3 of 3 Mainframe Jobs in the City of London

Mainframe Engineer Hybrid Working – London – 2 days a week on site. Financial Services Lorien's leading banking client is looking for a n experienced Mainframe Engineer, this person will support the test environments to enable delivery of features to mobile/online banking customers. The person will have hands … experience with Mainframe Technologies, along with an understanding of AWS Services This role is based in London. This role will be Via Umbrella. Working in a Hybrid Model of 1 day a week on site. Key Responsibilities: Provide expert support and timely resolution of environment issues focusing on mainframe systems ...

solutions team focused on transforming legacy systems into scalable, cloud-native architectures. This role involves designing and delivering end-to-end modernization strategies across mainframe, midrange, and distributed environments for global enterprise clients. Key Responsibilities Architect and deliver modernization solutions leveraging latest tools and platforms , including: AWS Mainframe Modernization Service … Agentic AI-driven modernization accelerators for intelligent code conversion, dependency mapping, and automated testing. Independent Software Vendor partner technologies for modernization Design architectures incorporating: Mainframe ‘In-place modernization and optimization’ , and Mainframe ‘Exit-to-Cloud’ Event-driven architectures (AWS EventBridge, Apache Kafka, IBM MQ) for real-time integration and decoupling. ...

implementing AI-driven solutions across enterprise technology stacks. Key Responsibilities: Lead large-scale application and database modernization programmes for BFSI clients Design solutions across mainframe, midrange, and distributed systems Leverage AI and cloud tools for automated code analysis, refactoring, and modernization Collaborate with senior stakeholders, technology, and cross-functional teams … Architect scalable, resilient solutions using microservices, APIs, and event-driven patterns Candidate Requirements: Deep hands-on mainframe expertise (COBOL, JCL, CICS, DB2, VSAM, batch jobs, legacy integrations) Strong architecture and solutioning skills, with the ability to map legacy systems to modern platforms Proven experience delivering large-scale modernization programmes Excellent ...