Fluor employees working as Principal Process Engineer in US have attributed a compensation and benefits rating of 4 out of 5 stars, based on 5 ratings. This is in line with the average of Principal Process Engineer professionals at Fluor worldwide.
The salary trajectory of a Principal Process Engineer ranges between locations and employers. The salary starts at $128,917 per year (estimate) and goes up to $237,929 per year (estimate) for the highest level of seniority.
The estimated average salary for a Principal Process Engineer at Fluor is $215,563 per year or $104 per hour, but some professionals have reported earning up to roughly $328,398 per year (90th percentile). The typical pay range is between $174,864 (25th percentile) and $270,022 (75th percentile) annually. This is based on 8 salaries submitted by Fluor Principal Process Engineer professionals on Glassdoor, as of Jul 2026.
Principal Process Engineer professionals typically earn between $84 and $130 per hour.
Principal Process Engineer professionals typically earn between $14,572 and $22,502 monthly.