25 of 25 Mainframe Jobs in the UK excluding London

Contract Role - Mainframe Assembler Developer – Contract – Leeds/Halifax/Edinburgh/Hybrid – 06 Months Initial We are currently seeking a skilled and proactive Mainframe Assembler Developer to join a leading financial institution. You will play a key role in supporting and enhancing legacy systems critical to banking operations. The ideal candidate will have strong technical expertise in Assembler and … related mainframe technologies, combined with solid experience in high-volume, regulated environments. Role Overview: Job Title: Mainframe Assembler Developer Location: Leeds/Halifax/Edinburgh/Hybrid (2 days per week onsite) Contract Type: Contract Duration: 06 months initially Sector: Banking Required Skills & Experience: Proven experience with IBM Mainframe Assembler (HLASM) development. Strong understanding of z/OS , JCL , TSO … written and verbal. Nice to Have: Knowledge of regulatory and compliance requirements in the banking domain. Exposure to system modernization or migration projects. Experience with automated testing tools for mainframe environments. Please feel free to contact myself – Daisy Nguyen at Gibbs Consulting for a confidential chat to know more details about the role. Please also note: Due to the volume More ❯

acquire the remainder on the job. TAL, pTAL, COBOL85, SCOBOL, TACL, C/C++. Guardian, OSS, EMS, DDL, Escribe, FUP, TS/MP (Pathway), Inspect, TMF. Experience of IBM mainframe systems would be beneficial. Benefits Competitive salary based on demonstrated skills. Flexible working hours and location. Multicultural and friendly working environment. The opportunity to be a key member of our More ❯

analyse, and document business and technical requirements, transforming them into actionable deliverables. Develop and maintain the benefits realisation profile, ensuring traceability of business value and ownership. Provide expertise on Mainframe LAM processes, data, and roles. Define clear and testable acceptance criteria to validate delivery outcomes. Analyse the Target Operating Model (TOM) and migration strategy to refine scope, identify changes, and More ❯

Mandatory Skills Description: 8+ years in enterprise application architecture, with at least 3 years in modernization. Proven ability to assess legacy estates and define future-state architectures. Proficiency in mainframe tech (COBOL, DB2, CICS) and modern stacks (Java, Spring, microservices). Exposure to GenAI use cases in application engineering and code conversion. Strong client communication, technical documentation, and stakeholder alignment 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 ❯

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 ❯

NEW CONTRACT ROLE - ENDEVOR ADMINISTRATOR (MAINFRAME SUPPORT) UK-Based Candidates Only | 6-Month Contract | Hybrid - 2 Days Onsite (Manchester) To apply, email: THE OPPORTUNITY We're looking for an experienced Endevor Administrator to join a leading financial services organisation on a 6-month contract. This role will be responsible for managing and maintaining mainframe source code management environments using CA … Endevor , ensuring smooth release, version control, and deployment processes across multiple environments. This position is ideal for candidates with strong mainframe administration and Endevor configuration experience, who thrive in collaborative development and release management environments. THE ROLE Administer and maintain CA Endevor environments across multiple LPARs. Manage version control and change management processes for mainframe applications. Create and maintain processor … production deployments. Maintain accurate documentation for procedures, configurations, and troubleshooting. Ensure compliance with internal security and regulatory standards. TECHNICAL SKILLS/REQUIREMENTS 8+ years' experience in Endevor administration or mainframe application support . Strong working knowledge of JCL, TSO/ISPF, REXX, and CLIST . Experience with ACF2 or RACF for security administration. Familiarity with backup and storage management tools More ❯

requirements. Essential Skills and Experience: Strong experience with COBOL development. Hands-on experience with ICL VME and PL/SQL . Knowledge of structured programming and batch processing in mainframe environments. Ability to work effectively in a remote UK-based team. BPSS minimum security clearance (SC preferred). This is an excellent opportunity for a skilled COBOL developer to contribute More ❯

