At a Glance
- Tasks: Join our team to upgrade and support z/OS systems in a dynamic environment.
- Company: NTT DATA, a global leader in tech services with a collaborative culture.
- Benefits: Enjoy competitive salary, health benefits, and flexible hybrid working options.
- Other info: Be part of a company that values innovation and invests in your professional development.
- Why this job: Make an impact in one of the largest z/OS environments globally while growing your skills.
- Qualifications: Experience in z/OS systems programming and strong problem-solving abilities required.
The predicted salary is between 50000 - 65000 £ per year.
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.
OverviewNTT 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).
Responsibilities:- Upgrading, maintaining and supporting the z/OS operating system
- Upgrading, maintaining and supporting ISV products particularly from vendors: IBM and Computer Associates (CA)
- Working closely with the other Engineering teams to ensure the systems that are built are stable, available, up to date and running as effectively and efficiently as possible
- Managing hardware and logical resources across LPARs: DASD and tape allocation via HCD/HCM
- LPAR configuration in HMC
- Security administration using RACF or equivalent
- Ensuring data integrity and swift recovery with: DFSMShsm policies and recall management, FDR/ABR for high-speed backups, FlashCopy or virtual tape replication for near-instant restores
- Optimizing system throughput and response times utilizing: RMF and SMF report analysis, OMEGAMON or BMC MainView dashboards, WLM classification and tuning
- Configuring and supporting mainframe connectivity: VTAM and SNA definitions, TCP/IP stack on z/OS, OSA adapter and Coupling Facility communication
- Executing OS and product upgrades with industry-standard utilities: SMP/E for PTF, APAR, and deliverable management, z/OSMF workflows for streamlined maintenance, Broadcom (e.g., Topaz), IBM, and BMC tooling for fix management and compliance reporting
- Multiple years of z/OS systems programming experience
- Should have very strong Parallel Sysplex skills
- z/OS, TSO/ISPF, USS, SDSF, JCL, RACF
- 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: Assembler for exits and control blocks, REXX for scripting and batch utilities, JCL for job submission, parameterization, and workflow control
- Analytical troubleshooting of abends, storage hangs, and performance anomalies using: Dump analysis with IPCS, SLIP and trace tools, System logs and console messages
- Performance Monitoring Networking Knowledge
- 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.
- Documentation and Communication
- Should have ideally worked in a Bank or organisations with large installations
- Should be confident, able to work independently and start contributing from day one
- Must have excellent problem-solving skills and be a true team player
- 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)
BenefitsOur 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.
zOS Mainframe Systems Programmer in Sheffield employer: SuccessFactors
At NTT DATA, we pride ourselves on fostering a dynamic and inclusive work culture that prioritises the health and wellbeing of our employees. As a Global Top Employer, we offer competitive benefits, extensive professional development opportunities, and the chance to work on cutting-edge projects in one of the largest z/OS Mainframe environments globally, all while enjoying the flexibility of a hybrid work model in Sheffield.
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