Mainframe z/OS System Administrator

Kyndryl

. Manage and administer IBM z/OS systems and associated software products .

Posted 11/9/2026full-timeChennai • IndiaSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in IBM z/OS system administration, including installation, maintenance, and troubleshooting. Proven ability to lead modernization initiatives and collaborate effectively with cross-functional teams.

Highest-signal resume keywords

IBM z/OS System AdministrationMainframe ModernizationDisaster Recovery CoordinationIBM z/OS Architecture Design24/7 On-Call Support

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Z/OS InstallationSystem Performance MonitoringPatch ManagementSYSRES BuildsPTF ApplicationDisaster Recovery DrillsProduct MaintenanceCompatibility ChecksTroubleshooting System FailuresMainframe Integration

Soft Skills

CollaborationRelationship BuildingLeadershipMentoring

Tools & Technologies

JES2JES3TSOISPFSMP/EHCDIBM z16IBM z17AzureAWS

Industry Keywords

Mainframe SystemsParallel SysplexGDPSBusiness ContinuityTechnology Transformation

Tech Stack

Tools & technologies

AWSAzureCloud

About the role

Key responsibilities & impact

Manage and administer IBM z/OS systems and associated software products
Perform z/OS installations, upgrades, maintenance, and customization
Monitor system performance, capacity, and availability
Troubleshoot and resolve operating system, hardware, and software issues
Administer JES2/JES3, TSO/ISPF, SMP/E, HCD, and system utilities
Coordinate disaster recovery testing, backup, and business continuity activities
Collaborate with application, storage, network, and security teams on infrastructure projects
Support mainframe modernization and technology transformation initiatives
Recommend modernization options and identify new business opportunities
Cultivate relationships with teams and stakeholders

Requirements

What you’ll need

10+ years of experience in Mainframe z/OS System Administration
Extensive hands-on expertise in z/OS installation, configuration, maintenance, and support
Skills in applying patches and managing third-party software
Hands-on expertise in SYSRES builds, applying PTFs, 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
Experience working on multiple migration projects as part of mainframe modernization
Strong expertise in IBM z/OS architecture design and engineering
Knowledge of Parallel Sysplex and GDPS
Experience supporting IBM z16 and IBM z17 mainframe systems
Exposure to mainframe integration with Azure, AWS, or Google Cloud
Leadership and mentoring experience is an added plus

Benefits

Comp & perks

Flexible, supportive environment
Well-being prioritized
Be Well programs supporting financial, mental, physical, and social health
Personalized development goals
Continuous feedback
Certifications with Microsoft, Google, and Amazon
Coaching and hands-on learning experiences
Learning opportunities and certification across major cloud platforms
Employee referral opportunity