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 ❯
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 Storage Consultant on a hybrid working model (remote + on client site, either London or Sheffield) for our growing team in the UK. Responsibilities zSeries Storage Management Working and partnering … . If you'd like more information on your EEO rights under the law, please click here . For Pay Transparency information, please click here . Job Segment: Embedded, Mainframe, Data Center, Linux, Consulting, Technology More ❯
Blackpool, Lancashire, United Kingdom Hybrid / WFH Options
Montash
Role: Mainframe Developer Contract Length: 6 months – extensions available, project runs until 2027 Work Location: Hybrid Remote/Lancashire Start Date: ASAP Industry: Financial Services/Insurance IR35 Status: Outside IR35 Seeking a skilled Systems Analyst/Developer to join a major two-year migration and separation programme. The project focuses on migrating a portfolio from legacy mainframe systems to … a new outsourced platform model. This is a hands-on role suited to someone with deep IBM mainframe expertise who can hit the ground running. Responsibilities: Analyse and interrogate legacy mainframe applications to support source-to-target data mapping Play a critical role in build phase, developing code and executing data extracts based on client specifications Develop code in IBM … z-series mainframe technologies to extract data Work from agreed specs to support the data migration and build activity Support testing and validation phases in a waterfall-esque delivery model Collaborate with Solution Architects and Programme Leads to influence and adapt build scope as needed Active participation in daily stand-up calls with client Skills & Experience Required: Proven, recent development More ❯
Mainframe Security Architect - z/OS | RACF | ACF2 Were seeking an experienced Mainframe Security Architect to join an enterprise infrastructure team, with a focus on safeguarding their IBM Z Series environments. You will be at the forefront of mainframe security strategy, designing and implementing robust access controls, monitoring systems, and risk management frameworks. This is a high-impact role with … wide scope for technical authority and strategic influence across a complex, high-volume infrastructure. Key Responsibilities: Architect and maintain end-to-end security frameworks for IBM Z Series mainframe environments. Lead threat modeling, vulnerability assessments, and remediation plans specific to z/OS, RACF, ACF2 or Top Secret environments. Collaborate with infrastructure, application, and compliance teams to implement secure configurations … control models. Drive security policy enforcement across core systems including CICS, DB2, IMS, and MQ. Evaluate and integrate security tools (e.g. IBM zSecure, CA ACF2 utilities, encryption modules) into mainframe operations. Experience: Proven experience as a security architect or engineer in z/OS or IBM Z Series environments . Strong command of RACF , ACF2 , or Top Secret mainframe security More ❯
Nottingham, Nottinghamshire, East Midlands, United Kingdom Hybrid / WFH Options
Experian Ltd
Lead Mainframe Developer (9 Month Fixed Term Contract) Company Description Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. … of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com. Job Description Experian's Data Office are looking for a Lead Mainframe Developer. You will lead a team of reverse engineers in the analysis and documenting of our existing mainframe ingestion systems, to promote forward engineering of new, cloud-based pipelines by … the root cause investigation/identification of bugs/defects Awareness of different development methodologies (Waterfall and Agile) and a range of technologies (ETL, .Net, Web Services, DB2, Cobol, Mainframe) Reviewing of test results to ensure software meets customer requirements. Business and Technical Knowledge Experience with Experian data processing and platforms. Technical support/assistance for feasibility, estimating and scheduling 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 … innovate, and perfect our solutions on an ongoing basis. BMC is looking for a Lead Product Manager to join our amazing team! The BMC AMI Cloud Vault product provides mainframe cyber threat protection that enables customers to create highly secured, off-platform backup copies of mainframe data-and quickly recover it in case of an attack. This complex and mission 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 for our growing team in the UK, based remotely or on-site in Sheffield. Overview The role involves upgrading and supporting the z/OS operating system and … Upgrading, maintaining, and supporting ISV products from vendors such as IBM and Broadcom The ideal candidate will have the following experience and qualifications: Extensive experience with z/OS Mainframe systems programming (essential) Knowledge of iWS scheduling software Knowledge of SAS Knowledge of Parallel Sysplex Desirable: knowledge of MXG and MICS Proficiency in z/OS, SMP/E, TSO … team across more than 50 countries, providing services in consulting, data, AI, industry solutions, and infrastructure management. Headquartered in Tokyo, part of NTT Group. Visit us at Job Segment: Mainframe, Programmer, Developer, Consulting, Information Technology, Technology More ❯
Kettering, Northamptonshire, United Kingdom Hybrid / WFH Options
Inserso Corporation
We are seeking a Qualitative Test and Evaluation (QT&E) Subject Matter Expert (SME) that will support testing and maintenance of a legacy mainframe system" and "transition to new cloud-based system for the Stock Control System (SCS). This position has a hybrid work schedule each week with two days on-site (Kettering, Ohio facility) and three days of … testing and production support of the SCS, including the JAVA version of the system software to verify that the maintenance and enhancements have been successfully applied to both the mainframe and cloud versions. Coordinate with other members of the SCS SME Team to schedule QT&E testing and documentation of test completion for both the mainframe and cloud environments. Assist More ❯
Leeds, Yorkshire, United Kingdom Hybrid / WFH Options
Lloyds Bank plc
