(Senior Mainframe DBA) - Zions

Location: Salt Lake City, UT Salary: $50.00 USD Hourly - $58.00 USD Hourly Description:
Mainframe DB2 DBA
Location: Salt Lake City, UT
Duration: Contract | Open
Mode of Interviews: Virtual Interview
Work Arrangement: Onsite
About the Role
We are looking for an experienced Mainframe DB2 DBA to join our enterprise database team. In this role, you will be responsible for ensuring the performance, availability, security, and reliability of mission-critical IBM DB2 for z/OS environments. You will work closely with application teams, architects, QA, DevOps, offshore resources, and business stakeholders to design, administer, tune, and support large-scale production databases that power core business applications.
What You'll Do
Database Design & Administration

• Design, create, and maintain DB2 databases, tablespaces, indexes, views, storage groups, and related objects.
• Translate logical data models into efficient physical database designs.
• Execute DDL implementations and manage schema changes through complex ALTER activities.
• Implement and maintain Universal Table Spaces (PBG/PBR).
• Design indexing strategies to optimize access paths and overall database performance.

Performance Tuning & Optimization

• Analyze, troubleshoot, and resolve DB2 performance issues.
• Monitor SQL performance, locking conflicts, buffer pools, and access path efficiencies.
• Review EXPLAIN output and recommend performance improvements.
• Optimize complex SQL queries to reduce CPU consumption and improve application response times.
• Leverage Real Time Statistics (RTS) to proactively manage database health.

Production Support & Operations

• Execute and monitor DB2 utilities including RUNSTATS, REORG, COPY, RECOVER, LOAD, and UNLOAD.
• Manage VSAM datasets, storage allocation, PRIQTY, and SECQTY settings.
• Develop and maintain JCL and REXX automation scripts.
• Support production incidents, perform root cause analysis, and drive issue resolution.
• Manage DB2 command-level operations and database statuses.

Security, Backup & Recovery

• Administer DB2 security through GRANT and REVOKE processes.
• Support audit, compliance, and enterprise security standards.
• Develop and execute backup, recovery, and disaster recovery strategies.
• Manage image copies, logs, and restoration procedures.
• Participate in production readiness reviews and recovery testing exercises.

Collaboration & Leadership

• Serve as the primary onsite DB2 DBA point of contact.
• Collaborate with developers, architects, SMEs, QA teams, and offshore resources.
• Provide technical mentorship and knowledge transfer to team members.
• Support releases, deployments, upgrades, and modernization initiatives.
• Document operational procedures, recovery plans, and database standards.

Minimum Qualifications

• Bachelor's degree in computer science, Information Systems, Computer Engineering, or related field; equivalent experience considered.
• 6+ years of hands-on experience in Mainframe Database Administration.
• Strong expertise in IBM DB2 for z/OS administration and support.
• Experience with DB2 utilities including RUNSTATS, REORG, COPY, RECOVER, LOAD, and UNLOAD.
• Experience tuning SQL and resolving access path and performance issues.
• Working knowledge of COBOL, JCL, CICS, and VSAM.
• Experience supporting multiple enterprise applications in large production environments.
• Experience coordinating with offshore teams and providing technical guidance.

Preferred Qualifications

• Experience with Endevor.
• Exposure to mainframe debugging and diagnostic tools.
• Experience supporting large-scale modernization or database transformation programs.
• Knowledge of automation, scripting, monitoring, and continuous improvement practices.
• Consulting or customer-facing experience in enterprise technology environments.

Medical, dental, and vision insurance are available to qualified candidates who meet eligibility requirements.
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