Mainframe DB2 DBA – z/OS

Job Summary
BHR Code is hiring experienced Mainframe DB2 DBAs with strong expertise in DB2 z/OS administration, performance tuning, database maintenance, and mainframe database operations.
The ideal candidate should have hands-on experience managing enterprise DB2 environments, performing database optimization activities, supporting high availability solutions, and troubleshooting production database issues.

Role Overview
The Mainframe DB2 DBA – z/OS will be responsible for managing, maintaining, and optimizing mission-critical DB2 database environments running on IBM mainframe platforms.
This role requires strong knowledge of DB2 administration, performance monitoring, backup/recovery processes, database utilities, and mainframe navigation.
The candidate will work closely with application, infrastructure, and operations teams to ensure database stability, availability, and performance.

Key Responsibilities
Perform DB2 z/OS database administration activities.
Manage DB2 objects including databases, tablespaces, indexes, and utilities.
Perform DB2 performance monitoring and tuning.
Execute database maintenance activities including: RUNSTATS
REORG
Image Copies
Monitor database availability and resolve production issues.
Support backup and recovery operations.
Perform database health checks and capacity analysis.
Troubleshoot DB2 performance and operational issues.
Support High Availability (HA) and Disaster Recovery (DR) activities.
Navigate and manage mainframe environments.
Work with z/OS teams for database-related operations.
Maintain technical documentation and operational procedures.

Mandatory Skills
7–12+ years of experience in DB2 Database Administration.
Strong experience with:
✅ IBM DB2 z/OS Administration
✅ DB2 Performance Tuning
✅ RUNSTATS
✅ REORG
✅ Image Copies
✅ Database Maintenance
✅ Backup & Recovery
✅ HA/DR Concepts
✅ Mainframe Navigation
Experience supporting enterprise production environments.

Good To Have Skills
Shell scripting
Python scripting
Database automation
Mainframe operational support experience
Performance monitoring tools

Experience Required
7–12+ Years