Freelance Mainframe IMS Application DBA (IMS DBA Analyst)

We are looking for an experienced Mainframe IMS Application DBA / IMS DBA Analyst to support mission-critical IMS database environments running on IBM z/OS . The ideal candidate should have strong hands-on experience in IMS Database Administration, performance tuning, database recovery, IMS utilities, and troubleshooting in high-availability enterprise environments. Location: Remote Engagement: Part-Time / Freelance Experience: 5 Years ️ Technology: IBM z/OS | IMS DB | IMS DBA | HALDB | Fast Path | Full Function Key Responsibilities • Install, configure, maintain, and support IMS DB environments • Administer Full Function, Fast Path, and HALDB databases • Perform database definition, allocation, dataset management, REORGs, and space management • Manage DBD, PSB, ACB libraries, and IMS Catalog • Execute IMS utilities including Load/Unload, Reorganization, Image Copy, and Recovery • Perform Image Copy Recovery and Point-in-Time (PIT) Recovery • Troubleshoot database abends such as Uxxxx and S0Cxx • Investigate data corruption, integrity issues, space constraints, and application-related database issues • Perform IMS database performance monitoring and tuning • Support physical database design and database builds • Work closely with Application Development, IMS System Programming, and Operations teams • Provide independent application development and database support • Create technical solution designs, process flows, and procedural documentation Mandatory Skills ✅ 5 years of IMS DBA experience in IBM z/OS environments ✅ Strong hands-on experience with IMS DB ✅ Experience with Full Function, Fast Path & HALDB ✅ Knowledge of Secondary Indexing & Logical Relationships ✅ Experience with IMS Database Performance & Tuning ✅ Strong knowledge of IMS Database Backup & Recovery ✅ Hands-on experience with IMS utilities ✅ Experience with DBD, PSB, ACB & IMS Catalog ✅ Experience troubleshooting IMS database abends and data integrity issues ✅ Strong z/OS, JCL, TSO/ISPF & SDSF knowledge ✅ Experience supporting batch and online IMS DB/DC environments ✅ Knowledge of Sysplexed Data Sharing ✅ Experience with database monitoring and troubleshooting Good to Have • BMC IMS utility and monitoring tools • OMEGAMON / MainView • REXX scripting and automation • IMS integration with DB2, CICS, MQ • z/OS Connect / IMS modernization • Data replication and integration solutions • Large-scale IMS database migration/consolidation • ISPW / ServiceNow • VISIO • Experience in SOX / PCI or other regulated environments