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Kyndryl

Managed IT infrastructure and cloud services

Mainframe Modernization Expert

System AdministrationConfirmed live in the last 24 hours
Full-timeHoofddorp, NetherlandsNo salary listed

About the Job

Requirements

  • Advanced knowledge of IBM z/OS environments, system exits, and modern z/OS features.
  • Hands-on experience configuring and running Java applications within IBM WebSphere Application Server Liberty on z/OS.
  • Proficiency with IBM z/OS Container Extensions (zCX) and containerized deployment patterns on IBM Z.
  • Expertise in configuring, enhancing, and monitoring z/OS Connect RESTful services and Liberty server instances.
  • Strong working knowledge of RACF administration, user management, and security exit customization.
  • Experience with LDAP, multi-factor authentication (MFA), Passtickets, and advanced encryption standards.
  • Ability to read, modify, and restructure z/OS exits, such as NetView/FTP DVGPRET$.
  • Experience installing and administering IBM/HCL Workload Automation components, specifically the Dynamic Workload Console (DWC).
  • Exposure to mainframe monitoring tools for Liberty and z/OS Connect performance tracking.
  • Ability to investigate root causes, resolve high-level technical issues, and provide actionable answers to architecture queries.
  • Proven ability to work effectively within technical focus groups, support team members, and liaise with offshore and international teams.
  • Drive to stay current with evolving IBM Z modernization patterns, hybrid cloud integration strategies, and system security standards.

Responsibilities

  • Implement and optimize Java on mainframe environments running on IBM WebSphere Application Server Liberty.
  • Deploy and support IBM z/OS Container Extensions (zCX) to host containerized workloads on z/OS.
  • Manage and enhance z/OS Connect and Liberty server environments, including setup, monitoring, and integration.
  • Install and configure enterprise mainframe tools, such as the HCL Dynamic Workload Console (DWC).
  • Design and implement LDAP directory solutions to transition local user management in zCX to centralized RACF authentication.
  • Configure multi-factor authentication token logon and RACF user ID integration for zCX workloads.
  • Participate in the z/OS Connect and Liberty focus group to drive architecture standards, troubleshoot complex issues, and share technical insights.
  • Provide technical guidance and cross-functional assistance to peer engineering, Enabling, and Foundation teams, including zSCC LDAP/RACF integration.
  • Contribute as a member of the ANT team while expanding expertise in emerging mainframe technologies.

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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