1 to 25 of 57 Mainframe Jobs in the UK

Mainframe Migration Delivery Consultant, ProServe Mainframe Center of Excellence Job ID: AWS EMEA SARL (UK Branch) The Amazon Web Services Professional Services (ProServe) team is seeking a skilled Delivery Consultant - Mainframe Migration to join our team at Amazon Web Services (AWS). In this role, you'll work closely with customers to design, implement, and manage AWS solutions that meet … customer success through their cloud journey, providing technical expertise and best practices throughout the project lifecycle. Possessing a deep understanding of AWS products and services, as a Delivery Consultant- Mainframe Migration you will be proficient in architecting complex, scalable, and secure solutions tailored to meet the specific needs of each customer. You'll work closely with stakeholders to gather requirements … enterprise cloud computing initiatives. Our team provides assistance through a collection of offerings which help customers achieve specific outcomes related to enterprise cloud adoption. As part of the ProServe Mainframe Center of Excellence (MCOE) a specialty practice, the Delivery Consultant will also deliver focused guidance by developing solutions, technologies, and industries knowledge. Key job responsibilities As an experienced technology professional More ❯

Experience working on global initiatives with teams/stakeholders in multiple locations Full hands-on engineering skills in VisionPlus coding , especially in: VisionPLUS modules: CMS, FAS, VMx, TRAMS, IAS Mainframe technologies: Cobol, CICS, JCL, IAM, VSAM, EZT, File-Aid/Manager More ❯

software development, ideally in large-scale financial services environments. - Strong hands-on development expertise in VisionPLUS, especially within modules such as CMS, FAS, VMX, TRAMS, and IAS. - Proficiency in mainframe technologies including Cobol, CICS, JCL, IAM, VSAM, EZT, and File-Aid/Manager. - Demonstrated experience managing technical teams and liaising with a variety of stakeholders. - Familiarity with governance and reporting More ❯

software development, ideally in large-scale financial services environments. - Strong hands-on development expertise in VisionPLUS, especially within modules such as CMS, FAS, VMX, TRAMS, and IAS. - Proficiency in Mainframe technologies including Cobol, CICS, JCL, IAM, VSAM, EZT, and File-Aid/Manager. - Demonstrated experience managing technical teams and liaising with a variety of stakeholders. - Familiarity with governance and reporting More ❯

VisionPLUS product suite Strong understanding of at least two modules: CMS (Customer Management System), FAS (Financial Authorization System), TRAMS, CTA, MBS, etc. Experience in COBOL , JCL , CICS , VSAM , and Mainframe utilities Knowledge of Card Payments , Loyalty Programs , EMV , and Authorization Flows Experience working with batch cycles , file processing, and job scheduling tools Good understanding of software development lifecycle (SDLC) Experience More ❯

and design Azure-based solutions that meet performance, compliance, and cost-efficiency goals. - Advising C-Suite in Customers: Build trusted relationships with CIOs, CTOs, and enterprise architects to align mainframe modernisation with broader digital transformation strategies. - Remove Technical Roadblocks: Address challenges related to mainframe integration, data migration, and workload compatibility. Collaborate with engineering and product teams to resolve blockers. - Win … Over Competitors:Demonstrate Azure's differentiation in mainframe modernisation compared to AWS Mainframe Modernization and GCP Dual Run. - Incubation to Mainstream: Develop and share mainframe-specific solution accelerators, migration playbooks, and automation frameworks. - Engineering Feedback Loop: Provide structured feedback from mainframe engagements to influence Azure product development. - Knowledge Transfer: Enable field teams and partners through technical briefings and readiness sessions … focused on mainframe migration scenarios. - Thought Leadership: Publish blogs, whitepapers, and present at industry events on mainframe transformation best practices and customer success stories. Qualifications (Text Only) - 5-7 years of experience leading large-scale cloud engagements, including infrastructure migration and application modernisation. - Mainframe Expertise: Proven experience with IBM mainframe environments, including z/OS, JCL, COBOL, CICS, IMS, DB2 More ❯

working on global initiatives, engaging with team members and stakeholders in multiple locations. Full handson engineering skills in VisionPlus coding in technologies -Vision Plus (CMS, FAS, VMx, TRAMS, IAS) Mainframe technologies (Cobol, CICS, JCL, IAM, VSAM, EZT, File-Aid/Manager More ❯

