26 to 47 of 47 Mainframe Jobs in London

Mainframe Datacom Engineer (Spanish Speaking, IBM z/OS)

Location
Greater London, England, United Kingdom
Mainframe Datacom Engineer (Spanish Speaking, IBM z/OS) £585 per day – Inside IR35 Remote – Must be UK based 6 months We are supporting a client seeking an experienced Mainframe Datacom Engineer to provide specialist DBA and System Programming support for an existing Broadcom (CA) Datacom environment running … structuring Strong database performance tuning and query optimisation expertise Hands-on experience implementing Datacom fixes, maintenance and patching activities Experience supporting enterprise-scale production mainframe environnements Ability to work autonomously with minimal supervision or training Strong analytical, troubleshooting and problem-solving skills #J-18808-Ljbffr ...

Mainframe Automation Consultant

Hiring Organisation
ECS Resource Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day Outside IR35
Mainframe Automation Engineer (CA7) Location: Remote Contract: Nine Months Rate: Up to £550 GBP Per Day The Role I am working with a mainframe services specialist who are looking for an experienced Mainframe Automation Engineer with strong CA7 expertise to support their client environments. You will take responsibility for maintaining … batch schedules, investigating production issues and developing automation that reduces manual intervention. This is a hands-on technical role for somebody who understands complex mainframe workloads and the importance of reliable, timely processing. Key Responsibilities Create, maintain and amend CA7 job definitions, schedules, calendars, triggers and dependencies. Monitor batch processing ...

Director Customer Technology Advisor - Mainframe

Location
Greater London, England, United Kingdom
technical requirements, leveraging Kyndryl's capabilities to generate winning, profitable, cross‐practice deals. Integrate & Modernize Systems: Design and execute modernization strategies while integrating mainframe databases and core systems with modern cloud platforms. Drive Stakeholder Collaboration: Collaborate with internal and external stakeholders to produce winning responses and create optimal technical architectures. … certifications supporting relevant subdomain areas (e.g., Application Data & AI, Cloud, Core Enterprise & zCloud, Digital Workplace, Network & Edge, or Security & Resiliency). Proficiency in IBM mainframe infrastructure, z/OS systems, middleware (CICS, DB2, IMS), and replication solutions. Strong background in mainframe DB2 system programming, DBA responsibilities, disaster recovery, performance tuning ...

Implementation Manager - Mainframe Product Migration

Location
City Of London, England, United Kingdom
ensure a bright future for NTT DATA and for the people who work here. NTT DATA is currently looking for an Implementation Manager - Mainframe Product Migration on a hybrid work model (Sheffield or London + remote) for our growing team in the UK. Role purpose : Plan, coordinate, and execute … implementation of a Mainframe Product Migration into production, ensuring a controlled, compliant, and low-risk cutover. Own the integrated deployment/cutover plan, readiness, and go/no-go governance across technology, operations, business, and third parties. Key responsibilities Create and maintain the integrated implementation (deployment/cutover) strategy ...

Senior Mainframe Production Support Analyst

Location
London Borough of Enfield, England, United Kingdom
want to advance the world of fintech, we’d like to ask you: Are you FIS? About the role: As a Senior Mainframe Production Support Analyst, you will support the daily execution of test cycles and migrations for four customers hosted in Little Rock, Arkansas. You will work closely with … three other Operations Analysts, sharing responsibilities across the four client environments. The role involves executing scheduled and on-demand test cycles, monitoring mainframe jobs, troubleshooting operational issues, and escalating incidents when required. Test cycles are managed using ZEKET scheduling software, while migration activities typically involve updating ZEKET and SAR reporting ...

Implementation Manager - Mainframe Product Migration

Location
Greater London, England, United Kingdom
ensure a bright future for NTT DATA and for the people who work here. NTT DATA is currently looking for an Implementation Manager - Mainframe Product Migration on a hybrid work model (Sheffield or London + remote) for our growing team in the UK. Role purpose Plan, coordinate, and execute … implementation of a Mainframe Product Migration into production, ensuring a controlled, compliant, and low-risk cutover. Own the integrated deployment/cutover plan, readiness, and go/no-go governance across technology, operations, business, and third parties. Key responsibilities Create and maintain the integrated implementation (deployment/cutover) strategy ...

Mainframe Performance & Scalability Lead — London Hybrid

Location
Greater London, England, United Kingdom
Consult in London is seeking 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 consultancy-led assignment focuses on performance investigation, capacity planning and scalability assurance rather than BAU support. The role requires proven … mainframe performance expertise, hands-on Db2 for z/OS and CICS proficiency, and experience with RMF/SMF data. #J-18808-Ljbffr ...

Senior Mainframe Performance & Scalability Expert

Location
Greater London, England, United Kingdom
Advanced Resource Managers Ltd in London seeks a senior Mainframe Performance & Scalability SME to lead a focused assessment for a major UK financial services client. The role is a 6-month contract, Inside IR35, with hybrid working 2–3 days on site. You will diagnose scalability risks from production evidence ...

