LyondellBasell employees working as Process Engineering Co-Op in US have attributed a compensation and benefits rating of 4.9 out of 5 stars, based on 2 ratings. This is 2% lower than the average of Process Engineering Co-Op professionals at LyondellBasell worldwide.
The salary trajectory of a Process Engineering Co-Op ranges between locations and employers. The salary starts at $127,111 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 Engineering Co-Op at LyondellBasell is $139,249 per year or $67 per hour, but some professionals have reported earning up to roughly $247,849 per year (90th percentile). The typical pay range is between $104,436 (25th percentile) and $189,521 (75th percentile) annually. This is based on 9 salaries submitted by LyondellBasell Process Engineering Co-Op professionals on Glassdoor, as of Jul 2026.
Process Engineering Co-Op professionals typically earn between $50 and $91 per hour.
Process Engineering Co-Op professionals typically earn between $8,703 and $15,793 monthly.