The salary trajectory of a Principal Engineer ranges between locations and employers. The salary starts at $114,367 per year (estimate) and goes up to $378,587 per year (estimate) for the highest level of seniority.
The estimated average salary for a Principal Engineer at FormFactor is $243,319 per year or $117 per hour, but some professionals have reported earning up to roughly $388,994 per year (90th percentile). The typical pay range is between $192,082 (25th percentile) and $312,877 (75th percentile) annually. This is based on 12 salaries submitted by FormFactor Principal Engineer professionals on Glassdoor, as of Jul 2026.
Principal Engineer professionals typically earn between $92 and $150 per hour.
Principal Engineer professionals typically earn between $16,007 and $26,073 monthly.
Engineer with an estimated total pay of $122K - $172K/yr
Engineering with an estimated total pay of $131K - $211K/yr