The estimated average salary for a Process Development Engineer Manager at Texas Instruments is £49,353 per year or £24 per hour, but some professionals have reported earning up to roughly £75,876 per year (90th percentile). The typical pay range is between £39,352 (25th percentile) and £61,896 (75th percentile) annually. This is based on 1 salaries submitted by Texas Instruments Process Development Engineer Manager professionals on Glassdoor, as of Jun 2026.