System Administrator
しすてむあどみにすとれーたー
Industry & Occupation
Classification
Summary
A technical role that operates, maintains, and manages corporate servers, networks, and other IT infrastructure, handling incident response, security measures, and performance monitoring.
Description
System Administrators design and build information system foundations (servers, networks, storage, etc.) for companies and organizations, and handle daily operations and maintenance. Main duties include investigating and restoring causes of failures, security measures, backup operations, performance monitoring, and automation implementation. They also develop operational procedures, create manuals, respond to user inquiries, and may be required to provide 24-hour monitoring. With the spread of cloud services and virtualization technologies, knowledge of IaC tools and container operations is also required.
Future Outlook
With the spread of cloud services and automation tools, there is a shift from traditional manual operations to IaC and DevOps/SRE. In addition to foundational operations skills, cloud-native and automation technologies are required, and market value remains stably high.
Personality Traits
Cautious / Patient / Strong sense of responsibility / Team-oriented
Work Style
Career Path
Junior System Administrator → System Administrator → Senior System Administrator → Infrastructure Architect → IT Manager → CIO/CISO
Required Skills
Backup and Restore / Monitoring Tools (Advanced) / Network Fundamentals / Security Measures (Access Control) / Server Construction and Operation / Virtualization Technology
Recommended Skills
Cloud Service Operations / Container Technology / English Document Reading / Infrastructure as Code / Log Analysis
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Analytical & Logical Thinking | Logical thinking is essential for troubleshooting and configuration considerations. |
| Attention to Detail & Accuracy | Because small configuration errors can directly lead to system failures. |
| Problem Solving | Because rapid identification of causes and development of countermeasures are required in incident response. |
| Stress Tolerance | Because it is necessary to withstand high pressure from emergency responses and late-night duties. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Physical Stamina & Endurance | Because it is mainly desk work with relatively low physical demands. |
Related Qualifications
- Applied Information Technology Engineer Examination
- Cisco CCNA
- Fundamental Information Technology Engineer Examination
- LPIC-1
Aliases
- IT Administrator
- Server Administrator
- SysAdmin
Related Jobs
- Cloud Engineer
- Database Engineer
- Network Engineer
- Security Engineer