Senior Mainframe DBA

As a Mainframe DB2 DBA, you will help ensure the performance, stability, security, and availability of enterprise database environments. Your responsibilities will include:

Database Design and Architecture

. Serve as the primary onsite point of contact for DB2 database administration and related activities.

. Collaborate with application developers and architects to translate logical data models into efficient physical DB2 database designs.

. Execute DDL for the creation and modification of tables, views, storage groups, and other database objects.

. Safely manage schema evolution through complex DB2 ALTER activities.

. Implement and maintain Universal Table Spaces, including PBG and PBR structures, to support effective storage and partitioning strategies.

. Design, create, and manage DB2 indexes to support data integrity and optimize application access paths.

Performance Tuning and Monitoring

. Write, review, and tune complex SQL queries to improve application performance and minimize CPU consumption.

. Monitor and troubleshoot DB2 performance issues, including access path concerns, locking, buffer pools, and SQL execution.

. Analyze EXPLAIN output and other diagnostic information to identify performance bottlenecks and recommend corrective actions.

. Use Real Time Statistics (RTS) to monitor database health and schedule maintenance activities proactively.

. Support performance optimization and continuous improvement initiatives across production environments.

Database Operations and Automation

. Execute and monitor DB2 utilities, including LOAD, UNLOAD, REORG, RUNSTATS, COPY, and RECOVER.

. Manage DB2 space allocation, including PRIQTY and SECQTY, and monitor VSAM datasets to help prevent storage shortages.

. Develop and maintain JCL and REXX scripts to automate batch processing and routine DBA activities.

. Use DB2 command level functions to manage database threads, statuses, and operational activities.

. Leverage DB2 administration and monitoring tools, such as DB2 Admin Tool and Query Monitor, to support efficient database management.

. Provide production support, investigate incidents, perform root cause analysis, and coordinate timely issue resolution.

Security and Business Continuity

. Administer DB2 security, including GRANT and REVOKE privileges, in alignment with enterprise access policies.

. Support database security, audit, compliance, and data protection requirements.

. Develop, test, and execute disaster recovery strategies to support business continuity.

. Manage image copies, DB2 logs, backup processes, and recovery activities to help ensure timely restoration following an outage.

. Participate in production readiness reviews, recovery exercises, and operational support activities.

Collaboration and Delivery

. Coordinate with architects, SMEs, development teams, QA, DevOps, integration teams, offshore resources, and third party vendors.

. Provide technical guidance and knowledge transfer to team members and offshore delivery teams.

. Support application releases, database changes, maintenance activities, and production deployments.

. Document database designs, operating procedures, troubleshooting steps, and recovery processes.

. Communicate technical issues, risks, recommendations, and status updates clearly to both technical and non-technical stakeholders.

Bachelor’s degree in Computer Science, Computer Engineering, Information Systems, or a related technical discipline. Equivalent technical experience may be considered.

. At least six years of experience in mainframe database administration, maintenance, and production support.

. Strong hands-on experience administering IBM DB2 for z/OS, including database design, performance monitoring and tuning, backup and recovery, security, and production support.

. Working knowledge of mainframe technologies, including COBOL, JCL, CICS, and VSAM, and an understanding of how applications interact with DB2 databases.

. Experience with DB2 utilities and administration activities, including RUNSTATS, REORG, COPY, RECOVER, LOAD, and UNLOAD.

. Experience analyzing and resolving DB2 performance issues, including SQL performance and access path concerns.

. Experience supporting multiple applications within a large enterprise or production environment.

. Experience coordinating with offshore teams and providing technical direction or guidance.

. Strong analytical, troubleshooting, and problem-solving skills.

. Excellent written, verbal, and interpersonal communication skills.

. Demonstrated initiative, sound judgment, and the ability to make informed technical decisions.

. Ability to evaluate and recommend solutions for moderate to complex database and production support issues.

. Ability to work onsite in Salt Lake City and collaborate directly with client and delivery teams.

. Availability to participate in on call support activities.

Preferred Qualifications

. Experience with Endevor.

. Experience using mainframe debugging and diagnostic tools.

. Experience supporting large scale enterprise modernization or database transformation initiatives.

. Familiarity with automation, scripting, monitoring, and continuous improvement practices.

. Consulting or client facing experience in a technology services environment.

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.