51 to 75 of 85 Mainframe Jobs in England

IBM Mainframe Specialist/ Sysplex

Location
Basildon, England, United Kingdom
LocationBasildon, United Kingdom# IBM Mainframe Specialist/Sysplex at N Consulting LtdLocationBasildon, United KingdomSalary£330 - £350/dayJob TypeFull-timeDate PostedApril 24th, 2026Apply Now**Job Title: IBM Mainframe Specialist/Sysplex****Location : Basildon, UK****Job Type: Contract- 5 Days Onsite****Job Summary:**We are seeking an 5 plus years experienced … Sysplex/Mainframe Specialist** with strong expertise in **z/OS environments** and proven experience in the **financial services domain**. The ideal candidate will be responsible for managing and supporting **Parallel Sysplex environments**, ensuring high availability, performance, and resilience of mission-critical financial applications.**Required Skills:*** Strong experience ...

IBM Mainframe Sysplex Specialist – z/OS, Onsite Basildon

Location
Basildon, England, United Kingdom
Consulting Limited is looking for an experienced IBM Mainframe Specialist/Sysplex to manage and support Parallel Sysplex environments in Basildon, UK. The ideal candidate will have over 5 years of experience working with IBM Mainframe technologies, particularly in z/OS environments, and should be well-versed ...

Enterprise IT Architect

Location
Basildon, England, United Kingdom
team coordination, and root‐cause analysis. Provide hands‐on support for critical production issues across online and batch processing Design and govern distributed‐to‐mainframe integrations, including APIs and middleware. Review and approve technical changes, enhancements, and release plans to ensure system stability Mentor Advisor‐ and Engineer‐level team members … cards and payments processing environment Deep understanding of card lifecycle processing, including authorisation, clearing, settlement, billing, and disputes Strong hands‐on expertise with mainframe technologies, including: CICS (online transaction processing). DB2 (schema design, performance analysis, and data troubleshooting) Proven experience designing and supporting API‐based and event‐driven integrations ...

Senior Application Developer

Location
Basildon, England, United Kingdom
need to have: Strong working knowledge of credit/debit card lifecycle, transactions, authorisations, clearing, settlement, and billing Hands‐on experience with mainframe technologies, including: CICS (online transaction processing), DB2 (data access and analysis) Ability to analyse and troubleshoot issues using mainframe utilities and tools, including Eazytrieve Experience supporting … based integrations between distributed systems and mainframe applications Solid understanding of production support, incident triage, root‐cause analysis, and escalation in a 24×7 environment Experience working directly with client‐facing payment systems, responding to time‐critical and business‐impacting incidents Fluent Italian and English (spoken and written) Willingness ...

Infrastructure Specialist zMQ

Location
Manchester, England, United Kingdom
want to contribute to the future evolution of messaging on the mainframe. In this role, you'll provide specialised technical support across critical mainframe environments while contributing to the ongoing development and improvement of our MQ platform. You'll help maintain, modernise and evolve our services in line with Group … modern engineering practices, including automation, DevOps and continuous improvement initiatives. Collaborate across middleware, infrastructure and engineering teams to explore and implement innovative solutions, integrating mainframe technologies with emerging platforms and capabilities. Support standardisation, simplification and operational excellence while ensuring processes and controls are adhered to. Why Lloyds Banking Group ...

Lead Software Engineer - Java, Go

Location
Bournemouth, England, United Kingdom
offering for Infrastructure Platforms. Key product areas include Automation as a Service (AaaS), Ansible Automation Platform (AAP), AutoM8, hybrid cloud automation, public cloud and mainframe enablement, SRE and observability capabilities, and AI-driven service management accelerators. Job Responsibilities Executes software solutions, design, development, and technical troubleshooting with ability to think … service management. Engineer capabilities that support key EPAS initiatives, including NextGen Automation migration to AAP, AutoM8 UI and AppStore enablement, hybrid public cloud automation, mainframe automation, RHEL lifecycle upgrades, Moneta boot upgrades, and AI-driven automation use cases such as AaaS MCP, VersionUp, IntelliPatch, and AaaS Utilities. Drives decisions that ...

