Director, Mainframe DB2 Performance and Capacity

Fidelity Financial Services

Confirmed live yesterday High trust

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Work type
On-site
Location
Westlake, TX
Posted
10 days ago
Freshness
Confirmed live yesterday

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Similar $213k
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About Fidelity Financial Services

Fidelity Investments is one of the largest financial services companies in the world, offering brokerage services, mutual funds, retirement planning, wealth management, and life insurance to individuals and institutions. Industry: Financial Services & Investment Management

Fidelity Financial Services currently has 24 open roles on FindRole.

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TL;DR · Director, Mainframe DB2 Performance and Capacity

Director, Mainframe DB2 Performance and Capacity The Director, Mainframe DB2 Performance and Capacity joins the Mainframe Capacity and Performance team to lead technical analysis for large-scale IBM z Systems infrastructure. This role focuses on the DB2 for z/OS performance and capacity domain, where you will perform capacity modeling, system configuration tuning, and proactive monitoring for critical online and batch applications. You will manage complex multi-tier systems involving CICS, MQ, and cloud-to-mainframe integration while addressing issues like buffer pool management, WLM optimization, and replication impacts. To succeed, you must master DB2 architecture, z/OS subsystems, and tools including SMF, RMF, SYSVIEW, Broadcom Detector, Grafana, Power BI, Python, and SQL. You will translate technical findings into executive recommendations to balance performance, resiliency, and cost while leading engineers through high-severity incidents and large-scale modernization initiatives across the enterprise infrastructure.

What you'll do

  • Lead DB2 for z/OS performance and capacity analysis across production, non-production, and business-event scenarios.
  • Analyze DDF/DBAT behavior, including connection patterns, program attribution, and buffer pool management.
  • Evaluate DB2 subsystem configurations and tuning opportunities such as ZPARMs, lock contention, and workload concurrency.
  • Perform SQL and package analysis to identify high CPU usage, access path changes, and regression findings.
  • Develop forecasting models that link business KPIs to DB2 consumption, MIPS impact, and modernization activity.
  • Lead production incident analysis and problem management for critical performance and resiliency events.
  • Translate complex technical findings into concise reports and actionable recommendations for senior leadership.
  • Provide technical governance for major initiatives including z/OS upgrades, migrations, and cloud integration projects.

What we're looking for

  • 10 plus years of technology experience in IBM z/OS and DB2 for z/OS performance, capacity, systems programming, or database engineering.
  • Deep expertise in DB2 for z/OS architecture, including DDF, DBAT, SQL access paths, buffer pools, and subsystem behavior under stress.
  • Solid knowledge of IBM z/OS infrastructure, including Parallel Sysplex, WLM, PR/SM, LPAR configuration, and zIIP eligibility.
  • Experience analyzing SMF/RMF and DB2 performance data using tools like SAS/MXG, SYSVIEW, IntelliMagic, OMEGAMON, or Grafana.
  • Proficiency in advanced analytics and data storytelling to translate technical metrics into executive-level recommendations.
  • Experience with mainframe ecosystems including CICS, MQ, WAS, replication technologies (QRep/IIDR/CDC), and cloud-to-mainframe integration.
  • Demonstrated experience leading cross-functional technical analysis and communicating results to senior leadership.
  • Bachelor’s degree in a related field such as Computer Science or Engineering (preferred); experience may be considered in lieu of a degree.

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