LyondellBasell employees working as Process Engineer III 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 Process Engineer III professionals at LyondellBasell worldwide.
The salary trajectory of a Process Engineer III ranges between locations and employers. The salary starts at $117,827 per year (estimate) and goes up to $237,989 per year (estimate) for the highest level of seniority.
The estimated average salary for a Process Engineer III at LyondellBasell is $154,263 per year or $74 per hour, but some professionals have reported earning up to roughly $217,738 per year (90th percentile). The typical pay range is between $130,244 (25th percentile) and $185,269 (75th percentile) annually. This is based on 7 salaries submitted by LyondellBasell Process Engineer III professionals on Glassdoor, as of Jul 2026.
Process Engineer III professionals typically earn between $63 and $89 per hour.
Process Engineer III professionals typically earn between $10,854 and $15,439 monthly.