Dba (Db2, Oracle Y Postgresql)

Grupo Tecdata Engineering; Madrid; On-site; EUR 90,000 - 120,000; Full time

Job summary

NTT DATA seeks an experienced DB2 for z/OS Systems Programmer to join the DB2 Support Team and lead technical operations for a large-scale DB2 for z/OS estate.

You will install, configure, upgrade, and maintain DB2 for z/OS, support 50+ subsystems, plan upgrades, and provide Level 2/3 support, ensuring availability, performance, and security while collaborating with application, infrastructure, and security teams in a global enterprise.

Qualifications

• Typically 8 to 15+ years of IBM Mainframe Systems Programming with focus on DB2 for z/OS administration.
• Proven experience supporting large-scale enterprise DB2 environments with multiple subsystems.
• Hands-on DB2 installation, migration, maintenance, performance tuning, and troubleshooting.
• Experience in Banking/FSI or mission-critical environments preferred.
• Experience with high-volume OLTP using CICS and DB2; strong analytical troubleshooting skills.

Responsibilities

• Install, configure, upgrade, and maintain DB2 for z/OS environments.
• Support a large-scale enterprise DB2 infrastructure with 50+ subsystems across regions.
• Plan and execute DB2 version upgrades, migrations, and maintenance.
• Provide Level 2 and Level 3 support for DB2-based applications.
• Ensure stability, availability, and security of DB2 databases and related infrastructure.
• Support DDF connectivity and distributed DB2 environments.
• Monitor performance and implement tuning recommendations.
• Capacity planning and growth forecasting; backup, recovery, and DR procedures.
• Maintain system documentation, procedures, and compliance with security/audit requirements.

Skills

DB2 for z/OS Systems Programming

DB2 for z/OS Administration

CICS-DB2 Integration

DDF (Distributed Data Facility)

DB2 Performance Monitoring & Tuning

z/OS Operating System

JCL

RACF

Disaster Recovery Planning

Capacity Planning

Tools

OMEGAMON for DB2

DB2 Data Sharing

IBM Utilities for DB2

SMP/E

DB2 Installation & Upgrades

Job description

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion - it's a place where you can grow, belong and thrive.
Your day at NTT DATA
We are seeking an experienced DB2 for z/OS Systems Programmer to join our DB2 Support Team and provide technical leadership and operational support for a large and complex DB2 for z/OS environment.
The successful candidate will be responsible for all systems programming aspects of DB2 for z/OS, supporting a large database estate comprising 50+ DB2 subsystems across multiple mainframe platforms and geographies. This role is critical to ensuring the availability, performance, integrity, maintenance, and security of the organization's DB2 infrastructure.
You will work closely with application development, infrastructure, operations, and security teams to maintain highly available and secure DB2 environments while supporting strategic database initiatives, performance optimization, disaster recovery planning, and technology upgrades.
The ideal candidate will possess strong technical expertise, excellent troubleshooting capabilities, and the ability to operate independently within a complex enterprise environment.
In this role, You will
+ Install, configure, upgrade, and maintain DB2 for z/OS environments.
+ Support a large-scale enterprise DB2 infrastructure comprising multiple DB2 subsystems.
+ Plan and execute DB2 version upgrades, migrations, and maintenance implementations.
+ Provide Level 2 and Level 3 technical support for applications utilizing DB2.
+ Ensure the stability, integrity, availability, and performance of DB2 databases and supporting infrastructure.
+ Support and manage Distributed Data Facility (DDF) and distributed DB2 connectivity.
+ Maintain and optimize highly responsive OLTP environments utilizing CICS and DB2.
+ Monitor database performance and implement tuning recommendations to improve efficiency and throughput.
+ Perform system capacity planning and growth forecasting.
+ Develop, test, and maintain backup, recovery, and disaster recovery procedures.
+ Ensure proper storage management, archiving, and retention processes are in place.
+ Implement and manage database security controls and access governance.
+ Troubleshoot and resolve complex database and infrastructure issues.
+ Collaborate with application teams to support database design, deployment, and problem resolution.
+ Ensure compliance with enterprise security, audit, and regulatory requirements.
+ Maintain technical documentation, operational standards, and support procedures.
+ Ensure all database and monitoring solutions are maintained on supported versions.
Required Qualifications
+ Typically 8 to 15+ years of experience in IBM Mainframe Systems Programming with a strong focus on DB2 for z/OS administration and support.
+ Proven experience supporting large-scale enterprise DB2 environments with multiple DB2 subsystems.
+ Strong experience in DB2 installation, migration, maintenance, performance tuning, and troubleshooting.
+ Experience working in Banking, Financial Services, Insurance, or other mission-critical enterprise environments preferred.
+ Hands‑on experience supporting high‑volume OLTP environments utilizing CICS and DB2.
+ Strong experience with:
+ DB2 for z/OS (must have)
+ z/OS Operating System
+ SMP/E
+ JCL
+ TSO/ISPF
+ SDSF
+ RACF
+ Experience installing, upgrading, testing, and supporting DB2 releases.
+ Experience providing Level 2 and Level 3 support for DB2‑based applications.
+ Strong understanding of Distributed DB2 Connectivity (DDF).
+ Experience supporting high‑volume OLTP environments utilizing CICS and DB2.
+ Expertise in:
+ DB2 Performance Monitoring and Tuning
+ Capacity Planning
+ Backup and Recovery
+ Disaster Recovery
+ Database Security Administration
+ Strong analytical and troubleshooting skills.
+ Excellent written and verbal communication skills.
+ Ability to work independently and manage multiple priorities within a production environment.
Desired Qualifications
+ Experience working in large‑scale enterprise environments with 50+ DB2 subsystems.
+ Exposure to Mainframe Sysplex and Data Sharing environments.
+ Experience with:
+ OMEGAMON for DB2
+ DB2 Data Sharing
+ IBM Utilities for DB2
+ DB2 Performance Expert
+ DB2 Administration Tool
+ Knowledge of:
+ ACF2 Security
+ RACF Security Administration
+ CICS Integration with DB2
+ Automation and Monitoring Tools
+ Experience supporting Banking and Financial Services organizations.
+ Familiarity with regulatory, audit, and compliance requirements.
+ Knowledge of disaster recovery solutions and resilience architectures.
+ IBM DB2 for z/OS certifications preferred.
Job Expectations
+ Ensure high availability, reliability, and performance of DB2 for z/OS environments.
+ Maintain and support a complex enterprise database estate across multiple regions and platforms.
+ Participate in software maintenance, upgrades, migrations, and implementation activities.
+ Provide on‑call and after‑hours support for critical incidents and planned maintenance activities.
+ Lead technical troubleshooting and root cause analysis for major incidents.
+ Drive continuous improvement initiatives focused on automation, performance optimization, and operational excellence.
+ Ensure compliance with security, governance, and audit standards.
+ Collaborate effectively with infrastructure, development, security, and operational teams.
+ Maintain comprehensive system documentation and operational procedures.
+ Demonstrate ownership, accountability, and proactive support of critical business services.
Primary Skillset
+ DB2 for z/OS Systems Programming
+ DB2 Installation, Configuration & Upgrades
+ DB2 Performance Monitoring & Tuning
+ Distributed DB2 Connectivity (DDF)
+ DB2 Data Sharing
+ Backup & Recovery
+ Disaster Recovery
+ Capacity Planning
+ SMP/E
+ z/OS
+ JCL
+ TSO/ISPF
+ RACF
+ CICS-DB2 Integration
+ OMEGAMON for DB2
Workplace type: About NTT DATA
NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise‑scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start‑up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.
Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us.