1 to 25 of 41 Mainframe Jobs in the UK

Senior Mainframe Migration Consultant, ProServe Mainframe Center of Excellence Job ID: AWS EMEA SARL (Spain Branch) - G84 The Amazon Web Services Professional Services (ProServe) team is seeking a skilled Senior 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 … 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 Senior 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 Senior Delivery Consultant will also deliver focused guidance by developing solutions, technologies, and industries knowledge. Key job responsibilities As an experienced technology More ❯

Senior Mainframe Migration Delivery Consultant, ProServe Mainframe Center of Excellence Job ID: AWS EMEA SARL (France Branch) The Amazon Web Services Professional Services (ProServe) team is seeking a skilled Senior 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 … 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 Senior 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 Senior Delivery Consultant will also deliver focused guidance by developing solutions, technologies, and industries knowledge. Key job responsibilities As an experienced technology More ❯

cloud platforms. Troubleshoot and resolve application issues across multiple stacks. Utilize expertise in custom skills, including at least two primary technology skills (e.g., Java, Open Source, databases, Integration technologies, Mainframe, IBMi, and Data AMS). Collaborate with cross-functional teams to ensure seamless application management and deployment. Mentor junior developers, providing guidance and support in their professional development. Required technical 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 ❯

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 JBRP1_UKTJ More ❯

in VisionPLUS Online architecture, CICS and dealing (coding, debugging etc.) with online components Full hands-on engineering skills in VisionPlus coding -Vision Plus (CMS, FAS, VMx, TRAMS, IAS) and Mainframe technologies (Cobol, CICS, JCL, IAM, VSAM, EZT, File-Aid/Manager) Must have fair knowledge in CMS module 5 - 15 years of Significant software development experience Must have worked/ 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 ❯

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 ❯

IT operations, network security, and compliance, to ensure alignment of security initiatives and adherence to regulatory requirements. Support the CyberArk infrastructure OS upgrades, on various technologies (Linux, Windows and Mainframe) Ability to develop and amend CyberArk connectors/plug-in Provide training and organize project hand-over to the operational teams, sharing best practices. Your qualifications required Bachelor's degree 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

Role: Mainframe Developer Start Date: ASAP – 19/12/25 Contract Length: 3 Months Work Location: Remote IR35 Status: Outside IR35 Join a critical public sector transformation project focused on decommissioning legacy mainframe systems. Urgently seeking an experienced Mainframe Developer with strong ICL VME & COBOL skills to support the migration of essential services (including payroll) off mainframe before an … end-of-year deadline. Key Responsibilities: Reverse-engineer and interpret ICL VME mainframe applications written in COBOL Support the migration of codebases into Windows DLL equivalents Work with existing scripts to ensure functionality is retained and transitioned effectively Provide technical expertise in legacy systems decommissioning Collaborate with internal teams to troubleshoot and validate transitions in a high-pressure, time-sensitive … environment Assist in GNU-based IBM tooling if experienced Skills & Experience Required: Strong hands-on experience with ICL VME mainframe systems Strong expertise in COBOL, analysing and reworking legacy business logic Understanding of mainframe-to-modern transitions Desirable: Experience with GNU on IBM environments Public sector experience More ❯

I am currently working with a charitable organisation that is looking to add to their senior team. You will be responsible for the strategic management of back office, mainframes and systems within the organisation, ensuring the organisation is safeguarded against potential security risks. This role will guide the organisation in aligning with innovative digital and IT implementations, positioning it strategically More ❯

understanding of hardware, software and operating systems, along with advanced troubleshooting capabilities to address and resolve significant issues escalated from team members and/or clients. • Tests and certifies mainframes, servers and other infrastructure associated with networks and peripherals. You will be successful in this role if you have: High School Diploma or GED required May require technical certification or More ❯

Job Summary: We are seeking a highly skilled Mainframe Infrastructure Specialist with deep expertise in IBM i and IBM z systems. The ideal candidate will have strong experience in infrastructure management, storage systems, and hardware, along with hands-on proficiency in CICS , DB2 , and IBM mainframe technologies . Key Responsibilities: Manage and maintain IBM i & IBM z infrastructure, ensuring optimal … performance and reliability. Administer and support mainframe storage systems and hardware components. Provide technical expertise in CICS and DB2 environments. Collaborate with cross-functional teams to support infrastructure upgrades, migrations, and troubleshooting. Monitor system health and implement proactive measures to prevent downtime. Document infrastructure configurations, processes, and procedures. Required Skills & Qualifications: Strong experience with IBM i and IBM z platforms. … In-depth knowledge of mainframe infrastructure, storage systems, and hardware. Hands-on experience with CICS and DB2 . Familiarity with system performance tuning and capacity planning. Excellent problem-solving and analytical skills. Strong communication and collaboration abilities. More ❯

both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here. NTT DATA is currently looking for a z/OS Mainframe Systems Programmer with DevOps remote + on client site (Sheffield) forour growing team in the UK. Overview An exciting opportunity has been created for an experienced z/OS Mainframe … and supporting ISV products particularly from the vendors; IBM and Broadcom The ideal candidate for this role will have the below experience and qualifications: Must have extensive experience of mainframe systems programming. This is essential to the role Must have knowledge of iWS scheduling software Must have knowledge of SAS Desirable to have knowledge of MXG and MICS Must have 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 31-bit Assembler programming languages. Coding experience in a multitasking, reentrant and/or sysplex environment. Experienced creating functional designs/specifications from business requirements. Experience with IBM Mainframe environment (TSO/ISPF, JCL etc.). Excellent knowledge of z/OS structure and logic including knowledge of z/OS operating system internals. Experience in developing working code More ❯

System Analyst/Mainframe Developer Initial 6 Month Contract Hybrid Monthly visit to Lytham £500-£520pd (Outside IR35) We are currently seeking a skilled System Analyst/Mainframe Developer with proven experience in IBM z-series mainframe technologies. The ideal candidate will have a strong understanding of PL1, SYNCSORT, DB2, IMS DB, MVS JCL, TSO, JobTrac, ENDEVOR, and File Manager. … Role Requirements: Experience interrogation of mainframe applications built in the above technologies to support data mapping (e.g., Source to Target data fields). Proven experience in developing codebases in the specified technologies to undertake data extracts based on agreed specifications. Experience in large-scale migration programmes is advantageous. Background in Life, Protection, or Insurance roles is beneficial. Recent experience of More ❯