NOC 21100 — Physicists and astronomers in Canada
Duties, TEER level, employment requirements and example job titles for NOC 21100 — from the NOC 2021 classification.
What NOC 21100 means in plain English
Physicists and astronomers conduct research to understand the nature of matter and energy. In NOC 2021, the first digit of the code (2) places this unit group in the broad category Natural and applied sciences and related occupations, and the second digit (1) is its TEER level.
What TEER 1 means
TEER stands for Training, Education, Experience and Responsibilities. TEER 1 usually means:
- Completion of a university degree (bachelor's, master's or doctorate), or
- Previous experience and expertise in subject-matter knowledge from a related TEER 2 occupation (when applicable).
Express Entry: Work experience in TEER 0, 1, 2 and 3 occupations is the 'skilled' experience that the Federal Skilled Worker Program and the Canadian Experience Class under Express Entry look for. Program rules, minimum hours and category-based draws change, so confirm current requirements on IRCC's website before you apply. See all TEER 1 occupations.
Main duties
- Conduct research
- Design experiments
- Analyze experimental data
- Publish research findings
Employment requirements
- Doctoral degree in physics or astronomy
- Postdoctoral research experience
Example job titles under NOC 21100
If your job title is one of these, NOC 21100 is a likely match — confirm it by comparing your actual duties with the list above, since NOC is matched on duties, not titles.
- Astronomer
- Health physicist
- Nuclear physicist
- Research physicist
How to use NOC 21100 on your resume
Recruiters and applicant tracking systems search for Canadian job titles and duty keywords. Use the example title that matches your work, mirror the duty wording above in your bullets, and check your draft with the free ATS checker. If you studied outside Canada, read our Educational Credential Assessment (ECA) guide.
Related occupations
Other natural and applied sciences and related occupations we cover:
- NOC 20010 — Engineering managers (TEER 0)
- NOC 20012 — Computer and Information Systems Managers (TEER 0)
- NOC 21210 — Mathematicians, statisticians and actuaries (TEER 1)
- NOC 21211 — Data scientists (TEER 1)
- NOC 21220 — Cybersecurity specialists (TEER 1)
- NOC 21221 — Business Systems Analysts (TEER 1)
- NOC 21222 — Information systems specialists (TEER 1)
- NOC 21223 — Data Analysts (TEER 1)
Sources: National Occupational Classification (NOC) 2021, Statistics Canada / ESDC (duties and requirements summarized). Always confirm your code on the official NOC site before using it on an application.