Mainframe zOS Systems Administrator
Who We Are
Your Role
• Install, configure, maintain, and upgrade DB2 for z/OS
environments, ensuring 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 through tuning of 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 while 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 of 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 a secure, highly available, and high-performing DB2 infrastructure.
Your future at Kyndryl
Who You Are
You're good at what you do and possess the required experience to prove it. However, equally as important - you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused - someone who prioritizes customer success in their work. And finally, you're open and borderless - naturally inclusive in how you work with others.
Required Technical and Professional Expertise
- 8+ years of experience in Mainframe z/OS system programming, with extensive 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.
- Adept at troubleshooting any system failures, freeze, job abends and performance issues.
- Willingness to provide 24/7 oncall support to resolve any system issues.
- Working knowledge of mainframe GDPS.
- Good understanding of flip and stay disaster recovery model.
- Experience of working on many migration projects as part of mainframe modernization.
- Should provide recommendations on optimizing system performance.
Preferred Technical and Professional Experience
- Experience in z/OS administration.
- Experience in mainframe modernization initiatives.
- Experience of supporting the IBM z16 and IBM z17 mainframe systems.
- Any leadership and mentoring experience will be an added plus.
Being You
What You Can Expect
Get Referred!
Not included in the source posting: benefits.
Skills
Who can apply
The employer didn't state any visa, work authorization, citizenship or clearance requirements in this posting. Confirm with the employer before applying.
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