Infra Mainframe Onsite Tech Lead

Tokyo - Japan

Monthly Salary: Not Disclosed

Experience Required: 7-8years

Posted on: 30+ days ago

Vacancies: 1 Vacancy

Job Summary

About the Role:

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 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.

Requirements

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 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.

About the Role: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 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, , 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 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, , 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 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.

About the Role: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 ...