The salary trajectory of a Senior Process Engineer ranges between locations and employers. The salary starts at $117,709 per year (estimate) and goes up to $237,863 per year (estimate) for the highest level of seniority.
The estimated average salary for a Senior Process Engineer at Biogen is $190,970 per year or $92 per hour, but some professionals have reported earning up to roughly $284,046 per year (90th percentile). The typical pay range is between $157,003 (25th percentile) and $236,094 (75th percentile) annually. This is based on 5 salaries submitted by Biogen Senior Process Engineer professionals on Glassdoor, as of Jul 2026.
Senior Process Engineer professionals typically earn between $75 and $114 per hour.
Senior Process Engineer professionals typically earn between $13,084 and $19,675 monthly.