Mainframe DB2 Systems Programmer
Zensark Inc
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Job Details
Skills
- DB2 for z/OS subsystems
- upgrades
- patching (PTFs/APARs)
- and system maintenance
- o ZPARMs (DSNZPARM)
- o Buffer pools
- o Logs and BSDS
- o Catalog and directory
- o DB2 Data Sharing environments (Sysplex)
- o Coupling Facility integration
- o Workload balancing and failover
- o Subsystem failures
- o Dumps
- logs
- and abends
- o Connectivity issues affecting DB2 operations
- o Batch (JCL)
- o CICS
- o IMS
- o MQ and distributed systems
- Qrep
- SQLrep and CDC
- OMEGAMON
- MainView
- IBM z/OS Connect
- Software AG ADABAS and Natural products
- • Programming experience with REXX
- SQL
- JIRA
- SMP/E
- RACF
- TCP/IP
- Network certificates
- Splunk
Summary
Mainframe DB2 Systems Programmer
Location : Chandler, AZ, Plano, TX & Charlotte, NC, NY
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.
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:
o ZPARMs (DSNZPARM)
o Buffer pools
o Logs and BSDS
o Catalog and directory
Performance & Capacity Management
· Monitor and tune DB2 system-level performance (CPU, memory, I/O)
· Optimize:
o Buffer pools
o Locking and concurrency
o Thread and connection performance
· Support capacity planning and performance analysis using DB2 and system tools
High Availability & Data Sharing
· Manage and support:
o DB2 Data Sharing environments (Sysplex)
o Coupling Facility integration
o Workload balancing and failover
· Ensure DB2 availability and resilience through DR strategies
System Maintenance & Troubleshooting
· Analyze and resolve:
o Subsystem failures
o Dumps, logs, and abends
o Connectivity issues affecting DB2 operations
· Perform root cause analysis and implement preventive actions
· Support interaction with:
o Batch (JCL)
o CICS
o IMS
o MQ and distributed systems
Required Qualifications:
· 7–12+ years of mainframe experience
· 3–5+ 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:
o ZPARMs and subsystem configuration
o Buffer pools, logs, BSDS, catalog/directory
· Strong troubleshooting skills for:
o System-level DB2 issues
o Performance and connectivity problems
· Proficiency in:
o JCL, TSO/ISPF, SDSF
o SMP/E (preferred)
Preferred Qualifications:
· Familiarity with:
o DB2 utilities and performance tools
o Monitoring tools (OMEGAMON, MainView)
· Knowledge of:
o DevOps tools for mainframe (Endevor, ISPW, etc.)
· Exposure to:
o Cloud integration or hybrid architectures
· Experience with:
o Large-scale DB2 upgrades or migrations
o Performance optimization initiatives
· Knowledge of:
o 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)
- Dice Id: 91129047
- Position Id: 9090788
- Posted 1 day ago
Company Info
About Zensark Inc
One way to think of zen is this: a total state of focus that incorporates a total togetherness of body and mind. Zen is a way of being. It also is a state of mind.
Zensark tries to bring these same principles of zen to building software
Zensark is a technology services company with a footprint in the US and India. Zensark brings over a decade of experience in software development, integration, strategy development and deployment. Zensark started its journey by building healthcare related software and services. In the last 18 months, aligning to changing the business landscape and new opportunities, Zensark has forayed into solving new age business problems in fields such as Voice Analytics, Conversational AI and Video Interviews.
Zensark has rich experience in product engineering consulting for startups and SMBs, taking them from idea to POC to Prototype to Product. We specialize in the early perception of business use cases and potential applications of new technology. We offer custom application development as well as production support for existing solutions.
Our mission is to enhance the business growth of our customers with creative design and development, by delivering market-defining high-quality solutions that create value and competitive advantage for our clients around the world.
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