MF zOS Sys Consultant

4 days ago

Pune, India NTT DATA, Inc. Full time

Responsibilities:

Operating System Knowledge

Deep mastery of z/OS architecture, including IPL procedures, JES2/JES3 configurations, Sysplex management, SMF data collection, and parmlib customization.

Programming Skills

Proficient in writing and debugging system-level routines and automation:

  • Assembler for exits and control blocks
  • REXX for scripting and batch utilities
  • JCL for job submission, parameterization, and workflow control

System Administration

Managing hardware and logical resources across LPARs:

  • DASD and tape allocation via HCD/HCM
  • LPAR configuration in HMC
  • Security administration using RACF or equivalent

Problem-Solving Skills

Analytical troubleshooting of abends, storage hangs, and performance anomalies using:

  • Dump analysis with IPCS
  • SLIP and trace tools
  • System logs and console messages

Backup and Recovery

Ensuring data integrity and swift recovery with:

  • DFSMShsm policies and recall management
  • FDR/ABR for high-speed backups
  • FlashCopy or virtual tape replication for near-instant restores

Performance Monitoring

Optimizing system throughput and response times utilizing:

  • RMF and SMF report analysis
  • OMEGAMON or BMC MainView dashboards
  • WLM classification and tuning

Networking Knowledge

Configuring and supporting mainframe connectivity:

  • VTAM and SNA definitions
  • TCP/IP stack on z/OS
  • OSA adapter and Coupling Facility communication

Documentation and Communication

Producing clear system diagrams, runbooks, and upgrade plans, while collaborating with application teams, storage, networking, and security groups.

Continuous Learning

Staying current on IBM Redbooks, z/OS release notes, firmware updates, and attending vendor training (IBM, Broadcom, BMC) or industry conferences.

Software Maintenance & Upgrade Tools

Executing OS and product upgrades with industry-standard utilities:

  • SMP/E for PTF, APAR, and deliverable management
  • z/OSMF workflows for streamlined maintenance
  • Broadcom (e.g., Topaz), IBM, and BMC tooling for fix management and compliance reporting

Project Management & Hardware Refresh

Planning and leading hardware refreshes, feature activations, and migrations with minimal downtime, including IPL scheduling, vendor coordination, and change-control governance.

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