401 to 425 of 484 Legacy Systems Jobs in the UK

of all projects under their supervision. This includes the planning, execution, and delivery of complex IT and business transformation projects – with a focus on replacing legacy core systems such as finance, HR, and operational platforms. The Project Manager will coordinate resources, manage risks, and ensure projects are delivered on time, within scope, and on budget in accordance More ❯

a comprehensive data roadmap, including governance policies, documentation, and clear steps to achieve a modern, unified data environment. Lead the data migration process from legacy and acquired systems, ensuring accuracy, integrity, and minimal disruption. Manage and improve data quality across multiple systems, ensuring consistency, reliability, and context. Identify opportunities to automate processes and improve efficiency using More ❯

is a dynamic mix of operational management, strategic delivery, and hands-on problem-solving. You will: Lead Tech Operations: Ensure the security, reliability, and performance of our core IT systems, data platforms, and infrastructure, working closely with 3rd party providers. Drive Strategy: Collaborate directly with the CEO and executive team to define and deliver the company's ambitious technology … data, and AI roadmap. Deliver Change: Lead key projects, including replacing legacy finance systems (QuickBooks), potentially implementing a new CRM, and integrating AI enhancements for patient engagement and business efficiency. Optimise Specialist Systems: Manage and enhance the performance of specialist mole mapping hardware and work with technical teams to leverage embedded AI for diagnostic support. Build … data, or technology management, ideally within a multi-system or growing organisation. Data Expertise: A strong understanding of data management, reporting, and analytics. System Management: Experience managing third-party systems (e.g., CRM, finance, or clinical platforms). Tech Awareness: Familiarity with hardware, embedded AI, or a clear enthusiasm for applied technology and automation. Foundational Knowledge: Solid grasp of cybersecurity More ❯

Build and maintain extensions, integrations and custom modules to meet client-specific needs Collaborate with functional consultants to translate requirements into robust technical specifications Upgrade legacy NAV systems to Business Central, ensuring minimal disruption and improved functionality Optimise performance and ensure code quality through testing, peer reviews and best practice development Provide technical support and troubleshooting for More ❯

brilliant people to join our team. The Role We are looking for an experienced Senior Software Engineer – ATE to take a technical role in developing and maintaining automated test systems used to validate our advanced embedded computing products by operations. This is a key position in ensuring that every product meets the company’s exacting standards for performance and … test requirements and ensure full coverage of product functionality. • Analyse test results, investigate issues, and contribute to root cause analysis and continuous improvement initiatives. • Oversee legacy ATE systems, implementing upgrades and performance optimisations. • Mentor and support junior software and test engineers in best practices for software design, test automation, and coding standards. • Ensure all ATE software complies … with internal quality management systems and industry standards (e.g., ISO 9001, IPC). What do I need to bring with me? Essential Skills & Qualifications • Degree in Software Engineering, Computer Science, Electronics, or a related discipline. • Extensive experience developing software for automated test systems or hardware validation environments. • Strong proficiency in C#, C/C++, or Python, including OO More ❯

regulated environments. Key Responsibilities: Define and lead enterprise API strategy and architecture Drive API adoption and governance across teams Ensure secure, scalable integration with legacy and cloud systems Maintain compliance with financial regulations Monitor and optimise API performance and developer experience Experience Required: Proven leadership in large-scale API programmes Expertise in REST, OAuth2, OpenAPI, and API More ❯

regulated environments. Key Responsibilities: Define and lead enterprise API strategy and architecture Drive API adoption and governance across teams Ensure secure, scalable integration with legacy and cloud systems Maintain compliance with financial regulations Monitor and optimise API performance and developer experience Experience Required: Proven leadership in large-scale API programmes Expertise in REST, OAuth2, OpenAPI, and API More ❯

