DBA Level II (DB2 for z/OS and SQL)

DBA Level II (DB2 for z/OS and SQL)

Location:

Marysville, OH (Hybrid of onsite 4 days/week along with 1 day/week remote) Contract Duration 12 months with possibility of an extension This DBA will serve as the primary DB2 for z/OS DBA contact during application onboarding, upgrades, and major enhancements. They will meet with the application teams to understand requirements and recommend high-level direction and approach to upcoming projects.

Responsibilities will include the following:

Perform the fine-tuning database systems to enhance performance, scalability, and reliability. This includes monitoring and optimizing database query performance, indexing, and database caching. Monitor database performance using built-in tools and third-party solutions. Identify and resolve performance bottlenecks through query optimization, index tuning, and configuration adjustments. Utilize monitoring tools to track database health, performance metrics, and security events. Set up alerts to notify administrators of potential issues. Monitor DB2 subsystem performance (CPU, I/O, buffer pools, locking, queries). Analyze and resolve performance issues using tools such as Omegamon, EXPLAIN, RMF, SMF, and native DB2 utilities. Perform SQL performance tuning and index optimization in collaboration with application teams. Plan and execute DB2 maintenance activities including PTFs, service packs, and version upgrades. Proactively identify risks and improvement opportunities to ensure high availability and reliability.

Required Skills and Expertise:

5 10 years of hands on DB2 for z/OS (Manufacturing) DBA experience in large enterprise environments. Experience supporting critical production systems with 24x7 availability requirements. Strong experience in performance tuning, database utilities, and mainframe operations. Experience working on large scale projects and coordinating with cross functional teams. Deep knowledge of DB2 z/OS architecture, subsystems, utilities, logging, and recovery. Strong SQL tuning and execution plan analysis skills. Experience with monitoring tools (e.g., Omegamon) and mainframe performance metrics. Understanding of z/OS concepts including datasets, JCL, batch processing, and scheduling. Strong knowledge of SOX, audit processes, and database security best practices.