Architect working on legacy systems modernisation . Strong understanding of UVM (Unified Virtual Management) or similar virtual infrastructure environments. Background in infrastructure architecture , systems integration, and virtualisation. Experience in mainframe Legacy platforms Familiarity with migration approaches , especially phased or hybrid transition models. Excellent stakeholder communication and technical documentation skills. Desirable: Experience with VMware , Hyper-V , or similar technologies. Knowledge of More ❯

reporting that inform strategic decisions around IT infrastructure usage and costs. Key Responsibilities: Lead and support FinOps initiatives focused on on-premise infrastructure cost optimisation (e.g. servers, storage, databases, mainframes, PCs, software licences) Design and implement initiatives to drive rightsizing and reuse, reducing datacentre footprint, energy use, and spend Collaborate with stakeholders to gather functional and business requirements and translate More ❯

comparable qualification. Nice to have • Experience of Identity and Access systems (with a focus on request & approval, provisioning, recertification, admissions/exits)• Cloud Architect qualification is plus.• Knowledge of Mainframe access, Active Directory, OIM, ForgeRock, SailPoint is a plus.• Experience with Cloud migration is a plus More ❯

Technology tower as part of the Infrastructure & Cloud team, reporting to the Category Director. The team supports spend of c.£400m per annum, with key spend areas including Cloud, Mainframe, Compute, Databases and Infrastructure software. The role activities are global and include the engagement and ongoing management of third-party suppliers, the sourcing and vendor strategy, and roadmap for the More ❯

can categorize the services in the following key areas: Proposing On-Prem FinOps tactics to highlight rightsizing and cost reduction opportunities across CTO technology services (eg servers, storage, database, mainframe, PCs, licences) Tracking benefits achieved through rightsizing, including direct cost impacts, reduced datacentre space, power and carbon and re-use. Designing and delivering initiatives within the On-Prem FinOps team More ❯

level knowledge and experience with technical deployments of exposure/vulnerability management systems for large enterprises, across a diverse technology stack (IaaS/PaaS/SaaS/physical/mainframe/hybrid-cloud) and delivery lifecycles (Project/COTS applications, DevOps) Expertise with Qualys and other vulnerability and exposure management technologies Expertise in the full vulnerability management lifecycle Vendor and More ❯

key areas: Supporting the analysis, planning and execution of optimisation/rightsizing tactics, working with business aligned IT functions to optimise their on-premise infrastructure (eg servers, storage, database, mainframe, PCs) consumption and spend. Tracking benefits achieved through rightsizing, including direct cost impacts, reduced datacentre space, power and carbon needs, and the re-use of relinquished assets (thus deferring additional More ❯

a pivotal role in integrating advanced technologies that power resilient, scalable systems-critical to the success of our enterprise-wide infrastructure and application services. If you're passionate about mainframe systems, thrive in high-impact environments, and want to shape the future of banking technology, we'd love to hear from you. To be successful as an IMS Systems Programmer More ❯

achieve in the cloud. BASIC QUALIFICATIONS - Bachelor's degree in computer science, engineering, related field, or equivalent experience - 5+ years of hands-on experience in migration and modernization of mainframe applications to cloud platforms using refactoring approach - Strong hands-on experience in Java and Spring Boot framework development and experience with RESTful web services using Spring Boot - Proficiency in Spring … framework components (Spring MVC, Spring Data, Spring Security) and Experience with ORM frameworks like Hibernate/JPA - Hands-on experience in mainframe technologies including COBOL, JCL, DB2, CICS, IMS, VSAM, PL/1, Assembler, REXX, etc. - Knowledge of various modernization strategies such as rehosting, replatforming, and refactoring - AWS experience required, with proficiency in services such as EC2, S3, RDS, DynamoDB … technical audiences PREFERRED QUALIFICATIONS - AWS Professional level certifications (e.g., Solutions Architect Professional, DevOps Engineer Professional) - AWS Blu Age L3 certification - Knowledge of testing frameworks like JUnit, Mockito - Knowledge of mainframe modernization tools like Micro Focus, Blu Age, Astadia, AWS Mainframe Modernization Service - Familiarity with containerization of Spring Boot applications using Docker - Exposure to Generative AI coding assistants such as Amazon More ❯

client is accelerating plans to modernise their estate - migrating a large, mixed portfolio of applications to cloud or SaaS platforms. This is a critical programme of work focusing on mainframe, open systems (AIX, Solaris, Linux, Windows), and SQL Server-based applications. You'll work closely with SMEs across multiple domains to assess and plan migration strategies that align with the … organisation's future-state architecture - including AWS and Azure. Key Responsibilities Lead architectural assessment and strategy for migrating legacy and mainframe applications to cloud platforms. Evaluate applications for multiple migration paths: decommissioning, replatforming, rewriting, SaaS replacement, or mainframe lift-and-shift. Analyse technical stacks and integrations (CICS COBOL, IMS, VSAM, QSAM, relational databases, flat file systems). Collaborate with application … target platforms and integration strategies. Provide architectural guidance on cloud-native solutions, including AWS Lambda, ECS/EKS, RDS, S3, EFS, and containerised/serverless platforms. Explore use of mainframe migration tooling, cloud-based COBOL runtimes, and compiler compatibility. Support migration of storage (NAS) and file systems, potentially to Azure NetApp Files or equivalent. Produce high-level and detailed migration More ❯