Type: Permanent/Client-Facing Role About the Role Entasis Partners is supporting a leading consultancy to secure an experienced Enterprise Architect to drive technology and platform strategy, legacy system modernisation, and M&A integration initiatives. This is a high-impact, client-facing role where you’ll partner with senior stakeholders to define technology roadmaps, rationalise complex IT … technology and platform strategies to support business transformation objectives. Lead legacy system modernisation, including cloud migration, platform consolidation, and process optimisation. Drive M&A integration initiatives, aligning systems, data, and processes across organisations. Advise on enterprise architecture frameworks and best practices to ensure scalable, secure, and future-ready IT landscapes. Mentor and guide cross-functional teams, fostering … senior stakeholders. What We’re Looking For from the Lead Enterprise Architect Proven experience as an Enterprise Architect focused on technology and platform strategy. Hands-on experience with legacy system modernisation, cloud platforms (Azure, AWS, GCP), and IT transformation programmes. Experience leading or supporting M&A integration projects, including system consolidation and rationalisation. Strong stakeholder management and influencing More ❯

Type: Permanent/Client-Facing Role About the Role Entasis Partners is supporting a leading consultancy to secure an experienced Enterprise Architect to drive technology and platform strategy, legacy system modernisation, and M&A integration initiatives. This is a high-impact, client-facing role where you’ll partner with senior stakeholders to define technology roadmaps, rationalise complex IT … technology and platform strategies to support business transformation objectives. Lead legacy system modernisation, including cloud migration, platform consolidation, and process optimisation. Drive M&A integration initiatives, aligning systems, data, and processes across organisations. Advise on enterprise architecture frameworks and best practices to ensure scalable, secure, and future-ready IT landscapes. Mentor and guide cross-functional teams, fostering … senior stakeholders. What We’re Looking For from the Lead Enterprise Architect Proven experience as an Enterprise Architect focused on technology and platform strategy. Hands-on experience with legacy system modernisation, cloud platforms (Azure, AWS, GCP), and IT transformation programmes. Experience leading or supporting M&A integration projects, including system consolidation and rationalisation. Strong stakeholder management and influencing More ❯

been briefed on a fantastic opportunity for 3 Business Analysts to join a great organisation in the heart of Birmingham. As the business looks to modernise their operations and systems, they are embarking on a significant transformation programme to replace their legacy SAP system with best-of-breed ERP solutions. To support this, they are recruiting their … operational competence that will benefit the business long term. About the role Key accountabilities: Work collaboratively with business teams to uncover, map, and document existing ('as-is') business processes, systems, and touchpoints, using clear, detailed and visual process maps. Document existing business processes through workshops (remote or in person), interviews, and process walkthroughs to build a comprehensive and accurate More ❯

been briefed on a fantastic opportunity for 3 Business Analysts to join a great organisation in the heart of Birmingham. As the business looks to modernise their operations and systems, they are embarking on a significant transformation programme to replace their legacy SAP system with best-of-breed ERP solutions. To support this, they are recruiting their … operational competence that will benefit the business long term. About the role Key accountabilities: Work collaboratively with business teams to uncover, map, and document existing ('as-is') business processes, systems, and touchpoints, using clear, detailed and visual process maps. Document existing business processes through workshops (remote or in person), interviews, and process walkthroughs to build a comprehensive and accurate More ❯

the design of an Azure-based platform, integrating data and processes from three separate systems. The position will play a key part in designing scalable, secure, and occasionally bespoke systems that support critical business applications and integrations within financial services and case management. Working closely with development teams and senior stakeholders, the role will shape the technical direction of … the organisation’s core systems. Job Duties of the Solution Architect: Lead solution design across multiple core systems and applications focused on transactional, financial & case management. Work closely with senior (Head of to C-suite) to shape the technical direction of the platform. Architect and document integrations using APIs, microservices, and event-driven patterns (Kafka). Manage multiple projects … simultaneously. Produced well-articulated documentation. Ensure architectural governance, scalability, and security across all projects. Champion modern software design practices within Agile delivery teams. Balance new technology adoption with legacy system integration. Key Requirements of the Solution Architect: Proven experience as a Solution Architect, ideally focusing on case management, transactional/event based or financial systems. Excellent stakeholder management More ❯

