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Kyndryl

Managed IT infrastructure and cloud services

Mainframe Performance & Capacity Management Specialist

System AdministrationConfirmed live in the last 24 hours
Full-timeNo salary listedIn-person

About the Job

Requirements

  • At least 5 years of experience in mainframe performance and capacity planning on IBM z/OS platforms.
  • In-depth knowledge of SMF/RMF data analysis, WLM configuration, and z/OS system performance metrics.
  • Experience with Workload Manager (WLM), Parallel Sysplex configurations, multiple LPAR environments, and capacity/performance reporting and modeling.
  • System performance understanding of mainframe components, including z/OS, JES, CICS, DB2, and IMS.
  • Thorough knowledge of performance analysis and tuning for the z/OS operating environment, DASD, and tape storage systems.
  • Ability to perform diagnostics and root cause analysis.
  • Strong analytical and documentation skills.
  • Provide 24/7 on-call service to clients.
  • Capacity planning for processors, DASD, and physical processors (CECs) for various customers.
  • Knowledge of forecasting for processors, coupling facilities, DASD, virtual tape, and tape in a complex environment.
  • Provide technical guidance to internal contacts in designing infrastructure solutions that meet business needs and perform to engineered specifications.

Responsibilities

  • Monitor, analyze, and optimize performance across IBM z/OS mainframe environments.
  • Perform capacity planning, forecasting, and trend analysis for processors, LPARs, Sysplex, storage, and tape resources.
  • Analyze SMF/RMF data to identify bottlenecks and recommend performance improvements.
  • Configure and tune WLM policies to meet service level objectives.
  • Conduct performance diagnostics, root cause analysis, and system tuning across z/OS, JES, CICS, DB2, IMS, DASD, and tape environments.
  • Develop performance and capacity reports, forecasts, and recommendations for stakeholders.
  • Collaborate with infrastructure and application teams to resolve complex performance issues.
  • Drive cost optimization initiatives, including resource utilization and MLC optimization.
  • Provide technical guidance on infrastructure design, scalability, and performance best practices.
  • Participate in 24/7 on-call support for critical client environments.

Desired Qualifications

  • Hands-on experience navigating, debugging, and monitoring with tools such as RMF (I, II, III), Omegamon, TMON, or BMC.
  • Hands-on experience with vendor products such as MXG, CA-MICS, Omegamon, Strobe, or APA.
  • Hands-on experience with TDS and QMF for data extraction and analysis.
  • Experience with tools such as CP3000, zPCR, and zTPM is an added advantage.
  • Knowledge of cost modeling and mainframe MLC (Monthly License Charge) cost optimization strategies.

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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