Senior / Lead Mainframe Engineer – Design-Led | Modernisation
Design the Future of Legacy Infrastructure
We are hiring on behalf of a world-renowned enterprise client undergoing a strategic transformation of its core systems. This is a unique opportunity for a Mainframe Engineer with a strong design mindset to work at the heart of a multi-year modernisation programme.
Your focus? Helping reimagine and reshape decades-old mainframe platforms into clean, elegant, and future-ready systems - all while ensuring operational integrity at scale.
If you’re as passionate about how software is structured as you are about what it does, this is your chance to bring lasting impact to an organisation that touches millions of lives.
* Collaborate with architects, analysts, and developers to design and implement structured, modern solutions on the IBM z/OS mainframe.
* Refactor and optimise legacy applications—focusing on clarity, modularity, and maintainability as part of a broader modernisation roadmap.
* Play a lead role in shaping internal engineering standards for mainframe design patterns, data flows, and application interfaces.
* Support integration with modern APIs, distributed systems, and evolving cloud architecture—bridging the old and new.
* Contribute to tooling and automation to enhance DevOps maturity across the mainframe estate.
If interested, please apply immediately for further details & a confidential discussion.