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IMS Systems Programmer

IMS Systems Programmer


• Fulfill customer service requests for mainframe z/OS customers in a timely manner as they pertain to IMS and related OEM software products.

• Provide primary support for reported problems related to IMS and related OEM software products.

• Provide support on 24 x 7 x 365 basis across multiple time zones.

• Follow procedures for installing OEM software products efficiently and according to best practices and Ensono standards (for productivity/scalability purposes).

• Provide key support for customer migration services (new customer transitions) as they pertain to IMS and related OEM software products.

• Assist the assigned project manager in the migration of newly acquired customers such that all technical hurdles are addressed in a timely manner and do not impede the expected progress of the transition nor the targeted migration date.

• In joint cooperation with the Disaster Recovery Services, successfully execute tasks associated with any given customer’s disaster recovery plans.

• Adhere to a schedule that efficiently manages resources and allows timely implementations.

• Follow ITSM change control procedures


•Bachelor’s degree required and/or equivalent work experience.

•10+ years of professional experience in IMS for administration and systems programming support.  CA and IBM tools for IMS a plus

•Extensive experience with the following:

  • Knowledge in best practices of software management, maintenance and documentation
  • Configure and manage IMS in a parallel sysplex environment
  • Develop innovation, strategies, processes and  best practices in IMS systems programming
  • Reviewing new versions of IMS for functionality, advising how they benefit the client
  • Troubleshooting and solving of IMS System and database issues
  • Evaluating change requests and determine impact to assigned clients
  • Vendor consultations for problems and questions
  • DR recovery of application objects
  • Troubleshooting and solving production database issues
  • Supporting multiple customer for after hours on-call
  • Database Administration
    • Knowledge of IMS database organization using access methods of VSAM and OSAM
    • Full function database organization types: HSAM, HISAM, SHISAM, HDAM, HIDAM, INDEX, GSAM
    • Definition and use of LOGICAL databases: HALDB (partitioned):  PHDAM, PHIDAM, ILDS, PSINDEX, etc.
    • Knowledge of Fast Path databases (DEDBs)
    • Database Design and related utilities
    • DBD source coding and DBDGEN
    • PSB source coding and PSBGEN
    • How databases are processed using secondary indexes (PROCSEQ=)
    • Correct usage of PROCOPT= to minimize database locking
    • Understanding of path calls
    • Understanding of bi-directional logical relationships
    • Understanding and use of Data Set Groups
  • IMS commands related to ACB and FORMAT changes
  • Coding and usage of IMS reorganization utilities (including IBM, BMC, CA)
  • Support planned (disaster recovery) and unplanned (emergency) database recovery activities
  • Knowledge of log archive and change accumulation utilities
  • How to perform a log archive on demand              
  • Knowledge of IMS DB recovery utility
  • How to use DBRC to generate JCL for forward recovery and point-in-time database recovery.
  • Identification and resolution of performance issues 
  • Online tracing – Usage of IMS TRACE commands and associated utilities for spot monitoring of online program/transaction activity
  • A solid working knowledge of SMP/E and its role in the installation process
  • Solid understanding of IMS database structures
  • Understanding of IMS connect
  • Understanding of MFS for IMS message formatting
  • Understanding and use of Compression routines
  • Understanding and use of Randomizers
  • Strong JCL skills
  • Understanding and use of Assembler
  • Understanding of exits in the install process
  • Understanding and use of the IRLM in a data sharing environment
  • Extracting information from IMS logs
  • Using DBRC to monitor database activity

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