Designed, built, and maintained corporate network infrastructure.
- Implemented server construction and maintenance.
- Led overseas sales efforts, ensuring network security and stability.
- Provided helpdesk and end-user support, addressing technical issues and providing
solutions in a timely manner.
- Performed administrative support tasks to assist with daily operations.
- Project: Network design and security for company expansion. (July 2022 - Present)
- Responsibilities included setting up secure network connections for new branches,
ensuring minimal downtime, and training local IT staff.
- Project: Implemented Cisco 9800-CL hosted on ESXi and configured Cisco 3802 and
2800 access points. (September 2023 - December 2023)
- Conducted network setup, security configurations, and provided ongoing support.

Operations Department, Sales Section
- Built and maintained home and corporate networks.
- Constructed private cloud environments and sold hardware and servers.
- Analyzed and supported the business strategies of China Unicom and China Telecom.
- Achieved an annual store sales target of 700 million yen in 2012.
- Supervised stores with cumulative sales of 1.2 billion yen from 2014 to 2018.
ts, resolving network
and system issues efficiently.
- Project: Cloud migration and optimization project. (January 2017 - Present)
- Led the migration of company servers to cloud platforms (AWS, Azure), improving
performance and reducing costs.

Tianjin, China
Sales Section / Operations Department
December 2008 – December 2013- Sold Apple products and managed stores.
- Provided corporate support and built server infrastructures.
- Designed, constructed, and secured network environments.
- Managed store operations and developed in-store strategies.
- Coordinated inventory between stores and handled accounts receivable collections.
- Delivered technical support and troubleshooting services for end-users and corporate
clients.
- Project: Private cloud and server management. (June 2009 - April 2022)
- Built and maintained various servers including Mail Servers, HTTP Servers, and RAID
configurations.
- Designed private cloud environments, managed home networks, and implemented
security protocols for multiple clients.
- Project: Setup and maintenance of surveillance camera systems and multiple wireless
hotspot access points. (June 2009 – Dec 2013)
- Ensured optimal performance and security of surveillance systems for enterprises
and buildings