11 of 11 IBM Mainframe Jobs in the UK

Job Title: Mainframe Platform Engineer Location: Manchester – Hybrid Contract Term: Until 31st December 2025 Day Rate: £298 per day (Inside IR35 via umbrella) Role Overview: We are seeking a skilled Mainframe Platform Engineer to join a high-performing team supporting critical infrastructure on a z/OS IBM Mainframe platform. This role requires deep technical expertise … DevOps principles, and the ability to drive automation and continuous improvement across the software development lifecycle. Key Responsibilities: Design, implement, and support technical solutions on the z/OS Mainframe platform, with a focus on CICS environments. Champion DevOps practices, automating build, development, and release processes to reduce waste and increase efficiency. Provide technical leadership and guidance on mainframe products and subsystems, including CICS resource definition and environment management. Collaborate with developers, architects, testers, and stakeholders to streamline the development and maintenance of mainframe environments. Support incident management by offering technical insight and working with third parties to resolve issues. Monitor live services and identify opportunities for optimisation and improvement. Ensure compliance with governance, change, and release 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 … development process effectively. Work directly with global clients on complex product issues and escalations. Mentor and provide technical guidance to the development team. Requirements: 8+ years' Proven experience with IBM assembler coding and development, Application Development 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 More ❯

Social network you want to login/join with: Senior Software Engineer II (Mainframe with C Programming), united kingdom col-narrow-left Client: Precisely Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 412e7386087f Job Views: 8 Posted: 22.06.2025 Expiry Date: 06.08.2025 col-wide Job Description: Precisely is the leader in data integrity. … learn new technology, tools, systems, and sharing knowledge within the team Other duties may be assigned. Requirements and Qualifications: You have minimum of 5 years development experience working with IBM Mainframes running z/OS operating system. Ideally, this is system level program development. You have minimum of 2 years’ IBM z Assembly language experience and C language More ❯

and customer service skills Strong analytical and problem-solving skills Well organized, able to prioritize, meet deadlines, and identify process risks Knowledge of transfer protocols (FTP/S, SFTP, IBM MQ, Connect: Direct) and computing systems (Linux/Unix, IBM Mainframe) Good understanding of IT networking We offer top-class training and development to help you become More ❯

skills. Strong analytical and problem-solving skills. Well organized, ability to prioritize, meet deadlines, identify process risks and “red flags” Knowledge of transfer protocols including FTP/S, SFTP, IBM MQ Messaging, Connect: Direct – Network Data Mover (NDM) and computing systems including Linux/Unix and IBM Mainframe Good understanding of IT networking We offer top class More ❯

Enterprise Suite product teams and work on enterprise software used by many of the world's largest organizations. You'll contribute to developing compilers, IDE integrations, runtime APIs, and mainframe emulation environments—building tools that support business-critical applications across Windows, Unix, Linux, Containers, and the Cloud. As part of a collaborative, agile team, you'll learn from experienced … exposure and skill in a variety of technologies including databases (Oracle, DB2, MS SQL Server) operating systems (Windows, Linux/UNIX, Z/OS) programming language knowledge system level IBM mainframe experience of CICS, IMS or JCL cloud environments such as AWS, Azure and GCP. What We Offer In-Person Training Programme – A structured training programme designed to More ❯

We are currently looking to onboard Engineers with significant experience in EITHER IBM Mainframe OR AS400 to work on a contract basis for a large bank. The Engineer roles sit within Enterprise Infrastructure in the Chief Technology Office and we are looking for engineers rather than developers. The roles are expected to run for approximately 1 year (likely … preferrred location however it is possible we may be able to consider consultants who would be based from Birmingham or London. Key Requirements 5 years + experience in either IBM Mainframe OR AS/400. The role is focused around the system environment and business application environment, i.e. will likely involve business support and supporting applications on the More ❯

Press Tab to Move to Skip to Content Link Select how often (in days) to receive an alert: Mainframe Technical Architect (Subject Matter Expert) Publication Date: Apr 9, 2025 Ref. No: 520018 Location: Remote Home, GB London, GB Who we are. We are a team of passionate experts with a clear ambition: applying digital technology to advance what matters … to make the right choices with our clients, for our company and for our own futures. Your Job in a Nutshell AMT Architect specializes in designing, optimizing, and maintaining mainframe environments, ensuring scalability, performance, and security, while providing high-level support for technical issues. This position also focuses on designing comprehensive, end-to-end solutions across various technologies to … the product roadmap. Documentation and Reporting : Document customer interactions and solution designs, and provide regular updates on pre-sales activities and feedback. Architecture Design : Develop scalable, reliable, and efficient mainframe architectures. Ensure seamless communication and data exchange between mainframe and other systems. Scalability and Performance: Design for high scalability and optimal performance. Security: Implement security best practices for More ❯

Mainframe Technical Architect (Subject Matter Expert) Publication Date: Apr 28, 2025 Ref. No: 530897 Location: London, GB Who we are. We are a team of passionate experts with a clear ambition: applying digital technology to advance what matters for our clients and society. Together we create reliable and responsive digital foundations for the world’s businesses, institutions, and communities. … skills and backgrounds to make the right choices with our clients, for our company, and for our own futures. Who We Are We are an organization that manages the Mainframe systems of major companies in the UK, maintaining a high level of customer satisfaction. The operations team consists of both onshore and offshore members, working in an integrated and … agile manner on a day-to-day basis. We are looking for a seasoned Mainframe Technical Architect to play an important role as part of this successful team and take an active leadership role within the organization. Your Job in a Nutshell A Mainframe Technical Architect specializes in designing, optimizing, and maintaining mainframe environments, ensuring scalability, performance More ❯

We are currently looking to onboard Engineers with significant experience in EITHER IBM Mainframe OR AS400 to work on a contract basis for a large bank.The Engineer roles sit within Enterprise Infrastructure in the Chief Technology Office and we are looking for engineers rather than developers.The roles are expected to run for approximately 1 year (likely to be More ❯

We are currently looking to onboard Engineers with significant experience in EITHER IBM Mainframe OR AS400 to work on a contract basis for a large bank.The Engineer roles sit within Enterprise Infrastructure in the Chief Technology Office and we are looking for engineers rather than developers.The roles are expected to run for approximately 1 year (likely to be More ❯