The salary trajectory of a an IT Capacity Manager ranges between locations and employers. The salary starts at £48,979 per year (estimate) and goes up to £108,910 per year (estimate) for the highest level of seniority.
The estimated average salary for a IT Capacity Manager at O2 is £50,572 per year or £24 per hour, but some professionals have reported earning up to roughly £72,200 per year (90th percentile). The typical pay range is between £41,927 (25th percentile) and £60,999 (75th percentile) annually. This is based on 1 salaries submitted by O2 IT Capacity Manager professionals on Glassdoor, as of Jul 2026.