1 to 25 of 28 Mainframe Jobs in London

and our communities. The Role Kyndryl Consult is the fastest-growing business within the organisation and instrumental to the company’s strategic growth objectives. We are looking for talented Mainframe Consultants, Mainframe Architects, and Mainframe Engineers who are passionate about delivering high-impact solutions for our clients. You will bring deep expertise in mainframe technologiesand enterprise IT systems, combining hands … roles, you’ll act as a trusted advisor and technical leader, translating complex technical challenges into actionable solutions for clients. You’ll design, implement, and modernise IT infrastructure and mainframe environments, while integrating cloud and enterprise systems to deliver scalable, innovative solutions. You’ll collaborate closely with clients, delivery teams, and other technical specialists to ensure every solution meets business … technology. This is your chance to work on complex, high-profile engagements while advancing your skills and career in a fast-growing, dynamic organisation. Key Responsibilities Lead and shape mainframe solutions across complex enterprise environments, bridging business strategy and technology execution. Design, implement, and modernize enterprise IT applications that are scalable, secure, and high performing. Drive DevOps and DevSecOps practices More ❯

delivery approach Preferred skills and qualifications: PMI or Prince2 Programme delivery in large or complex organisations SAFE, Scrum Understanding of the IAM domain and industry best practice Understanding of Mainframe and RACF Please do send across to me the most up to date CV to *Rates depend on experience and client requirements More ❯

has already delivered millions of pounds of benefits. Our future plans are no less ambitious. Over the next 3-5 years we will simplify our Group Finance technology, removing mainframes, increasing integrations and upgrading systems, enabling Tesco to benefit from the latest innovations in the market, including AI. We are looking for an experienced Senior Technical Programme Manager to join More ❯

has already delivered millions of pounds of benefits. Our future plans are no less ambitious. Over the next 3-5 years we will simplify our Group Finance technology, removing mainframes, increasing integrations and upgrading systems, enabling Tesco to benefit from the latest innovations in the market, including AI. We are looking for an experienced Senior Technical Programme Manager to join More ❯

has already delivered millions of pounds of benefits. Our future plans are no less ambitious. Over the next 3-5 years we will simplify our Group Finance technology, removing mainframes, increasing integrations and upgrading systems, enabling Tesco to benefit from the latest innovations in the market, including AI. We are looking for an experienced Senior Technical Programme Manager to join More ❯

has already delivered millions of pounds of benefits. Our future plans are no less ambitious. Over the next 3-5 years we will simplify our Group Finance technology, removing mainframes, increasing integrations and upgrading systems, enabling Tesco to benefit from the latest innovations in the market, including AI. We are looking for an experienced Senior Technical Programme Manager to join More ❯

Join us as a Mainframe Performance Specialist , to support the z/OS Performance team in monitoring and improving the performance of Barclays' mainframe systems. You'll work across a broad range of Mainframe technologies to support system performance and reliability. This includes investigating infrastructure issues, using performance tools and platform features, contributing in-house code, and supporting diagnostic and … scheduling activities. You'll also represent the team in technical discussions and provide on-call support as part of a collaborative environment. To be successful as a Mainframe Performance Specialist, you should have experience with: IBM Mainframes, including TWS, CICS, IMS, MQ, DB2, and configuring System and LPAR settings on z15 onwards. Performance and observability tools such as Omegamon, RMF … utilities using REXX. Investigating infrastructure issues and applying knowledge of the major incident process. Some other highly valued skills may include: Familiarity with Endevor and SMF housekeeping. Experience supporting Mainframe environments in financial services. Knowledge of DB2 performance tuning. You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and More ❯

the technical team on development and implementation journeys. The role is centered on enabling and securing data flows between various enterprise systems, including mobile applications, cloud services, and legacy mainframe systems click apply for full job details More ❯

Join us at Barclays as a Mainframe DB2 System Specialist, where you'll help build and maintain resilient infrastructure platforms supporting vital applications and data systems. Apply cutting-edge engineering and automation to ensure reliability, scalability, and security across our core technologies. To be successful as a Mainframe DB2 System Specialist, you should have experience with: Experienced in the installation … maintenance, and upgrade of the IBM DB2 product and of DB2 related products (DB2 CA, DB2 connect, Data Studio,etc). Excellent understanding of Mainframe operating system tools: - TSO, JCL, REXX,SQL etc. Several years practical experience working as a DB2 Systems Programmer. Strong understanding of system performance and monitoring techniques. Some other highly valued skills may include: Experience with More ❯

