z/OS DBA/Systems Admin - W2 ONLY - JRU

Description:

WANTS 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. Key Responsibilities Meet with application teams to understand requirements and recommend high-level direction and approach to upcoming projects. 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. What Will the Person Be Working On Act as the primary DBA contact during application onboarding, upgrades, and major enhancements. 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.