26 to 50 of 142 Legacy Systems Jobs in the UK excluding London

business. As part of a large-scale transformation programme, you'll help modernise core business platforms, support cloud adoption, replace legacy systems, and drive the delivery of enterprise-wide digital solutions. Working at the intersection of business operations and technology, you'll collaborate with stakeholders across … requirements, and translating them into practical, scalable technology solutions. This is a highly visible role offering exposure to a diverse portfolio of projects spanning systems integration, process improvement, platform modernisation, and digital transformation initiatives. Key Responsibilities Partner with business stakeholders to understand current processes, challenges, and strategic objectives. Gather ...

multi-vendor delivery environments. Knowledge of Agile delivery methodologies and modern software development practices. Desirable Experience leading enterprise application modernisation programmes. Experience delivering legacy system decommissioning initiatives. Knowledge of enterprise architecture frameworks such as TOGAF. Microsoft Azure and Dynamics 365 certifications. Experience within membership organisations, professional bodies ...

virtualisation solutions, containerisation strategies and orchestration platforms Design disaster recovery, business continuity and resilience architectures meeting MOD availability requirements Guide infrastructure modernisation programmes, legacy system migrations and technology refresh initiatives Ensure infrastructure designs comply with MOD security requirements, Classification Guides and defence standards Technical Leadership & Governance Lead infrastructure ...

Programme Manager – Housing Systems Transformation (Interim) Location: Adur & Worthing, West Sussex (Hybrid Working) Rate: £309.00 per day PAYE + Holiday Pay (£37.30 per day) Contract: Temporary until July 2027 Hours: 37 hours per week Hybrid Working – The Best of Both Worlds This role offers an excellent hybrid working arrangement … flexibility and a healthy work-life balance. The Opportunity An exciting opportunity has arisen for an experienced Programme Manager to lead a major Housing Systems Transformation Programme for a large housing organisation in West Sussex. This high-profile programme will replace multiple legacy systems with ...

Lead Data Engineer Hands-on technical leadership building data systems that actually work We're looking for a Lead Data Engineer to join an enterprise data engineering capability and play a critical role in designing, building, and improving real-world data systems . This is not a line … engineers and adjacent roles through design decisions, code, and delivery support Improve data sharing, onboarding of new data sources, and interoperability across teams and systems Introduce and evaluate new tools, patterns, and technologies where they genuinely add value - balancing innovation with pragmatism Build robust, production-grade solutions , not proofs ...

This role is responsible for designing and implementing scalable, modern software solutions that meet business needs, while leading the transition of legacy systems into more flexible, web-based platforms using APIs and industry-standard practices. Technical & Architectural Skills Software architecture and system design Application modernization (legacy … Development Manager, fostering a collaborative and high-performing environment. Architect and design modern, scalable applications and integrations, with a focus on transitioning from legacy platforms to modern solutions. Collaborate with stakeholders and change management teams to gather requirements and translate them into clear, actionable technical specifications. Oversee ...

workshop — staging, imaging, and testing customer devices and networking equipment prior to deployment. Your responsibilities Ensure that all prebuilt/preconfigured solutions/systems and hardware is configured and setup in line with Manufacturer, IT and Cyber best practices • Provide responsive, hands-on support for our field-based engineers … systems and customers • Commissioning support for our professional services team Maintain documentation for processes, systems, assets, and credentials • Play a key role in transitioning legacy systems to new solutions Your competencies Essential • Good understanding of IP Networking, switches, firewalls, routers and VPNs. • IT Support/ ...

testing, version control (Git), & code review workflows. Hands-on CI/CD experience - building, configuring, or maintaining automated build & deployment pipelines. Experience modernizing Legacy software - migrating codebases from older languages or frameworks to current platforms, including UI/UX modernization. C#/.Net Senior Desktop Software Engineer … complex desktop & cloud applications using modern software engineering practices (design patterns, SOLID principles, automated testing, continuous integration/delivery). Modernize Legacy systems - Lead migration of mature C/C++ codebases to modern languages, runtimes, & UI/UX frameworks while preserving scientific accuracy & performance. (nice to have ...

platforms and datasets are reliable, performant, and ready to support analytics and business intelligence. Lead hands-on data mapping activities from legacy systems into Databricks, considering downstream analytics requirements including Tableau and future AI-driven use cases such as Mulesoft IDP and Data360/Agentforce. Support … similar cloud-based data platforms. Demonstrable experience designing and building production-grade data pipelines. Experience working with data migration and mapping from legacy systems. Strong understanding of data modelling, transformation, and data engineering principles. Experience supporting analytics and reporting platforms such as Tableau. Desirable: Experience working with Salesforce ...

leading public sector organisation based in Belfast is seeking an experienced Systems Project Manager to lead the end-to-end delivery and implementation of a critical Customer Relationship and Case Management System (CRM/CMS). This is a hands-on role where you will drive the practical implementation … platform, oversee data migration from legacy systems, and champion process re-engineering across diverse teams. You will work closely with senior leadership to ensure successful system adoption, automation, and deliver improved user and customer experiences. Key Responsibilities Project Delivery: Lead the end-to-end implementation ...

