GAF employees working as Project Engineer II in US have attributed a compensation and benefits rating of 4.8 out of 5 stars, based on 2 ratings. This is in line with the average of Project Engineer II professionals at GAF worldwide.
The salary trajectory of a Project Engineer II ranges between locations and employers. The salary starts at $91,410 per year (estimate) and goes up to $223,708 per year (estimate) for the highest level of seniority.
The estimated average salary for a Project Engineer II at GAF is $116,946 per year or $56 per hour, but some professionals have reported earning up to roughly $164,280 per year (90th percentile). The typical pay range is between $98,715 (25th percentile) and $140,054 (75th percentile) annually. This is based on 6 salaries submitted by GAF Project Engineer II professionals on Glassdoor, as of Jun 2026.
Project Engineer II professionals typically earn between $47 and $67 per hour.
Project Engineer II professionals typically earn between $8,226 and $11,671 monthly.