Mainframe Technical Lead

We are currently seeking an experienced Mainframe Technical Lead to provide technical leadership across a complex enterprise mainframe estate.
This role offers the opportunity to take ownership of core system design and execution while supporting large‑scale modernisation initiatives, including rehost and refactor programs.
You will work closely with delivery teams and stakeholders to ensure design integrity across critical workloads, while also mentoring developers and driving best‑practice engineering standards.

Key Responsibilities

• Provide technical leadership across the mainframe estate, ensuring high‑quality design, development, and delivery outcomes.
• Own and maintain design integrity for core workloads across COBOL, CICS, and JCL environments.
• Lead the design and optimisation of both batch and online transaction processing systems, ensuring performance, scalability, and reliability.
• Support modernisation initiatives...