IBM Mainframe Cobol Senior Developer - East Midlands to £54K + bonus + pension + other great corporate benefits inc relocation package Excellent opportunity to join one of the UK's most successful FTSE100 companies as an IBM Cobol Senior Developer. You will need to have a minimum of 8 years experience as an IBM Cobol Developer and the ability to … be advantageous. Key skills: Cobol/CICS Cobol Adabas (training will be given) Natural (training will be given) DB2 SQL JCL Desirable: zOS connect Websphere MQ XML JSON IBM Mainframe Cobol Senior Developer - East Midlands More ❯

IBM Mainframe Cobol Senior Developer - East Midlands to £54K + bonus (c10%) + pension + other great corporate benefits inc relocation package Excellent opportunity to join one of the UK's most successful FTSE100 companies as an IBM Cobol Senior Developer. You will need to have a minimum of 8 years recent experience as an IBM Cobol Senior Developer and … be advantageous. Key skills: Cobol/CICS Cobol Adabas (training will be given) Natural (training will be given) DB2 SQL JCL Desirable: zOS connect WebSphere MQ XML JSON IBM Mainframe Cobol Senior Developer - East Midlands More ❯

at the heart of Bank Chief Technology Office (CTO) – operating, maintaining & transforming the technology infrastructure used by the rest of the bank to run applications & services (servers, storage, databases, mainframe, middleware, internal cloud & automation technologies amongst others). In this role, you will: • Support financial management activities for Enterprise Infrastructure – across both expenses & internal customer charges: o Annual planning/ More ❯

and implement action plans, follow up and meet set targets. Work with O/S on accounts as applicable. Sales Administration and systems – Effectively use all computer systems - SAM, Mainframe, IAP, WIRE, Lotus Notes, etc. Good understanding and proficient use of Microsoft Excel. Manage PC filing, other paperwork, processes and engage relevant internal support to provide an efficient and timely More ❯

An exciting opportunity has arisen for an experienced Mainframe DB2 System Programmer to join a dynamic infrastructure engineering team, supporting mission-critical applications and data systems across enterprise platforms. This role is ideal for a professional who thrives on ensuring reliability, scalability, and performance in complex environments while embracing automation and continuous improvement. The Role The Mainframe DB2 System Specialist … will be responsible for building, maintaining, and enhancing mainframe infrastructure that underpins key business operations. Working with cutting-edge tools and technologies, the role involves delivering secure, resilient, and automated solutions that support large-scale data systems and business applications. Key Responsibilities Install, maintain, and upgrade IBM DB2 and associated products, including DB2 CA, DB2 Connect, and Data Studio. Oversee … the performance, availability, and security of mainframe infrastructure and DB2 databases. Develop and implement automation scripts to streamline operational processes and reduce manual intervention. Monitor system health, identify issues, and resolve incidents efficiently using data-driven approaches. Collaborate closely with engineers, architects, and product teams to deliver scalable, high-performing solutions aligned with business goals. Apply best practices in system More ❯

Contract Role: Endevor Administrator (Mainframe) Location: Hybrid - Manchester (2 days onsite per week) Duration: 6 months initial contract Rate: £350/day (Inside IR35) Eligibility: BPSS clearance required We are seeking an experienced Endevor Administrator to manage and support Mainframe source code management using CA Endevor. The successful candidate will be responsible for maintaining environments, supporting development teams, and ensuring … smooth release and deployment processes across multiple LPARs. This role offers the opportunity to work within a collaborative technical environment, contributing to essential Mainframe and release management operations. Key Responsibilities Administer and maintain CA Endevor environments across multiple LPARs. Manage version control and change management processes for Mainframe applications. Create and maintain processor groups, element types, and Endevor exits. Perform … production deployments. Document procedures, configurations, and troubleshooting steps. Ensure compliance with internal controls and regulatory standards. Required Skills and Experience Minimum of 8 years' experience in Endevor administration or Mainframe system support. Strong working knowledge of JCL, TSO/ISPF, REXX, and CLIST. Experience with ACF2 or RACF for security administration. Familiarity with Tivoli Storage Manager or similar backup tools. More ❯

