A leading global financial services and insurance company is seeking an experienced Network Architect to lead mission-critical network deployment projects in Tokyo.
This role offers the opportunity to take full ownership of complex infrastructure initiatives, from high-level network design (HLD/LLD) through hardware implementation, migration planning, testing, and operational handover. You will work in a structured enterprise environment using industry-leading technologies such as Cisco, Arista, SD-WAN, and enterprise monitoring tools.
This is an ideal opportunity for a senior network professional who wants to combine hands-on technical delivery with high-impact infrastructure transformation projects in Japan's financial and insurance sector.
Key Responsibilities
- Create detailed network design documentation including HLD, LLD, topology diagrams, and rack documentation
- Lead hands-on configuration and installation of routers, switches, VLANs, and security policies across Cisco and Arista environments
- Execute structured network rollout plans including cutover procedures and complex network migrations
- Conduct connectivity, performance, and security testing to ensure stable post-deployment operations
- Troubleshoot advanced network issues using packet capture tools such as Wireshark and enterprise monitoring systems
- Produce final "as-built" documentation and ensure complete handover to long-term operations teams
- Facilitate knowledge transfer sessions and ensure operational readiness after deployment completion
Required Skills and Qualifications
Experience
- 10+ years of hands-on network engineering experience in large-scale enterprise environments
- Strong expertise in Cisco and Arista CLI configuration, including routers, switches, and firewalls
- Deep knowledge of network protocols including TCP/IP, BGP, and OSPF
- Experience with SD-WAN infrastructure, cabling standards, and rack management practices
- Proven ability using monitoring tools and packet analysis methods (Wireshark)
Soft Skills
- Strong ability to train, mentor, and support operations teams during project handovers
- High attention to detail in documentation, migration planning, and structured execution
- Strong collaboration skills working across cross-functional technical teams
- Comfortable working in environments using ITSM/ticketing systems such as ServiceNow
Language Requirements
- Japanese: Fluent
- English: Business Level (Intermediate to Business)
Preferred Skills & Qualifications
About the Company
Our client is a well-established leader in the global finance and insurance sector, known for its advanced infrastructure environment and strong investment in network technology. As the company expands its physical and digital footprint, it continues to strengthen its enterprise IT capabilities across Japan.
This is a high-profile opportunity to work within a technically elite environment where network architecture and implementation excellence are highly valued.
Why You'll Love Working Here
- Competitive compensation package (¥14M - ¥17M) for senior-level network professionals in Japan
- Full ownership of enterprise network projects from design to deployment and operational handover
- Work with advanced technologies including Cisco, Arista, SD-WAN, and enterprise monitoring tools
- Structured project delivery environment with clear migration and cutover planning
- Flexible working environment with remote work options and casual dress code
Don't Miss Out - Apply Now!
