Job Description

Position Title: Network Infrastructure Lead
Domain: Network (Firewalls, Proxies, NAC, DNS, WAN/LAN)

Role Summary:

Designs and supports enterprise network infrastructure and security solutions to ensure secure and reliable connectivity.

Primary: Network Architecture (Firewalls, Proxies, NAC, DNS, WAN/LAN)

Secondary: TCP/IP, DNS, DHCP, VPN Protocol Expertise

Tertiary: Router/Switch/Firewall Configuration (Cisco)

Key Responsibilities:

• Design and implement network architecture (firewalls, proxies, NAC, DNS, WAN/LAN).

• Monitor network performance and troubleshoot issues.

• Configure and maintain network security appliances.

• Collaborate with vendors and internal teams for network upgrades.

• Ensure compliance with security policies and standards.

Required Skills/Qualifications:

• Strong knowledge of TCP/IP, DNS, DHCP, VPN.

• Experience with routers, switches, firewalls.

• Cisco/Network certifications (CCNA/CCNP) preferred.

• Familiarity with network monitoring tools and protocols.

• Excellent communication skills in both Japanese and English.

• Strong stakeholder management skills in both Japanese cultural contexts and global environments.

Typical Experience: 15+ years in network engineering or administration
Language Requirements: Bilingual – fluent in English and Japanese

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