Senior z/OS DB2 DBA — Performance, Security & Automation

NTT Limited; Madrid; Presencial; EUR 75.000 - 110.000; Jornada completa

Descripción de la vacante

NTT DATA seeks an experienced DB2 Database Administrator (DBA) to design, administer, and support DB2 on IBM z/OS across global environments. You will ensure security, performance, and availability, while driving automation and continuous improvement in collaboration with cross-functional teams.

The role emphasizes incident resolution, release management, and alignment with ITIL processes, with a focus on modernization and data center migration initiatives within a 24x7 enterprise context.

Formación

• Typically 8-12 years Hands-on experience in IBM z/Mainframe environments with strong expertise in DB2 Database Administration, database support, performance tuning, security implementation, automation, disaster recovery, and production support.
• Deep understanding of Db2 database architecture, administration, backup and recovery procedures.
• Experience in production support and database release management.
• Expertise in database performance monitoring, tuning, troubleshooting, and optimization.
• Strong knowledge of RACF/ACF2 security administration and access management.
• Experience with High Availability, Disaster Recovery, and replication technologies.
• Good understanding of ITIL processes, incident management, change management, and problem management.
• Exposure to automation and process improvement initiatives.
• Strong technical leadership and stakeholder management skills.

Responsabilidades

• Design, administer, and provide support for database technologies, ensuring customer satisfaction through timely, high-quality delivery.
• Maintain and improve SLAs while ensuring compliance with organizational policies, standards, and security requirements.
• Identify automation opportunities, streamline repetitive processes, and implement solutions that drive operational efficiency and service excellence.
• Support diverse customer environments, maintain high service quality, and contribute to continuous improvement initiatives.
• Provide production support and release management for Db2 database environments.
• Design, implement, and maintain physical database structures and configurations.
• Build, review, test, implement, and support application database releases.
• Implement and manage RACF/ACF2 DB2 security rules, access controls, and authorization mechanisms.
• Build and maintain High Availability (HA) and replication environments to ensure business continuity.
• Collaborate with application, infrastructure, and support teams to deliver stable and resilient database services.
• Support database migration, upgrade, and data conversion initiatives.
• Perform root cause analysis and provide timely resolution of database-related incidents and problems.
• Demonstrate strong analytical and problem-management capabilities to resolve complex technical issues.
• Provide consulting services on database performance monitoring, tuning, capacity planning, and optimization.
• Coordinate with development teams during project implementations and release cycles.
• Participate in infrastructure modernization, technical initiatives, and data center migration programs.
• Support database evergreen initiatives including upgrades, patching, and compliance-related activities.
• Identify and implement automation opportunities to improve operational efficiency and reduce manual effort.
• Ensure adherence to ITIL processes, change management procedures, and organizational governance standards.

Conocimientos

DB2 for z/OS

z/OS

RACF/ACF2 Security

HA/DR & replication

Automation & scripting

ITIL processes

Stakeholder management

Production support

Problem management

Database performance tuning

Descripción del empleo

NTT DATA seeks an experienced DB2 Database Administrator (DBA) to design, administer, and support DB2 on IBM z/OS across global environments. You will ensure security, performance, and availability, while driving automation and continuous improvement in collaboration with cross-functional teams.

The role emphasizes incident resolution, release management, and alignment with ITIL processes, with a focus on modernization and data center migration initiatives within a 24x7 enterprise context.