> Markdown version of [/jobs/ext/3565821-mainframe-db2-dba](https://www.wearedevelopers.com/jobs/ext/3565821-mainframe-db2-dba). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe DB2 DBA - **Company:** Insight Global - **Location:** Hartford, CT, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Databases, IBM DB2, Mainframes, IBM Resource Access Control Facility, Z/OS, Data Logging, Transaction Processing (Computing), Cloud Platform System, Database Replication - **Published:** October 3, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3417367219&tx=KK7373FFQ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role Strong experience administering IBM Db2 for z/OS in enterprise production environments. Hands-on experience with Precisely Connect CDC (formerly SQData), including configuration, monitoring, administration, and troubleshooting. Expertise with CDC architecture and transaction-log-based replication, including source/target configuration, capture, publisher, storage, distribution, and apply processing. Experience supporting Db2 z/OS as a CDC source and managing replication configurations through table, schema, and DDL changes. Strong understanding of Db2 for z/OS logging, transaction processing, commit/rollback behavior, and their impact on replication. Ability to troubleshoot replication issues including latency, failed or missing transactions, connectivity issues, data consistency problems, and source/target synchronization failures. Experience identifying and resolving issues across the entire CDC lifecycle, including source Db2, CDC capture, transport/publisher, and target/apply components. Experience integrating mainframe data with cloud-based platforms. Knowledge of CDC restart and recovery processes. Experience supporting large-scale enterprise data replication environments. Exposure to mainframe security and infrastructure best practices. ## Description A healthcare client is looking for a Mainframe DB2 DBA to sit fully remote. The Senior Db2 for z/OS DBA / Precisely Connect CDC Engineer will support and administer CDC replication solutions that move data from IBM Db2 for z/OS environments to cloud and distributed platforms. This individual will be responsible for ensuring reliable, secure, and efficient transaction-log-based data replication while partnering with database, application, and platform engineering teams.