1 to 25 of 49 Mainframe Jobs in London

DB2 Database Administrator (DBA)

Location
Greater London, England, United Kingdom
adherence to ITIL processes, change management procedures, and organizational governance standards. Required Qualifications Typically 8-12 years Hands‐on experience in IBM z/Mainframe environments with strong expertise in DB2 Database Administration, database support, performance tuning, security implementation, automation, disaster recovery, and production support. Deep understanding of Db2 database ...

RIS AWS (Agentic AI) Solution Architect Senior Manager

Location
Greater London, England, United Kingdom
production, using Amazon Bedrock, AgentCore, agents, RAG, guardrails, orchestration, observability and operational controls. Architect complex cloud journeys including VMware/data-centre exit, mainframe and .NET modernisation, SAP on AWS, data lakes, analytics, platform engineering, security and managed run.Develop commercially credible business cases, proposal narratives, estimates, delivery models, assumptions ...

RIS AWS (Agentic AI) Solution Architect Senior Manager

Location
City Of London, England, United Kingdom
production, using Amazon Bedrock, AgentCore, agents, RAG, guardrails, orchestration, observability and operational controls. Architect complex cloud journeys including VMware/data‐centre exit, mainframe and .NET modernisation, SAP on AWS, data lakes, analytics, platform engineering, security and managed run. Develop commercially credible business cases, proposal narratives, estimates, delivery models, assumptions ...

IBM Z Dev/Ops / Automation Engineer

Location
Greater London, England, United Kingdom
enterprise service interfaces. Support configuration drift detection, automated remediation, compliance governance, and secure engineering standards. Document reusable automation patterns and operational procedures, collaborate across mainframe and infrastructure teams, and support risk, audit, and regulatory requirements. Qualifications At least 10 years of demonstrable DevOps engineering experience, including solution design, governance, compliance ...

Infrastructure Specialist – IBM MQ & Message Broker

Hiring Organisation
Lloyds Banking Group
Location
London, England, United Kingdom
queues, channels, message flows and application connectivity.IT Platforms & Hosting – experience working within infrastructure, engineering, middleware or enterprise technology environments, including Linux, Unix or mainframe environments.Problem Solving – strong analytical skills, with experience investigating technical issues methodically and progressing complex problems through to resolution.Risk Ownership – experience working within operational processes and controls ...

Senior DevOps/Automation Engineer - IBM Z & hybrid platform

Location
Greater London, England, United Kingdom
with production robustness. Think in terms of architecture, not just tooling. Behavioural and leadership attributes Structured, systems level thinker. Able to collaborate across distributed, mainframe and infrastructure teams. Pragmatic but disciplined in standards enforcement. Comfortable engaging with risk, audit and governance functions. Drives automation by design rather than manual workarounds. ...

Senior DevOps/Automation Engineer - IBM Z & hybrid platform

Location
City Of London, England, United Kingdom
with production robustness. Think in terms of architecture, not just tooling. Behavioural and leadership attributes Structured, systems level thinker. Able to collaborate across distributed, mainframe and infrastructure teams. Pragmatic but disciplined in standards enforcement. Comfortable engaging with risk, audit and governance functions. Drives automation by design rather than manual workarounds. ...

Application Support Analyst

Hiring Organisation
Barclays
Location
London, England, United Kingdom
communicate in a positive, friendly and effective manner with ‘technical’ or ‘non-technical’ users/customers.Awareness in batch monitoring tools (TWS on the mainframe) and exposure to IMS or knowledge of it would also be beneficial.Good communication (verbal and written) and suitable for a diverse audience, with the ability ...

Head of Infrastructure Architecture - Executive Director

Location
Greater London, England, United Kingdom
testing, backup architecture, multi-site and multi-region patterns Financial services infrastructure experience, particularly low-latency or market-data-adjacent environments. Experience of mainframe or legacy midrange estate within a consolidation scope. Familiarity with FinOps practice and cloud cost governance tooling. Key Behaviours and Competencies: Credibility with engineers, architects ...

Principal Delivery Consultant-Migrations, AWS Professional Services

Location
Greater London, England, United Kingdom
Professional) - Experience with at least two of these migration domains: VMware, SAP, Windows/SQL Server, Database (e.g., Oracle licensing, EC2 vs. RDS, PostgreSQL), Mainframe - Experience with infrastructure as code, automation and scripting (e.g., Terraform, CloudFormation, Python, PowerShell) - Experience with public, hybrid and multi-cloud platforms - Comfortable dealing with ambiguity ...

Senior Mainframe Performance & Scalability Strategist

Location
Greater London, England, United Kingdom
Consult in London is seeking a senior consultant to assess a pension administration platform on IBM mainframe. The project focuses on performance and scalability under growth, with hybrid work and 2-3 days on-site. ...

Payments Solutions Architect – Payments & Treasury – London

Location
Greater London, England, United Kingdom
architecture. Experience designing API and microservices-based architectures. Strong enterprise integration knowledge. Experience working across complex, highly integrated technology landscapes. Understanding of integration between mainframe and open-system environments would be advantageous but is not essential. Experience modernising legacy banking or payments platforms would be highly desirable. Leadership & Stakeholder Management ...

CyberArk PAM L2 Support Engineer – Banking

Location
Greater London, England, United Kingdom
solutions. Knowledge of Microsoft Entra ID/Azure Active Directory. Experience supporting PAM platforms within banking, financial services or other regulated environments. Familiarity with mainframe environments or financial market infrastructure. CyberArk certifications or relevant security qualifications. Scripting or automation experience using PowerShell or similar technologies. The Ideal Candidate Enjoy hands ...

Sr GenAI GTM Specialist, HCLS, AWS Specialist & Partner - Industries

Hiring Organisation
AmazonWebServices
Location
London, England, United Kingdom
Performance Compute, Visual/Spatial Compute, and/or IoT.- Experience working with Enterprise Application Modernization and Migration technologies, including, but not limited to, Mainframe, Serverless, Containers, or Cloud Operations- Experience working with Data & AI related technologies, including, but not limited to, AI/ML, GenAI, Analytics, Database, and/ ...

Senior DevOps & Automation Engineer: IBM Z Hybrid Platform

Location
City Of London, England, United Kingdom
Senior DevOps/Automation Engineer for IBM Z and hybrid platforms in the UK. You will design, build, and operate resilient automation across mainframe and distributed environments, embedding CI/CD, monitoring, and compliance into scalable workflows. You will collaborate with engineering teams, mentor peers, and uphold engineering standards while ...

Mainframe Performance & Scalability SME

Location
Greater London, England, United Kingdom
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. ...

Senior Infra Platform Audit Lead — Risk & Controls

Location
Greater London, England, United Kingdom
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 ...

Lead QA Engineer (Accessibility)

Location
Greater London, England, United Kingdom
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 ...

Fractional Strategic Solutions Lead (Enterprise Security & AI)

Location
Greater London, England, United Kingdom
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 ...

Mainframe Consultant

Location
Greater London, England, United Kingdom
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 SME

Hiring Organisation
McGregor Boyall
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£900.00 - £1,100.00 per day
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. ...

Account Executive - AI Native, EMEA

Location
Greater London, England, United Kingdom
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 ...

Enterprise Sales Engineer

Location
Greater London, England, United Kingdom
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 ...

z/OS Mainframe Systems Programmer

Location
Greater London, England, United Kingdom
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. ...

z/OS Mainframe Storage Engineer

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 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 ...