The salary trajectory of a O2 Engineering Intern ranges between locations and employers. The salary starts at $54,242 per year (estimate) and goes up to $186,485 per year (estimate) for the highest level of seniority.
The estimated average salary for a O2 Engineering Intern at 3M is $73,405 per year or $35 per hour, but some professionals have reported earning up to roughly $128,864 per year (90th percentile). The typical pay range is between $55,102 (25th percentile) and $99,279 (75th percentile) annually. This is based on 2 salaries submitted by 3M O2 Engineering Intern professionals on Glassdoor, as of Jun 2026.
O2 Engineering Intern professionals typically earn between $26 and $48 per hour.
O2 Engineering Intern professionals typically earn between $4,592 and $8,273 monthly.