Biogen employees working as Senior Associate II in US have attributed a compensation and benefits rating of 4 out of 5 stars, based on 1 ratings. This is in line with the average of Senior Associate II professionals at Biogen worldwide.
The salary trajectory of a Senior Associate II ranges between locations and employers. The salary starts at $72,699 per year (estimate) and goes up to $458,369 per year (estimate) for the highest level of seniority.
The estimated average salary for a Senior Associate II at Biogen is $113,583 per year or $55 per hour, but some professionals have reported earning up to roughly $175,236 per year (90th percentile). The typical pay range is between $91,094 (25th percentile) and $143,099 (75th percentile) annually. This is based on 7 salaries submitted by Biogen Senior Associate II professionals on Glassdoor, as of Jul 2026.
Senior Associate II professionals typically earn between $44 and $69 per hour.
Senior Associate II professionals typically earn between $7,591 and $11,925 monthly.
Associate II with an estimated total pay of $80K - $106K/yr
Associate III with an estimated total pay of $84K - $112K/yr