Fortinet employees working as Senior Principal Software Development Engineer in US have attributed a compensation and benefits rating of 2.1 out of 5 stars, based on 4 ratings. This is 51% lower than the average of Senior Principal Software Development Engineer professionals at Fortinet worldwide.
The estimated average salary for a Senior Principal Software Development Engineer at Fortinet is $266,155 per year or $128 per hour, but some professionals have reported earning up to roughly $399,996 per year (90th percentile). The typical pay range is between $217,883 (25th percentile) and $330,999 (75th percentile) annually. This is based on 9 salaries submitted by Fortinet Senior Principal Software Development Engineer professionals on Glassdoor, as of Jun 2026.
Senior Principal Software Development Engineer professionals typically earn between $105 and $159 per hour.
Senior Principal Software Development Engineer professionals typically earn between $18,157 and $27,583 monthly.