and owning service management There isn't any better time to join the organisation as they have invested heavily on some of the biggest and best technology and global mainframes but also the change for you to impress and progress in a hugely supportive but exciting environments. What's in it for you? Circa £110,000, based on experiences plus More ❯

place they want it, across our omnichannel businessThe technology supporting John Lewis Commercial is a blend of commercially available third-party platforms, bespoke in-house systems, and tightly coupled mainframe legacy applications, all interconnected through integrations with other areas of the business. These systems must not only be highly resilient but also adaptable, enabling us to enhance operational efficiency and More ❯

in the pursuit of innovation! The IZOT product line includes BMC's Intelligent Z Optimization & Transformation products, which help the world's largest companies to monitor and manage their mainframe systems. The modernization of mainframe is the beating heart of our product line, and we achieve this goal by developing products that improve the developer experience, the mainframe integration, the … and z/OS Processing Environment. Extensive development experience using 64-bit Assembler and 31-bit Assembler programming languages. Experience with C, REXX, Python is a plus Experience with Mainframe environment (TSO/ISPF, JCL etc) , IBM Mainframe z/OS internals (JES2, SMS, HSM); z/OS communications TCP/IP and VTAM and IBM Utilities (IEBGENER, etc.) Working … knowledge of mainframe debugging tools : IPCS,XDC, FILEAID Coding experience in a multitasking, reentrant and/or sysplex environment Understanding of zLinux and Unix System Services. Experience with code merging activities using source code control systems such ISPW. In depth experience in troubleshooting problems and debugging code at application levels to resolve technical issues and upgrade software and assist in More ❯

Role : Mainframe Test Lead Location : London Work Mode : Hybrid Job Description: The objective of this role is to validate the Test coverage and Testing evidence that the upgrades made to DB2, IMS, MQ Subsystems do not impact the application functionality. In addition to the above, the role requires to identify the application regression test cases associated to the below subsystems … hence a deep understanding of the Mainframe systems i.e. DB2, IMS, MQ, COBOL, JCL are essential. Key Responsibilities: Lead end-to-end testing efforts for mainframe applications and APIs. Design and implement testing approach, Test plan, and Review Test cases for mainframe systems involving IMS and MQ. Collaborate with development, business, and QA teams to understand requirements and ensure test … and manage test data. Identify, document, and track defects using tools like JIRA or HP ALM. Ensure compliance with quality standards and best practices. Required Skills: Strong experience in mainframe testing (COBOL, JCL, DB2). Hands-on experience with IMS/CICS and IBM MQ . Proficiency in API testing using tools like Postman , SoapUI , or ReadyAPI . Experience with More ❯

Strong knowledge of network security principles and technologies. Demonstrated experience in large-scale, complex IT environments. Desirable Skills: Awareness of Wintel and Red Hat server systems. Basic understanding of mainframe technologies. Familiarity with broader IT infrastructure domains. Solution Architect - Enterprise Networking - 6 Month Contract - £500 - £580 per day (Via Umbrella) - Milton Keynes, Buckinghamshire - Hybrid working - 3 days Onsite More ❯

remote 12-month contract £450/day overall assignment rate to umbrella Working with a financial services client who are looking for a DB2 DBA, this will not be mainframe focused but LUW. DB2 DBA, key responsibilities: Manage and test disaster recovery procedures; restore databases using DB2 tools; ensure data integrity and minimal downtime. Design and maintain automated backup strategies More ❯

risk implementations requiring integration between multiple parties (internal/external) to ensure safe delivery Coordinates the integration process and/or implementation events across shared infrastructure (e.g. Upgrading the Mainframe); leads on the SI process, coordinating parties to get the change over the line Provides expertise (not content) for governance activity owned by the Product Owner, e.g. PRIA, for change More ❯

at times during the day and on call Contract Type: Permanent - Full Time Our Team Our Data Centre team sit within the Core IAAS function and includes Storage Management, Mainframe and Networks. We're looking for an Engineer to bring expertise and knowledge in the management of our two Datacentres situated in Clydebank and Hillington.In the event of an incident More ❯