DB2 for z/OS Systems Programmer

Salary: £55,000 - 95,000 per year

Requirements:

• We are looking for someone with typically 8 to 15+ years of experience in IBM mainframe systems programming, with a strong focus on DB2 for z/OS administration and support.
• We need proven experience supporting large-scale enterprise DB2 environments with multiple DB2 subsystems.
• We need strong experience in DB2 installation, migration, maintenance, performance tuning, and troubleshooting.
• Experience in Banking, Financial Services, Insurance, or other mission-critical enterprise environments is preferred.
• We need hands-on experience supporting high-volume OLTP environments utilizing CICS and DB2.
• We need strong experience with DB2 for z/OS, z/OS operating system, SMP/E, JCL, TSO/ISPF, SDF, and RACF.
• We need experience installing, upgrading, testing, and supporting DB2 releases.
• We need experience providing Level 2 and Level 3 support for DB2-based applications.
• We need a strong understanding of Distributed DB2 Connectivity (DDF).
• We need expertise in DB2 performance monitoring and tuning, capacity planning, backup and recovery, disaster recovery, and database security administration.
• We need strong analytical and troubleshooting skills.
• We need excellent written and verbal communication skills.
• We need the ability to work independently and manage multiple priorities within a production environment.
• Experience with large-scale enterprise environments with 50+ DB2 subsystems is desired.
• Exposure to Mainframe Sysplex and Data Sharing environments is desired.
• Experience with OMEGAMON for DB2, DB2 Data Sharing, IBM Utilities for DB2, DB2 Performance Expert, and DB2 Administration Tool is desired.
• Knowledge of ACF2 security, RACF security administration, CICS integration with DB2, automation and monitoring tools is desired.
• Experience supporting Banking and Financial Services organizations is desired.
• Familiarity with regulatory, audit, and compliance requirements is desired.
• Knowledge of disaster recovery solutions and resilience architectures is desired.
• IBM DB2 for z/OS certifications are preferred.

Responsibilities:

• We will install, configure, upgrade, and maintain DB2 for z/OS environments.
• We will support a large-scale enterprise DB2 infrastructure comprising multiple DB2 subsystems.
• We will plan and execute DB2 version upgrades, migrations, and maintenance implementations.
• We will provide Level 2 and Level 3 technical support for applications utilizing DB2.
• We will ensure the stability, integrity, availability, and performance of DB2 databases and supporting infrastructure.
• We will support and manage Distributed Data Facility (DDF) and distributed DB2 connectivity.
• We will maintain and optimize highly responsive OLTP environments utilizing CICS and DB2.
• We will monitor database performance and implement tuning recommendations to improve efficiency and throughput.
• We will perform system capacity planning and growth forecasting.
• We will develop, test, and maintain backup, recovery, and disaster recovery procedures.
• We will ensure proper storage management, archiving, and retention processes are in place.
• We will implement and manage database security controls and access governance.
• We will troubleshoot and resolve complex database and infrastructure issues.
• We will collaborate with application teams to support database design, deployment, and problem resolution.
• We will ensure compliance with enterprise security, audit, and regulatory requirements.
• We will maintain technical documentation, operational standards, and support procedures.
• We will ensure all database and monitoring solutions are maintained on supported versions.
• We will provide on-call and after-hours support for critical incidents and planned maintenance activities.
• We will lead technical troubleshooting and root cause analysis for major incidents.
• We will drive continuous improvement initiatives focused on automation, performance optimization, and operational excellence.
• We will collaborate effectively with infrastructure, development, security, and operational teams.
• We will demonstrate ownership, accountability, and proactive support of critical business services.

Technologies:

• AI
• Cloud
• IBM
• IBM Db2
• IBM Mainframe
• Support
• Security
• REST

More:

We are NTT DATA, a $30 billion business and technology services leader serving 75% of the Fortune Global 100. We are a global top employer with experts in more than 50 countries, and we help organizations move confidently and sustainably into the digital future through enterprise-scale AI, cloud, security, connectivity, data centers, application services, consulting, and industry solutions. We offer a comprehensive, locally competitive benefits package and prioritize the health and wellbeing of our people. This is a full-time remote role for the UK and Europe, with occasional preference for Sheffield and possible in-office attendance near our offices or client sites depending on business needs. We are committed to flexible working where possible, responsible innovation, and equal opportunity employment.

last updated 33 week of 2026