th percentile) and £41,629 (75th percentile) annually. This is based on 1 salaries submitted by STMicroelectronics Process Engineer II professionals on Glassdoor, as of Jul 2026.