Haken Senior Network Engineer - Cisco & SD-WAN | Tokyo

Join a prestigious global consulting and professional services firm in Tokyo as a Senior Network Engineer, supporting large-scale enterprise network modernisation and infrastructure transformation projects across the Asia-Pacific region.

In this contract position, you will play a key role in data centre network migrations, SD-WAN deployments and enterprise network architecture upgrades for a multinational organisation.

You will design, deploy, maintain and troubleshoot complex network environments using Cisco, Palo Alto Networks and Arista technologies, while managing routing protocols, next-generation firewalls and secure connectivity between regional offices.

Working closely with global network teams, telecommunications providers and external engineering partners, you will help ensure business continuity and minimise service disruption during critical infrastructure upgrades.

This opportunity is ideal for an experienced Network Engineer, Network Infrastructure Engineer or Network Operations Specialist with strong technical expertise and fluent Japanese and English communication skills who wants to work on high-profile international projects.

Key Responsibilities

• Design, implement and maintain enterprise network infrastructure across data centres and Asia-Pacific office locations.
• Lead technical activities supporting data centre network migrations and SD-WAN rollouts, ensuring reliable connectivity and effective deployment.
• Configure, deploy and troubleshoot network equipment and technologies from Cisco, Palo Alto Networks and Arista.
• Manage and optimise network routing protocols, including BGP and OSPF, across complex enterprise environments.
• Configure and maintain next-generation firewalls, VPN connections and secure network access between regional sites.
• Collaborate with global network engineering teams to plan infrastructure upgrades and minimise downtime during implementation.
• Diagnose complex network performance, connectivity and security issues using structured root-cause analysis and troubleshooting.
• Coordinate with international telecommunications circuit providers, network vendors and external engineers to resolve technical issues and support project delivery.
• Support network migration planning, technical documentation, configuration reviews and post-deployment validation.
• Work with regional and global stakeholders to align network infrastructure changes with enterprise architecture standards and business continuity requirements.

Required Skills and Qualifications

Experience:

• 4+ years of professional experience in enterprise network deployment, operations and maintenance.
• CCNA or CCNP certification in Cisco networking.
• Strong hands-on experience designing, deploying and troubleshooting enterprise network infrastructure.
• Practical experience working with Cisco, Palo Alto Networks and Arista networking technologies.
• Hands-on experience implementing or supporting SD-WAN solutions in enterprise environments.
• Strong experience with Palo Alto Next-Generation Firewalls (NGFW), including configuration and troubleshooting.
• Solid knowledge of BGP, OSPF, VPN connectivity and enterprise routing and firewall management.
• Experience supporting network infrastructure upgrades, migrations or complex troubleshooting activities.

Soft Skills:

• Excellent bilingual communication and negotiation skills for working with international circuit providers, network vendors and engineering partners.
• Strong analytical thinking and a systematic approach to root-cause analysis and complex network troubleshooting.
• Ability to build consensus and coordinate stakeholders within a matrixed multinational organisation.
• Strong collaboration skills when working with regional and global infrastructure teams.
• Calm, organised approach to managing technical issues during critical network changes and infrastructure upgrades.
• High level of accountability, attention to detail and commitment to reliable project delivery.

Language Requirements:

• Japanese: Fluent level for communication with local stakeholders, telecommunications providers and vendor engineers.
• English: Fluent level for technical discussions, negotiation and collaboration with international network teams.

Preferred Skills & Qualifications

• CCIE (Cisco Certified Internetwork Expert) certification.
• Experience leading or supporting large-scale data centre network migration projects.
• Exposure to multi-country SD-WAN deployments across Asia-Pacific or other international regions.
• Experience supporting enterprise networks in a global consulting or professional services environment.
• Familiarity with complex network architectures involving Cisco, Palo Alto Networks and Arista.
• Experience coordinating infrastructure changes across globally distributed teams while maintaining high service availability.

About the Company

Our client is a prestigious multinational consulting and professional services organisation supporting major Fortune 500 digital transformation initiatives across Asia.

The company delivers sophisticated technology and infrastructure solutions to large enterprise clients, helping organisations modernise their systems and maintain reliable global connectivity.

With an international network of technology professionals and access to advanced infrastructure environments, the organisation offers opportunities to contribute to high-profile enterprise networking and digital transformation projects.

Its reputation for technical excellence and large-scale project delivery makes this an attractive environment for experienced network engineers seeking international exposure and valuable enterprise infrastructure experience.

Why You'll Love Working Here

• Earn a competitive contract rate of ¥4,000-¥5,000 per hour.
• Work on a high-profile enterprise network migration project that adds significant value to your professional portfolio.
• Gain hands-on exposure to Cisco, Palo Alto Networks, Arista, SD-WAN and advanced enterprise network architectures.
• Contribute to data centre migration and network modernisation initiatives across Asia-Pacific offices.
• Collaborate with experienced global network engineering teams, telecommunications providers and technical vendors.
• Build your professional reputation through experience with a prestigious multinational consulting organisation.
• Benefit from opportunities for contract renewal or conversion, with a strong reported track record for high-performing contractors.
• Work from conveniently located offices in central Tokyo.
• Access state-of-the-art technology laboratory facilities and enterprise networking environments.
• Develop valuable expertise in international network infrastructure, routing, firewall management and business-critical migration projects.

Don't Miss Out - Apply Now!