> Markdown version of [/jobs/ext/4690220-db2-z-os-dba](https://www.wearedevelopers.com/jobs/ext/4690220-db2-z-os-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). --- # DB2 z/OS DBA - **Company:** Robert Half - **Location:** Marysville, OH, United States - **Experience:** Expert - **Contract:** Contract - **Skills:** Batch Processing, Databases, Continuous Availability, IBM DB2, Database Security, Job Scheduling, Operational Databases, SQL Databases, Subsystems, Z/OS, Data Logging, Database Optimization, Omegamon, Sql Tuning, Database Tools and Utilities - **Published:** November 12, 2026 - **Apply:** https://www.dice.com/job-detail/7d518afb-5671-4715-8acf-2f5462be513c ## About the Role 5-10 years of hands-on experience with DB2 for z/OS in large enterprise environments, preferably within manufacturing or automotive settings. Proven background supporting production database systems that require continuous availability and dependable operational performance. Strong expertise in database performance tuning, utility execution, and execution plan analysis for complex SQL workloads. Deep understanding of DB2 for z/OS architecture, including subsystems, utilities, logging, and recovery concepts. Experience with monitoring platforms such as Omegamon and familiarity with interpreting mainframe performance metrics. Working knowledge of z/OS concepts, including datasets, batch processing, and job scheduling practices. Solid understanding of database security controls, audit considerations, and operational best practices. Ability to collaborate effectively across technical teams while contributing to planning and delivery for large-scale projects., All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. ## Description We are looking for a DBA SQL Level II to support database administration and performance improvement efforts for an automotive environment in Marysville, Ohio. This is a Long-term Contract position requiring an onsite presence four days per week, where you will partner with application and infrastructure teams to guide database-related initiatives and maintain reliable production operations. The role focuses on strengthening availability, scalability, and security across critical database platforms while helping teams make sound technical decisions for upcoming work., Partner with application stakeholders to gather business and technical needs, then recommend practical database strategies for new and evolving projects. Improve database efficiency by analyzing workloads, refining SQL performance, and enhancing indexing, caching, and configuration settings. Oversee database health through ongoing monitoring, using platform-native and third-party tools to identify trends and address emerging risks. Investigate and resolve performance constraints by tuning queries, adjusting system parameters, and applying appropriate database utilities. Establish and maintain alerts for availability, performance, and security conditions so issues can be addressed before they affect operations. Support highly available production databases in a large enterprise setting, ensuring stable service for mission-critical workloads. Contribute to recovery readiness by maintaining knowledge of logging, backup, and restoration processes aligned with mainframe database operations. Work closely with cross-functional teams on large-scale initiatives, coordinating database activities, timelines, and technical dependencies.