326 to 350 of 487 Legacy Systems Jobs in the UK

with occasional travel We're partnering with a FTSE100 organisation to find a Technical Integration Specialist who'll own SAP integrations and drive the migration from legacy systems to modern cloud platforms. This is a hands-on development role working with both legacy middleware (IIB) and cutting-edge SAP CPI. Perfect for someone who's … roll their sleeves up and deliver results. What you'll be doing: Developing and maintaining SAP integrations using SAP CPI and IBM Integration Bus (IIB) Supporting migration of legacy interfaces to modern platforms Building message flows, APIs, transformations, and data mappings Troubleshooting complex integration issues and API connectivity Collaborating with SAP functional teams and external vendors What we … technical integration Strong hands-on experience with SAP CPI (Cloud Platform Integration) Knowledge of SAP integration technologies – IDocs, BAPIs, RFCs, OData, SOAP/REST APIs Experience with message queuing systems and event-driven architectures Excellent troubleshooting skills and ability to manage multiple projects Positive, motivated attitude Nice to have: IBM Integration Bus (IIB) or middleware experience SAP PI/ More ❯

desk or purely operational support background. The successful candidate must have strong experience in Microsoft Teams Voice administration and end-to-end UC migrations , particularly transitioning services from legacy voice platforms (PSTN, Avaya, etc.) to MS Teams . This is an on-site role across East London, Luton, and Bedfordshire , with frequent travel between sites -- own transport is … organised, proactive, technically confident, and able to communicate effectively with clinical and operational leaders. Main duties of the job Deliver hands-on project work for the migration of legacy telephony services to Microsoft Teams Voice . Configure, deploy, and support Teams endpoints (handsets, headsets, common-area devices). Carry out site-based readiness assessments (network, Wi-Fi, switching … accounts. Configure and manage Teams-certified handsets (Yealink or equivalent). Apply best practice for numbering, naming conventions, and governance. Telephony Migrations & Support Migrate services from legacy systems (Avaya, BT, MSD, PSTN, etc). Coordinate number PORTs with telco suppliers and ensure smooth cutovers. Test inbound/outbound routing, call flows, and contingency arrangements. Provide second and More ❯

Microsoft technologies, cloud platforms, and modern data centre architectures. Working within our Managed Service Provider (MSP) environment, you’ll act as a trusted advisor, helping clients modernise their IT systems, improve resilience, and adopt hybrid and cloud solutions. Key Responsibilities Design, implement, and support Microsoft-based solutions (Windows Server, Active Directory, Exchange, Microsoft 365, Azure). Deliver consultancy on … modern data centre technologies including virtualisation (VMware/Hyper-V), storage, backup, and disaster recovery. Lead migrations and upgrades from legacy systems to cloud or hybrid platforms. Assess client environments, identify risks, and recommend improvements. Provide technical pre-sales support and solution design input. Collaborate with internal teams to deliver high-quality, end-to-end projects. Mentor More ❯

of migrating from Elixir to Typescript, so your role will be maintaining the existing Elixir application. The focus is on improving reliability, fixing bugs, and supporting integration with newer systems being built in other technologies. The project involves ensuring smooth interoperability between Elixir services and newer TypeScript-based systems, with a plan to decommission the existing Elixir app … by mid to late next year. You're experience: Strong commercial experience with Elixir, Phoenix, and LiveView Background working on event-driven systems or distributed architectures Experience in startups or SME environments Comfortable maintaining and improving legacy systems while supporting transition projects Collaborative, communicative, and proactive Interview Process: Screening call with me Interview with the hiring More ❯

The Business Change Specialist is responsible for delivering business change activities that enable internal teams and external stakeholders to adopt and embed changes associated with the Research Systems Programme. The role owns and leads discrete business change deliverables—readiness assessments, stakeholder engagement, adoption interventions, and early-life support—and operates with a high degree of autonomy to ensure the … successful transition from legacy systems to new digital services. This role is part of a fast-paced, iterative programme to build a user-centred digital service and achieve a successful transition from current systems (IRAS, HARP and TOPS). The programme will: connect processes for health and social care research in the UK; make the UK … UK. This directorate is responsible for: Delivering HRA Approval Supporting the Confidentiality Advisory Group and advising on the use of confidential patient information without consent Working to refine the systems and processes researchers need to follow to ensure a swift, robust and simple experience Providing guidance to applicants Providing training Working collaboratively with external partners to improve the research More ❯

where your work has real impact and your voice drives innovation? This is your chance to join a global, tech-forward organisation that’s transforming its legacy systems into a modern, service-oriented architecture. You’ll play a key role in that transformation, with the opportunity to grow your skills, contribute fresh ideas, and make a mark … Office integrations Confident with MS SQL Server and T-SQL Excellent communicator who thrives in a team setting Bonus: Experience working on high-availability , multi-user , n-tier distributed systems Hybrid Working Based in the West Midlands , with flexible hybrid working that balances collaboration and personal productivity. If you're ready to join a business where software is central More ❯