can be confident our IT professionals have sizeable and interesting challenges every single day. In this role, you'll deliver highly complex technical support for systems and processes in mainframe environments, focusing on decommissioning and bug fixing. You'll help maintain and help migrate services according to Group standards and policies (and to agreed service levels) and will assist with … the delivery of investment funded work within mainframe environments - this includes out of hours. Additionally, you'll provide technical support (including incident and problem resolution for systems and processes in complex environments) - again this includes out of hours support. Key responsibilities Provide support for complex environments to tight timescales. Help drive the strategy and design across the mainframe development and … the future, investing in our technologies, workplaces, and colleagues to make our Group a great place for everyone. Including you. What you'll need Assembler programming and support in mainframe environments. A solid background in CICS Systems Programming or CICS Application Development Operational experience on z/OS systems Experience with decommissioning legacy systems Bug fixing and troubleshooting in complex More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Lloyds Bank plc
can be confident our IT professionals have sizeable and interesting challenges every single day. In this role, you'll deliver highly complex technical support for systems and processes in mainframe environments, focusing on decommissioning and bug fixing. You'll help maintain and help migrate services according to Group standards and policies (and to agreed service levels) and will assist with … the delivery of investment funded work within mainframe environments - this includes out of hours. Additionally, you'll provide technical support (including incident and problem resolution for systems and processes in complex environments) - again this includes out of hours support. Key responsibilities Provide support for complex environments to tight timescales. Help drive the strategy and design across the mainframe development and … the future, investing in our technologies, workplaces, and colleagues to make our Group a great place for everyone. Including you. What you'll need Assembler programming and support in mainframe environments. A solid background in CICS Systems Programming or CICS Application Development Operational experience on z/OS systems Experience with decommissioning legacy systems Bug fixing and troubleshooting in complex More ❯
Transformation Solutions, with a deep understanding of system design decisions and their impact on scalability, resilience, and supportability. Experience with data modelling and understanding of Data Architecture. Exposure to mainframe systems and integration. Familiarity with Docker and container orchestration tools such as Kubernetes. Understanding of authentication and authorisation concepts, including experience designing and implementing zero trust models. Knowledge of enterprise More ❯
Halifax, Yorkshire, United Kingdom Hybrid / WFH Options
Lloyds Banking Group
Transformation Solutions, with a deep understanding of system design decisions and their impact on scalability, resilience, and supportability. Experience with data modelling and understanding of Data Architecture. Exposure to mainframe systems and integration. Familiarity with Docker and container orchestration tools such as Kubernetes. Understanding of authentication and authorisation concepts, including experience designing and implementing zero trust models. Knowledge of enterprise More ❯
Leeds, Yorkshire, United Kingdom Hybrid / WFH Options
Lloyds Banking Group
Transformation Solutions, with a deep understanding of system design decisions and their impact on scalability, resilience, and supportability. Experience with data modelling and understanding of Data Architecture. Exposure to mainframe systems and integration. Familiarity with Docker and container orchestration tools such as Kubernetes. Understanding of authentication and authorisation concepts, including experience designing and implementing zero trust models. Knowledge of enterprise More ❯
key IT application controls, including automated business controls and IT general controls, and understanding of change execution and delivery risks. Experience in auditing Operating Systems (e.g., UNIX/Linux, Mainframe, Windows Server, and Windows Desktop), Distributed Systems (e.g., Storage, Backups, and Databases) Network devices (e.g., Routers, Switches, and Firewalls) and data centre resilience. Ability to lead and take ownership for More ❯
Contract Role: Mainframe DB2 Systems Programmer - Banking - Inside IR35 Location: UK (Remote) or Denmark (Hybrid - 10 days/month onsite) Rate: £450-£550/day (Inside IR35, via umbrella) Duration: 6 months+ Start: ASAP Client: Global Consultancy, End Client in the Banking Sector Salt is partnering with a global consultancy supporting a major banking programme , and is looking for an … experienced Mainframe DB2 Systems Programmer to join their infrastructure team. You will be responsible for maintaining a stable, secure, and highly available DB2 environment within a large-scale SysPlex setup . This includes performing upgrades, supporting disaster recovery, and tuning for performance. Key Responsibilities: Install, upgrade, and customise DB2 and related mainframe tooling Perform diagnostics, root cause analysis, and issue … and infrastructure teams Provide 24 7 on-call support on a rota basis Document best practices, procedures, and runbooks Essential Skills: 7+ years of DB2 systems programming in a mainframe environment Experience in large data sharing SysPlex setups Strong troubleshooting across both infrastructure and DB2 layers Proven capability in performance tuning , monitoring, and system stability Desirable Skills: Experience with IDAA More ❯
United Kingdom 2 days ago London, England, United Kingdom 1 week ago Head of Sales Financial Institutions & Banks London, England, United Kingdom 6 days ago Senior Director - Product Management - Mainframe (Remote) London, England, United Kingdom 9 hours ago London, England, United Kingdom 1 week ago Product and Proposition Director - Challenger Bank London, England, United Kingdom 1 month ago Vice President More ❯
Milton Keynes, Buckinghamshire, England, United Kingdom Hybrid / WFH Options
FryerMiles Recruitment
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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Sanderson
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 ❯
Exeter, Devon, United Kingdom Hybrid / WFH Options
Met Office
during IT and infrastructure projects to ensure that the Met Office maintains its operational effectiveness during installation or decommissioning activities for systems such as desktops, servers, audio-visual equipment, mainframe and HPC. High calibre teamwork: As a key member of a vibrant team of circa 20 high skilled Network engineers, you will foster knowledgeshare,collaborationand continuous improvement.At HQ, the CIDA More ❯