Infrastructure Architect developing AI - ready cloud architectures covering GPU clusters and AI frameworks at Capgemini. Leading modernization assessments and defining infrastructure blueprints for AI cloud programs.
About the role
- Mainframe Infrastructure Engineer providing analysis and maintenance for critical z/OS systems at Kyndryl. Hands-on role ensuring system performance and application support with a focus on continuous improvement.
Responsibilities
- Operate, maintain, and optimize z/OS LPARs, Sysplex, WLM, JES2/JES3, USS/OMVS, TSO/ISPF, SDSF
- Install, configure, and maintain mainframe software using SMP/E and vendor best practices
- Monitor and tune system performance using RMF, SMF, OMEGAMON (or equivalent), addressing CPU, memory, I/O, and throughput
- Support and administer DB2 for z/OS, CICS TS, IMS (DB/TM), and IBM MQ: configuration, health checks, upgrades/maintenance, performance tuning, and high availability
- Manage workload automation and batch scheduling with tools such as Control‑M, CA‑7, ESP/Autosys, or equivalent; ensure batch SLAs and critical path adherence
- Administer DFSMS (ACS routines, storage groups/classes), DFSMShsm (HSM policies, space management, migration/recall), and Catalog/ICF management (IDCAMS)
- Implement and maintain RACF/ACF2/Top Secret security controls; support audits and compliance (SOX, PCI, ISO, etc.)
- Drive incident, problem, and change processes (e.g., in ServiceNow): root cause analysis, post-incident reviews, and controlled deployments
Requirements
- 5+ years in mainframe (z/OS) infrastructure or production support roles
- Strong hands-on knowledge of z/OS, JES2/JES3, TSO/ISPF, SDSF, USS/OMVS, SMP/E
- Practical experience with at least two of: DB2, CICS, IMS, IBM MQ (configuration, troubleshooting, performance)
- Production control experience with Control‑M, CA‑7, ESP/Autosys, or equivalent; deep JCL and batch troubleshooting skills
- Storage fundamentals: DFSMS, DFSMShsm, ICF catalog/IDCAMS, DASD/tape operations, space/VTOC management
- Proficiency with monitoring and performance analysis (RMF/SMF, OMEGAMON, or similar)
- Familiarity with RACF/ACF2/Top Secret concepts, access models, and audit support
- Solid understanding of ITIL processes and experience using an ITSM tool (preferably ServiceNow) for incident/problem/change
- Strong analytical, communication, and stakeholder management skills; ability to work in a follow‑the‑sun/on‑call support model
Benefits
- Medical and dental coverage
- Disability benefits
- Retirement benefits
- Paid leave
- Paid time off
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