The salary trajectory of a Process Engineer IV ranges between locations and employers. The salary starts at $117,911 per year (estimate) and goes up to $238,094 per year (estimate) for the highest level of seniority.
The estimated average salary for a Process Engineer IV at Worley is $161,867 per year or $78 per hour, but some professionals have reported earning up to roughly $231,575 per year (90th percentile). The typical pay range is between $135,560 (25th percentile) and $195,827 (75th percentile) annually. This is based on 7 salaries submitted by Worley Process Engineer IV professionals on Glassdoor, as of Jul 2026.
Process Engineer IV professionals typically earn between $65 and $94 per hour.
Process Engineer IV professionals typically earn between $11,297 and $16,319 monthly.