environment issues related to the Hermes project, focusing on DataPower appliances and related infrastructure. - Develop, configure, and maintain IBM DataPower Gateway services to meet project requirements. - Collaborate closely with mainframe teams to understand interdependencies and troubleshoot integration points where necessary. - Monitor AWS cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute … automation using but not limited to Python, Shell scripting, Gitlab pipeline Required Skills and Qualifications: - Proven experience in IBM DataPower development, configuration, and troubleshooting within enterprise environments. - Familiarity with mainframe systems, integration with DataPower where applicable. - Good working knowledge of AWS services, particularly CloudWatch, DynamoDB, and Lambda, including monitoring, troubleshooting, and optimisation. - Excellent verbal and written communication skills to effectively More ❯

environment issues related to the Hermes project, focusing on DataPower appliances and related infrastructure. - Develop, configure, and maintain IBM DataPower Gateway services to meet project requirements. - Collaborate closely with mainframe teams to understand interdependencies and troubleshoot integration points where necessary. - Monitor AWS cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute … automation using but not limited to Python, Shell scripting, Gitlab pipeline Required Skills and Qualifications: - Proven experience in IBM DataPower development, configuration, and troubleshooting within enterprise environments. - Familiarity with mainframe systems, integration with DataPower where applicable. - Good working knowledge of AWS services, particularly CloudWatch, DynamoDB, and Lambda, including monitoring, troubleshooting, and optimisation. - Excellent verbal and written communication skills to effectively More ❯

environment issues related to the Hermes project, focusing on DataPower appliances and related infrastructure. - Develop, configure, and maintain IBM DataPower Gateway services to meet project requirements. - Collaborate closely with mainframe teams to understand interdependencies and troubleshoot integration points where necessary. - Monitor AWS cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute … automation using but not limited to Python, Shell scripting, Gitlab pipeline Required Skills and Qualifications: - Proven experience in IBM DataPower development, configuration, and troubleshooting within enterprise environments. - Familiarity with mainframe systems, integration with DataPower where applicable. - Good working knowledge of AWS services, particularly CloudWatch, DynamoDB, and Lambda, including monitoring, troubleshooting, and optimisation. - Excellent verbal and written communication skills to effectively More ❯

environment issues related to the Hermes project, focusing on DataPower appliances and related infrastructure. - Develop, configure, and maintain IBM DataPower Gateway services to meet project requirements. - Collaborate closely with mainframe teams to understand interdependencies and troubleshoot integration points where necessary. - Monitor AWS cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute … automation using but not limited to Python, Shell scripting, Gitlab pipeline Required Skills and Qualifications: - Proven experience in IBM DataPower development, configuration, and troubleshooting within enterprise environments. - Familiarity with mainframe systems, integration with DataPower where applicable. - Good working knowledge of AWS services, particularly CloudWatch, DynamoDB, and Lambda, including monitoring, troubleshooting, and optimisation. - Excellent verbal and written communication skills to effectively More ❯

environment issues related to the Hermes project, focusing on DataPower appliances and related infrastructure.- Develop, configure, and maintain IBM DataPower Gateway services to meet project requirements.- Collaborate closely with mainframe teams to understand interdependencies and troubleshoot integration points where necessary.- Monitor AWS cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute … automation using but not limited to Python, Shell scripting, Gitlab pipeline Required Skills and Qualifications: - Proven experience in IBM DataPower development, configuration, and troubleshooting within enterprise environments.- Familiarity with mainframe systems, integration with DataPower where applicable.- Good working knowledge of AWS services, particularly CloudWatch, DynamoDB, and Lambda, including monitoring, troubleshooting, and optimisation.- Excellent verbal and written communication skills to effectively More ❯

Consulting Architect (Mainframe) £110,000 - £125,000 GBP Performance Bonus, Private Medical Insurance, Life Assurance, Pension 11% (8% Employer contribution) + opt-in benefits Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Role : Senior Mainframe Consultant (Consulting Architect) Location : London (Hybrid flexibility) Salary : £105,000 - £125,000 per annum Benefits : Performance Bonus, Private Medical Insurance, Life Assurance … The Opportunity This is a ground-floor opportunity to make your mark with a rapidly expanding platform and redefine what's possible in enterprise technology consulting. As a Senior Mainframe Consultant, you'll work on large-scale, fast-track infrastructure projects that deliver measurable value to prestigious clients. Key Responsibilities Serve as a trusted advisor leading highly complex, multi-disciplinary … as a Cloud Architect/Specialist AI Architect/Specialist or similar ITIL expertise and certifications Subject matter expertise in at least one platform (cloud computing, cloud hyperscaler, X86, mainframe, midrange) Understanding of DevSecOps, Agile, Scrum construct to identify inefficiencies through readiness assessments Excellent communication and presentation skills, with ability to convey complex technical insights to both technical and non More ❯

