National Occupational Classification (NOC) 2021 Version 1.0
- 2 - Natural and applied sciences and related occupations
- 22 - Technical occupations related to natural and applied sciences
- 222 - Technical occupations related to applied sciences (except engineering)
- 2222 - Technical occupations in computer and information systems
- 22220 - Computer network and web technicians
- 22221 - User support technicians
- 22222 - Information systems testing technicians
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