26 to 50 of 101 Mainframe Jobs in the UK

risks, dependencies, suppliers and stakeholders. Establishing support models, SLAs, disaster recovery and service catalogues. Banking or financial sector experience is desirable. You'll coordinate mainframe, Linux, networking, storage, security and service management teams to deliver a secure, resilient, production-ready infrastructure service. If this role is of interest, apply ...

organisation. You will also be responsible for enterprise monitoring, responding to network and system events, managing business-critical applications on IBM Z Series mainframes within a 24x7 shift environment, ensuring high system availability, successful batch job completion, optimal system performance, and operational efficiency and engaging 2nd line support where needed. ...

Mainframe Batch Scheduling & Automation Specialist City/State Bradford (Hybrid, 2 days per week in the office) Salary £65,000 - £80,000 per annum + benefits (dependent on experience) Country United Kingdom We are recruiting for a Mainframe Automation Engineer to join a growing Technology & Transformation function, supporting a business … critical IBM z/OS environment. We are recruiting for a Mainframe Automation Engineer to join a growing Technology & Transformation function, supporting a business-critical IBM z/OS environment. This is an exciting opportunity for an experienced Mainframe Automation & Batch Scheduling Specialist who enjoys solving complex operational challenges ...

Mainframe Performance & Scalability SME 6-Month contract – Inside IR35 – market rate London based – hybrid working – 2-3 days a week onsite Finance sector We are looking for a senior Mainframe Performance & Scalability SME to support a short, focused assessment for a major UK financial services client. This … general mainframe systems-programming role. We need someone who can take incomplete production evidence, diagnose where scalability risk genuinely sits, and confidently lead technical conversations with experienced client architects, platform engineers and operations SMEs. The assignment The client operates a long-established pension administration platform on IBM mainframe technology. ...

About the role Our client, a leading global bank, is looking for a Senior DevOps Automation Engineer to drive automation across its IBM Z mainframe estate click apply for full job details ...

audits, partner with auditors across business areas, and develop infrastructure risk and control assessments. The role requires knowledge of OS, networks, cloud, databases, mainframe, and middleware, with a focus on control governance and risk management. You will report into Audit Manager/Director locally in India and functionally to onshore ...

Department/Function: IT/Technology/Quality Assurance Experience Level: Mid–Senior Reports to: CTO Location: London-based (with hybrid-flexibility) Office: EnableAll, Mainframe, 24 Eversholt Street, London, NW1 1DB Salary: £40,000 – £60,000 (dependent on experience) Sector: B2B SaaS, ecommerce tech, accessibility & inclusive technology Key Responsibilities Design ...

introducing "black box" risk into the client's environment. Objection Handling: Field intense, highly technical Q&A regarding legacy system integration (e.g., on-prem mainframes), modern security frameworks, AI hallucinations, model governance, and global compliance standards (e.g., GDPR, DORA, SOC2). Milestone-Based Preparation: Lead structured internal dry runs with ...

security implementations Thorough background or knowledge of network enterprise systems administration Thorough knowledge and understanding of operating systems and hardware architectures: Linux/Unix, Mainframe, Windows, Cloud, etc. Thorough knowledge and experience with core set of standard Industry technology and platforms and familiarity with cybersecurity tools. Hands-on not required ...

NTT DATA is seeking a Network Engineer with z/OS expertise to join a growing team in the UK and across Europe. The role involves supporting a large-scale z/OS systems platform ...

work with C-suite stakeholders and enterprise architecture teams to assess legacy portfolios, design migration strategies, and orchestrate the transformation of critical systems from mainframes, monoliths, and on-premise infrastructure to modern cloud-native architectures. This is a senior leadership role that sits at the intersection of technology and business … Lead end-to-end modernization engagements — from initial portfolio assessment through migration execution and post-migration optimization Conduct legacy system audits across mainframe (COBOL, PL/I, JCL), midrange (AS/400, RPG), and monolithic application estates Design migration strategies: re-platform, re-factor, re-architect, or replace — with clear ...

Mainframe Performance & Scalability Consultant Inside IR35 | London Hybrid We're looking for a highly experienced Mainframe Performance & Scalability SME to lead a strategic assessment of a large-scale IBM mainframe environment supporting critical financial services operations. This is a consultancy-led assignment focused on performance investigation, capacity planning and scalability … assurance, rather than BAU support or traditional systems programming work. What you'll be doing Conducting deep-dive analysis of mainframe performance, scalability and capacity constraints across a complex IBM z/OS estate. Investigating Db2 and CICS workloads to identify bottlenecks, inefficiencies and long-term scalability risks. Reviewing database ...

