Fortinet employees working as Principal Software Development Engineer in US have attributed a compensation and benefits rating of 2.1 out of 5 stars, based on 5 ratings. This is 51% lower than the average of Principal Software Development Engineer professionals at Fortinet worldwide.
The estimated average salary for a Principal Software Development Engineer at Fortinet is $246,875 per year or $119 per hour, but some professionals have reported earning up to roughly $372,097 per year (90th percentile). The typical pay range is between $201,608 (25th percentile) and $307,473 (75th percentile) annually. This is based on 51 salaries submitted by Fortinet Principal Software Development Engineer professionals on Glassdoor, as of Jun 2026.
Principal Software Development Engineer professionals typically earn between $97 and $148 per hour.
Principal Software Development Engineer professionals typically earn between $16,801 and $25,623 monthly.