on a fixed term contract basis for 9-12 months . Workday represents a significant investment and a genuinely transformative change for our organisation, replacing many legacy systems, processes and ways of working, ensuring that SNG is fit for the future and better able to serve our customers. Based from our Basingstokeoffice, you'll combine home and … Finance modules to users and supporting the system implementation across HR and Finance Strong presentation, listening and facilitation skills Strong organisation and time management skills Understanding of learning management systems, instructional design and adult learning methodologies Knowledge of digital learning tools, including LMS platforms, MS Teams, Articulate or similar Ability to translate complex system processes into clear, accessible training More ❯

you'll play a pivotal role in both shaping modernization solutions and supervising delivery execution. You will partner with sales, delivery, and clients to design transformation paths from legacy to modern architectures … integrating GenAI accelerators and helping deliver tangible business value. Responsibilities: Collaborate on pre-sales engagements: assessments, proposals, orals, and business case creation. Design modernization paths from legacy systems (COBOL, z/OS, etc.) to modern stacks (Java, MSA, cloud). Lead effort estimation, tool strategy selection, and transformation approach definition. Provide architectural oversight during execution to ensure … evaluations and PoCs involving GenAI and automation accelerators. Mandatory Skills Description: 8+ years in enterprise application architecture, with at least 3 years in modernization. Proven ability to assess legacy estates and define future-state architectures. Proficiency in mainframe tech (COBOL, DB2, CICS) and modern stacks (Java, Spring, microservices). Exposure to GenAI use cases in application engineering and More ❯

frameworks (React experience a bonus, not essential) Experience working with APIs and third-party integrations Excellent communication skills and a proactive, problem-solving mindset Comfortable maintaining Legacy systems while supporting technology modernisation A thoughtful, methodical and customer-focused approach to development If you're looking for a role that combines hands-on coding with collaboration, creativity and More ❯

frameworks (React experience a bonus, not essential) Experience working with APIs and third-party integrations Excellent communication skills and a proactive, problem-solving mindset Comfortable maintaining legacy systems while supporting technology modernisation A thoughtful, methodical and customer-focused approach to development If youre looking for a role that combines hands-on coding with collaboration, creativity and technical More ❯

and they are in the process of continuing to evolve and modernise, they are undertaking a major transformation of their digital platforms, including the migration of legacy systems to Microsoft Dynamics and cloud-native solutions click apply for full job details More ❯

critical project with a high-profile Government Client . This is a key technical role focusing on a vital component of the client's technology landscape: migrating a legacy message queueing system to a modern, scalable platform click apply for full job details More ❯

a growing software company who are seeking an Onboarding Manager to own and lead the full customer onboarding journey. You will ensure that every client migrating from a legacy system to their platform experiences a smooth, structured, and positive transition. This is an active delivery role — you will be directly involved with customers and internal teams throughout each More ❯

The platform acts as a “man in the middle” solution, empowering users with flexible scheduling , cached package delivery , and a consistent, user-friendly experience - solving the challenges of legacy System Center deployments and clunky update processes. With rich telemetry, direct user engagement, and a modern interface, WSM is redefining how enterprise device management should feel. 💼 The Role This More ❯

The platform acts as a “man in the middle” solution, empowering users with flexible scheduling , cached package delivery , and a consistent, user-friendly experience - solving the challenges of legacy System Center deployments and clunky update processes. With rich telemetry, direct user engagement, and a modern interface, WSM is redefining how enterprise device management should feel. 💼 The Role This More ❯

1️⃣ Senior Manager – Insurance Architect | London | Up to £115k + Package | Hybrid Insurance firms are under pressure to modernise — legacy systems, regulatory change, and shifting customer expectations mean transformation needs both strategic vision and technical precision . That’s where this Senior Manager-level role comes in. You’ll join a leading consulting practice, helping major insurers More ❯

