> Markdown version of [/jobs/ext/3454408-mainframe-db2-database-administrator](https://www.wearedevelopers.com/jobs/ext/3454408-mainframe-db2-database-administrator). 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 Database Administrator - **Company:** TECHNOLOGIX INC. - **Location:** United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Unix, Customer Information Control System (CICS), Client Access Licensing, Databases, Data Sharing, IBM DB2, Database Connection, Linux, Z/OS, System Availability, Performance Monitor - **Published:** September 30, 2026 - **Apply:** https://www.thejobnetwork.com/job/71c41b94-b24d-4c9f-9960-7451aa0b12d3/principal-mainframe-db-database-administrator ## About the Role n \n * Must have 4 years of progressive experience as a mainframe DB2 DBA. \n * Extensive, demonstrable experience in the administration and architecture of DB2 for LUW (Linux, Unix, Windows) environments, complementing the z/OS experience.. \n * Proven expertise in using DB2 performance monitoring and tuning tools (both IBM and third-party) to manage buffer pools, I/O operations, locking mechanisms, and run time statistics. \n * Solid knowledge of cross-platform database connectivity, specifically DB2 Connect and its configuration for remote client access. \n * Deep understanding of DB2 Data Sharing principles, setup, and maintenance for high availability and scalability. \n * Functional knowledge of DB2 internals, tools, and their usage. \n * Understanding of replication services(Q-Replication, CDC Replication). \n * Functional knowledge of database interfaces (connection/batch/CICS/DB2/MQ/distributed). \n * Functional knowledge of z/OS systems. \n * Operating system general knowledge for Windows/Unix/Linux. \n * Excellent communications and interpersonal skills. \n * Ability to work unsupervised and independently seek out and interact with colleagues and outside vendors. \n * Excellent problem-solving skills. ## Description The Mainframe DB2 DBA provides support with installation, modification, maintenance, testing, analysis, and performance of applications using mainframe DB2 databases., * Act as a Principal/Lead DBA for complexDB2 environments on both z/OS and Distributed (LUW - Linux, Unix, Windows) platforms, providing senior-level guidance and mentorship. ## Related Videos - [Unlocking the Power of the Mainframe: Developing modern applications on z/OS](https://www.wearedevelopers.com/videos/764-unlocking-the-power-of-the-mainframe-developing-modern-applications-on-z-os) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) ## Related Articles - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Should Tech Managers Be Developers First? Pros and Cons](https://www.wearedevelopers.com/magazine/327-should-tech-managers-be-developers-first-pros-and-cons)