improvement to deliver high-quality solutions. Key Responsibilities Software Development • Design, build, and maintain software solutions using Node.js with Express (backend) and Vue.js (frontend). • Support and maintain legacy applications in PHP and jQuery. • Write efficient database queries and structures in relational (MySQL/MariaDB) and NoSQL (MongoDB). • Develop secure, reliable, and scalable applications with clear documentation. … maintain solutions in Docker containers and Linux VM environments. • Support cloud-hosted deployments (Azure, AWS, or equivalent). • Monitor application and server health (CPU, memory, storage, databases). • Ensure systems are patched, secure, and updated to meet customer needs. Customer Engagement • Liaise with customers to gather requirements and understand business processes. • Translate customer needs into technical specifications and solutions. … initiative and teamwork. • Attention to detail with a focus on quality and reliability. Performance Expectations Deliver working, tested software on time and to agreed specifications. Maintain and improve existing systems with minimal downtime. Ensure customer requirements are clearly captured and delivered. Adhere to company coding standards, CI/CD workflows, and security protocols. Actively contribute to continuous improvement in More ❯

an Enterprise Application Architect to play a pivotal role in defining, developing, and governing their application architectures. This is an opportunity to lead on embedding automation and AI, modernising systems, and ensuring alignment with the TOGAF Standard as they deliver an ambitious digital strategy. The role. As an Enterprise Application Architect, you will: Lead the development of application architectures … that are fully aligned with business, data, and technology domains. Drive application rationalisation and the retirement of legacy systems. Integrate automated, AI, and cloud-smart approaches at the heart of their digital estate. Create TOGAF-aligned deliverables including architecture principles, roadmaps, and gap analyses. Partner with senior stakeholders to translate business needs into effective, future-proof technology solutions. More ❯

that can accelerate business growth and efficiency. Operational Excellence Oversee the delivery of IT portfolios and initiatives, ensuring timely execution and measurable outcomes. Drive standardisation, simplification, and automation across systems and platforms. Lead regional application rationalisation, cloud migration, and cybersecurity compliance in support of global programmes. Champion process optimisation, data quality, and reporting improvements. Transformation & Innovation Champion digital initiatives … including AI, analytics, RPA, and low-code automation to improve productivity and user experience. Lead efforts to reduce technical debt and modernise legacy systems. Support sustainability and employee engagement objectives within IT. Stakeholder Engagement Build trust through transparent communication and consistent delivery. Partner with Business Unit General Managers, and Functional Directors to shape demand and set expectations. Represent … huge variety of functions; they are central to your mission. This is where Johnson Controls comes in, helping drive the outcomes that matter most. Through a full range of systems and digital solutions, we make your buildings smarter. A smarter building is safer, more comfortable, more efficient, and, ultimately, more sustainable. Most important, smarter buildings let you focus more More ❯

We are seeking an Energy Migration Senior Data Analyst to join our Home Services Energy Data Team to assist with the migration of our Energy Portfolio from UW legacy application to Gentrack Junifer. This is an exciting opportunity to contribute to a major data migration project in an award winning energy provider and UK FTSE 250 company. Please … consider fixed term or day rate contract - please indicate your preference in your application. The migration work will have two parts: a) Migration of portfolio from our UW legacy CRM system to Gentrack. b) Build extract scripts to pull data from Gentrack Junifer database and load the data into UW BigQuery data warehouse to assist with management, regulatory More ❯

lead a new cloud modernisation programme within the government sector. This is a strategic leadership role where you'll shape the approach to transforming legacy on-premise systems to modern public cloud infrastructure. What You'll Be Doing Leading the strategy and execution of on-premise to cloud migration programmes Shaping new technology modernisation work-streams from … end technology transformation life-cycles Navigating government commercial frameworks and procurement processes Understanding and managing dependencies across operational support and outsourcing Applying modern practices (DevOps, SecOps, Agile) to legacy system modernisation Essential Experience Technical Proven experience leading cloud modernisation projects (on-premise to public cloud) Strong understanding of public cloud platforms (AWS, Azure) Experience with legacy More ❯

