As of August 01, 2026, the average annual salary for Senior Environmental Scientist in the US is $109,249, equivalent to $53 per hour, $2,101 weekly, or $9,104 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Senior Environmental Scientist in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Senior Environmental Scientist in the US vary widely, spanning from $93,619 to $131,917. Most professionals fall between the 25th percentile ($101,068) and 75th percentile ($121,114), while top earners (90th percentile) make $131,917 per year. This $20,046 pay gap underscores opportunities for salary growth through certifications, specialized skills like Consulting or AutoCAD, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, District of Columbia Senior Environmental Scientist often earn 10.7% above national averages due to demand from Fortune 55 companies and industry startups. Professionals are advised to focus on high-growth sectors like to offset market challenges.
