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:
Know ledged 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
Establishing policies and procedures pertaining to database management, DR, security, maintenance and utilization
Reviewing new versions of IMS for functionality, advising how they benefit the client
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
Demonstrated ability to respond quickly and effectively to support requests from multiple clients
Supporting multiple customer for after hours on-call
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.
Fast Path databases (DEDBs)
Database Design and related utilities
DBD source coding and DBDGEN
PSBGEN source coding and PSBGEN
How databases are processed using secondary indexes (PROCSEQ=)
Correct usage of PROCOPT= to minimize database locking
IMS commands related to ACB and FORMAT changes
Coding and usage of IMS reorganization utilities (including IBM, BMC, CA)
Secondary index build
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.
Database dataset space reporting for proactive outage avoidance.
How to immediately fix an out of space condition for a VSAM database dataset
Identification and resolution of performance issues
Online tracing – Usage of IMS TRACE commands and associated utilities for spot monitoring of online program/transaction activity
Extracting information from IMS logs using DFSERA10 and related utilities DFSUTR20 and DFSUTR30
Use of DFSDDLT0 utility to access data
Program/transaction monitoring – Familiarity with usage of IBM’s IMS performance Analyzer product is a plus
Using DBRC to monitor database activity
Roles and Responsibilities:
The successful candidate will perform mainframe database software upgrades coupled with administration and tuning to support our customers’ IMS environments.
The individual will need to work with vendor personnel to achieve timely solutions of database problems.
The individual will be responsible for day-to-day database maintenance such as creating backups, performing restores, monitoring file extent growth, scheduling reorganizations, creating and maintaining DR procedures and overall support of customer needs and requests.
The successful candidate will be called upon to perform a variety of database optimizations that will include general reporting and analysis of the efficiency of the database configuration and periodic review of database performance.
Expertise and work efforts will focus on the development and support and/or the customization of new services and support efforts.
System programming knowledge of multiple DBMS’s is a bonus.
The individual will need to participate in on-call responsibilities.