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Senior Network Engineer at coupanginternal: Tokyo, Japan; Vor Ort. JobGrid adds normalized role facts, source context, and a path to the employer application page so candidates can compare the listing before applying.
- Location and workplace: Tokyo, Japan, Vor Ort
- Source freshness: checked by JobGrid on 2026-05-30.
- Application path: candidates continue to the employer application page with non-personal referral tags.
Role Overview
We are seeking a Senior Network Engineer to design, implement, and manage corporate office network infrastructure supporting Coupang’s global operations. This role is responsible for ensuring high availability, security, and scalability of network environments while collaborating closely with Security, IT Infrastructure, and End-User Technology teams.
The position involves network deployment, operations support, performance optimization, and advanced troubleshooting to maintain a reliable and efficient network experience across all corporate locations.
What You Will Do
Key Responsibilities
Design, deploy, and support scalable and resilient network infrastructure for corporate offices
Implement and manage enterprise Wi‑Fi solutions to ensure optimal user experience
Manage and support WAN, SD-WAN, LAN, and network interconnectivity for seamless connectivity
Proactively monitor network health and identify, troubleshoot, and resolve performance issues
Provide support for site-level network incidents and user-impacting issues
Generate periodic operational and performance reports
Manage incident, change, and capacity planning processes
Support office expansions, relocations, and infrastructure upgrades
Collaborate with Infrastructure, End-User Technology, and Unified Communications teams
Ensure high availability, reliability, and performance of site networks
Basic Qualifications
Bachelor’s degree in Computer Science, Information Technology, or a related field
Relevant certifications such as CCNP, PCNSA, or equivalent
5+ years of hands-on experience in enterprise network engineering and support
Strong understanding of routing and switching concepts
Hands-on experience with Cisco Wi-Fi, routing, switching, and ISE
Working knowledge of Palo Alto firewalls
Solid understanding of network security principles, including firewalls, VPNs, and access control
Strong network troubleshooting and problem-solving skills
Business level communication in both Japanese and English
Preferred Qualifications
Experience working in multinational corporate environments
Ability to operate effectively in high-paced, cross-cultural settings
Excellent communication, collaboration, and stakeholder management skills
採用プロセス
書類選考 → 電話／Zoom面接 → オンサイト（またはオンライン）面接 → 内定
※職種や状況により、プロセスが変更される場合があります。
※面接日程や結果は、応募時にご提出いただいたメールアドレス宛にご連絡いたします。
勤務条件
- 雇用形態：正社員
- 試用期間：あり（期間・条件は別途通知）
- その他の詳細：ご応募後、別途ご案内いたします。