tablespaces, tables, views and indexes etc. • Configuring HADR between servers. • Supporting various windows applications in State Farm like Philbert, WinSQL and NLP etc. • Involved in Disaster Recovery exercise. • Cataloging mainframe databases in open systems to make the mainframe databases available to open systems users. • Resolving user issues related to database. • Granting access to users and revoking it from users. • Monitoring More ❯

tablespaces, tables, views and indexes etc. • Configuring HADR between servers. • Supporting various windows applications in State Farm like Philbert, WinSQL and NLP etc. • Involved in Disaster Recovery exercise. • Cataloging mainframe databases in open systems to make the mainframe databases available to open systems users. • Resolving user issues related to database. • Granting access to users and revoking it from users. • Monitoring More ❯

tablespaces, tables, views and indexes etc. • Configuring HADR between servers. • Supporting various windows applications in State Farm like Philbert, WinSQL and NLP etc. • Involved in Disaster Recovery exercise. • Cataloging mainframe databases in open systems to make the mainframe databases available to open systems users. • Resolving user issues related to database. • Granting access to users and revoking it from users. • Monitoring More ❯

tablespaces, tables, views and indexes etc. • Configuring HADR between servers. • Supporting various windows applications in State Farm like Philbert, WinSQL and NLP etc. • Involved in Disaster Recovery exercise. • Cataloging mainframe databases in open systems to make the mainframe databases available to open systems users. • Resolving user issues related to database. • Granting access to users and revoking it from users. • Monitoring More ❯

Paladign/Mainframe Developer 12 Month Contract London - 3-Days per week on-site One of our Banking clients in London is urgently looking for a Paladign/Mainframe Developer to join the team. You will ideally have: 5 years of experience in Financial Services, with a strong focus on private banking. 5 years of hands-on experience with Paladign More ❯

Paladign/Mainframe Developer 12 Month Contract London - 3-Days per week on-site One of our Banking clients in London is urgently looking for a Paladign/Mainframe Developer to join the team. You will ideally have: 5 years of experience in Financial Services, with a strong focus on private banking. 5 years of hands-on experience with Paladign More ❯

Paladign/Mainframe Developer 12 Month Contract London - 3-Days per week on-site One of our Banking clients in London is urgently looking for a Paladign/Mainframe Developer to join the team. You will ideally have: 5 years of experience in Financial Services, with a strong focus on private banking. 5 years of hands-on experience with Paladign More ❯

Paladign/Mainframe Developer 12 Month Contract London - 3-Days per week on-site One of our Banking clients in London is urgently looking for a Paladign/Mainframe Developer to join the team. You will ideally have: 5 years of experience in Financial Services, with a strong focus on private banking. 5 years of hands-on experience with Paladign More ❯

the technical team on development and implementation journeys. The role is centered on enabling and securing data flows between various enterprise systems, including mobile applications, cloud services, and legacy mainframe systems. Your Responsibilities: Provide expert support and timely resolution of environmental issues related to the project, focusing on DataPower appliances and related infrastructure. Develop, configure, and maintain IBM DataPower Gateway … services to meet project requirements. Collaborate closely with mainframe teams to understand interdependence and troubleshoot integration points where necessary. Monitor AWS cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute tasks related to project workflows. Implement best practices for environment stability, performance tuning, and security compliance. Produce detailed technical documentation, status … limited to Python, Shell scripting, GitLab pipeline. Your Profile Essential Skills/Knowledge/Experience: Proven experience in IBM DataPower development, configuration, and troubleshooting within enterprise environments. Familiarity with mainframe systems and integration with DataPower where applicable. Good working knowledge of AWS services, particularly CloudWatch, DynamoDB, and Lambda, including monitoring, troubleshooting, and optimisation. Excellent verbal and written communication skills to More ❯

Programme Director/Manager – Mainframe Modernisation (Global Reinsurance) 6-Month Contract - Outside IR35 UK-Based | London (Hybrid) A leading global reinsurance organisation is seeking an experienced Programme Manager to lead a high-impact Mainframe Modernisation initiative. This is an exciting opportunity to drive a complex transformation programme within a global environment, working across multiple regions and stakeholder groups. Key Responsibilities … business in identifying, tracking, and realising programme benefits throughout the lifecycle. Key Experience & Skills: Proven experience delivering complex IT transformation programmes in large, global organisations. Strong track record of mainframe modernisation , ideally involving BlueAge or similar technologies – very desirable . Experience migrating legacy systems to public cloud environments – desirable . Demonstrated ability to manage multi-vendor delivery models and complex More ❯