The salary trajectory of a Integration Engineer ranges between locations and employers. The salary starts at £45,266 per year (estimate) and goes up to £45,266 per year (estimate) for the highest level of seniority.
The estimated average salary for a Integration Engineer at BAE Systems is £134,940 per year or £65 per hour, but some professionals have reported earning up to roughly £215,053 per year (90th percentile). The typical pay range is between £106,314 (25th percentile) and £172,988 (75th percentile) annually. This is based on 34 salaries submitted by BAE Systems Integration Engineer professionals on Glassdoor, as of Jul 2026.