At a Glance
- Tasks: Upgrade and support z/OS systems in a major global environment.
- Company: Join NTT DATA, a leader in tech innovation with a collaborative culture.
- Benefits: Enjoy a competitive benefits package and hybrid work flexibility.
- Other info: Opportunity for career growth and learning in a dynamic tech landscape.
- Why this job: Make an impact in a cutting-edge mainframe environment while developing your skills.
- Qualifications: Experience in z/OS systems programming and strong problem-solving abilities.
The predicted salary is between 60000 - 80000 £ per year.
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).
Responsibilities
- Upgrading, maintaining and supporting the z/OS operating system
- Upgrading, maintaining and supporting ISV products particularly from 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: 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: 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
Qualifications
- Multiple years of z/OS systems programming experience
- Strong Parallel Sysplex skills
- Proficiency with z/OS, TSO/ISPF, USS, SDSF, JCL, RACF
- Experience installing and maintaining 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
- Knowledge of performance monitoring, networking, and mainframe connectivity
- Project management and hardware refresh planning, including IPL scheduling, vendor coordination, and change‑control governance
- Ability to produce clear system diagrams, runbooks, and upgrade plans while collaborating with application, storage, networking, and security teams
- Strong documentation and communication skills
- Experience in banking or large installations preferred
- Confident, independent, able to contribute from day one
- Excellent problem‑solving skills and a true team player
- Availability for off‑hours support during software changes when required
- Staying current on IBM Redbooks, z/OS release notes, firmware updates, and attending vendor training or industry conferences
Work Setup
Hybrid working: remote + on client site (Sheffield)
Benefits
You will enjoy a comprehensive, locally competitive benefits package.
Equal Opportunity Employer
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.
z/OS Mainframe Systems Programmer — Hybrid (Remote) in Sheffield employer: NTT DATA North America
At NTT DATA, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration. As a Principal BPO/BPaaS Sales Lead, you will have access to comprehensive benefits and unparalleled opportunities for professional growth, all while working in a vibrant environment that values diversity and inclusion. Join us in shaping the future of AI-driven customer service solutions, where your expertise will be recognised and rewarded.
StudySmarter Expert Advice🤫
We think this is how you could land z/OS Mainframe Systems Programmer — Hybrid (Remote) in Sheffield
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups or webinars, and connect with people on LinkedIn. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Prepare for those interviews! Research common questions for z/OS Mainframe Systems Programmers and practice your answers. We recommend doing mock interviews with friends or using online platforms to boost your confidence.
✨Tip Number 3
Show off your skills! Create a portfolio or a GitHub repository showcasing your projects and any relevant work you've done. This gives potential employers a tangible look at what you can bring to the table.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take that extra step to connect directly with us.
We think you need these skills to ace z/OS Mainframe Systems Programmer — Hybrid (Remote) in Sheffield
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your z/OS systems programming experience and relevant skills. We want to see how your background aligns with the responsibilities listed in the job description, so don’t hold back on showcasing your expertise!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're the perfect fit for the role and how your experience with IBM and CA products can benefit us. Keep it engaging and personal – we love a good story!
Show Off Your Problem-Solving Skills:In your application, highlight specific examples of how you've tackled challenges in previous roles. We’re looking for those analytical troubleshooting skills, so share any experiences with abends or performance anomalies that demonstrate your expertise.
Apply Through Our Website:We encourage you to apply directly through our website for a smoother process. It helps us keep track of your application and ensures you don’t miss out on any important updates. Plus, it’s super easy!
How to prepare for a job interview at NTT DATA North America
✨Know Your z/OS Inside Out
Make sure you brush up on your z/OS knowledge before the interview. Be ready to discuss your experience with upgrading and maintaining the operating system, as well as any ISV products you've worked with, especially from IBM and CA. This will show that you're not just familiar with the systems but have hands-on experience.
✨Showcase Your Troubleshooting Skills
Prepare to talk about specific instances where you've tackled performance anomalies or system issues. Highlight your analytical troubleshooting methods, such as using IPCS for dump analysis or SLIP for tracing. Real-life examples will demonstrate your problem-solving abilities and technical expertise.
✨Collaboration is Key
Since the role involves working closely with engineering teams, be ready to discuss how you've collaborated in past projects. Share examples of how you’ve contributed to system stability and efficiency, and how you’ve communicated with other teams to achieve common goals.
✨Stay Current and Engaged
Mention any recent training, conferences, or updates you've followed related to z/OS and mainframe technologies. This shows your commitment to staying updated in the field and your proactive approach to professional development, which is crucial for a role that requires ongoing learning.
