The salary trajectory of a Completion Engineer ranges between locations and employers. The salary starts at $106,590 per year (estimate) and goes up to $143,040 per year (estimate) for the highest level of seniority.
The estimated average salary for a Completion Engineer at ConocoPhillips is $110,751 per year or $53 per hour, but some professionals have reported earning up to roughly $171,509 per year (90th percentile). The typical pay range is between $88,661 (25th percentile) and $139,822 (75th percentile) annually. This is based on 10 salaries submitted by ConocoPhillips Completion Engineer professionals on Glassdoor, as of Jul 2026.
Completion Engineer professionals typically earn between $43 and $67 per hour.
Completion Engineer professionals typically earn between $7,388 and $11,652 monthly.