7 results for Network Engineer in Tokyo, Tōkyō

Network Engineer

Yokohama,
remote
Permanent
0 - 5.0M JPY / Yearly
Company ProfileA Japanese subsidiary of an American outdoor apparel and equipment company. The Japan office manages product imports, retail store operations, e-commerce, and wholesale distribution nationwide. The Role<ul><li>Network Design & Implementation</li><li>Operations & Maintenance</li><li>Cloud & Infrastructure Integration</li><li>Security & Compliance</li><li>Documentation & Collaboration</li></ul> Your Skills <ul><li>Strong knowledge of TCP/IP, routing (BGP, OSPF), switching (VLAN, STP), and network protocols.</li><li>Hands-on experience with enterprise‑grade networking equipment (Cisco, Juniper, Aruba, Fortinet, etc.).</li><li>Experience configuring firewalls, VPNs, and network security tools.</li><li>Strong problem‑solving ability and attention to detail.</li><li>Effective communication skills with both technical and non-technical stakeholders.</li></ul> Location Yokohama Salary5 million yen Reference Number: 06940-0013376551 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/TWlraXRvLk5haXRvLjQ4MjQyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-03-05T01:55:27Z

Network Architect/Engineer

Tokyo,
remote
Permanent
10.0M - 10.0M JPY / Yearly
We are looking for an experienced Network Engineer to lead and deliver network infrastructure projects across corporate offices and retail stores in Japan for a global luxury retail group. This role requires strong vendor management capabilities and the ability to act as a subject matter expert within the organization. Fluency in both Japanese and English is essential. Key Responsibilities<ul data-start="488" data-end="1805"><li data-section-id="1apfrqg" data-start="488" data-end="607">Minimum of 5 years' experience supporting, managing, and implementing network infrastructure projects and solutions</li><li data-section-id="17facfp" data-start="608" data-end="741">Monitor, evaluate, and manage service provider performance in line with service level agreements; conduct regular service reviews</li><li data-section-id="r14irh" data-start="742" data-end="858">Serve as an escalation point for troubleshooting, incident resolution, service requests, and root cause analysis</li><li data-section-id="113tt9d" data-start="859" data-end="1027">Collaborate with internal IT teams and external vendors to ensure successful delivery of technology initiatives, including store openings, relocations, and closures</li><li data-section-id="1cneyjg" data-start="1028" data-end="1159">Oversee IT hardware lifecycle management, including refresh planning and maintenance renewals; negotiate with vendors as needed</li><li data-section-id="1hwlsar" data-start="1160" data-end="1231">Maintain stable, secure, and high-performing infrastructure systems</li><li data-section-id="o4jysx" data-start="1232" data-end="1306">Implement regular security patches and upgrades across network devices</li><li data-section-id="1del5m0" data-start="1307" data-end="1388">Manage and respond to SIEM (Security Information and Event Management) alerts</li><li data-section-id="qxc0l9" data-start="1389" data-end="1508">Support broader IT infrastructure including Active Directory, DNS, networking, web services, and end-user computing</li><li data-section-id="agm5iy" data-start="1509" data-end="1620">Ensure all documentation is current and conduct knowledge-sharing sessions with internal teams and partners</li><li data-section-id="7fm9gr" data-start="1621" data-end="1712">Participate in store visits to identify improvements and resolve network-related issues</li><li data-section-id="13on1sy" data-start="1713" data-end="1805">Be available for on-call support during major incidents, including weekends and holidays</li></ul> Qualifications<ul data-start="1840" data-end="2157"><li data-section-id="d2224x" data-start="1840" data-end="1900">Strong communication skills in both English and Japanese</li><li data-section-id="8l714f" data-start="1901" data-end="2157">Hands-on experience with networking technologies, including:</li><ul data-start="1968" data-end="2157"><li data-section-id="15wh8l9" data-start="2068" data-end="2157">Mandatory: Fortinet solutions, Cisco networks, MPLS, VPN, routing, and Microsoft technologies</li><li data-section-id="15wh8l9" data-start="2068" data-end="2157">Preferred: Check Point Firewall, Forcepoint, Palo Alto, AWS cloud networking, Nutanix</li></ul></ul> Desired Skills<ul data-start="2180" data-end="2747"><li data-section-id="1jy1ss4" data-start="2180" data-end="2267">Strong understanding of networking technologies (WAN, LAN, VPN, switching, routing)</li><li data-section-id="g9nfxb" data-start="2268" data-end="2365">Basic knowledge of IT service management processes (incident, request, and change management)</li><li data-section-id="fcdjbx" data-start="2366" data-end="2415">Experience with cloud networking environments</li><li data-section-id="1trjitm" data-start="2416" data-end="2508">Excellent project management, vendor management, communication, and documentation skills</li><li data-section-id="23kt7d" data-start="2509" data-end="2559">Experience in the retail or lifestyle industry</li><li data-section-id="1lu43j8" data-start="2560" data-end="2631">Ability to propose innovative solutions to improve existing systems</li><li data-section-id="16z6ph1" data-start="2632" data-end="2690">High level of integrity, ownership, and accountability</li><li data-section-id="1xwh8g1" data-start="2691" data-end="2747">Self-motivated with a positive and adaptable mindset</li></ul> Location Tokyo Salary10 million yen Reference Number: 06940-0013402488 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/SGluc29uLkxldW5nLjA5ODI0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-04-09T04:00:55Z

