400万人が利用する会社訪問アプリ
Raksul Inc. / Infrastructure Operation Engineer
I am responsible for the IT infrastructure in Raksul Inc. Current business site: https://elastic-infra.com/
I managed the servers in InTrigger platform, which is an open information processing and system research platform, distributed over Japan. The platform had 800+ hosts. I built a provisioning system for this platform, including heterogeneous types of products, network policies/configurations (including NAPT), with helping debug the automatic installation system called Lucie. http://ci.nii.ac.jp/naid/110002711976
I want this essentially complex world to be easier to grasp, with technology.
I am an infrastructure operation engineer and a member of only two people infrastructure team. It was just after ex-CTO leaving and there were few documents left. I struggled to reveal the Raksul's current infrastructure, problems and migrate infrastructure, fixing urgent security issues.
I took major part in game servers' management, data center migration, several services' server provisioning, and some technical specialties, including security vulnerability and penetration testing. I had been managing the mobile game servers throughout the job in DeNA. I kept connectivity to me 24h/365d and strong relationships between a
I worked as a software engineer. I built ticket management server, developed the base of the AGRA server system with Java (on Jetty FW), and the base of its client system with C#.
I worked at Ubiquitous as a embedded software engineer, developing encryption and compression module with (embedded) C.