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No 73 Employment Registration date 2026.02.21

Computer Hardware Technician (2211) – E-7 (Specified Activities) Visa Guide

Semiconductors, servers, embedded systems, computer equipment, etc.Computer hardware research, design, and development personnelTo hireE-7 (Special Activities) – Computer Hardware Technician (2211)You must clearly understand the job requirements.

1️⃣ Job Overview (2211 Computer Hardware Technician)

■ Job description

of computer systems and related equipmentResearch, design, develop, and test hardware structuresand professional technicians who perform performance improvement and technical consultation.

✔ Circuit design
✔ PCB design
✔ System architecture design
✔ Processor/memory design
✔ Equipment testing and performance optimization

※ This does not apply to simple assembly or production workers.

2️⃣ Examples of jobs that can be introduced

  • Server/workstation HW design engineer

  • Embedded system HW developer

  • Semiconductor equipment interface design engineer

  • IoT device HW designer

  • Data center equipment design expert

3️⃣ Checklist of Key Permit Requirements

divisiondetailcheck
Occupation code2211 (Computer Hardware Technician)
Status of stayE-7-1 (Specialized activity specialist)
Education RequirementsApply general criteria (bachelor's degree or higher in related major)
Match majorRequired job relevance, such as electronics and computer engineering
Experience RequirementsApply general standards
employment contractessential
wage requirementsMeets E-7 salary standards
National employment protectionMeets company requirements and allowable employment standards

※ The qualification requirements in the manual are “applying general standards such as visa issuance and residence management.”

4️⃣ D-10 (Job Seeking) → E-7 (2211) change procedure

Change Process Schematic

① Conclusion of employment contract
→ ② Review whether the job falls under 2211
→ ③ Preparation of job description and organization chart
→ ④ Application for change of immigration status
→ ⑤ Start working after permission

Judging key points

  • Distinction from software jobs (2222/2223)

  • Is it a simple maintenance task?

  • Is the job focused on research, design, and development?

  • Direct connection between major and job

5️⃣ Distinction from SW developers (2222/2223)

divisionOccupation
System software development2222
Application software development2223
Hardware design/structure development2211

If you apply for a HW job and your actual work focuses on firmware and coding, there is a risk of being rejected.

6️⃣ Basic structure of submission documents (common to E-7)

  • Integrated application form

  • passport

  • Alien registration card (when changing country)

  • charge

  • employment contract

  • diploma

  • Career certificate

  • Business registration certificate

  • Materials related to company technology development (R&D proof materials recommended)

7️⃣ Practical approval risk

  • Simple equipment maintenance, not HW design

  • Confused with production line technicians

  • Lack of “design” expression in job description

  • Salary standards not met

  • Lack of company research and development performance

✔ Keywords that must be included in the job description:

  • Hardware architecture design

  • Circuit design and verification

  • System integration testing

  • Performance improvement research

E-7(2211) isProfessional technical personnel who conduct research, design, and development of computer and electronic equipment hardwareThis is the status of residence for.
It must be clearly distinguished from simple technical positions, and the key is to prove that it is an R&D-oriented position.

Accurate job code classification and job description design determine the approval rate.
 

 

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