The estimated average salary for a Computer Operations Specialist at O2 is £45,486 per year or £22 per hour, but some professionals have reported earning up to roughly £98,817 per year (90th percentile). The typical pay range is between £32,176 (25th percentile) and £66,778 (75th percentile) annually. This is based on 11 salaries submitted by O2 Computer Operations Specialist professionals on Glassdoor, as of Jul 2026.