leading Northern Ireland manufacturer, implementing Microsoft Dynamics 365 Finance & Operations. You'll work closely with manufacturing, supply chain, engineering, and finance teams to ensure systems fully support operations. This role bridges business and IT - analysing processes, defining requirements, and supporting the move from legacy systems … optimisation * Map "as-is" and "to-be" processes * Facilitate solution design workshops * Assist with system testing and UAT * Support integration with production and operational systems * Provide ongoing support for existing systems What you'll bring: * Proven ERP Business Analyst experience * Experience with Microsoft Dynamics ...

standards, governance, and design patterns Driving Microsoft‐first architecture across cloud, data, integration, and business platforms Leading architecture alignment across digital, operational, and business systems Translating business strategy into scalable, secure technical solutions Acting as a trusted advisor to senior leadership on technology direction and investment Technology Landscape This … Modern Data Platforms (Azure Data Services, data governance, analytics) API‐first & event‐driven architectures Enterprise‐scale integration across SaaS and legacy systems Key Responsibilities Define and govern the architecture roadmap aligned to business priorities Lead architectural design across D365 solutions and Microsoft cloud platforms Establish best practices ...

trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

person leadership position based at our Leeds HQ. You'll lead the engineering organisation responsible for BigChange's full product suite — from the legacy monolith to our rapidly evolving microservices platform and mobile applications — while embedding an AI-First engineering culture that makes every engineer more capable, every … companies you understand how engineering decisions compound into product and commercial outcomes.* Comfort with complexity — you've navigated hybrid environments combining legacy systems and modern platforms, and you've made that transition well.* Strong presence and communication — you lead in person, you build trust quickly ...

their Belfast engineering team. This is a hands-on senior role sitting at the heart of a live re-platforming project, migrating a legacy application into AWS and modernising it for cloud-native best practices. You will work alongside an experienced senior engineer to drive this forward, with … that. What you will be doing: Designing and implementing robust, scalable, and secure infrastructure on AWS Driving the migration of legacy systems into cloud-native architectures Developing and maintaining infrastructure-as-code using Terraform or comparable tooling Improving system reliability, observability, and cost-efficiency across environments Modernising ...

deliver scalable, cloud-native platforms that power enterprise-grade products. The organisation works with major enterprise and regulated clients to modernise legacy systems, build new digital platforms, and deliver high-performance cloud solutions at scale. This is a hands-on engineering role where you will work across … full lifecycle — from design through to deployment and live operations — building serverless, event-driven systems on AWS. You’ll be part of a cross-functional team working closely with product, platform, and DevOps engineers, with real ownership of technical delivery. What you’ll be doing AWS Cloud Engineering Designing ...

inside Job Description: Borders & Trade within the client are poised for a noteworthy transformation, exploring the opportunity to move away from legacy systems built on the Ingres database and OpenROAD technology. The intention is to transition from older infrastructure, ease licensing limitations, and begin a new chapter … skills. Familiarity with tools such as Azure DevOps and Jira. Ability to manage complex dependencies and environments. Desirable Experience with migration programmes and legacy system replacement. Knowledge of the client MU frameworks and governance. Exposure to low-code/no-code platforms and modernisation initiatives. Experience and knowledge ...

intersection of AI strategy, technical consulting and presales engagement, working directly with airline customers to identify opportunities where AI can modernise legacy systems, automate operational processes and deliver measurable commercial value. Key responsibilities Act as the AI lead within presales and customer-facing engagements across the aviation ...

sprint goals. Your new development will be done within a Microservices architecture, but you will also be contributing to our legacy systems while we are in the transition period. Our stack runs on Azure including Front Door, App Services, Application Insights, and App Configuration with SQL Server ...

service performance, resilience and risk management, working with Technology to meet agreed service levels. Lead major digital change, including modernising legacy systems and improving integrations and data quality. Sponsor innovation where it adds value (including AI and automation), running controlled trials and scaling what works. Manage budgets ...

confidence. DWP is expanding its automation capability, using modern technologies such as cloud-native APIs and emerging Agentic AI, alongside RPA for legacy systems. You'll contribute to building new solutions from the ground up, strengthening your coding fundamentals while gaining practical experience with AWS and automation platforms. ...

need Engineers to support the transformation and the future growth of the business, simplifying our IT architecture by removing our legacy systems and delivering new solutions providing market-leading services for our colleagues, customers and advisers. What you'll do The Engineer is responsible for the design … decision-making skills. Excellent time and self-management through effective planning & prioritisation of tasks Desirable Skills: Azure PaaS M-Files Experience with distributed systems (SOA, Microservices) Benefits of working at Canada Life We believe in recognising and rewarding our people, so we offer a competitive salary and benefits package ...

Level 1 (Level 2 desirable) Experience delivering enterprise-scale integrations Integration experience with Salesforce, SAP, ServiceNow, AWS/Azure, databases, and legacy systems Knowledge of API security (OAuth 2.0, JWT, mTLS/SSL/TLS) Familiarity with CloudHub v2.0, Runtime Fabric, and hybrid architectures Why Apply Fully ...

enterprise-grade solutions across cloud, hybrid and on-prem environments. Working alongside experienced architects, youll help shape modern architectures connecting legacy systems with emerging technologies, including AI. This is a client-facing role with strong progression into a fully-fledged Solution Architect position. Key Responsibilities Contribute ...

enterprise-grade solutions across cloud, hybrid and on-prem environments. Working alongside experienced architects, you’ll help shape modern architectures — connecting legacy systems with emerging technologies, including AI. This is a client-facing role with strong progression into a fully-fledged Solution Architect position. Key Responsibilities Contribute ...