176 to 200 of 202 Legacy Systems Jobs in the UK

ambition to scale significantly over the next 5 years. Services: • Custom software development • Digital transformation programmes • Cloud modernisation (AWS-first) • Technical consulting • Legacy platform … modernisation Core proposition: Outcome-based delivery model: • ~75% owned delivery responsibility • ~25% augmentation/embedded teams Typical projects involve modernising legacy monolithic systems into cloud-native architectures on AWS. The Opportunity: This is the first dedicated new business role in the company. There is currently: • No formal ...

core banking platform Act as the internal subject matter expert, aligning business requirements with platform capabilities Review and challenge decisions relating to core banking systems and associated technologies Technical & Architectural Governance Deliver architectural guidance across core banking components and integrations Critically evaluate proposals from third-party partners and system … native, digital, and AI-driven integration strategies Champion event-driven architecture and modern integration patterns (AWS-aligned) Support large-scale transformation initiatives, including legacy system migration Delivery & Governance Oversee end-to-end architecture across build, test, and release cycles Collaborate with architecture, programme, and delivery stakeholders to ensure ...

procurement as levers for competitive advantage—someone who will proactively drive initiatives that help the entire company move faster. You'll own the systems and processes that enable our team members in Oslo, London, San Francisco, and across North America and Europe to do their best work. … Operations Build AI‐powered workflows that make onboarding, offboarding, and day‐to‐day IT support nearly invisible Design self‐service systems that scale with the company without requiring proportional headcount growth Own the device lifecycle with automation‐first thinking: provisioning, deployment, recovery, and secure disposal Manage identity and access ...

Senior Software Engineer (SFIA 5) to join a leading Central Government defence organisation, supporting the development, maintenance, and modernisation of complex mission critical software systems within a highly secure engineering environment. SENIOR SOFTWARE ENGINEER (SFIA 5) - PORTSMOUTH - PERMANENT - UP TO £90,000 - ACTIVE DV CLEARANCE REQUIRED - 3 DAYS ONSITE … complex software estate, where reliability, performance, and long term maintainability are critical. You will be working hands on across legacy and modern systems, driving improvement in code quality, resolving high severity defects, and supporting the evolution of engineering standards across the team. The environment is highly collaborative ...

have product management experience and are comfortable owning and delivering roadmaps You’ve worked on backend services or platforms and understand how systems operate under the hood You’re a strong systems thinker, able to understand how different components interact and scale You’re technically minded, but always … proactive and curious, with a drive to learn and build deep domain expertise You’re comfortable working across both legacy and modern systems You’re skilled at stakeholder management and can prioritise effectively across competing needs You enjoy enabling others and are motivated by impact beyond just ...

change delivery of a new Customer Monitoring capability as part of a Financial Crime transformation programme, enabling the transition from a legacy rules-based Transaction Monitoring environment to a modern, model-driven and analytics-led platform that strengthens compliance, scalability, and risk detection. What you'll do: Lead … functional delivery across business, technology, operations, and vendor teams to implement the Customer Monitoring capability. Drive the transition from legacy Transaction Monitoring systems to a modern, analytics-led Financial Crime monitoring platform. Ensure successful delivery of change initiatives that meet regulatory, risk, and compliance requirements. Oversee ...

change delivery of a new Customer Monitoring capability as part of a Financial Crime transformation programme, enabling the transition from a legacy rules-based Transaction Monitoring environment to a modern, model-driven and analytics-led platform that strengthens compliance, scalability, and risk detection. What you'll do: Lead … functional delivery across business, technology, operations, and vendor teams to implement the Customer Monitoring capability. Drive the transition from legacy Transaction Monitoring systems to a modern, analytics-led Financial Crime monitoring platform. Ensure successful delivery of change initiatives that meet regulatory, risk, and compliance requirements. Oversee ...

your time. What you'd be doing : Designing and building new features in C# and TypeScript, across Svelte, Angular, Vue or React Architecting backend systems and working across SQL and NoSQL databases Running Linux-based CI/CD pipelines (GitLab-CI/Jenkins) for containerised deployments Mentoring junior engineers … this is largely an on-site role, 4 to 5 days a week depending on workload. If "real-time simulation for next-generation defence systems" sounds more interesting than your current backlog, let's have a conversation, even if you weren't actively looking. ...