1️⃣ Senior Manager – Insurance Architect | London | Up to £115k + Package | Hybrid Insurance firms are under pressure to modernise — legacy systems, regulatory change, and shifting customer expectations mean transformation needs both strategic vision and technical precision . That’s where this Senior Manager-level role comes in. You’ll join a leading consulting practice, helping major insurers More ❯

year. This is the right opportunity for an engineer who is ready to take on significant ownership. You won't just be maintaining a small part of a legacy system; you will be a core architect of our entire platform. We are seeking a Full Stack Software Engineer to build and scale features across our Dart/Flutter More ❯

we determine whether a property is available for sale and identify any associated extra costs with that property. Much of this process currently relies on outdated legacy systems, which we are striving to eliminate and replace with a unified platform situated at the core of our operations, bringing everything together seamlessly." Joining our engineering teams, you’ll More ❯

the financial domain? We’re partnering with a leading global financial services organisation to expand their London technology team. This is an excellent opportunity to contribute to cutting-edge systems in Capital Markets and Risk Management , working with modern tools and robust enterprise-level platforms. Key Responsibilities Design, develop, and maintain robust applications using C#, .NET Core/.NET … with large on-premise data sets. Participate in code reviews, documentation, and CI/CD pipelines using Git and modern DevOps practices. Support both legacy and modern systems , contributing to technology uplift initiatives. Skills & Experience 8–10 years of hands-on experience in .NET software development . Strong proficiency in C#, .NET Core/.NET Framework , and More ❯

the financial domain? We’re partnering with a leading global financial services organisation to expand their London technology team. This is an excellent opportunity to contribute to cutting-edge systems in Capital Markets and Risk Management , working with modern tools and robust enterprise-level platforms. Key Responsibilities Design, develop, and maintain robust applications using C#, .NET Core/.NET … with large on-premise data sets. Participate in code reviews, documentation, and CI/CD pipelines using Git and modern DevOps practices. Support both legacy and modern systems , contributing to technology uplift initiatives. Skills & Experience 8–10 years of hands-on experience in .NET software development . Strong proficiency in C#, .NET Core/.NET Framework , and More ❯

to support a major utilities provider through a large-scale transformation of their Asset Management systems. This role is central to the delivery of a strategic programme replacing Legacy tools with ArcGIS and IBM Maximo. The Solutions Architect contract is initially for 3 months with … a very high chance for extension. Hard requirements: Strong Career Experience with ArcGIS is essential Experienced Solutions Architect across wider enterprise scale settings Demonstrable skills working on Asset Management systems/projects Some exposure to IBM Maximo is desirable You must be happy with 1-2 days a month in the office (Worthing, West Sussex) ArcGIS Solutions Architect Responsibilities … design artefacts such as solution blueprints, HLDs, and component specs Acting as technical authority on ArcGIS across implementation and future improvement phases Supporting migration away from Legacy systems, with a focus on decommissioning and optimisation Presenting and reviewing architecture with peers, delivery teams, and business SMEs Advising on capability expansion within ArcGIS post-deployment They are offering More ❯

transformation, with ambitious plans to modernise and restructure their technology landscape. You'll work across both front end and back end technologies, helping to migrate from legacy systems to modern, scalable solutions. This role offers real scope to influence technical direction and shape the organisation's future stack. Key Skills & Experience: C#/.NET Framework/.NET … Core VB.Net (for legacy system support) Angular (or similar front-end framework) RESTful APIs and integration experience SQL Server or related databases Why Join? Be part of a major technology transformation programme Work with supportive leadership focused on innovation and modernisation Hybrid flexibility and a collaborative environment Opportunity to help shape the next generation of the company's More ❯

care and welcome the opportunity to benefit from the broad range of flexible career and development opportunities we can offer. Improve efficiency through simplified and standardised policies, processes, and systems, drawing on the best from both Trusts. Do things once and reduce any duplication on transactional tasks giving corporate staff the ability to focus on higher value and more … same role. Over the course of the fixed-term contract, you will focus on supporting EPR workstreams, integrating new infrastructure and solutions, while migrating and decommissioning legacy systems as directed by the Technical Service Lead (OneEPR). As OneEPR is an evolving project with currently undefined boundaries, this role aligns with the standard Technical Service Specialist job … availability and integrity for end-users and optimise the value gained by the Trust from its investment in IT. This will be achieved by: Delivering new and modified IT systems that address IT security, performance and availability requirements; Supporting software and hardware installations, specifications, testing and service transition; Supporting the Trust in meeting business objectives by contributing to assessment More ❯

care and welcome the opportunity to benefit from the broad range of flexible career and development opportunities we can offer. Improve efficiency through simplified and standardised policies, processes, and systems, drawing on the best from both Trusts. Do things once and reduce any duplication on transactional tasks giving corporate staff the ability to focus on higher value and more … same role. Over the course of the fixed-term contract, you will focus on supporting EPR workstreams—integrating new infrastructure and solutions, while migrating and decommissioning legacy systems as directed by the Technical Service Lead (OneEPR). As OneEPR is an evolving project with currently undefined boundaries, this role aligns with the standard Technical Service Specialist job … availability and integrity for end-users and optimise the value gained by the Trust from its investment in IT. This will be achieved by: Delivering new and modified IT systems that address IT security, performance and availability requirements; Supporting software and hardware installations, specifications, testing and service transition; Supporting the Trust in meeting business objectives by contributing to assessment More ❯