Join a global technology leader as a Senior Network Engineer, responsible for designing, implementing, securing, and optimizing large-scale global network infrastructure supporting hundreds of millions of users worldwide.
In this role, you will lead network architecture initiatives, drive infrastructure modernization projects, evaluate emerging technologies, and provide technical leadership across multicultural engineering teams. You will play a critical role in ensuring the reliability, scalability, performance, and security of mission-critical global backbone networks.
This opportunity is ideal for professionals with expertise in Network Engineering, Network Architecture, CCIE, JNCIE, Enterprise Networking, Data Center Networks, Network Security, and Cloud Networking.
Key Responsibilities
- Design, plan, and deploy core network infrastructure and architecture standards.
- Lead network device lifecycle management and infrastructure modernization initiatives.
- Evaluate emerging networking technologies through Proof of Concept (PoC) testing.
- Define project scope, prepare cost estimates, and perform cost-benefit analyses.
- Lead network implementation and transformation projects across global environments.
- Investigate complex network incidents and perform detailed root cause analysis.
- Develop and implement solutions to improve network performance, availability, and security.
- Provide technical leadership, mentoring, and training to junior engineers.
- Act as the Network Subject Matter Expert (SME) across cross-functional teams.
- Participate in on-call support and emergency response activities.
Required Skills and Qualifications
Experience:
- Expert-level networking knowledge equivalent to CCIE or JNCIE certification.
- 10+ years of experience designing, implementing, and operating multi-vendor network environments.
- 5+ years of experience leading network projects and engineering teams.
- Extensive experience troubleshooting large-scale, high-traffic network infrastructures.
- Hands-on experience with network security technologies and firewalls, including Juniper SRX.
- Experience supporting enterprise-scale or service provider network environments.
- Strong understanding of network architecture, routing, switching, and security principles.
Soft Skills:
- Strong leadership and mentoring capabilities.
- Excellent stakeholder management and communication skills.
- Ability to bridge communication across local and international teams.
- Strong analytical and problem-solving skills.
- Strategic mindset with a focus on prevention, optimization, and operational excellence.
- Ability to explain complex technical concepts in business terms.
Language Requirements:
- Japanese: Fluent level.
- English: Business level.
Preferred Skills & Qualifications
- Experience with cloud networking technologies including AWS, Azure, or Google Cloud Platform.
- Experience developing and maintaining network automation tools.
- Programming or scripting experience using Python, Java, Ruby, Bash, or similar languages.
- Experience with DevOps, Infrastructure as Code, and network automation frameworks.
- Experience supporting global enterprise or large-scale internet service environments.
About the Company
Our client is a leading global technology company serving hundreds of millions of users through a diverse digital ecosystem.
The organization operates one of the largest and most sophisticated network infrastructures in the industry, supporting mission-critical services across multiple regions worldwide. Engineers work in a highly international environment where innovation, automation, and scalability are central to the company's continued growth and success.
Why You'll Love Working Here
- Work on one of the largest global network infrastructures in the technology industry.
- Directly impact the experience of millions of users worldwide.
- Collaborate with highly skilled engineers across international locations.
- Lead architecture standardization and next-generation networking initiatives.
- Drive network automation and modernization projects.
- Gain exposure to cloud networking, DevOps, and infrastructure transformation.
- Mentor and develop engineering talent within a global organization.
- Casual work environment with minimal overtime.
- Long-term career opportunities across multiple technology domains.
Don't Miss Out - Apply Now!
