IBM Z Mainframe Engineer; US-Ext

Job Summary

Company provides comprehensive hosted services for retail brokerage customers’ end‑to‑end business operations. The core of these services runs on multiple IBM Parallel Sysplex environments utilizing IBM’s DB2 z/OS in a high-performance, highly-available data-sharing configuration. This DB2 Systems Administrator Team Lead role is responsible for the installation, maintenance, and administration of the DB2 z/OS subsystem and associated support products to support the demands of the fast‑paced, time‑critical financial trading industry.

• Installation/maintenance of IBM DB2 z/OS software and related 3rd‑party products utilizing SMP/E. This includes working with IBM and other vendors to address product defects, issues, and usage questions.
• Configuration of DB2 groups and subsystems in SYSPLEX data‑sharing environment, supporting IBM CICS, batch COBOL, and distributed access applications.
• Perform problem analysis and resolution, both technical and application related.
• Performance and capacity tuning of system parameters and resources, utilizing various monitoring and reporting tools.
• Responsible for DB2 availability and recovery strategies and procedures.
• Documentation of policies and procedures in compliance with ISO 27002 standards.
• Provide mentoring and cross‑functional collaboration with business units.
• Provide secondary and level 2 support for the DBA staff on system issues, application. performance and overall DB2 issues, including being comfortable with high‑pressure, time‑sensitive environments.

• 12+ years IBM System Z experience and concepts, with considerable knowledge in the following:
  • SMP/E
  • IBM DB2 utilities, BMC Mainview for DB2 and BMC Tool Suite for DB2, particularly Detector, Subsystem analyzer, Apptune, AMI Reorg and AMI Unload/Load
  • Experience with DB2 z/OS as a distributed server
  • FLASH technology, DASD replication techniques
  • z/OS Storage management
  • RACF security management w/DB2 z/OS
  • Coupling Facility
  • Networking concepts (IP, SNA)
  • WLM concepts
  • USS - z/OS UNIX System Services
  • ‘For-Bit’ Data structures
  • REXX application programming
• 7+ years IBM DB2 experience, with advanced knowledge in the following:
  • Bufferpool/memory management
  • DB2 internal structures (RID, EDM, BPs, etc.)
  • Tablespace/Page structures / UTS
  • Backup/recovery/logging facilities and strategies
  • DB2 locking
  • ZPARMS
  • DB2 tracing/IFCIDs
• Experience in problem determination and analysis
• Analytical / critical / "outside-the-box" thinking in problem solving, especially in possible critical, high-pressure situations.

• Informatica Power Exchange & IDMC
• Java, web services, SOA concepts
• Application DBA Responsibilities
• DB2-AI and Cloud Modernization Technology