I.T Systems Developer

Competitive salary | UK: Hybrid: remote + Sheffield
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 z/OS Mainframe Systems Programmer (hybrid: remote + Sheffield) for our growing team in the UK.
NTT DATA are seeking an experienced z/OS Mainframe Systems Programmer to work on major projects, in one of the largest z/OS Mainframe environments globally. The role involves upgrading and supporting the z/OS operating system and ISV products, mainly from IBM and Computer Associates (CA).
IBM and Computer Associates (CA)
LPAR configuration in HMC
Ensuring data integrity and swift recovery with:
DFSMShsm policies and recall management
FlashCopy or virtual tape replication for near-instant restores
RMF and SMF report analysis
OSA adapter and Coupling Facility communication
Topaz), IBM, and BMC tooling for fix management and compliance reporting

Multiple years of z/OS systems programming experience
Installation of several different IBM and CA products
Extensive experience of installing many IBM and CA products
Deep mastery of z/OS architecture, including IPL procedures, JES2/JES3 configurations, Sysplex management, SMF data collection, and parmlib customization.
Proficient in writing and debugging system-level routines and automation:
LPAR configuration in HMC
Analytical troubleshooting of abends, storage hangs, and performance anomalies using:
Dump analysis with IPCS
Ensuring data integrity and swift recovery with:
DFSMShsm policies and recall management
FlashCopy or virtual tape replication for near-instant restores
Performance Monitoring
Networking Knowledge
Topaz), IBM, and BMC tooling for fix management and compliance reporting
Project Management & Hardware Refresh
Planning and leading hardware refreshes, feature activations, and migrations with minimal downtime, including IPL scheduling, vendor coordination, and change-control governance.
Producing clear system diagrams, runbooks, and upgrade plans, while collaborating with application teams, storage, networking, and security groups.
Should have ideally worked in a Bank or organisations with large installations
Will need to provide off hours support for the implementation of software changes, when required
Staying current on IBM Redbooks, z/OS release notes, firmware updates, and attending vendor training (IBM, Broadcom, BMC) or industry conferences.
Hybrid working: remote + on client site (Sheffield)
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 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. 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. 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 and @talent.NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. 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 .