【最大手証券グループ】Linux/プラットフォームエンジニア

One of the largest Japanese securities groups is seeking a Bilingual Linux & Platform Engineer. Responsibilities - Lead operations for RHEL, clustering, and related services (Satellite, Ansible) - Design, build, test, and deliver new services and enhancements across platform and cloud environments - Provide L2/L3 onsite and on-call support under a Follow-the-Sun model - Partner with application teams to deliver reliable and scalable platform/cloud solutions - Identify automation opportunities, mitigate risks, and contribute code for platform management - Collaborate with Engineering and IT teams to resolve issues and drive improvements - Create and maintain runbooks; mentor and guide team members Required Skills - Expertise in RHEL 7.x/8.x and Red Hat High Availability (Pacemaker) - Hands-on with Red Hat Satellite and Ansible Automation - Experienced in HP & Cisco hardware setup, troubleshooting, and firmware upgrades - Skilled in VMware/ESX virtualized environments - Strong troubleshooting and service restoration skills - Japanese: Business level (JLPT N2 or above) / English: Business level Why Should You Apply - Join a flexible, diverse, and international Tokyo-based Platform & Cloud Services team - Work on public/private cloud, Linux/Windows compute, and core infrastructure - Contribute to both day-to-day operations (BAU) and large-scale, multi-year enterprise projects Company Details A global financial services leader with a diverse Japan IT team supporting retail and wholesale operations. Offers competitive benefits, career development, and a strong focus on diversity, inclusion, and employee well-being. Working Hours: 8:40-17:40 (Mon-Fri), out of hours, weekend as needed Working Style: Hybrid (currently 1day in-office, 4 days WFH, subject to change) Holidays: Saturday, Sunday, National Holidays, Year-end and New Year Holidays, Paid Holidays, Other Special Holidays Services/Benefits: Social insurance, employee pension, and commuting allowance, etc