GAF employees working as Process Engineer II in US have attributed a compensation and benefits rating of 3.6 out of 5 stars, based on 8 ratings. This is in line with the average of Process Engineer II professionals at GAF worldwide.
The salary trajectory of a Process Engineer II ranges between locations and employers. The salary starts at $117,605 per year (estimate) and goes up to $237,746 per year (estimate) for the highest level of seniority.
The estimated average salary for a Process Engineer II at GAF is $128,686 per year or $62 per hour, but some professionals have reported earning up to roughly $177,500 per year (90th percentile). The typical pay range is between $109,982 (25th percentile) and $152,616 (75th percentile) annually. This is based on 6 salaries submitted by GAF Process Engineer II professionals on Glassdoor, as of Jul 2026.
Process Engineer II professionals typically earn between $53 and $73 per hour.
Process Engineer II professionals typically earn between $9,165 and $12,718 monthly.