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 $267,165 per year or $128 per hour, but some professionals have reported earning up to roughly $401,279 per year (90th percentile). The typical pay range is between $218,774 (25th percentile) and $332,146 (75th percentile) annually. This is based on 9 salaries submitted by Fortinet Senior Principal Software Development Engineer professionals on Glassdoor, as of Jul 2026.
Senior Principal Software Development Engineer professionals typically earn between $105 and $160 per hour.
Senior Principal Software Development Engineer professionals typically earn between $18,231 and $27,679 monthly.