Building Technical Expertise Since 2013
We provide structured IT infrastructure training that prepares professionals for advanced technical roles in enterprise environments
Return HomeOur Foundation
NetCore was established in 2013 by a group of infrastructure engineers who recognized a gap between academic computer science education and the practical skills required in enterprise IT environments. Our founders had spent years working in network operations centers and data centers, witnessing how newly hired engineers often struggled with the transition from theoretical knowledge to hands-on implementation.
The initial focus was narrow, offering weekend workshops on Cisco routing and switching fundamentals. These early sessions were held in borrowed classroom space, with participants bringing their own laptops to connect to a small lab network. Despite the modest setup, the response from Tokyo's IT community was strong. Engineers appreciated training that emphasized real-world scenarios over certification exam preparation.
As cloud computing and containerization began reshaping infrastructure practices, we expanded our curriculum to address these evolving technologies. In 2017, we introduced Kubernetes training when many organizations were still evaluating container orchestration platforms. Our instructors were practitioners who had implemented these systems in production environments, bringing firsthand experience to the classroom.
By 2019, we had moved to our current facility in Roppongi, which includes dedicated lab space with enterprise-grade networking equipment and virtualized environments that mirror production infrastructure. This investment allowed us to offer more comprehensive hands-on training, where students could practice configurations and troubleshoot issues in a controlled setting that closely resembles their work environments.
Our approach has remained consistent throughout this growth. We focus on technical depth rather than breadth, maintaining small class sizes to allow for individual attention. Course content is regularly updated to reflect current practices in infrastructure management. Students often tell us they appreciate that instructors acknowledge the complexities and trade-offs inherent in real-world deployments, rather than presenting simplified scenarios.
Today, NetCore serves professionals at various career stages, from system administrators looking to deepen their networking knowledge to experienced engineers transitioning into security roles. We maintain relationships with several technology companies in Tokyo, which helps us understand the skills employers are seeking and adjust our curriculum accordingly.
Our Methodology
Our training methodology is built on the principle that infrastructure skills develop through repeated practice with actual systems. While theoretical knowledge provides necessary context, proficiency comes from configuring devices, troubleshooting connectivity issues, and understanding how different components interact within a network.
Each course follows a structured progression. Initial sessions establish foundational concepts and terminology. We then move to guided labs where students implement configurations with instructor oversight. Later sessions involve more complex scenarios where students must diagnose problems and design solutions with less direct guidance. This progression mirrors how skills develop in actual work environments.
Our lab environments are designed to reflect enterprise infrastructure. Rather than simple point-to-point connections, students work with networks that include multiple routers, switches, firewalls, and virtualized servers. This complexity is intentional. In production environments, engineers must understand how their changes affect multiple systems and anticipate potential failure points. Our labs provide experience with these considerations in a setting where mistakes become learning opportunities rather than outages.
Instructors are selected based on their practical experience with the technologies they teach. Many continue to work in infrastructure roles while teaching part-time, ensuring they bring current knowledge of industry practices. During lab sessions, instructors circulate to observe how students approach problems, offering guidance when students are stuck but allowing them to work through solutions independently when possible.
Course materials include technical documentation that students can reference after completing the program. Rather than providing step-by-step procedures for every task, we emphasize understanding underlying principles and consulting official documentation. This approach helps students develop the research and problem-solving skills necessary for working with technologies that evolve rapidly.
We maintain small class sizes to enable this hands-on approach. With typically six to ten students per session, instructors can address individual questions and observe each student's progress through lab exercises. This scale allows for flexibility in pacing when a concept requires additional explanation or when students are ready to move forward.
Hands-On Practice
Lab exercises comprise at least 60% of course time, allowing students to develop muscle memory for common configurations and troubleshooting workflows
Current Practices
Curriculum reflects current industry implementations, updated quarterly based on instructor experience and technology partner feedback
Our Instructors
Experienced infrastructure professionals who bring practical knowledge from enterprise environments
Takeshi Nakamura
Holds CCIE certification and has designed networks for financial services organizations. Specializes in routing protocols, SD-WAN implementations, and network automation. Previously led infrastructure teams at two major Tokyo-based enterprises.
Kenji Yamamoto
Certified Kubernetes Administrator with extensive experience in container orchestration and microservices architecture. Has implemented Kubernetes clusters for e-commerce and media streaming platforms. Active contributor to cloud-native technology communities.
Hiroshi Tanaka
CISSP certified with background in security operations and incident response. Has developed security frameworks for healthcare and manufacturing organizations. Specializes in risk assessment, security architecture, and compliance implementation.
Professional Values
Technical Accuracy
Course content is reviewed by multiple instructors to ensure technical accuracy. When new technologies are introduced, we wait until our instructors have gained sufficient production experience before developing curriculum. This approach means we may not be the first to offer training on emerging technologies, but students can be confident the material reflects practical implementation experience rather than theoretical concepts.
Practical Focus
Our training emphasizes skills that students will use in their work. While we provide context on underlying protocols and architectures, the focus remains on configurations, troubleshooting approaches, and implementation considerations. Students leave courses with knowledge they can apply immediately rather than theoretical understanding that requires additional study to put into practice.
Realistic Expectations
Infrastructure work involves complexity and occasional frustration. Our instructors discuss challenges they have encountered in production environments, including situations where solutions were not immediately obvious. This transparency helps students understand that difficulty troubleshooting a problem does not indicate lack of ability, but is an inherent aspect of working with complex systems.
Continuous Improvement
We collect feedback after each course and review lab exercises regularly to identify areas for improvement. When students struggle with particular concepts, we adjust our teaching approach or add supplementary materials. Technology changes, and our curriculum evolves to reflect current practices in network design, containerization, and security management.
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