SMPO Delivery Consultant (Scheduling)

Location
Greater London, England, United Kingdom
Scheduling Subject Matter Expert Specialist candidate will require expertise in the mainframe (z/OS) environment. The applicant will be required to perform scheduling migration services with IBM Z Workload Scheduler and demonstrate problem solving skills in replacing competitive scheduling products. The position requires a person with excellent communication skills … maintain documentation. The position requires to work as a team member with internal employees, project managers, contractors and customer employees. Experience with other Mainframe schedule packages (CA/Broadcom Workload Automation (CA-7 or ESP edition), BMC Control-M/R, ASG Zeke/Zebb) is desired. #J-18808-Ljbffr ...

Mainframes Developer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
forum as required · Support System Test and Integration Test Cycles Your Profile Essential skills/knowledge/experience: · 6+ yrs Experience working in Unisys Mainframes · COBOL programming · Hierchical Database DMS 1100 · Functional Knowledge of Retail Banking · Batch Processes and Job Scheduling · Excellent problem-solving skills and attention to detail. Desirable ...

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 Scheduling SME (IBM Z Workload Scheduler)

Location
Greater London, England, United Kingdom
International Business Machines Corporation in the United Kingdom seeks a Scheduling Subject Matter Expert Specialist with deep mainframe (z/OS) experience to lead migration projects using IBM Z Workload Scheduler. You will assess migration paths, analyze workload data via ISPF and the Dynamic Workload Console, and document processes. Collaboration ...

Data Mapping Analyst — Banking Migration

Location
Greater London, England, United Kingdom
migration of data from legacysystems to new platforms Support and provide consultancy to database engineeringteams Recommend improvements to JCL queries andOracle/Mainframe database queries RequiredSkills & Experience Strong knowledge and understanding of bankingapplications and underlying data structures Demonstrable experience in data migration, includingETL tooling Solid understanding of data synchronisation andreconciliation … across transfer files Ability to design and execute effective databasequeries (Oracle/Mainframe) Familiarity with JCL queries and legacy mainframeenvironments Understanding of regulatory compliance requirements ina banking context #J-18808-Ljbffr ...

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 ...

Mainframe Migration Implementation Lead

Location
City Of London, England, United Kingdom
DATA Services in London/Sheffield is seeking an Implementation Manager for Mainframe Product Migration, operating on a hybrid model (London or Sheffield + remote). You will plan, coordinate and execute end-to-end migration cutovers, ensuring a controlled deployment with governance across technology, operations and third parties. ...

Senior Mainframe Production Support Specialist - Hybrid

Location
London Borough of Enfield, England, United Kingdom
Fidelity Information Services, LLC (FIS) is seeking a Senior Mainframe Production Support Analyst to oversee mainframe test cycles and migrations for four client environments, with responsibilities including JCL submission, monitoring for abends, and escalation per on-call schedules. You will work with a small team across multiple environments, updating ZEKET ...

Remote Spanish-Speaking Mainframe Datacom Engineer (z/OS)

Location
Greater London, England, United Kingdom
Investigo is seeking an experienced Mainframe Datacom Engineer to provide specialist DBA and System Programming support for an existing Broadcom Datacom environment on IBM z/OS. This is a hands-on BAU role focused on diagnosing, patching and optimising the Datacom estate to maintain service stability. The ideal candidate ...

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 Migration Implementation Lead

Location
Greater London, England, United Kingdom
DATA Services in the UK is seeking an Implementation Manager for a Mainframe Product Migration, on a hybrid basis (London or Sheffield + remote). The role focuses on end-to-end deployment, cutover governance, and risk-managed delivery across technology, operations, business, and third parties. Responsibilities include creating ...

Partner Migration Program Lead, EMEA Partner Migrations

Location
Greater London, England, United Kingdom
Experience in Go‐To‐Market, Business Development, Sales, or Consulting Experience working with Enterprise Application Modernization and Migration technologies, including, but not limited to, Mainframe, Serverless, Containers, or Cloud Operations Experience interpreting data and making business recommendations across leadership and cross‐functional teams Experience explaining complex technical concepts to various … with demonstrable results Preferred Qualifications Experience interpreting data and making business recommendations Working experience and knowledge of data center migrations and modernization (e.g., VMware, Mainframe, .NET, Oracle) Knowledge or experience selling or delivering large consulting engagements with P&L responsibility Experience and technical expertise (design and implementation) in cloud computing ...

Founding GTM Leader

Location
Greater London, England, United Kingdom
About Glover Glover Labs is building the agentic platform for legacy software modernization. The world's largest enterprises run on decades-old mainframe systems — COBOL, RPG, PL/I — processing trillions of dollars daily. These codebases are too complex, too sprawling, too deeply regulated, and too poorly documented for existing … larger organization — you know what it means to operate without established processes. You can hold a credible technical conversation with a CTO about mainframe architecture, modernization approaches, and where AI fits. Exceptional communicator with a consultative, relationship‐first approach. Bias toward action, extreme ownership, zero ego. AI native — you already ...

Senior Customer Technology Advisor: AI, Cloud & Mainframe

Location
Greater London, England, United Kingdom
Kyndryl is seeking a Customer Technology Advisor to join our Go-To-Market team in a dynamic, hybrid role. You will leverage deep mainframe, cloud, and solution-architecture expertise to drive pre-sales activity, deliver compelling demos, and co-create joint offerings with alliance partners. You will shape modern ...