EngineeringOfficial Payroll Survey · 99/1006–10 years
Senior Environmental Engineer Salary in Seattle
2026 · Senior-level professionals in the top quarter of the market.
$156,100/yr
Typical range: $177,584 – $213,118
P75 · BLS OEWS employer payroll data
Environmental Engineer salary by experience level in Seattle
Environmental Engineer Salary Progression in Seattle
From entry-level through staff — based on BLS OEWS percentile data
| Experience Level | Years | Percentile | Annual Salary | Monthly | vs Entry |
|---|---|---|---|---|---|
| Entry | 0 yrs | 0 yrs | $101,552 | $8,463 | — |
| Junior | 2 yrs | 2 yrs | $123,313 | $10,276 | +21% |
| Mid-Level | 4 yrs | 4 yrs | $137,820 | $11,485 | +36% |
| SeniorThis page | 6 yrs | 6 yrs | $156,100 | $13,008 | +54% |
| Staff | 10 yrs | 10 yrs | $200,202 | $16,684 | +97% |
| Principal | 14 yrs | 14 yrs | $235,020 | $19,585 | +131% |
| Distinguished | 18 yrs | 18 yrs | $243,724 | $20,310 | +140% |
Current Salary
$156,100
Senior · 6–10 years
Hourly: $75/hr
Next Level Target
$200,202
Staff · 10
+$44Kpotential uplift
Career Opportunity
34/100
High Risk
+6% demand · Moderate AI risk
Frequently Asked Questions
What is the senior Environmental Engineer salary in Seattle, WA?
Senior Environmental Engineers in Seattle, WA earn approximately $156K per year (2026). This corresponds to the P75 range of BLS OEWS employer payroll data.
How much does a senior Environmental Engineer make per hour in Seattle, WA?
Based on $156K annually, the hourly rate is approximately $75/hr (2,080-hour work year).
How do I get from senior to senior Environmental Engineer in Seattle, WA?
The typical progression takes 2–4 years with consistent skill development, project leadership, and strategic job moves. A senior Environmental Engineer in Seattle, WA earns $178K–$213K/yr.