Biogen employees working as Associate Scientist II in US have attributed a compensation and benefits rating of 4.1 out of 5 stars, based on 66 ratings. This is in line with the average of Associate Scientist II professionals at Biogen worldwide.
The salary trajectory of a Associate Scientist II ranges between locations and employers. The salary starts at $176,334 per year (estimate) and goes up to $377,204 per year (estimate) for the highest level of seniority.
The estimated average salary for a Associate Scientist II at Biogen is $116,970 per year or $56 per hour, but some professionals have reported earning up to roughly $175,795 per year (90th percentile). The typical pay range is between $95,195 (25th percentile) and $145,310 (75th percentile) annually. This is based on 63 salaries submitted by Biogen Associate Scientist II professionals on Glassdoor, as of Jul 2026.
Associate Scientist II professionals typically earn between $46 and $70 per hour.
Associate Scientist II professionals typically earn between $7,933 and $12,109 monthly.