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Kyndryl

Managed IT infrastructure and cloud services

Mainframe z/OS Systems Administrator

Database AdministrationConfirmed live in the last 24 hours
Full-timeBengaluru, Karnataka, IndiaNo salary listedIn-person

About the Job

Requirements

  • At least 8 years of experience in mainframe z/OS system programming, including hands-on expertise in z/OS installation, configuration, maintenance, and support.
  • Skills in applying patches, managing third-party software, and ensuring system reliability.
  • Hands-on expertise in SYSRES builds, applying PTFs, performing disaster recovery drills, and updating license keys.
  • Proficiency in product maintenance, upgrades, and compatibility checks for z/OS 3.1 and IBM z16 hardware.
  • Ability to troubleshoot system failures, freezes, job abends, and performance issues.
  • Willingness to provide 24/7 on-call support to resolve system issues.
  • Working knowledge of mainframe GDPS.
  • Good understanding of the flip-and-stay disaster recovery model.
  • Experience working on multiple migration projects as part of mainframe modernization.
  • Ability to recommend system performance optimizations.

Responsibilities

  • Install, configure, maintain, and upgrade DB2 for z/OS environments to ensure platform stability, performance, and availability.
  • Plan and execute DB2 version migrations, maintenance activities, and recovery strategies, including SMP/E, PTF, and APAR implementations.
  • Administer DB2 subsystems, DSNZPARM configurations, buffer pools, storage resources, catalogs, and directories.
  • Monitor, analyze, and optimize DB2 performance by tuning subsystem parameters, SQL access paths, buffer pools, and resource utilization.
  • Design and support high-availability, disaster-recovery, and data-sharing environments to meet business continuity and recovery objectives.
  • Manage DB2 utilities including REORG, RUNSTATS, COPY, LOAD/UNLOAD, RECOVER, and REBUILD INDEX operations, ensuring optimal execution and reliability.
  • Partner with security teams to implement DB2 security controls, authorization strategies, compliance requirements, and vulnerability remediation.
  • Perform capacity planning, growth forecasting, and infrastructure optimization to support evolving business and application demands.
  • Develop and enhance automation using REXX, JCL, and monitoring tools to improve operational efficiency and proactive system health management.
  • Lead root-cause analysis and resolution of critical incidents, acting as the highest level of technical escalation for complex DB2 issues.
  • Collaborate with application development teams on SQL tuning, database design reviews, migrations, and onboarding new workloads.
  • Drive modernization initiatives including DB2 upgrades, DevOps integration, automation, observability enhancements, cloud connectivity, and mainframe transformation programs.
  • Provide technical leadership, mentorship, operational governance, and strategic guidance to ensure secure, highly available, high-performing DB2 infrastructure.

Desired Qualifications

  • Experience in z/OS administration.
  • Experience in mainframe modernization initiatives.
  • Experience supporting IBM z16 and IBM z17 mainframe systems.
  • Leadership and mentoring experience.

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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