IBMz Network Engineer

Location
Sheffield, England, United Kingdom
technical professionals supporting a large-scale z/OS systems platform. This position requires an experienced systems programmer supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining the integrity and data/IP security of the Mainframe's host communication subsystems and associated program products. Your … responsibilities will include: Being part of a multi-functional team, supporting IBM mainframe networks and transmissions products and infrastructure. Participation in support rota providing 24x7 cover. Perform TCPIP Port Reserves (Additions, Deletions, Changes) Perform VTAM updates (Additions, Deletions, Changes) Manage OSA Adapters in a complex mainframe environment Perform VTAM ...

Mainframe Developer

Location
Chester, England, United Kingdom
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 ...

Remote Mainframe Datacom Engineer: Modernisation & Performance

Location
Greater London, England, United Kingdom
HSBC is seeking a Mainframe Datacom Engineer to administer Broadcom Datacom databases within a z/OS environment and support critical banking applications. The role collaborates with development, infrastructure, and regional teams, with Spanish language skills being highly desirable. The candidate will work on database provisioning, performance tuning, upgrades … testing, while contributing to modernisation and DevOps integration across the mainframe stack. #J-18808-Ljbffr ...

Remote z/OS Mainframe Storage Architect

Location
Greater London, England, United Kingdom
DATA is seeking a highly skilled z/OS Mainframe Storage Engineer to join our remote UK/Europe team. You will manage, support, and optimize IBM z/OS storage infrastructure, including disk, tape, backup, DR, capacity planning and replication. Ideal candidates will have deep IBM mainframe storage expertise ...

Mainframe Developer - COBOL/JCL/CICS for Billing & Migrations

Location
Chester, England, United Kingdom
Ascendion seeks an experienced Mainframe Developer to design and implement solutions using COBOL, JCL, and CICS in a billing and pricing environment. The role emphasizes batch flow analysis, efficient processing, and strong collaboration with stakeholders. Candidates should be adept at handling rewrite and migration projects, ensuring minimal disruption while delivering … reliable, high-performance mainframe applications. #J-18808-Ljbffr ...

Senior Remote z/OS Mainframe Systems Programmer

Location
Greater London, England, United Kingdom
DATA, Inc. is seeking an experienced z/OS Mainframe Systems Programmer to join our enterprise infrastructure team for the UK and Europe.” The role focuses on installation, upgrade, maintenance and support of the IBM z/OS operating system and related products. You will work across large-scale environments ...

Senior Mainframe Infrastructure Lead - Hybrid

Location
City Of London, England, United Kingdom
Lloyds Banking Group in London is seeking an experienced leader to head Enterprise Infrastructure for Unisys mainframe environments. You will guide engineering teams to build, run, secure and modernise mission-critical services that process high-value transactions. The role demands senior infrastructure leadership within a highly regulated financial services setting ...

Technical Services Manager

Location
Sheffield, England, United Kingdom
team in the role of Technical Services Manager. You’ll be a hands‐on senior engineering lead and people manager, responsible for modernising the mainframe developer experience and SDLC across the UK, USA and Mexico, shifting teams from traditional mainframe SCM to a GitHub-centred model, standardising tooling and “golden … build test release operational readiness, contributing directly through coding and code reviews Establish and uphold standards for maintainability, security, reliability, and observability across the mainframe DevEx/tooling estate Act as senior escalation for complex build/deploy/tooling issues across UK/US/Mexico, driving root‐cause ...

Test Data Manager ( Delphix)

Location
Greater London, England, United Kingdom
with working knowledge of data protection regulations such as GDPR and DPA to ensure compliant handling of test data in lower environments. Database Expertise - Mainframe Db2, Oracle, SQL — including writing complex queries, understanding schemas, and working across relational and mainframe data structures. Working with Delphix platform for data virtualization, provisioning … protection regulations such as GDPR and DPA to ensure compliant handling of test data in lower environments. Database Expertise: Strong hands-on experience with Mainframe Db2, Oracle, SQL — including writing complex queries, understanding schemas, and working across relational and mainframe data structures. TDM Platform Proficiency: Mandatory hands-on experience with ...

Lead z/OS Mainframe Architect - Remote

Location
Greater London, England, United Kingdom
DATA, Inc. is seeking an experienced z/OS Mainframe Systems Programmer Lead to provide technical leadership across the IBM Z platform for the UK and Europe. The role includes architecture, installation, upgrades, maintenance, and lifecycle management of z/OS and related software, with focus on high availability ...

