DB2 for z/OS Systems Programmer

NTT America, Inc.; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Comprehensive benefits package

Job summary

NTT DATA is hiring a senior DB2 for z/OS Systems Programmer to lead DB2 operations for a large enterprise estate. The role covers installation, upgrades, tuning, and security across multiple subsystems in a hybrid UK setting (London/Sheffield + remote).

You will collaborate with development, infrastructure, and security teams to ensure high availability and DR readiness. The ideal candidate brings extensive DB2 for z/OS experience, strong problem-solving skills, and the ability to work

Qualifications

• Typically 8 to 15+ years of IBM Mainframe Systems Programming with focus on DB2 for z/OS administration and support.
• Experience supporting large-scale enterprise DB2 environments with multiple subsystems.
• Proficient in DB2 installation, migration, maintenance, performance tuning and troubleshooting.
• Experience in Banking/Financial Services or mission-critical environments preferred.
• Hands-on experience with OLTP systems using CICS and DB2.
• Strong knowledge of Distributed DB2 Connectivity (DDF).
• DB2 security administration and disaster recovery concepts.

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 upgrades, migrations, and maintenance.
• Provide Level 2/3 support for DB2-based applications.
• Ensure DB2 availability, integrity, and performance.
• Manage DDF and distributed DB2 connectivity.
• Optimize OLTP environments with CICS and DB2.
• Monitor performance and perform tuning recommendations.

Skills

DB2 for z/OS

z/OS

JCL

TSO/ISPF

RACF

SMP/E

DDF

CICS-DB2 Integration

DB2 Tuning

Backup & Recovery

Capacity Planning

Tools

OMEGAMON for DB2

DB2 Data Sharing

IBM Utilities for DB2

Job description

Req ID: 395524

Competitive salary | UK: hybrid work model (Sheffield OR London + remote)

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 on a hybrid work model (Sheffield OR London + remote) for our growing team in the UK.

About the role

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

Benefits

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 .

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