15 of 15 Mainframe Jobs in London

Job Title: COBOL Developer Location: London, Glasgow, or Newcastle Working Model: 2 days onsite Contract: Contract role Overview We are looking for experienced COBOL Developers with strong hands-on expertise in FIS Systematics to support ...

which will then transition to this new model. Key Skills:- Financial Service background AWS and Azure Application migration experience to the cloud Mentoring experience Mainframe experience would be beneficial DevOps skills would be advantageous ITSM/ITIL Stakeholder Management skills Damia Group Limited acts as an employment agency for permanent ...

large-scale system projects. This will include: Reviews, analysing, and modifying programming systems including encoding, testing, debugging and installing for a large-scale Mainframe computer system. Essential Duties and Responsibilities for the Senior C++ Developer/Software Engineer: Maintains project estimates and project management timelines for multiple major projects. Verifies ...

Mainframe Developer (6-Month Contract) - London (Hybrid) We are seeking an experienced Mainframe Developer to join a prestigious financial institution on a 6-month contract. The role will focus on developing and supporting CICS web services, ZOS Connect EE, and DB2 REST interfaces within a dynamic hybrid working environment. … DevOps environment using modern toolsets. Key Responsibilities Design, develop, and maintain CICS web services and ZOS Connect EE/DB2 REST services. Work with Mainframe development tools such as FileAid, Xpediter, IBM Explorer for ZOS, and Visual Studio. Develop and maintain APIs using SOAP, WSDL, and JSON, ensuring robust ...

Mainframe Developer With Cics Webservices Job Description Role Overview Role/Job Title: Mainframe Developer with CICS Webservices Work Location: London Mode of Working: Hybrid Office Requirement (if hybrid): 2 3 days a week Key Skills Required Mainframes CICS Webservices Required Skills Experience working in ZOS Connect ...

Details Role/Job Title: Data Architect Mainframe Migration & Modernization Work Location: 250 Bishopsgate, London, UK Mode of Working: Hybrid Office Attendance: 2 days per week The Role As a Mainframe Data Architect with data migration expertise, you will be responsible for moving critical data off the mainframe with zero … event-driven architectures; saga orchestration. CQRS patterns: Command/query separation; event sourcing and state reconstruction; eventual consistency, when CQRS is justified for mainframe migration vs. overkill. Database internals: Index structures (B-tree, bitmap, etc.), query planning, partitioning strategies; how Db2 vs. PostgreSQL differ in storage and execution. Data quality ...

Data Architect Mainframe Migration & Modernisation (Contract) Were recruiting an experienced Data Architect to lead a critical mainframe data migration and modernisation programme for a large enterprise environment. This is a hands-on, delivery-focused role working on complex Db2 on z/OS systems and migrating data to modern cloud … architecture, validation, reconciliation, and event-driven design. Key Responsibilities Design and operate CDC pipelines (IBM CDC, Precisely or equivalent) Migrate data from Db2/mainframe (z/OS) to PostgreSQL/Aurora Build Kafka-based integration pipelines and event-driven architectures Deliver dual-run migrations, cutover planning, rollback and reconciliation ...

Capture workflows (IBM CDC or equivalent), including subscription design, bookmarks, resync, and replay strategies Cloud Migration & Hosting: Lead PostgreSQL migration from on-premises/mainframe to cloud platforms (AWS Aurora preferred), ensuring performance, security, and scalability Integration & ETL Pipelines: Build robust pipelines using CDC Kafka/S3 Aurora with UPSERT … validation techniques Familiarity with IaC, CI/CD, and observability frameworks Excellent problem-solving and communication skills Desirable Skills/Knowledge/Experience Mainframe Modernization ...

DataPower Engineer Mainframe Modernisation (Contract) Were recruiting for an experienced IBM DataPower Engineer to support a large-scale mainframe modernisation programme within a complex enterprise environment. This is a contract role, ideal for specialists in secure API integration and legacy-to-digital transformation. The Role Youll design, build and support … high-performance integration solutions using IBM DataPower Gateway, exposing core mainframe services as modern APIs. Working across hybrid environments, youll bridge z/OS applications with API platforms and cloud-native services, ensuring security, resilience and scalability. Key Responsibilities Design and configure IBM DataPower services (MPGW, XML Firewall, WS-Proxy ...

recruiting for a Mainframe zOS Consultant to work on a remote basis. The role falls inside IR35 so you will need to work through an umbrella company for the duration of the contract. You will be a Mainframe z/OS Systems Programmer specialising in hardware refresh, product upgrades … architecture, including IPL procedures, JES2/JES3 configurations, Sysplex management, SMF data collection, and parmlib customisation. You will be responsible for configuring and supporting mainframe connectivity, performance monitoring, backup & recovery and system administration. You must be proficient in writing and debugging system-level routines and automation - Assembler for exits ...

Mainframe Network Specialist Needed Work Location UK, London Mode of working - Work from home Start Date - Immediate Salary - GBP 300/day Inside IR35 Job Type - 6 months Mainframe Network Responsibilities: Configuration and administration of IBM z/OS mainframe network software. Configuration and administration of network related 3rd party … system software. Provision of technical support for Mainframe Networking issues during the normal working day and out of hours on call support. Act as a Mainframe Networking resource for internal and external projects. Monitor the performance of mainframe networking components and instigate remedial action. Production of clear technical documentation ...

Data Architect Mainframe Migration & Modernisation (Contract) Were recruiting an experienced Data Architect to lead a critical mainframe data migration and modernisation programme for a large enterprise environment. This is a hands-on, delivery-focused role working on complex Db2 on z/OS systems and migrating data to modern cloud ...

Details Role/Job Title: Data Architect Mainframe Migration & Modernization Work Location: 250 Bishopsgate, London, UK Mode of Working: Hybrid Office Attendance: 2 days per week The Role As a Mainframe Data Architect with data migration expertise, you will be responsible for moving critical data off the mainframe with zero ...

Role/Job title Mainframe Developer with CICS Webservices Work Location London Role type - Permanent/Fixed Term/Contracting Contracting Mode of working Hybrid/office based Hybrid If Hybrid, how many days are required in office? 2-3 days a week Number of positions 1 Duration of assignment … months Any other working conditions - travel/on call/shifts None Key Skills Required: Mainframes CICS Webservices Desirable ski click apply for full job details ...

DataPower Engineer Mainframe Modernisation (Contract) Were recruiting for an experienced IBM DataPower Engineer to support a large-scale mainframe modernisation programme within a complex enterprise environment. This is a contract role, ideal for specialists in secure API integration and legacy-to-digital transformation click apply for full job details ...