欧州最大のコンサルティングファームでのInfra Mainframe Onsite Tech Leadの求人

We are seeking a highly skilled Mainframe / Infra Tech Lead to architect, manage, and optimize enterprise mainframe and infrastructure environments. This is a hands-on technical leadership role, responsible for driving modernization, automation, and high availability across both mainframe and distributed systems.



Key Responsibilities
・ Oversee and optimize mainframe infrastructure (IBM z/OS, CICS, DB2, IMS, RACF) and core IT systems (Windows, Linux, VMware, networking, storage).
・ Lead technical troubleshooting and root cause analysis for complex incidents.
・ Monitor system health and performance using enterprise-grade mainframe tools: Omegamon, CA OPS/MVS, BMC MainView.
・ Analyze and forecast resource utilization (CPU, I/O, storage), ensuring SLA compliance.
・ Design and maintain automated job scheduling workflows (CA-7, Control-M, IBM Tivoli Workload Scheduler).
・ Implement automation and Infrastructure-as-Code (IaC) using Ansible, REXX, JCL, Python, Shell.
・ Architect and maintain high availability and disaster recovery solutions (GDPS, Sysplex Concepts, Parallel Sysplex).
・ Drive mainframe modernization: DevOps (Git, Jenkins, UrbanCode Deploy), hybrid cloud integration (AWS, Azure, IBM zCloud), and open source on Z (Python, Node.js, Java, OpenShift).
・ Leverage AI/ML tools (IBM Watson) for analytics and real-time detection on z/OS.
・ Mentor and guide engineering teams, ensuring best practices in performance, capacity, and security.

●Most Critical Skills
・ Deep expertise in IBM mainframe systems: z/OS, CICS, DB2, IMS, RACF.
・ Mainframe monitoring tools: Omegamon, CA OPS/MVS, BMC MainView.
・ Infrastructure management: Windows Server, Linux (RHEL, SUSE), VMware vSphere, Hyper-V, networking (TCP/IP, SNA), SAN/NAS storage.
・ Automation & scripting: Ansible, REXX, JCL, Python, Shell.
・ Job scheduling: CA-7, Control-M, IBM Tivoli Workload Scheduler.
・ High availability & DR: GDPS, Sysplex, Parallel Sysplex, failover testing.
・ DevOps & Modernization: Git, Jenkins, UrbanCode Deploy, hybrid cloud (AWS, Azure, IBM zCloud), open source (Python, Node.js, Java, OpenShift).
・ AI/ML on Z: IBM Watson, machine learning for analytics and fraud detection.
・ Security & compliance: RACF/ACF2/Top Secret, SOX, GDPR.
・ Leadership: Proven ability to lead technical teams and manage large-scale infrastructure projects.
・ Bilingual communication: English and Japanese, with strong technical documentation skills.


●Preferred Qualifications
・ 8+ years of hands-on experience with IBM mainframe and enterprise infrastructure.
・ Experience with ITIL processes, change management, and incident response frameworks.
・ Strong analytical, troubleshooting, and mentoring skills.