The estimated average salary for a System Integration/ Test Engineer at Lockheed Martin is $78,806 per year or $38 per hour, but some professionals have reported earning up to roughly $108,202 per year (90th percentile). The typical pay range is between $66,692 (25th percentile) and $93,122 (75th percentile) annually. This is based on 3 salaries submitted by Lockheed Martin System Integration/ Test Engineer professionals on Glassdoor, as of Jun 2026.