The salary trajectory of a Process Engineer III ranges between locations and employers. The salary starts at $117,694 per year (estimate) and goes up to $237,846 per year (estimate) for the highest level of seniority.
The estimated average salary for a Process Engineer III at Biogen is $153,963 per year or $74 per hour, but some professionals have reported earning up to roughly $217,362 per year (90th percentile). The typical pay range is between $129,973 (25th percentile) and $184,931 (75th percentile) annually. This is based on 6 salaries submitted by Biogen Process Engineer III professionals on Glassdoor, as of Jul 2026.
Process Engineer III professionals typically earn between $62 and $89 per hour.
Process Engineer III professionals typically earn between $10,831 and $15,411 monthly.