lean, high-performing team. This is a hands-on Data Engineer role where you’ll be at the heart of a major migration project — moving legacy IT systems and databases onto modern platforms. You’ll write Python scripts, build ETLs, and find smart ways to transform messy, unstructured data into clean, structured formats that support machine learning … who thrives on solving real problems and wants their work to make a tangible difference. 🔧 What You’ll Be Doing Build and optimize ETL pipelines in Python Migrate legacy databases to modern platforms Clean and transform unstructured data into usable formats Support ML workflows and data-driven product features Collaborate with engineering, product, and leadership to deliver fast … Equity on offer with meaningful upside Interview process focused on how you think, not just what you know A chance to be the kind of Data Engineer who builds systems that matter If you’re a Data Engineer ready to make a difference and want to be part of something meaningful, drop me a message or email me at More ❯

lean, high-performing team. This is a hands-on Data Engineer role where you’ll be at the heart of a major migration project — moving legacy IT systems and databases onto modern platforms. You’ll write Python scripts, build ETLs, and find smart ways to transform messy, unstructured data into clean, structured formats that support machine learning … who thrives on solving real problems and wants their work to make a tangible difference. 🔧 What You’ll Be Doing Build and optimize ETL pipelines in Python Migrate legacy databases to modern platforms Clean and transform unstructured data into usable formats Support ML workflows and data-driven product features Collaborate with engineering, product, and leadership to deliver fast … Equity on offer with meaningful upside Interview process focused on how you think, not just what you know A chance to be the kind of Data Engineer who builds systems that matter If you’re a Data Engineer ready to make a difference and want to be part of something meaningful, drop me a message or email me at More ❯

their lean, high-performing team.This is a hands-on Data Engineer role where you’ll be at the heart of a major migration project — moving legacy IT systems and databases onto modern platforms. You’ll write Python scripts, build ETLs, and find smart ways to transform messy, unstructured data into clean, structured formats that support machine learning … who thrives on solving real problems and wants their work to make a tangible difference. What You’ll Be Doing Build and optimize ETL pipelines in Python Migrate legacy databases to modern platforms Clean and transform unstructured data into usable formats Support ML workflows and data-driven product features Collaborate with engineering, product, and leadership to deliver fast … team that’s grown from 7 to 75 in just 3 months and they’re just getting started A chance to be the kind of Data Engineer who builds systems that matter If you’re a Data Engineer ready to make a difference and want to be part of something meaningful, drop me a message or email me at More ❯

expertise in automated testing frameworks (e.g., Selenium, Cypress, Playwright) and cloud platforms. Deep understanding of CI/CD pipelines and DevOps practices. Demonstrated experience modernising legacy QA systems and driving organisational change Background in finance or risk functions, with exposure to regulatory or prudential regimes highly desirable. Comfortable working with large datasets, transformations, and calculations. Excellent attention More ❯

expertise in automated testing frameworks (e.g., Selenium, Cypress, Playwright) and cloud platforms. Deep understanding of CI/CD pipelines and DevOps practices. Demonstrated experience modernising legacy QA systems and driving organisational change Background in finance or risk functions, with exposure to regulatory or prudential regimes highly desirable. Comfortable working with large datasets, transformations, and calculations. Excellent attention More ❯

SC-400, or MS-700. Experience with: o Microsoft Teams, OneDrive, Exchange Online o Microsoft Defender for Cloud Apps and Entra ID Protection o Migrating legacy file systems to SharePoint Online o Agile or ITIL-based service management practices What We Can Offer in Return: With a robust order book our client offers stability, exciting projects, and More ❯

SC-400, or MS-700. Experience with: o Microsoft Teams, OneDrive, Exchange Online o Microsoft Defender for Cloud Apps and Entra ID Protection o Migrating legacy file systems to SharePoint Online o Agile or ITIL-based service management practices What We Can Offer in Return: With a robust order book our client offers stability, exciting projects, and More ❯

SC-400, or MS-700. Experience with: o Microsoft Teams, OneDrive, Exchange Online o Microsoft Defender for Cloud Apps and Entra ID Protection o Migrating legacy file systems to SharePoint Online o Agile or ITIL-based service management practices What We Can Offer in Return: With a robust order book our client offers stability, exciting projects, and More ❯