Network Administrator
ねっとわーくかんりしゃ
Industry & Occupation
Classification
Summary
A technical position that designs, builds, operates, and maintains network infrastructure such as LAN/WAN in companies and organizations to maintain a stable communication environment.
Description
Network administrators use devices such as routers, switches, and firewalls to handle everything from network infrastructure design and construction to operations, monitoring, and troubleshooting. Daily tasks include performance analysis and troubleshooting using monitoring tools, verification of configuration changes, and user support. Additionally, they are required to acquire and apply the latest technologies, such as firmware updates, security patch applications, VPN and cloud network management.
Future Outlook
With the promotion of DX, the importance of stable communication infrastructure is increasing, and demand is growing for personnel with integrated network management skills including cloud and security.
Personality Traits
Cautious and meticulous / Good at logical thinking / Patient
Work Style
Flex / On-call / On-site work / Remote / Shift
Career Path
Junior Network Administrator → Senior Network Administrator → Network Architect → Infrastructure Team Leader → IT Manager
Required Skills
Network Device Configuration / Network Monitoring Tools / Network Protocols / Troubleshooting / VPN and Firewall Construction
Recommended Skills
Automation Tools / Cloud Network Construction / English Document Reading / IDS/IPS Operations
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Analytical & Logical Thinking | Because the ability to logically analyze network configurations and failure causes is necessary. |
| Attention to Detail & Accuracy | Because small configuration mistakes can lead to large-scale failures. |
| Learning Agility & Knowledge Acquisition | Because it is necessary to continuously learn new network technologies and security trends. |
| Planning & Organization | Because high planning ability is required for the design and expansion planning of large-scale networks. |
| Problem Solving | Because rapid identification of causes and recovery during failures are required. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Physical Stamina & Endurance | Mainly desk work with low physical burden. |
Related Qualifications
- Cisco Certified Network Associate (CCNA)
- Cisco Certified Network Professional (CCNP)
- CompTIA Network+
- Fundamental Information Technology Engineer Examination
- LPIC Level 1
Aliases
- NW Administrator
- Network Engineer
Related Jobs
- Infrastructure Engineer
- Network Engineer
- Security Engineer
- Server Administrator
- System Administrator