Network & Server Engineer

Tokyo,
remote
Contract
8.0M - 12.0M JPY / Yearly
Company Profile | 企業概要 The company is a global provider of high-bandwidth connectivity, network, and voice solutions, delivering secure and scalable infrastructure to enterprises, carriers, and financial institutions across Europe, Asia, and North America. With a reputation for engineering excellence and a customer-first culture, it continues to expand its Asia-Pacific footprint - making this an exceptional time to join and shape the future of network delivery in Japan. The Role | 職務内容<ul><li>Lead a team of Technical Validation Engineers across all technology domains, overseeing day-to-day delivery of technical validation and feasibility checks for Customer Orders and Internal Network Optimisation Orders.</li><li>Manage workload prioritization and support the professional development of each team member, ensuring consistent output quality and on-time delivery in line with SLAs.</li><li>Proactively monitor resource capacity, resolve stakeholder conflicts, and manage escalations - providing clear direction to help the team navigate complex technical challenges.</li><li>Drive Continuous Service Improvement (CSI) initiatives to evolve validation practices, raise team KPIs, and enhance overall service quality.</li><li>Report on validation performance metrics and maintain high-quality documentation in both Japanese and English.</li></ul>Your Skills | 応募資格<ul><li>Minimum 10 years of experience in network design or provisioning, with deep knowledge of Optical/Ethernet/SDH/SONET, DWDM, and EoSDH/IP technologies.</li><li>At least 5 years of hands-on team leadership experience in a technical environment.</li><li>Japanese (native level) and English (business level or above)Strong written and verbal communication skills in both</li><li>Proven ability to produce high-quality business documentation and present technical concepts to non-technical stakeholders.</li><li>Proficiency in Microsoft Office tools including Visio, Word, PowerPoint, and Excel.</li><li>CCNP or CCIE certification is a plus.</li><li>Bachelor's or Master's degree in Electrical Engineering, Network Engineering, or a related discipline.</li></ul> Key Highlights of the Role | おすすめのポイント<ul><li>Step into a senior leadership role with real influence over team performance, validation standards, and service quality.</li><li>Work at a global technology leader that values engineering depth - this is a role for a true network professional, not just a manager.</li><li>Join a collaborative, international team environment with strong support for career development and technical growth.</li><li>Contribute to meaningful Continuous Improvement initiatives that will shape how technical validation is done across the organization.</li></ul> Location Tokyo Salary 8 - 12 million yen Reference Number: 67040-0013385198 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure. <img src="https://counter.adcourier.com/SGluc29uLkxldW5nLjUwOTQ4LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-04-01T07:19:01Z

