[Network Engineer] Leading Fintech Company

• Design, build, and operate network systems in both on-premises and cloud environments
• Configure and tune network devices such as firewalls, switches, and routers
• Implement and maintain network monitoring tools and respond to alerts
• Define requirements, design, and negotiate with vendors for new projects or infrastructure replacements

Must-Have Skills/Experience

• 3+ years of experience as a network engineer in design, construction, and operation
• Experience configuring and managing major network devices (e.g., Cisco, Juniper)
• Basic understanding of network protocols (TCP/IP, DNS, HTTP, HTTPS)
• Native-level Japanese communication skills (including internal and external coordination)

Preferred Skills/Experience

• Network design and operation experience in cloud environments such as AWS, Azure, or GCP
• Experience with VPNs, load balancers, WAFs
• Experience managing large-scale or mission-critical network systems
• Infrastructure experience in financial systems or cryptocurrency sectors
• Business-level English communication skills (for collaboration with overseas vendors and hardware manufacturers)