Network Support Engineer

NTT DATA, Inc.; United Kingdom; Remote; USD 60,000 - 80,000; Full time

Job summary

A global technology services provider seeks a Network Support Engineer to support network devices and services. The ideal candidate should have 3–4 years of network support experience and a Bachelor's degree in Computer Science. Proficiency in Japanese and English communication skills is essential. This is a fully remote position.

Qualifications

• 3–4 years of experience in network support or engineering.
• Strong understanding of OSI/TCP-IP models and routing protocols.
• Familiarity with network security practices and tools.

Responsibilities

• Configure and install network devices and services.
• Monitor network performance and ensure system availability.
• Troubleshoot escalated issues from L1 support.

Skills

Network diagnostics

TCP-IP models

Routing protocols

Excellent communication skills in English

Communication skills in Japanese

Education

Bachelor’s degree in Computer Science

CCNA / CCNP / ZPA / ZIA certification

Tools

Wireshark

SolarWinds

ServiceNow

Job description

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NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Network Support Engineer to join our team in Fully Remote, Tokyo (JP-13), Japan (JP).

Key Responsibilities:

• Configure and install network devices and services (e.g., routers, switches, firewalls, load balancers, VPNs, QoS, proxy)
• Full understanding of WAN/LAN internetworking, OSI Layer, TCP-IP models and routing protocols.
• Knowledge of Wireless, Cloud Proxies i.e. Zscaler, SD-WAN.
• Monitor network performance and ensure system availability and reliability.
• Perform network diagnostics using tools like Wireshark, SolarWinds, or similar
• Troubleshoot escalated issues from L1 support and resolve complex network incidents
• Liaise with vendors and regional teams for issue resolution and upgrades.
• Maintain documentation of network configurations, changes, and procedures.
• Adhere to ITIL processes (incident, change, and problem management)
• Provide timely updates to stakeholders on critical issues and progress.
• Participate in capacity planning and performance tuning
• Follow escalation matrix and ensure SLA compliance
• Ability to converse with native Japanese customers in local Japanese and work with Global team in English

Required Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, or related field
• 3–4 years of experience in network support or engineering
• Certifications: CCNA / CCNP / ZPA / ZIA is a plus
• Strong understanding of OSI/TCP-IP models and routing protocols (BGP, OSPF)
• Experience with ServiceNow or similar ticketing tools
• Exposure to Zscaler technology is a plus
• Familiarity with network security practices and tools.
• Excellent communication skills (written and verbal) English and Japanese

About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies.Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us atus.nttdata.com

NTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here . If you'd like more information on your EEO rights under the law, please click here . For Pay Transparency information, please click here .