The estimated average salary for a Sr. Electrical Design Engineer at FormFactor is $65,068 per year or $31 per hour, but some professionals have reported earning up to roughly $67,862 per year (90th percentile). The typical pay range is between $62,273 (25th percentile) and $67,862 (75th percentile) annually. This is based on 6 salaries submitted by FormFactor Sr. Electrical Design Engineer professionals on Glassdoor, as of Jun 2026.