Kensho Takagi

[Project 1] [Project 3]

After completing a comprehensive two-month onboarding and technical training, I actively contributed to three key projects focusing on IT infrastructure and support.

• Period: 01/Aug/2024 - 30/Sep/2024
• Overview

　• Network infrastructure setup and configuration
　• Server deployment and administration

• Details

NETWORK FUNDAMENTALS & INFRASTRUCTURE TRAINING
　• Network classifications - LAN, WAN, and network topologies
　• LAN communication mechanisms (Ethernet protocols)
　• Network components - cables, NICs, hubs, switching hubs, and routers
　• Network protocols - OSI reference model, encapsulation, and major networking protocols
　• TCP/IP stack - layer functions, IP addressing, subnet masks, routing (MAC and IP address resolution), port numbers, and protocol specifications
　• Hands-on router and switch configuration and operational training


SERVER FUNDAMENTALS & DEPLOYMENT TRAINING
　• RockyLinux9 installation and system configuration (SSH, repository management, network settings, NTP configuration)
　• Firewall concepts and configuration management
　• Apache web server deployment including virtual host setup and SSL certificate implementation

• Period: 01/Oct/2024 – 30/Sep/2025
• Role: In-house SE
• Overview: Led the establishment of a new IT operations team from October 2024. Participated as a founding operations member, developing standard procedures and creating operational documentation from scratch.
• Key Responsibilities:

　• Help Desk Escalation Support

　-Processed escalated IT requests and determined appropriate resolution paths

　 -Provided policy guidance on software installation permissions and security compliance

　 -Routed complex technical issues to specialized teams for resolution

Examples: Software installation approvals, access permission requests

　• Internal Web Portal Management (SharePoint)

　• Created comprehensive FAQ database for employees

　• Developed and maintained various application form templates

• Monthly Operations:

　• Active Directory administration (onboarding/offboarding, role changes, periodic access reviews)

　• Email security communications and alerts (WISE Alert system)

　• Processing various IT requests (Zscaler and other platforms)

　• Coordinating regular team meetings and stakeholder communications

• Additional Responsibilities

　• Bilingual Support: Handled all requests and communications in English when required

　• PC Replacement Project: Coordinated testing and deployment activities for ~1,000 device refresh Note: Hardware provisioning and basic setup handled by dedicated IT team

• Environment:

　• ServiceNow
　• ActiveDirectory
　• Zscaler
　• WISE Alert
　• Microsoft Office Suite (Excel, Teams, SharePoint, Outlook)

　• Power Apps, Power Automate

[Project 2]

• Period: 01/Oct/2025 – 19/Nov/2025
• Role: In-house SE
• Overview: Evaluated the latest iterations of cloud infrastructure and conferencing software to ensure full compatibility with existing workflows.
• Key Responsibilities:

　• Conducted systematic testing to identify potential bugs before overseeing the transition to the most recent versions.

　• Maintained system reliability by implementing updates and documenting the installation process.

• Environment:

　• Rocky Linux 9
　• ubuntu 22.4 LTS
　• apache
　• nginx

• Period: 20/Nov/2025 – Present
• Role: In-house SE
• Overview: Resolved a wide range of hardware and software issues, including system boot failures, application malfunctions, and network connectivity problems for end-users.
• Key Responsibilities:

　• Administered user accounts and access permissions using Active Directory (AD) to ensure secure and efficient system usage.

　• Performed routine server backup tape rotations.

　• Managed the full-cycle "kitting" process (configuration and setup) for laptops and mobile devices for new hires and hardware refreshes.

　• Maintained accurate records of IT assets, including hardware inventory and software licenses, to optimize company resources.

• Environment:

　• ServiceNow

　• ActiveDirectory

　• Intune

　• AirWatch

　• Microsoft Office Suite (Excel, Teams, SharePoint, Outlook)

　• Windows

　• IOS