Contract Role: Endevor Administrator (Mainframe) Location: Hybrid - Manchester (2 days onsite per week) Duration: 6 months initial contract Rate: £350/day (Inside IR35) Eligibility: BPSS clearance required We are seeking an experienced Endevor Administrator to manage and support mainframe source code management using CA Endevor. The successful candidate will be responsible for maintaining environments, supporting development teams, and ensuring … smooth release and deployment processes across multiple LPARs. This role offers the opportunity to work within a collaborative technical environment, contributing to essential mainframe and release management operations. Key Responsibilities Administer and maintain CA Endevor environments across multiple LPARs. Manage version control and change management processes for mainframe applications. Create and maintain processor groups, element types, and Endevor exits. Perform … production deployments. Document procedures, configurations, and troubleshooting steps. Ensure compliance with internal controls and regulatory standards. Required Skills and Experience Minimum of 8 years’ experience in Endevor administration or mainframe system support. Strong working knowledge of JCL, TSO/ISPF, REXX, and CLIST. Experience with ACF2 or RACF for security administration. Familiarity with Tivoli Storage Manager or similar backup tools. More ❯

Security Analyst - Mainframe RACF Location: Welwyn Garden City (Shire Park) - Hybrid Working Function: Technology Security and Capability Duration- fixed term contract - 6 months About the role We're seeking a skilled Mainframe Security Analyst to join a Security Operations & Detections team at one of the UK's leading retail organisations. You'll play a key role in protecting their mainframe … environments by supporting security initiatives, maintaining access controls, and responding to security alerts. Working closely with colleagues across Technology and the wider business, you'll help ensure their mainframe platforms remain secure, resilient, and well-controlled. This is a fantastic opportunity to contribute to large-scale enterprise security in a complex, high-impact environment. What you'll be doing Responding … to user requests and incidents in the RACF ticketing system. Reviewing and processing change requests for RACF access. Monitoring daily tasks and controls to maintain operational efficiency. Responding to mainframe security alerts. Administering RACF Role-Based Access Control (RBAC) and Privileged Access Management (PAM) systems. Managing access recertification with data owners. Creating and maintaining internal documentation, including runbooks, processes, and More ❯

Security Analyst – Mainframe RACF Location: Welwyn Garden City (Shire Park) – Hybrid Working Function: Technology Security and Capability Duration- fixed term contract – 6 months About the role We’re seeking a skilled Mainframe Security Analyst to join a Security Operations & Detections team at one of the UK’s leading retail organisations. You’ll play a key role in protecting their mainframe … environments by supporting security initiatives, maintaining access controls, and responding to security alerts. Working closely with colleagues across Technology and the wider business, you’ll help ensure their mainframe platforms remain secure, resilient, and well-controlled. This is a fantastic opportunity to contribute to large-scale enterprise security in a complex, high-impact environment. What you’ll be doing Responding … to user requests and incidents in the RACF ticketing system. Reviewing and processing change requests for RACF access. Monitoring daily tasks and controls to maintain operational efficiency. Responding to mainframe security alerts. Administering RACF Role-Based Access Control (RBAC) and Privileged Access Management (PAM) systems. Managing access recertification with data owners. Creating and maintaining internal documentation, including runbooks, processes, and More ❯

Role – Senior Consultant Technology – Card & payment, VisionPlus, Mainframe Business Unit – FSDCG Compensation – Competitive (including bonus) The role requires the employee to be working fulltime onsite in Basildon. Job Description Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would be possible without an equally amazing culture … knowledge of VisionPLUS product. • Strong hands-on working knowledge in one of the CMS, TRAMS, FAS VMx applications • Strong knowledge of COBOL JCL, VSAM and CICS • Well versed with Mainframe technologies such as Endeavor, Changeman • Experience in design and development of medium complex problems • Strong interpersonal and communications skills Personal Besides the professional qualifications of the candidates we place great More ❯