Back End Engineer

Tokyo,
remote
Permanent
12.0M - 17.0M JPY / Yearly
Build Critical Trading Infrastructure | Modern C++ | Tokyo Hybrid Company Profile A leading global investment bank is expanding their market connectivity platform across Asia-Pacific. The Equities technology team focuses on building infrastructure that connects institutional clients to global markets handling the critical middleware layer between sophisticated trading firms and exchanges. This is a stable, established financial institution with Western work culture and recognition practices. The Role * You'll architect and develop market connectivity infrastructure using modern C++17/C++20, working on greenfield projects rather than maintaining legacy systems * Drive the technical migration from older Java-based platforms to cutting-edge C++ architecture, making architectural decisions that impact the entire APAC region * Own full delivery cycles. From analyzing requirements with business stakeholders through design, development, testing, and production support * Solve complex challenges in FIX protocol implementation, TCP/IP networking, and multi-threaded systems that serve multiple institutional clients * Work within a lean global team in APAC where your contributions have direct visibility to senior leadership * Participate in code reviews, mentor team members, and shape platform architecture for the APAC expansion initiative * Provide technical estimates and act as the go-to technical resource for business requirements and delivery planning Your Skills Essential Requirements: * Expertise in modern C++ development (C++17 minimum, C++20 strongly preferred) with 6+ years of professional experience * Deep knowledge of TCP/IP networking, socket programming, and multi-threading in production environments * Strong foundation in data structures, algorithms, and the C++ standard library applied to performance-sensitive systems * Problem-solving ability that focuses on finding elegant solutions rather than memorizing syntax * Experience with Linux/Unix systems and understanding of network protocols at a low level * English proficiency for global team collaboration (Japanese language skills are not required) * Valid work authorization to work in Japan (No visa sponsorship) Welcome Experience (Finance background is NOT required): * Hands-on experience with FIX protocol or financial market connectivity platforms * Background in gaming backend development (multiplayer networking, real-time systems) * Telecom or infrastructure engineering with high-performance networking focus * Previous work in low-latency optimization (though not nanosecond-level HFT) * Experience collaborating in global team structures across multiple regions Key Highlights of the Role * Work on greenfield C++ projects with modern standards. You'll be building new systems, not debugging 20-year-old codebases * Join at the ground floor of APAC regional expansion, giving you high impact and visibility in a critical infrastructure initiative * Benefit from hybrid flexibility (3 days office / 2 days remote after onboarding) in Tokyo * Small team size means every contribution matters. You'll directly influence platform direction serving multiple institutional clients * Open to diverse technical backgrounds: gaming engineers, telecom developers, and distributed systems specialists are actively encouraged to apply * Enjoy recognition and career progression typically associated with Western financial institutions while working in Tokyo Apply Confidentially Send your CV with subject line "C++ Connectivity Engineer - Tokyo" All applications handled with complete confidentiality. Whether actively looking or simply exploring, your privacy is respected throughout the process.Location TokyoSalary 7 - 10 million yen Reference Number: 67040-0013364709 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/S2hhbmcuTGUuMDIwNTYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-01-16T00:11:36Z

Systems Engineer - Sr. Analyst

Tokyo,
remote
Permanent
8.0M - 8.0M JPY / Yearly
<ul><li>IT Solution Senior Analyst - TransportationAbout the RoleServes as the primary IT contact for business units and external clients, ensuring clear and effective communication. Acts as IT project manager for both new projects and client upgrades, overseeing budget, staffing, and schedules. Works with global teams to implement standard IT solutions, maintain stable system operations, optimize costs, and drive consistency. Supports the adoption of technologies such as robotics in warehouse settings and fosters innovation through data analytics to enhance operational efficiency.Responsibilities<ul><li>Assess business units and client needs, offering IT solutions to address challenges.</li><li>Collect and act on feedback from internal and external stakeholders to improve services and processes.</li><li>Promote communication and mutual understanding between IT and business divisions.</li><li>Bridge communication among departments and between businesses and clients as IT liaison.</li><li>Secure and manage necessary resources for project delivery.</li><li>Oversee project planning, execution, and monitoring to ensure completion within budget and timelines.</li><li>Select and manage external vendors during implementation and provide ongoing operational support.</li></ul>Requirements<ul><li>7+ years of IT-related experience.</li><li>5+ years as an IT consultant or project manager.</li><li>Experience in delivering system implementations.</li><li>Fluent in Japanese and capable of business-level English communication.</li><li>Strong background in project management.</li><li>Ability to communicate persuasively with stakeholders at multiple levels.</li><li>Open to challenges with a resilient mindset.</li><li>Highly valued qualities: proactive attitude, adaptability, and flexibility.</li><li>Preference for experience within multinational organizations.</li><li>Experience with ERP, application development, and logistics is a plus.</li><li>Background in supply chain or logistics industry is preferred.</li></ul> Reference No.：06940-0013375416</li></ul> By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/YWhtYWQucm95YW5pLjc2NjMwLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-02-20T04:22:14Z

