If you are a foreign researcher who is hiring natural science-based research and analysis personnel or preparing for employment in Korea,E-7 (Specified Activities) – Natural Science Expert (2112)You must clearly understand the job requirements.
This content is based on the standards of the Ministry of Justice’s “Alien Residence Guide Manual” (December 2025).

■ Job description
A person who conducts research on theories and applications in the field of natural science and works at a natural science-related business, etc.
■ Examples of occupations that can be introduced
Pure Mathematics / Applied Mathematics / Geometry
Demography / Applied Statistics / Mathematical Statistics
Marine Science / Geodesy / Geophysics
Seismology/volcanology experts, etc.
in other words,Research personnel based on physics, mathematics, statistics, and earth scienceThis applies.
| division | detail | check |
|---|---|---|
| Occupation code | 2112 (Natural Science Expert) | ☐ |
| Status of stay | E-7-1 (Specialized activity specialist) | ☐ |
| Education Requirements | Apply general criteria (usually bachelor's degree or higher + major matching) | ☐ |
| Experience Requirements | Apply general standards | ☐ |
| employment recommendation letter | For small and medium-sized businesses, recommendation by the Minister of SMEs and Startups (SME) is required. | ☐ |
| Employer Requirements | Meets national employment protection standards | ☐ |
| wage requirements | Meets E-7 general salary standards | ☐ |
※ In the manual, it is specified as “Qualification requirements: Apply general standards such as visa issuance and residence management.”
For Natural Science Specialists (2112):
When working at a small or medium-sized business
→ Requires recommendation from the Minister of SMEs and Startups (Small and Medium Venture Business Corporation)
Large corporations or general companies apply E-7 general standards.
The procedure varies depending on the size of the company, so prior review is required.
① Conclusion of employment contract
→ ② Screening for job suitability (major/job matching)
→ ③ Secure employment recommendation (if applicable)
→ ④ Application for change of immigration E-7 status of stay
→ ⑤ Start working after permission
Integrated application form
passport
charge
employment contract
diploma
Career certificate (if applicable)
Business registration certificate
Employment recommendation letter (relevant company)
Alien registration card (if changed during stay)
If you work at:
Research institutes subject to the Specific Institution Promotion Act
Defense industry-related research institutes
National and public research institutions
If soE-3 (Research)Your qualifications may be more appropriate.
For industrial researchers affiliated with a company, E-7 (2112) is common.
Mismatch between major and job
When a statistical analysis job is misunderstood as “marketing research”
Corporate research center unregistered
Salary standards not met
For natural science research positions, writing a job description is very important.
E-7(2112) isProfessional visa for science and engineering-based research and analysis expertsno see.
It is different from a simple technical position, and screening for academic background and job suitability is key.
Judging the accurate job code and reviewing whether or not to recommend employment determines the approval rate.