Mainframe Performance & Scalability SME London (Hybrid) | 6-Month Rolling Contract | Inside IR35 We are supporting a major financial services organisation seeking a highly experienced Mainframe Performance & Scalability SME to undertake a strategic assessment of a large-scale IBM Mainframe environment supporting critical pension administration services. This is a senior consulting … capacity trends and provide evidence-based recommendations to support future business growth. Key Responsibilities Conduct end-to-end performance and scalability assessments across IBM Mainframe platforms. Analyse workload behaviour across z/OS, CICS, Db2 and batch processing environments. Identify current and future capacity constraints, utilisation trends and performance risks. ...

Test Lead/Test Manager to own the quality strategy for digital services and to drive testing across cloud-native and legacy platforms, including mainframe integrations. The role combines hands-on leadership with strategic quality ownership in a regulated, security-conscious environment, contributing to go/no-go release decisions ...

needs a new infrastructure layer. We're building it at Modal. Every era of computing brought new workloads that previous infrastructure couldn't support: mainframes, databases, and the cloud. Each time, the company that rebuilt the layer underneath defined the decade. AI is no different, except it touches everything instead ...

workflow-automation experience. Delivery in regulated environments (financial services, insurance, healthcare). Familiarity with agent frameworks, evaluation/observability tooling, Kubernetes, or VDI/mainframe environments. Why Skan Ship AI that does real work inside some of the world's largest enterprises - and see the impact directly. Work across ...

workflow-automation experience. Delivery in regulated environments (financial services, insurance, healthcare). Familiarity with agent frameworks, evaluation/observability tooling, Kubernetes, or VDI/mainframe environments. Why Skan Ship AI that does real work inside some of the world's largest enterprises — and see the impact directly. Work across ...

customer before work begins. Design the deployment per account, across cloud, customer-hosted, hybrid and on‐premise, including virtual desktop, thick client and mainframe, with the data residency and recording constraints attached to each. Lead architecture and security review as a technical conversation: data flow diagrams, evidence packs, vendor risk ...

Freemans Grattan Holdings LTD is hiring a Business and Operations Support Engineer to work onsite at the Listerhills Warehouse in Bradford. You will be the primary contact for end-users, handling 1st-line support, monitoring ...

Programmer remote for our growing team in the UK and rest of Europe. About the role We are seeking an experienced z/OS Mainframe Systems Programmer to join our enterprise infrastructure team. This role is responsible for the installation, upgrade, maintenance, and support of the IBM z/… support as well as Parallel Sysplex architecture and administration Extensive experience installing, configuring, customizing, supporting and maintaining multiple IBM and CA/Broadcom mainframe products. Experience working in large enterprise environments, preferably within Banking or Financial Services. Strong troubleshooting and problem-solving capabilities. Ability to independently manage complex technical assignments. ...

lead testing across one or more multi-disciplinary teams operating in a hybrid estate of modern cloud-native services and established legacy platforms, including mainframe integrations. This role combines hands-on test leadership with strategic quality ownership. You will operate within structured and governed environments where reliability, security, accessibility … overall test strategy and approach across services built in Java Spring Boot, AWS Serverless (Lambda/Node.js), Ruby on Rails with React, and legacy mainframe systems. Lead, mentor, and coach testers working within one or more multi-disciplinary teams (MTD). Plan and coordinate functional, integration, regression, performance, accessibility ...

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 Engineer remote for our growing team in the UK and rest of Europe. About the role We are seeking a highly skilled z/… Mainframe Storage Engineer to manage, support, and optimize enterprise mainframe storage infrastructure. This role is responsible for the installation, configuration, administration, maintenance, monitoring, and modernization of storage platforms supporting IBM z/OS environments. The successful candidate will oversee all aspects of storage management, including disk and tape storage, backup ...

Senior Infrastructure Specialist – z Mainframe Db2 DBADo you accept our cookie policy?### Senior Infrastructure Specialist – z Mainframe Db2 DBAApply: Edinburgh: Manchester Westminster House: Full time: Posted 4 Days Ago: End Date: November 18, 2026 (10 days left to apply): 163463**End Date**Tuesday 17 November 2026**Salary Range … information on flexible working options****Flexible Working Options**Hybrid Working, Job Share**Job Description Summary**.**Job Description****JOB TITLE:** Senior Infrastructure Specialist (z Mainframe Db2 DBA)**SALARY:** £72,702 – £80,780**LOCATION(S):** Edinburgh or Manchester**HOURS:**Full-time – 35 hours per week**WORKING PATTERN:**Our work style ...

Description Our client is one of leading consulting company. Currently they are looking Mainframe Datacom Engineer (Spanish Speaker) to work for their end client. \ N Duration May 2027, daily rate up to £520 inside IR35 \ N Location: Sheffield, Birmingham or remote \ N Role Description: \ N We are seeking an experienced ...

client is one of leading consulting company. Currently they are looking Mainframe Datacom Engineer (Spanish Speaker) to work for their end client. Duration May 2027, daily rate up to £520 inside IR35 Location: Sheffield, Birmingham or remote Role Description: We are seeking an experienced Broadcom Datacom DBA/System Programmer ...