DB2 for z/OS Systems Programmer

NTT DATA, Inc.; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

NTT DATA is seeking an experienced DB2 for z/OS Systems Programmer to join the DB2 Support Team in the UK/Europe. You will lead and support a large DB2 estate across subsystems, ensuring availability, security, and performance while collaborating with security, infrastructure and development teams.

The role requires deep DB2 for z/OS expertise, strong troubleshooting skills, and the ability to operate independently in a complex enterprise environment.

Qualifications

• 8–15+ years in IBM Mainframe Systems Programming with DB2 for z/OS
• Experience supporting large-scale enterprise DB2 environments with multiple subsystems
• Hands-on DB2 installation, migration, maintenance, performance tuning and troubleshooting
• Experience in Banking/Financial Services or mission-critical environments preferred
• Experience with high-volume OLTP using CICS and DB2

Responsibilities

• Install, configure, upgrade, and maintain DB2 for z/OS environments
• Support a large-scale enterprise DB2 infrastructure with multiple subsystems
• Plan and execute DB2 version upgrades and migrations
• Provide Level 2 and Level 3 support for DB2-based applications
• Ensure stability, integrity, availability, and performance of DB2 databases and infrastructure
• Manage DDF and distributed DB2 connectivity
• Maintain OLTP environments with CICS and DB2, monitor and tune performance
• Perform capacity planning and disaster recovery testing and implementation

Skills

DB2 for z/OS

CICS

JCL

TSO/ISPF

RACF

SMP/E

z/OS

DDF

DB2 Performance Monitoring

Disaster Recovery

Tools

OMEGAMON for DB2

IBM Utilities for DB2

Job description

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Competitive salary | UK/Europe: Fully remote possible; occasionally Sheffield preferred

At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrity, and commitment of our employees are key factors in our company’s growth, market presence and our ability to help our clients stay a step ahead of the competition. By hiring the best people and helping them grow both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here.

NTT DATA is currently looking for a DB2 for z/OS Systems Programmer remote for our growing team in the UK and rest of Europe.

About the role

We are seeking an experiencedDB2 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)
• 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.
• 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 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

Our people are the most critical component of our long-term success and their health and wellbeing are our priority. You will enjoy a comprehensive, locally competitive benefits package.

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 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners.NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, https://us.nttdata.com/en/contact-us .

NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here . If you'd like more information on your EEO rights under the law, please click here . For Pay Transparency information, please click here .

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