Express Recruitment are excited to be working alongside a leading firm in the Tech sector offering a range of unique products and services. Our client is seeking a Mainframe Automation Engineer to join them on an initial 6 month contract. The role involves supporting an exciting migration project. In return, the successful candidate will receive a competitive day rate of … up to £510 inside IR35. Roles & Responsibilities Provide Mainframe Automation and output management support Communicate and collaborate with the wider Tech/Mainframe team to handle escalated issues Comply with ITIL practices and processes Manage Mainframe Automation tools in line with ITIL processes, and company-wide security, compliance and policies Skills & Experience Knowledge and experience working with Mainframe systems and More ❯

We are seeking an experienced Mainframe Developer with expertise in COBOL, JCL, and CICS to join our team. The ideal candidate will have a strong background in batch flow analysis and development, as well as experience in the billing and pricing domain. Experience in handling rewrite and migration projects is also highly desirable. Key Responsibilities: Design, analyze, and develop solutions … using mainframe technologies, primarily COBOL, JCL, and CICS. Conduct batch flow analysis and implement efficient batch processing solutions. Work closely with stakeholders to gather requirements and ensure the successful implementation of billing and pricing systems. Participate in rewrite and migration projects, ensuring seamless transitions and minimal disruption to existing systems. Troubleshoot and resolve issues related to mainframe applications, ensuring high More ❯

Mainframe Systems Automation Engineer - Migration Project Contract: 6 months (likely extension) Location: Primarily remote working (occasional office visits in Nottingham) Start: ASAP We're looking for an experienced Systems Automation Engineer to support a major Mainframe migration project. You'll be joining during a critical phase of the project, helping to deliver through UAT, testing and decommissioning stages. Most of … software. Collaborate with internal stakeholders to ensure delivery milestones are met. Work flexibly, including occasional Sunday evening support during critical cutovers. What We're Looking For: Strong knowledge of Mainframe systems. Experience with OPSMVS, CA-View, CA-Deliver or Control-M. REXX experience highly desirable. Background in system automation, migrations or output management. Excellent communication and problem-solving skills. Splunk More ❯

a major transformation programme aimed at enhancing digital capabilities and improving the customer experience. Responsibilities of the role: Leading the development and support of key business applications, from Legacy Mainframe to modern cloud-based systems. Managing the full application life cycle and ensuring reliable service delivery across multiple business areas (eg finance, HR, logistics, marketing). Overseeing a team of … providers. Supporting planning, resource management, and delivery of both BAU and project work. About you Extensive experience in enterprise application delivery and support. Strong background managing teams working on Mainframe and distributed systems. Comfortable with Agile and traditional project delivery methods. Solid technical understanding, especially around Legacy (ideally Cobol-based systems). Great communicator, with the ability to influence and More ❯

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 More ❯

Technology Lead - JP Morgan - Bournemouth - ONSITE We are seeking a Technology Lead to join J.P. Morgan's Mainframe & Midrange Compute team in Bournemouth on a permanent basis via the Robert Walters Consultancy. Financial services experience and a strong business mindset are preferred. Knowledge of enterprise computing platforms is an advantage, though full training can be provided. The role The Mainframe … Midrange Compute (MMC) team at JPMorgan Chase, plays a vital role in supporting the backbone of our global technology infrastructure. Our platforms-including Mainframe, NonStop, IBMi, and VSI Power-are essential to delivering reliable services to customers, clients, and businesses worldwide. As part of the MMC Supply Chain Engineering team, you'll be a key contributor to the tools and More ❯

to Do Great Things. As a trusted technology adviser and managed services provider, we help clients navigate continuous change and embrace innovation. We deliver world-class hybrid cloud, Infrastructure, mainframe transformation, data, IDAM, and cloud-native solutions, simplifying complex business challenges and creating new pathways to success. Headquartered in the USA and backed by private equity, Ensono has a strong … strategic and complex deals in our portfolio. This quota-carrying senior sales executive role is dedicated to originating and closing multi-million-pound opportunities that span cloud, infrastructure, and mainframe, as well as areas such as data, digital, and security services. You will manage the end-to-end sales cycle for high-value strategic pursuits, working closely with the Ensono More ❯