IMS Database Administrator (DBA)

Job Title: Senior Platform Developer- IMS Database Administrator (DBA)

Work Location: Remote

Employment Type: Full-Time

Position Summary

The Senior Platform Developer – IMS Database Administrator (DBA) will be responsible for the technical configuration, administration, architecture, security, and performance optimization of IBM Information Management System (IMS) databases within a complex enterprise mainframe environment. The role will ensure high database availability, hierarchical data integrity, efficient access performance, and seamless integration across mission-critical applications, including MFS-based screens, automated programmatic interfaces (APIs), batch processing, real-time transactional systems, and web/online front-end applications. The ideal candidate will possess strong hands-on expertise in IMS database administration, performance tuning, database maintenance and recovery, and the generation and management of IMS database definitions and control structures. The position will also support IMS database components and interfaces associated with the Mercator/ITX environment, including coordination and troubleshooting across IBM mainframe and AIX-based Mercator/ITX components.

Required Skills and Qualifications   

·        5–10+ years of senior-level, hands-on IBM IMS Database Administration experience within large, mission-critical enterprise mainframe environments, including IMS DB/DC, IMS Database Manager, and IMS Transaction Manager (IMS TM).

·        Strong technical knowledge of IMS database architecture, hierarchical database structures, technical configuration, administration, and database access methods.

·        Demonstrated expertise in IMS database performance tuning, system optimization, space utilization, storage management, and database maintenance.

·        Hands-on experience with IMS database repair, backup, restoration, and recovery using DBMS-specific software and utilities.

·        Proficiency in using the IMS Data Dictionary, including the generation, maintenance, and management of Database Definitions (DBDs), Program Specification Blocks (PSBs), and Access Control Blocks (ACBs).

·        Experience supporting IMS database integration with MFS-based screens, APIs, batch processing, real-time transactional systems, and web/online front-end applications.

·        Working knowledge of IBM mainframe environments, IMS database security, access management, and production support operations.

·        Strong working knowledge of IBM z/OS, JCL, TSO/ISPF, IMS DB/DC, IMS Transaction Manager (IMS TM), and IMS operational commands and utilities required to administer and support enterprise IMS environments.

·        Hands-on experience with IMS Database Recovery Control (DBRC), RECON datasets, image copy, database recovery, restart, reorganization, and related IMS database maintenance and recovery utilities.

·        Strong analytical, problem-solving, troubleshooting, documentation, and communication skills, with the ability to work effectively across technical and application development teams.