Senior zOS Systems Programmer

Senior zOS Systems Programmer

Full-Time 60000 - 80000 £ / year (est.) No working from home possible
Greater Giving, Inc.

At a Glance

  • Tasks: Design and support critical enterprise systems for global payments.
  • Company: Join a leading name in the payments industry with a dynamic team.
  • Benefits: Medical coverage, bonuses, extra paid time off, and family support.
  • Other info: Inclusive culture with unmatched energy and global opportunities.
  • Why this job: Shape the future of commerce while growing your career in tech.
  • Qualifications: Experience in systems programming and strong problem-solving skills required.

The predicted salary is between 60000 - 80000 £ per year.

Senior z OS Systems Programmer

Make your mark at one of the biggest names in payments.

We’re looking for a Senior z OS Systems Programmer to join our ever evolving Mainframe Software Team and help shape the future of global commerce.

Responsibilities

  • Design, develop, maintain and support critical enterprise systems and platform services that underpin Global Payments' business operations.
  • Lead system enhancements, software upgrades, performance tuning and platform optimisation activities.
  • Troubleshoot complex production issues, perform root-cause analysis and implement permanent solutions.
  • Collaborate with infrastructure, application, architecture and security teams to deliver resilient, scalable and secure solutions.
  • Act as a technical mentor and subject matter expert, driving engineering standards, automation and operational excellence.

Qualifications

  • Extensive experience in systems programming within large-scale enterprise environments.
  • Strong knowledge of operating systems, middleware, automation tooling and performance tuning.
  • Proven ability to analyse and resolve complex technical problems in mission‑critical systems.
  • Experience supporting highly available production platforms with a focus on reliability and resilience.
  • Strong communication and stakeholder management skills with the ability to influence technical and non‑technical audiences.
  • Preferred (Bonus) Experience
  • Experience within payments, fintech or other highly regulated industries.
  • Knowledge of cloud platforms, Dev Ops practices and infrastructure automation.
  • Relevant industry certifications and experience with enterprise‑scale modernisation initiatives.
  • Team

Our inclusive and global teams win together every day.

We’re proud to have the best minds in the industry, who you can learn from as you grow your career.

The people, the energy, the connections – it’s unmatched.

Come and be part of an ever‑evolving company and get dynamic opportunities that go beyond borders.

Benefits

My Health

We offer access to medical coverage that supports the health and wellbeing for you and your family

My Money

In addition to base salary, you may be eligible for bonuses and/or equity awards, determined by role, level, impact, and our policies.

My Lifestyle

We have a dedicated Wellness Week each year – which includes an extra paid day off – so you can take time to relax, recharge and invest in your wellbeing

My Family

FLEX, our family inclusion community, offers support for all Globalpayers at every stage, from raising families to caring for loved ones

My Time Off

We offer paid time off and public holidays so you can rest, recharge and spend time on what matters most.

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Senior zOS Systems Programmer employer: Greater Giving, Inc.

Greater Giving, Inc. is an exceptional employer that fosters a dynamic work culture in the heart of London, offering employees the chance to engage in groundbreaking projects within the payments industry. With a strong emphasis on professional growth, competitive salaries, and comprehensive wellness programs, we ensure our team members thrive both personally and professionally. Join us to be part of a global community dedicated to innovation and excellence in legal compliance and contract negotiations.

Greater Giving, Inc.

Contact Details:

Greater Giving, Inc. Recruitment Team

We think you need these skills to ace Senior zOS Systems Programmer

zOS Systems Programming
Operating Systems Knowledge
Middleware Expertise
Automation Tooling
Performance Tuning
Root-Cause Analysis
Troubleshooting Complex Issues