Overview
Skills
Job Details
Job Title: Mainframe IMS Admin L3
Location: Plano, TX (Onsite)
Rate: Competitive (Contact for details)
Client: Contact for details
Key Responsibilities:
Support IMS DB/DC systems at the L3 level (design, config, tuning).
Handle IMS utilities, backups, recovery, and online/offline maintenance.
Provide expert-level guidance to lower support tiers.
Work with DBAs, application teams, and infrastructure units.
Participate in IMS upgrades, Sysplex planning, and automation.
Required Skills:
10+ years IMS DBA/Systems Admin experience.
Deep understanding of IMS Control Region, MFS, PSBs, and DBDs.
Strong skills in utilities like DFSDDLT0, DFSUDMP0, and recovery tools.
Proficient with performance tuning, DR, and BMC tools for IMS.
Technical Skills Required:
< data-start="170" data-end="218"> IMS (Information Management System):</>IMS DB/DC administration experience
Deep understanding of:
IMS Control Region
Message Format Service (MFS)
Program Specification Blocks (PSBs)
Database Descriptors (DBDs)
Experience with critical utilities like:
DFSDDLT0
DBDGEN utilityDFSUDMP0
Dump utility for IMSIMS Backup & Recovery utilities (e.g.,
DFSUDR00
,DFSURGU0
)
Working knowledge of BMC Tools for IMS (e.g., BMC AMI IMS Database Tools, BMC Recovery Solutions)
IMS system tuning (e.g., buffer pool tuning, PSB performance)
IMS application performance analysis
Disaster Recovery (DR) planning and execution
Experience in IMS system design, configuration, and upgrades
Working with online/offline maintenance tasks
Familiarity with Sysplex environments and automation
Ability to provide L3 support
Work with DBAs, Application Developers, Infrastructure, and Operations teams
Mentor and guide lower-tier support personnel
BonNice-to-Have:
Knowledge of:
RACF (security)
JCL and TSO/ISPF
Automation tools for IMS
Monitoring tools (OMEGAMON for IMS, MainView)