Infra Mainframe | Japan Jobs | Fidel Consulting KK

Infra Mainframe

Job Id : 9691
Posted : 2025-10-15
Industry : Telecommunications
Employment Type : Full Time, Permanent
Required Skills : Japanese JLPT N2, Infrastructure , IBM Mainframe, DevOps , Jenkins, Python, Azure, Linux , IBM zCloud
City : Tokyo
State : Tokyo
Country : Japan
Annual Salary : ¥10,000,000 ~ ¥12,000,000

Job Description

Appealing Points:

  • Expertise in IBM Mainframe and Comprehensive Infrastructure Management Utilize your deep knowledge of z/OS, CICS, DB2, IMS, RACF alongside experience managing Windows/Linux servers, VMware, networking, and storage systems.
  • Cutting-Edge Modernization and Automation Skills Contribute to system efficiency by leveraging DevOps tools (Git, Jenkins, UrbanCode Deploy), hybrid cloud integrations (AWS, Azure, IBM zCloud), and automation technologies like Ansible and Python.
  • Leadership in Technical Teams and Advanced Troubleshooting Abilities Lead complex incident analysis, performance tuning, and leverage AI/ML technologies for real-time analytics, while mentoring engineering teams and driving infrastructure projects.

Annual Salary: 10 million yen and above

Job 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.

Job Qualification:

  • 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.

Language Requirements: Business level Japanese (N2) & Business English conversation skill.

Benefits:

  • Annual salary increase
  • Bonus once a year
  • Complete social insurance
  • Full payment of transportation expenses
  • Kanto IT Software Health Association
  • E-learning available
  • Orientation for new employees
  • Available for training programs (domestic and overseas)

Company Description:

This company is one of the largest IT consulting companies in Europe, with more than 200,000 employees based in locations in over 40 countries.

As a global leader in consulting, technology services and digital transformation, they were established in 2013 as a Japanese corporation of the world's leading IT consulting company at the forefront of innovation, and they offer a wide range of integrated services with the highest level of technology and abundant expertise.

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