orchestration and configuration management. Implementing security best practices across automation platforms, CI/CD pipelines, and infrastructure deployments. Integrating automation platforms with enterprise systems using APIs, webhooks, and event-driven workflows. Creating reusable templates, frameworks, and standards to improve automation consistency across teams. Producing technical documentation, operational procedures … platforms within production environments. Solid understanding of automation and CI/CD security best practices, including RBAC, secrets management, and pipeline hardening. Experience integrating systems using REST APIs and event-driven architectures. Familiarity with Azure cloud services and cloud-native automation approaches. Does this sound like your next career ...

financial data to support decision-making. Support forecasting and budget planning activities. Assist with data migration. Extract, manipulate and present data from legacy and modern business systems. Support wider business analysis initiatives across the organisation. Contribute to ongoing digital transformation and AI initiatives. Experience Required Strong experience using … present data effectively. Commercial awareness and strong numerical skills. Experience working with financial and operational data. Ability to learn and work with new systems quickly. Strong Microsoft Office skills. If this opportunity aligns with your experience, please apply as soon as possible. My client is looking to move quickly ...

points, partners, customer engagement, and redemption journeys. The work involves integrating and aligning data across a complex mix of legacy and modern systems to create a consistent end-to-end view of the platform. The environment includes strong engineering capability across microservices, cloud, AI, and data-driven … services, alongside complex integration across an existing estate. What you'll be doing; Design end-to-end data flows across multiple systems Translate requirements into data architecture and mapping solutions Support integration, migration, and system consolidation activity Define data pipelines and data movement (inbound/outbound) Work within microservices ...

large UK-based organisation operating within a high-volume service environment. The business manages hundreds of thousands of customer jobs annually through core operational systems that support the full lifecycle from initial request through to invoicing and payment. An international parent group backs the organisation and has ambitious growth … senior technical resources. The role sits at the intersection of business need and technical delivery. The technology landscape includes web applications, cloud-hosted systems, mobile applications, and a variety of supporting platforms. A broader modernisation programme is planned, including a transition toward more modular, service-based architecture while maintaining ...

enables secure digital services, improves user experience, and supports long-term organisational objectives. The organisation currently operates a complex identity ecosystem comprising a legacy Student Information System (SIS), Active Directory, Microsoft Entra ID, and Auth0, with multiple identity stores and overlapping user management processes. Key Responsibilities Lead … technical assessments to understand current-state identity capabilities and challenges. Assess the existing identity architecture, including Active Directory, Microsoft Entra ID, Auth0, and legacy SIS integrations. Define a target-state identity operating model and architecture aligned to business and security requirements. Evaluate identity platform options and market offerings ...

Platform built for the enterprise. Global organizations trust OutSystems to rapidly build mission-critical apps and agents, modernize legacy processes with agentic systems, and govern their entire AI portfolio across complex regulatory environments, all on one unified platform.As the future becomes agentic, our customers need ...

Support Engineer Location: Reading, Leeds or Paddington Contract Inside IR35 The Role You will be responsible for the administration, support, and maintenance of OpenVMS systems running on a telecom platform. The role requires hands on expertise in day to day operations, system health management, and platform resilience, ensuring services … reliably in a 24x7 production environment. Your responsibilities: Administer, support, and maintain OpenVMS systems supporting critical telecom applications. Perform day to day operational activities including monitoring, job control, and system housekeeping. Manage system upgrades, patches, and OpenVMS version migrations with minimal service impact. Control and troubleshoot batch jobs, queues ...

Capital Markets. You will join a high‐calibre London‐based front office engineering team working on a next‐generation issuance platform replacing a legacy bookbuilding system. This is a hands‐on engineering role with a strong emphasis on Extreme Programming (XP) practices, including mob programming, test‐driven development … store, Artifact Registry and Cloud Logging, Key Management Experience with CI/CD and SDLC in regulated or enterprise environments Comfortable working on production systems requiring high availability and accuracy *Rates depend on experience and client requirements #J-18808-Ljbffr ...

