The salary trajectory of a Process Engineer ranges between locations and employers. The salary starts at $117,870 per year (estimate) and goes up to $238,034 per year (estimate) for the highest level of seniority.
The estimated average salary for a Process Engineer at Hexion is $127,176 per year or $61 per hour, but some professionals have reported earning up to roughly $199,603 per year (90th percentile). The typical pay range is between $101,196 (25th percentile) and $161,789 (75th percentile) annually. This is based on 7 salaries submitted by Hexion Process Engineer professionals on Glassdoor, as of Jul 2026.
Process Engineer professionals typically earn between $49 and $78 per hour.
Process Engineer professionals typically earn between $8,433 and $13,482 monthly.