IT Consultant

Tokyo,
remote
Contract
9.7M - 9.8M JPY / Yearly
Governance & Framework Alignment<ul><li>Conduct SSF-based assessments, and update as well as translate policies and procedures.</li><li>Standardize program processes across all regions, including Third Party Risk Management (TPRM) and Vulnerability Management (VM).</li><li>Harmonize the program with regional offices and headquarters.</li></ul>Risk & Compliance Operations<ul><li>Provide end-to-end TPRM program management and monitor risk posture using available tools.</li><li>Identify risks in new implementations and with ad hoc requirements.</li></ul>Incident Response & Security Operations<ul><li>Update the global Incident Response plan, promote it, and drive its adoption across all regions.</li><li>Organize tabletop exercises and enhance Security Operations Centers.</li><li>Support security incident management and address zero-day vulnerabilities.</li></ul>Technical Assessments & Vulnerability Management<ul><li>Oversee vulnerability management, baselining, and dashboard reporting.</li><li>Perform configuration hardening and threat intelligence mapping.</li><li>Assess critical systems and applications.</li></ul>Cloud, Infrastructure & Access Security<ul><li>Review cloud security policies and conduct cloud security assessments.</li><li>Carry out access reviews for cloud, infrastructure, and applications.</li><li>Support data anonymization solutions.</li></ul>Application & Database Security<ul><li>Validate security for migration projects and upgrades.</li><li>Manage patches for applications, databases, and middleware.</li><li>Monitor applications to ensure security standards are maintained.</li></ul>Awareness & Socialization<ul><li>Communicate governance updates and provide incident response training.</li><li>Organize enterprise-wide cybersecurity awareness activities.</li></ul>AI & Automation<ul><li>Adopt automation tools across TPRM, Vulnerability Management, Incident Response, and policy management.</li><li>Leverage AI agents for decision support and workflow automation.</li></ul>Reference No.：06940-0013371376 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/bHVrZS5mdXJuaXZhbC4zNTI1Ny4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-02-20T07:14:29Z

ESE Domain Specialist

Tokyo,
remote
Permanent
7.2M - 8.6M JPY / Yearly
The Role <ul><li data-section-id="1nswbi3" data-start="83" data-end="211">Assess the security and functional impacts of UPN and email domain changes across identity flows and integrated applications</li><li data-section-id="1ldtnlc" data-start="212" data-end="304">Evaluate the potential effects on authentication, SSO, SAML, OIDC, and SCIM integrations</li><li data-section-id="13rusit" data-start="305" data-end="461">Collaborate with application owners to validate secure behavior for Groups 1, 2, and 3, and identify risks related to mismatches or duplicate identities</li><li data-section-id="9dgreu" data-start="462" data-end="567">Define and document required technical changes and dependencies from a security assurance perspective</li><li data-section-id="1w74i2s" data-start="568" data-end="718">Support ESE in evaluating risks associated with login issues, outdated mappings, incorrect attribute handling, and unintended account provisioning</li><li data-section-id="kz0z82" data-start="719" data-end="827">Contribute to recommendations for secure remediation and participate in cross-functional review sessions</li><li data-section-id="1wrmxot" data-start="828" data-end="925">Provide inputs to ESE for impact assessments, readiness planning, and technical documentation</li></ul> Location Tokyo SalaryJPY 600,000-720,000 per month Reference Number: 06940-0013404212 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/bHVrZS5mdXJuaXZhbC41ODQyMS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-04-09T06:16:03Z