Tatsuya Y.

IT Infrastructure Manager with over 10 years of experience in IT system support and implementation. Summary: Experienced IT Infrastructure Specialist with a strong background in managing and implementing complex IT systems and projects. Adept at network design and configuration, server management, and technical support. Skilled in utilizing various technologies such as Cisco IOS, Windows Server, and Microsoft Azure to enhance network reliability and security. WordPress administrator. Committed to delivering efficient solutions that improve workflow and reduce workload. Technical Expertise: Operating Systems: Windows 7, 8, 10, Windows Server 2012R2, Windows 2016, 2019 Cisco IOS: CLI configuration, Cisco ASDM Other Technologies: Zscaler, Office 365, Hyper-V, ADCS, GPO, WDS, MDT, WSUS, Printing, Microsoft Azure, Microsoft Intune, SSL certificate, Nagios monitoring, Cisco Meraki network equipment, PowerShell, WordPress Accomplishments: - Designed and implemented a highly available corporate network with a backup router at HQ, saving on hardware costs - Reduced workload and improved security by 25 hours per quarter through the implementation of an automated patch management solution for servers - Coordinated and executed successful Japan branch office relocations with a fully wireless setup, including network design and configuration - Improved access availability by setting up a backup IPsec VPN into Azure Vnet for critical business applications - Reduced running costs by 80% by migrating existing IP-VPN to a new ISP's IP-VPN solution with a backup IPsec VPN - Provided a secure "Work From Home" solution by designing, planning and implementing a certificate-based authentication and LDAPS authentication in Cisco AnyConnect VPN - Established a new branch office, including network design, router configuration, and site-to-site VPN setup - Improved identity and access management by implementing Azure SSO, Conditional Access, - - Hybrid Azure AD join and MFA for business applications - Installed and maintained an OS imaging server infrastructure for over 500 Windows computers Experience: - Managed servers, company network, voice, and video conference systems for a 500-employee company, including APAC offices - Contributed to IT projects such as branch office relocation and new office opening as the point of contact for the Infrastructure team - Improved network stability and reliability by designing and configuring simple failover logic and QoS on Cisco and Meraki firewalls - Provided technical support - Created system documentation