Capital Markets. You will join a high-calibre London-based front office engineering team working on a next-generation issuance platform replacing a legacy bookbuilding system. This is a hands-on engineering role with a strong emphasis on Extreme Programming (XP) practices, including mob programming, test-driven development … store Artifact Registry and Cloud Logging Key Management Experience with CI/CD and SDLC in regulated or enterprise environments Comfortable working on production systems requiring high availability and accuracy Engineers in this role: Work primarily in mobs, sharing ownership of design and code Build, test, and evolve services ...

enables secure digital services, improves user experience, and supports long-term organisational objectives. The organisation currently operates a complex identity ecosystem comprising a legacy Student Information System (SIS), Active Directory, Microsoft Entra ID, and Auth0, with multiple identity stores and overlapping user management processes. Key Responsibilities Lead … technical assessments to understand current-state identity capabilities and challenges. Assess the existing identity architecture, including Active Directory, Microsoft Entra ID, Auth0, and legacy SIS integrations. Define a target-state identity operating model and architecture aligned to business and security requirements. Evaluate identity platform options and market offerings ...

critical. We are therefore looking for a technically strong marketer with hands-on experience in Salesforce Marketing Cloud (SFMC) and ideally Adobe Campaign (legacy system). You should be comfortable working with HTML emails, advanced segmentation and suppression logic, and have experience launching new brands, including IP warm … team, and technically capable of delivering excellence. Key Responsibilities Lead and manage a team of six. Own relationships, performance, and budgeting for all CRM systems and agency partners. Develop and execute multichannel CRM campaigns (email, SMS, push notifications, in-app messaging), ensuring relevance and performance. Oversee the full customer ...

Focus is on OS upgrades to Windows Server 2022/2025, primarily within Nutanix AHV, with some Azure-based work, alongside decommissioning of legacy systems. This is a hands-on Windows infrastructure role with expected involvement in design, delivery, and governance. While the primary focus is the upgrade … providing input into design approach, risk, and implementation strategy Upgrade and manage workloads across: Nutanix AHV (primary platform) Azure IaaS Support decommissioning of legacy servers and platforms Ensure servers are securely configured, hardened, and fully up to date with patches Contribute to wider infrastructure project delivery (Windows/ ...

Platform built for the enterprise. Global organizations trust OutSystems to rapidly build mission-critical apps and agents, modernize legacy processes with agentic systems, and govern their entire AI portfolio across complex regulatory environments, all on one unified platform.As the future becomes agentic, our customers need ...

summary Lead the design and assurance of end-to-end solution architectures across complex healthcare systems, ensuring alignment with business strategy and target architecture. Translate business needs into integrated, scalable solutions, including integrations with legacy and modern systems (e.g., SystmOne, Soliton). Act as a strategic ...

Description and PersonSpecification located under the supporting documents heading. Person Specification Experience Essential Excellent knowledge of current and legacy Hospital Information Systems Must have a good understanding of the operation of server and desktop hardware and software and associated peripherals and software drivers Desirable Have credible experience ...

into a clear, pragmatic cyber security roadmap, influencing senior stakeholders and operational teams Take end-to-end responsibility for cyber security across: Corporate IT systems, networks, cloud services, OT/ICS environments Define and enforce appropriate security architectures, controls and standards across both estates Ensure cyber security policies, standard … cyber security role Proven ability to define and deliver a cyber security strategy Proven ability to manage a complex environment Experience upgrading OT legacy systems. Demonstrable experience of security in complex or manufacturing environments. Appropriate certifications such as CISSP & CISM Excellent communication skills with the ability to influence ...

maintenance-focused (PPMs, reactive service, remedial works) rather than heavy installation. Key Responsibilities Complete servicing of intruder alarms, CCTV, and access control systems to BS/EN standards. Carry out PPMs and small remedial works (e.g., replacing cameras, detectors, door readers). Diagnose and fault-find efficiently across … legacy systems. Complete all job reports and administration accurately and on time. Participate in the on-call rota. Deliver exceptional customer service to high-net-worth clients, always acting professionally and discreetly. What Our Client Is Looking For Minimum 3 years' experience in service and maintenance of security ...