Senior Db2 for z/OS Systems Programmer
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Job Description
Senior Db2 for z/OS Systems Programmer managing lifecycle and performance of Db2 for healthcare systems. Operating in a large-scale data sharing environment with 24/7 availability requirements.
Responsibilities:
- Responsible for performance, availability, and lifecycle management of Db2 for z/OS subsystems supporting high-volume, mission-critical Medicaid and healthcare systems.
- Operate in a large-scale data sharing environment with heavy distributed (DDF) workloads, strict audit controls, and 24x7x365 availability requirements.
- Analyze DDF activity, connection pooling, and thread usage
- Tune buffer pools, EDM pool, and memory usage
- Resolve locking, latching, and concurrency issues
- Identify performance degradation and implement solutions
- Provide proactive performance recommendations
- Develop daily/weekly/monthly reports using SMF/RMF data
- Analyze CPU utilization, transaction volumes, and workload trends
- Highlight anomalies and emerging risks
- Translate technical metrics into user-friendly reports for leadership
- Install and configure Db2 subsystems and tools
- Apply RSUs, PTFs, and HIPER maintenance
- Execute Db2 version upgrades aligned with IPL windows
- Perform validation and ensure system stability post-upgrade
- Participate in DR exercises ensuring full system recovery
- Validate image copies and backup integrity
- Ensure recoverability of all critical tablespaces
- Support audit requirements and documentation
- Lead root cause analysis for system and performance issues
- Investigate DDF spikes, CPU anomalies, and contention issues
- Collaborate with application, storage, and z/OS teams
- Interface with IBM support when needed
- Create and manage ServiceNow change records
- Ensure proper approvals and scheduling
- Communicate changes to stakeholders
- Maintain compliance with production standards
Requirements:
- 10+ years of related experience
- Strong expertise in data sharing and DDF environments
- Experience with SMF/RMF analysis and performance tuning
- Proficiency with SAS and Excel for reporting
- Deep knowledge of Db2 internals and architecture
- Experience with Omegamon
- Working knowledge of the following: • ZOS • MVS • SMPE • TSO ISPF • SDSF • IFCID • SQL • EXPLAIN • Cobol • Db2 Connect • Bind • Catalog • Db2 Utilities
- Ability to provide on-call support 24x7 due to potential outage penalties
- Capability for off-hours work for maintenance and upgrades
- Bachelor of Arts/Bachelor of Science in Computer Science or related field
Benefits:
- Comprehensive benefits and wellness packages
- 401K with company match
- Competitive pay and paid time off
- Full-flex work week to own your priorities at work and at home
- A variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
- 15 days of paid leave per calendar year
- An additional 10 paid holidays per year
- Short and long-term disability benefits
- Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance
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