DB2 Database Administrator (DBA)
The Nippon Telegraph And Telephone Corporation (NTT)
As a DB2 DBA at NTT DATA, you design, administer, and support IBM z//DB2 environments to deliver reliable, secure data services at defined SLAs. You will collaborate with global teams to drive automation, improve operations, and ensure compliant, high-availability database services. You will contribute to modernization efforts and data center migrations while maintaining best practices in security and change governance. This role offers impact across enterprise-scale banking and financial services contexts and opportunities to shape resilient data platforms.
Responsibilities- Translate business requirements into database specifications
- Provide production support and release management for Db2 environments
- Design and maintain physical database structures and configurations
- Build and support application database releases
- Manage DB2 security (RACF/ACF2) and access controls
- Establish and maintain HA and replication for business continuity
- Support database migration, upgrades, and data conversion
- Perform root cause analysis and resolve incidents and problems
- Consult on performance monitoring, tuning, capacity planning, and optimization
- Collaborate with development, infrastructure, and support teams during releases
- Participate in infrastructure modernization and data center migration programs
- Support evergreen initiatives (upgrades, patching, compliance) and automation opportunities
- Ensure ITIL processes, change management, and governance adherence
- Provide technical leadership and knowledge sharing
- 8–12 years of hands-on IBM z/Mainframe DB2 administration and production support
- Deep DB2 architecture knowledge, backup/recovery, and performance tuning
- Experience with production support and database release management
- Strong RACF/ACF2 security administration and access management
- Experience with High Availability, Disaster Recovery, and replication technologies
- Understanding of ITIL processes (incident, change, problem) and automation initiatives
- Strong analytical, troubleshooting, and stakeholder management skills
- Leadership and ability to guide junior team members and cross-functional partners
- strong communication and collaboration across global teams
- ability to explain complex concepts to non-technical stakeholders
- problem-solving and proactive automation mindset
- IBM DB2 for z/OS Administration
- IBM z (Mainframe) Technologies
- z/OS Environment Management
Reference: WJ-747_30160446