The estimated average salary for a Project Leader/Process Engineer at TotalEnergies is £39,032 per year or £19 per hour, but some professionals have reported earning up to roughly £70,122 per year (90th percentile). The typical pay range is between £29,493 (25th percentile) and £52,524 (75th percentile) annually. This is based on 14 salaries submitted by TotalEnergies Project Leader/Process Engineer professionals on Glassdoor, as of Jul 2026.