[N2+] Senior Infrastructure Engineer | L3 | Consumer Data & Marketing Business | Server / Virtualization / Network | 7–10M JPY

[N2+] Senior Infrastructure Engineer | L3 | Consumer Data & Marketing Business | Server / Virtualization / Network | 7–10M JPY Why should you apply: 【Infrastructure Behind a Data-Driven Marketing Business】Support the IT infrastructure behind a marketing solutions business that uses data to help retailers attract and retain customers and helps brands improve their marketing strategies. The company operates across Japan, the US, and Europe and has been in the market since 1983. 【Senior L3 Role Across Server, Virtualization & Network】Use your infrastructure experience across Windows Server, Active Directory, VMware / Hyper-V, Cisco, Palo Alto firewalls, and SQL Server in one L3 role. The position is specifically focused on advanced infrastructure support, including issues escalated from L2 and technical guidance to the L2 team. 【Senior Infrastructure Role With 3–4 Days WFH】Take on a senior technical role with a highly flexible working model: 3–4 days WFH, flex time, and a performance-based bonus. This gives an experienced infrastructure engineer senior-level responsibility without requiring a predominantly office-based schedule. Hiring Company:A marketing solutions company listed on the New York Stock Exchange, operating in Japan, the US, and Europe since 1983. The company helps retailers and brands use data to improve customer acquisition, retention, and marketing strategies. Responsibilities:Provide L3 support for complex server and network issues escalated from L2.Build and maintain Windows / Linux servers and virtual environments.Manage VMware / Hyper-V and virtual server creation.Administer Active Directory and Windows Server environments.Troubleshoot routers, switches, Cisco devices, Palo Alto firewalls, and network connectivity.Support SQL Server, application servers, log servers, and WSUS environments.Perform OS upgrades, infrastructure changes, and security improvements.Monitor infrastructure performance and support backup / disaster recovery readiness.Provide technical guidance and task direction to L2 teams.Support infrastructure upgrades, automation, and continuous improvement. Required Skills:5+ years of IT Infrastructure Engineer experience.Hands-on Windows Server experience.Experience with VMware, Hyper-V, or similar virtualization platforms.Experience with Active Directory.Experience with network devices such as Cisco, Palo Alto firewalls, and switches / routers.Basic operational experience with SQL Server.Japanese: Business level (N2+)English: Intermediate (TOEIC 600+) Working Hours:9:00–17:30, Monday–Friday / Flextime Working Style:Hybrid — 3–4 days WFH per week Employment Type:Permanent Holidays:Saturday, Sunday, National Holidays, Year-end / New Year Holidays, Paid Holidays, and other company holidays Services / Benefits:Performance-based bonus, transportation allowance, pension, insurance, health-related benefits, and other employee benefits. ID: GT502986