Mainframe Administrator

IPolarity


Job Location:

Morristown, NJ - USA

Monthly Salary: Not Disclosed
Posted on: 5 hours ago
Vacancies: 1 Vacancy

Job Summary

Mainframe DB2 Systems Programmer
Phoenix AZ (Hybrid)
Plano TX
Charlotte NC
Richmond VA
Jacksonville Beach FL
Pennington NJ
Chicago IL

The Role:
We are seeking a highly skilled Mainframe DB2 Systems Administrator to manage and support DB2 for z/OS subsystems in a mission-critical enterprise environment. This role is responsible for installation configuration performance tuning and overall health of DB2 subsystems ensuring high availability security and optimal performance.

Responsibilities:


DB2 Installation & Configuration

  • Install configure and maintain DB2 for z/OS subsystems
  • Perform version upgrades patching (PTFs/APARs) and system maintenance
  • Manage subsystem configuration and initialization parameters
  • Maintain core DB2 components:
    • ZPARMs (DSNZPARM)
    • Buffer pools
    • Logs and BSDS
    • Catalog and directory

Performance & Capacity Management

  • Monitor and tune DB2 system-level performance (CPU memory I/O)
  • Optimize:
    • Buffer pools
    • Locking and concurrency
    • Thread and connection performance
  • Support capacity planning and performance analysis using DB2 and system tools

High Availability & Data Sharing

  • Manage and support:
    • DB2 Data Sharing environments (Sysplex)
    • Coupling Facility integration
    • Workload balancing and failover
  • Ensure DB2 availability and resilience through DR strategies

System Maintenance & Troubleshooting

  • Analyze and resolve:
    • Subsystem failures
    • Dumps logs and abends
    • Connectivity issues affecting DB2 operations
  • Perform root cause analysis and implement preventive actions
  • Support interaction with:
    • Batch (JCL)
    • CICS
    • IMS
    • MQ and distributed systems
Required Qualifications:

  • 712 years of mainframe experience
  • 35 years in DB2 Systems Programming / Administration
  • Experience with IBM DB2 for z/OS and Replication products (Qrep SQLrep and CDC) - software installation version upgrades and maintenance certification testing documentation of operational procedures disaster recovery testing
  • Deep knowledge of:
    • ZPARMs and subsystem configuration
    • Buffer pools logs BSDS catalog/directory
  • Strong troubleshooting skills for:
    • System-level DB2 issues
    • Performance and connectivity problems
  • Proficiency in:
    • JCL TSO/ISPF SDSF
    • SMP/E (preferred)
Preferred Qualifications:

  • Familiarity with:
    • DB2 utilities and performance tools
    • Monitoring tools (OMEGAMON MainView)
  • Knowledge of:
    • DevOps tools for mainframe (Endevor ISPW etc.)
  • Exposure to:
    • Cloud integration or hybrid architectures
  • Experience with:
    • Large-scale DB2 upgrades or migrations
    • Performance optimization initiatives
  • Knowledge of:
    • Modernization tools (z/OS Connect APIs)
  • Experience with software support for BMC for DB2 Tools IBM z/OS Connect Software AG ADABAS and Natural products
  • Programming experience with REXX
  • Working knowledge of SQL JIRA SMP/E RACF TCP/IP Network certificates Splunk
  • Working knowledge of other Mainframe Subsystems (CICS IMS MQ)

Best Regards
Naresh J Team Lead

Flexible work from home options available.




WELCOME TO IPOLARITY LLC

IPolarity LLC. is a Professional Services firm composed of highly trained professionals with a wide range of experience in various industries. We provide our clients in key industry verticals with focused expertise in IT Solution Application Development Application Maintenance Testing services and Systems Integration. IPolarity LLC integrates expert industry knowledge process and technology frameworks strong partnerships and a reliable work force to provide strategic solutions that generate sustainable results. We are able to leverage our expertise via a flexible delivery model which includes onsite and offsite resources.



Required Experience:

Unclear Seniority

Mainframe DB2 Systems ProgrammerPhoenix AZ (Hybrid)Plano TXCharlotte NCRichmond VAJacksonville Beach FLPennington NJChicago ILThe Role:We are seeking a highly skilled Mainframe DB2 Systems Administrator to manage and support DB2 for z/OS subsystems in a mission-critical enterprise environment. This ...