Jobs in Japan
Explore hand-picked jobs in Japan for English speakers across tech, education, marketing, and more.
Vetted companies only. Apply from overseas.
Explore hand-picked jobs in Japan for English speakers across tech, education, marketing, and more.
Vetted companies only. Apply from overseas.
MercariThis position does not have a Japanese job description available.
- Strong networking fundamentals (TCP/IP, IP address management, OSI layers 2–7, routing, DNS, TLS, HTTP) - Hands-on experience designing, configuring, and troubleshooting data-center routing and switching, especially BGP (ASN planning, route summarization, and routing policy), as well as OSPF, VLAN/VRF - Hands-on experience designing and operating physical/data-center networking (switches, routers, firewalls, structured cabling) - Production experience operating Linux servers - Hands-on data-center experience, including for GPU/high-density systems: physically installing and changing cabling and configuring routers, switches, and firewalls on-site (this role requires regular in-person visits to our data center) - Experience with data-center operations: racks, power, cooling, cross-connects, and coordinating remote-hands / installation work - Experience managing data-center vendors and SI partners, including commercial discussions and contract/procurement handling - Experience integrating on-prem and cloud networks (GCP or AWS), including VPN, proxies, and routing - Ability to automate workflows using Python or Bash and to manage configuration using Infrastructure as Code (IaC) - Experience writing design documents and working with internal stakeholders and external vendors/SIers - Empathy with Mercari's mission and values
- Experience with GPU/HPC infrastructure and high-performance fabrics such as InfiniBand or RoCE - Hands-on experience installing and maintaining GPU systems/servers in a data center — physical installation, cabling, and ongoing maintenance (strongly preferred) - Experience operating NVIDIA DGX or similar GPU appliances - Experience with out-of-band management (BMC/Redfish/IPMI) and PDU management - Experience designing high-density data-center environments (high kW/rack, cooling strategy) - Knowledge of ML/LLM serving infrastructure and GPU scheduling - Experience working with SI partners and procurement processes - Experience developing infrastructure or middleware using Go or Python
