At a Glance
- Tasks: Support and upgrade z/OS systems in a hybrid role, ensuring stability and efficiency.
- Company: Join NTT DATA, a leader in tech with a collaborative culture.
- Benefits: Enjoy a competitive salary and a comprehensive benefits package for your wellbeing.
- Other info: Hybrid work setup with opportunities for professional growth and development.
- Why this job: Make an impact in one of the world's largest z/OS environments while working remotely.
- Qualifications: Experience in z/OS systems programming and strong analytical troubleshooting skills.
The predicted salary is between 50000 - 65000 £ per year.
NTT DATA is seeking an experienced z/OS Mainframe Systems Programmer for a hybrid role (remote + Sheffield) to support and upgrade the z/OS operating system and ISV products within one of the world's largest z/OS environments.
Responsibilities
- Upgrade, maintain and support the z/OS operating system
- Upgrade, maintain and support ISV products primarily from IBM and Computer Associates (CA)
- Work closely with other engineering teams to ensure stable, available, and efficient systems
- Manage hardware and logical resources across LPARs: DASD and tape allocation via HCD/HCMLPAR configuration in HMC
- Security administration using RACF or equivalent
- Ensure 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
- Optimize system throughput and response times: RMF and SMF report analysis, OMEGAMON or BMC MainView dashboards, WLM classification and tuning
- Configure and support mainframe connectivity: VTAM and SNA definitions, TCP/IP stack on z/OS, OSA adapter and Coupling Facility communication
- Execute 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
Skills & Experience
- Multiple years of z/OS systems programming experience
- Strong Parallel Sysplex skills
- Proficiency with z/OS tools (TSO/ISPF, USS, SDSF, JCL, RACF)
- Experience installing and maintaining IBM and CA products
- Deep knowledge of z/OS architecture: IPL procedures, JES2/JES3, Sysplex management, SMF data collection, parmlib customization
- Programming and scripting: Assembler for exits and control blocks, REXX for automation, JCL for job submission and workflow control
- Hardware and logical resource management across LPARs (DASD, HCD/HCM, HMC configuration, RACF)
- Analytical troubleshooting of abends, storage hangs, and performance anomalies using IPCS, SLIP, trace tools, logs, console messages
- Data integrity and recovery tools (DFSMShsm, FDR/ABR, FlashCopy, virtual tape replication)
- Performance monitoring with RMF, SMF, OMEGAMON, BMC MainView, WLM
- Networking knowledge (VTAM, SNA, TCP/IP, OSA, Coupling Facility)
- Experience with SMP/E, z/OSMF, Broadcom, IBM, BMC utilities for upgrades and compliance reporting
- Project management and hardware refresh planning: IPL scheduling, vendor coordination, change‑control governance
- Documentation: system diagrams, runbooks, upgrade plans, clear communication with application, storage, networking, and security teams
Preferred experience in banking or large installations, independent work, team collaboration, problem‑solving skills, availability for off‑hour support.
Work Setup
Hybrid working: remote + on client site (Sheffield).
Benefits
Competitive salary and a comprehensive, locally competitive benefits package to support health and wellbeing.
Equal Opportunity
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.
zOS Mainframe Systems Programmer in Sheffield employer: NTT DATA
NTT DATA is an exceptional employer, offering a dynamic hybrid work environment in Sheffield that fosters collaboration and innovation. With a strong commitment to employee growth, we provide comprehensive benefits and opportunities for professional development, ensuring our team members thrive in one of the largest z/OS environments globally. Join us to be part of a culture that values diversity, teamwork, and meaningful contributions to cutting-edge technology.
StudySmarter Expert Advice🤫
We think this is how you could land zOS Mainframe Systems Programmer in Sheffield
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups, 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 by brushing up on your technical skills and understanding the latest trends in z/OS systems programming. Practice common interview questions and be ready to showcase your problem-solving abilities.
✨Tip Number 3
Don’t just apply anywhere; focus on companies that excite you! Check out our website for openings at StudySmarter and tailor your approach to show why you’d be a great fit for the team.
✨Tip Number 4
Follow up after interviews! A quick thank-you email can go a long way in keeping you top of mind. It shows your enthusiasm and professionalism, which are key in landing that dream job.
We think you need these skills to ace zOS Mainframe Systems Programmer in Sheffield
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the z/OS Mainframe Systems Programmer role. Highlight your experience with z/OS, ISV products, and any relevant tools like SMP/E or RACF. We want to see how your skills match what we're looking for!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about this role and how your background makes you a perfect fit. Don’t forget to mention your experience with system upgrades and performance monitoring.
Show Off Your Problem-Solving Skills:In your application, give examples of how you've tackled challenges in previous roles. Whether it's troubleshooting performance issues or managing hardware resources, we love to see how you approach problem-solving!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy to do!
How to prepare for a job interview at NTT DATA
✨Know Your z/OS Inside Out
Make sure you brush up on your z/OS knowledge before the interview. Familiarise yourself with the latest upgrades, ISV products, and tools like SMP/E and z/OSMF. Being able to discuss recent changes or challenges in the z/OS environment will show that you're not just experienced but also engaged with the technology.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific examples of how you've tackled issues in past roles. Whether it's troubleshooting performance anomalies or managing hardware resources, having concrete examples ready will demonstrate your analytical skills and ability to think on your feet.
✨Understand the Hybrid Work Setup
Since this role involves a hybrid work setup, be ready to discuss how you manage your time and productivity in both remote and on-site environments. Highlight any previous experience you have with remote collaboration tools and how you ensure effective communication with your team.
✨Prepare Questions for Them
Interviews are a two-way street! Prepare thoughtful questions about the team dynamics, ongoing projects, or the company’s approach to system upgrades. This not only shows your interest in the role but also helps you gauge if the company is the right fit for you.
