The estimated average salary for a Sr ServiceNow Developer/Implementation at Cognizant is MX$138,506 per year or MX$67 per hour, but some professionals have reported earning up to roughly MX$207,830 per year (90th percentile). The typical pay range is between MX$112,872 (25th percentile) and MX$171,933 (75th percentile) annually. This is based on 2 salaries submitted by Cognizant Sr ServiceNow Developer/Implementation professionals on Glassdoor, as of Jul 2026.