Senior z/OS Mainframe Systems Programmer (Remote UK)

Location
Greater London, England, United Kingdom
DATA is seeking an experienced z/OS Mainframe Systems Programmer to join our enterprise infrastructure team. This role focuses on installation, upgrades, maintenance, and support of the IBM z/OS OS and related IBM/CA software in large, mission-critical environments. The ideal candidate has deep ...

Internal Audit Senior Associate - Infrastructure Platforms

Location
Greater London, England, United Kingdom
auditors in other business areas to develop infrastructure risk and control assessments. We value your knowledge of various technologies, operating systems, databases, network components, mainframe, middleware, and cloud, as well as your technology processes and risk skills. You will report locally into Audit Manager/Director in India and functionally … related field. Experience with technology infrastructure risk and controls, including administration of Network, O/S (Windows or Linux/Unix), Cloud, Database, Mainframe, and/or Middleware control reviews. Knowledge of technology controls, infrastructure technology, technology governance and assessments, various infrastructure tools & platforms. Enthusiastic, self-motivated, excellent verbal ...

Mainframe z/OS Integration Engineer - Hybrid/Remote

Location
Sheffield, England, United Kingdom
DATA is seeking an IBM z/OS Integration Consultant to design, implement, and support secure enterprise integrations across mainframe and distributed systems. The role emphasizes API‐driven architectures, middleware optimization, and robust production support within a hybrid work pattern with a Sheffield preference. You will collaborate with global engineering ...

Remote CICS Mainframe Systems Programmer

Location
Greater London, England, United Kingdom
DATA, Inc. seeks an experienced CICS Mainframe Systems Programmer to ensure stability, availability and performance of CICS services in IBM Mainframe environments. This remote role supports the UK and Europe, with occasional Sheffield on-site needs for specific assignments. The candidate will lead, configure, maintain, and optimize CICS environments, collaborating ...

Remote CICS Mainframe Systems Engineer

Location
Greater London, England, United Kingdom
DATA is seeking a CICS Mainframe Systems Programmer to provide remote-first support for CICS services in the UK and rest of Europe. The role focuses on stability, availability, performance, and continuous improvement of CICS environments in a IBM Mainframe setting. You will install, configure, maintain, and upgrade CICS ...

Enterprise Infrastructure Lead

Location
City Of London, England, United Kingdom
expectations in line with our Flexibility Works policy. About this opportunity This is a senior engineering and delivery leadership role focused on the Unisys mainframe environments supporting some of Lloyds Banking Group’s most important banking services. You’ll join the Enterprise Lab within Core Infrastructure, reporting to the Engineering … role therefore requires more than general infrastructure leadership. We’re looking for someone who understands the distinctive operational, engineering and lifecycle challenges associated with mainframe platforms and the specialist teams that support them. We're looking for someone to lead, inspire and develop a team of infrastructure engineers. ...

Enterprise Infrastructure Lead

Location
Greater London, England, United Kingdom
expectations in line with our Flexibility Works policy.**About this opportunity**This is a senior engineering and delivery leadership role focused on the Unisys mainframe environments supporting some of Lloyds Banking Group’s most important banking services.You’ll join the Enterprise Lab within Core Infrastructure, reporting to the Engineering Lead. … role therefore requires more than general infrastructure leadership. We’re looking for someone who understands the distinctive operational, engineering and lifecycle challenges associated with mainframe platforms and the specialist teams that support them.We're looking for someone to lead, inspire and develop a team of infrastructure engineers. You'll drive ...

Lead z/OS Mainframe Systems Programmer (Remote)

Location
Greater London, England, United Kingdom
DATA is seeking a z/OS Mainframe Systems Programmer Lead to join our UK and Europe team. This remote role may involve occasional visits to Sheffield. You will steer the mainframe programming function, drive availability, performance tuning and incident response across enterprise environments. Collaborating with global teams ...

Enterprise Infrastructure Lead

Location
City of Westminster, England, United Kingdom
This is a senior engineering and delivery leadership role focused on the Unisys mainframe environments supporting some of Lloyds Banking Group's most important banking services. You'll join the Enterprise Lab within Core Infrastructure, reporting to the Engineering Lead. You'll lead the engineering teams responsible for building, running … role therefore requires more than general infrastructure leadership. We're looking for someone who understands the distinctive operational, engineering and lifecycle challenges associated with mainframe platforms and the specialist teams that support them. We're looking for someone to lead, inspire and develop a team of infrastructure engineers. ...