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Kyndryl

Managed IT infrastructure and cloud services

Mainframe Infrastructure Specialist - Mainframe

System AdministrationConfirmed live in the last 24 hours
Full-timeTokyo, JapanNo salary listed

About the Job

Requirements

  • Deep expertise and hands-on experience in mainframe-related technologies.
  • Experience in mainframe modernization or technologies such as Db2, IMS, CICS, MQ, NetView, z/WAS, or z/Linux.
  • Knowledge of LE/COBOL, mainframe hardware, and networking.
  • Experience with applications, infrastructure, and system operations in enterprise IT environments.
  • Experience collaborating with multiple teams to drive engineering solutions.

Responsibilities

  • Understand the customer’s current mainframe environment, business requirements, and technical challenges.
  • Support proposals, design, build, testing, changes, migration, and operations for mainframe products and services.
  • Lead technical analysis and issue resolution in areas such as Db2, IMS, CICS, MQ, NetView, z/WAS, and z/Linux.
  • Create technical materials, diagrams, procedures, and review documents for handover to stakeholders.
  • Assess technical risk, schedule risk, and feasibility early in the project and propose mitigation actions.
  • Work with architects, Project Managers, and engineers to support stable delivery throughout the project.
  • Analyze impact during incidents or problems and drive quick recovery and permanent fixes.

Desired Qualifications

  • Extensive experience in mainframe design, build, migration, operations improvement, and incident response.
  • Experience providing technical support and reviews across multiple mainframe products and services.
  • Knowledge and experience creating technical plans, blueprints, configuration models, and operating procedures.
  • Ability to compare alternatives logically and select the best approach.
  • Experience in process improvement, standardization, and automation.

About the Company

Kyndryl

Managed IT infrastructure and cloud services

Kyndryl provides managed IT infrastructure services for large enterprises, helping them run and modernize their technology environments. Its offerings cover cloud adoption, cybersecurity, security operations, and digital workplace services, all delivered under long-term managed-service contracts. The company works by partnering with major technology providers (including Microsoft) to offer integrated, end-to-end solutions, often complemented by a new security operations center (SOC) and other security capabilities. This focus sets it apart from competitors through scale, enterprise-grade governance, and a history rooted in IBM’s infrastructure services, now independent but aligned with large technology partners. The goal is to support digital transformation by providing reliable, scalable, and secure infrastructure management that enables enterprises to operate efficiently and securely in a cloud-enabled world.

Company size
10,001+
Company stage
IPO
Headquarters
New York City, New York
Founded
2021

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