T-Mobile employees working as Systems Design Engineer in US have attributed a compensation and benefits rating of 4.1 out of 5 stars, based on 9 ratings. This is 5% higher than the average of Systems Design Engineer professionals at T-Mobile worldwide.
The salary trajectory of a Systems Design Engineer ranges between locations and employers. The salary starts at $151,848 per year (estimate) and goes up to $321,510 per year (estimate) for the highest level of seniority.
The estimated average salary for a Systems Design Engineer at T-Mobile is $141,435 per year or $68 per hour, but some professionals have reported earning up to roughly $215,117 per year (90th percentile). The typical pay range is between $114,407 (25th percentile) and $176,859 (75th percentile) annually. This is based on 19 salaries submitted by T-Mobile Systems Design Engineer professionals on Glassdoor, as of Jul 2026.
Systems Design Engineer professionals typically earn between $55 and $85 per hour.
Systems Design Engineer professionals typically earn between $9,534 and $14,738 monthly.