51 to 75 of 266 Legacy Systems Jobs in the UK excluding London

that truly believes when you win, we all win, and when you fail, we all learn, then were eager to hear from you. We are looking to expand our Systems and Project Engineering capability in all levels of experience and are keen to hear from you if you feel youre ready to take the next step in your career. … You must be a Sole UK National and qualify for Security Clearance. Job Description The Systems Engineer will work together with the customer contributing to requirements management and problem understanding, supporting facilities engineering and major infrastructure projects. This role may include but is not limited to: requirements management , ensure projects are properly scoped and delivered using sound systems … and problem definition are done effectively and collaboratively Support the development of technical documentation including requirement sets, interface definitions, V&V plans and logical architectures. Apply and promote practical systems thinking in support of infrastructure and facilities maintenance projects Compile and peer review project and technical reports. Workload Management - Workload planning, estimating & scheduling, support project coordination if part of More ❯

scalable technology solutions across the Army's digital ecosystem. Working within a multi-disciplinary Defence team, you'll help define and implement solution architectures that modernise legacy systems, establish new digital standards, and ensure systems are interoperable, resilient, and aligned with strategic objectives. The ideal candidate will bring strong Defence or Army experience - particularly an understanding … of command, intelligence, and operational systems - combined with the technical expertise to design solutions that drive real operational advantage. This is a hybrid role and you will be required to work 2 days a week onsite in Andover. Valid SC clearance is essential, and previous MOD/Army experience is highly desirable. Key Responsibilities Lead the definition, design, and … frameworks. Skills & Experience Required Proven experience as a Solution Architect on large-scale, complex transformation programmes. Strong Army or Defence background , ideally with knowledge of command, control, and intelligence systems . Deep understanding of architecture frameworks, design standards and methodologies. Experience with secure software development lifecycles , OWASP , GDPR , and NCSC Cloud Security Principles . Demonstrated ability to design and More ❯

scalable technology solutions across the Army's digital ecosystem. Working within a multi-disciplinary Defence team, you'll help define and implement solution architectures that modernise legacy systems, establish new digital standards, and ensure systems are interoperable, resilient, and aligned with strategic objectives. The ideal candidate will bring strong Defence or Army experience - particularly an understanding … of command, intelligence, and operational systems - combined with the technical expertise to design solutions that drive real operational advantage. This is a hybrid role and you will be required to work 2 days a week onsite in Andover. Valid SC clearance is essential, and previous MOD/Army experience is highly desirable. Key Responsibilities Lead the definition, design, and … frameworks. Skills & Experience Required Proven experience as a Solution Architect on large-scale, complex transformation programmes. Strong Army or Defence background , ideally with knowledge of command, control, and intelligence systems . Deep understanding of architecture frameworks, design standards and methodologies. Experience with secure software development lifecycles , OWASP , GDPR , and NCSC Cloud Security Principles . Demonstrated ability to design and More ❯

Stafford Head Office & Client Sites (Hybrid) Employment Type: Permanent, Full-time Salary: £90,000 – £110,000 (dependent on experience) Why Join DigX? At DigX, you won’t just design systems—you’ll architect the future of enterprise transformation. We’re trusted by FTSE100 enterprises and multi-country organisations to deliver complex Dynamics 365 and Azure solutions that drive genuine … the strategic force behind our Dynamics 365 implementations. You’ll define and govern architecture across complex, multi-country environments, ensuring seamless integration between D365, ISVs, and legacy systems whilst shaping Azure infrastructure, release pipelines, and technology strategy. You’ll tackle genuinely challenging problems—from multi-country D365 Finance & Operations rollouts to intricate manufacturing integrations—collaborating with business … ll Do Design and maintain enterprise-level architecture for Dynamics 365 Finance & Operations, ensuring alignment with business strategy and technical excellence Define integration patterns between D365, ISVs, and legacy applications using APIs, middleware, and Azure services Establish Azure tenant structures, subscription models, environments, and security frameworks that support scalable operations Design and implement CI/CD pipelines for More ❯

Developer Purpose of the Role To provide versatile software development expertise across a range of technologies, supporting both legacy systems and new applications as part of a major transformation programme Key Responsibilities Design & Development Work with legacy technologies during the transition to a modernised platform. Support the adoption of new low-code/no-code … Software Delivery Lifecycle (SDLC). Experience in software design, TDD/unit testing, and DevOps pipelines. Computing-related degree or equivalent practical experience. Experience with financial, banking, or accounting systems is desirable. More ❯

the business, true to the founding values of quality, simplicity and collaboration. We’re looking for a Lead Engineer to join a major transformation programme modernising and consolidating legacy systems. This role will suit someone with deep technical expertise and a hands-on leadership … style - someone who takes pride in engineering excellence, clear communication, and delivering measurable value. Key Requirements (Must Have): Deep Laravel/PHP expertise, including experience upgrading legacy systems (Laravel 4 → 10–12, PHP 5 → 8) Strong Cloud & DevOps experience - Ideally Azure Front-end competence with Vue or React Strong SQL knowledge and API integration experience Proven ability … to lead engineers and uphold quality standards Experience modernising and consolidating legacy platforms Excellent communication and stakeholder management skills Nice to Have: Familiarity with .NET Core/C# WordPress migration or plugin experience Exposure to Docker/Kubernetes Experience managing offshore or burst resources Understanding of micro-frontend or composable architecture Awareness of security and secrets management best More ❯

ownership of a specific platform domain with product leadership of our wider platform transformation. In your vertical, you’ll work closely with a squad to rebuild and evolve critical systems (for example, order generation), ensuring they’re robust, scalable, and deliver clear business and customer outcomes. At the same time, you’ll play a pivotal cross-cutting role in … ensuring transformation initiatives balance technical progress with visible customer and commercial value. This role would suit a PM who thrives on complexity, enjoys connecting the dots across teams and systems, and has the communication skills to simplify technical change for diverse stakeholders. It’s not about being the most technical person in the room – it’s about being a … systems thinker, a clear communicator, and a leader who can bring others on the journey. You will be responsible for: This role combines ownership of a core platform domain with leadership of our cross-cutting platform transformation. You'll guide a squad delivering resilient systems that power customer experiences while shaping and driving the transformation roadmap. Shape and More ❯

transformation projects, and helping shape the future of data infrastructure. The Role You'll be responsible for the day-to-day management of SQL Server and Azure-based data systems, supporting ETL processes, and driving improvements across data platforms. This is a great opportunity for someone who enjoys solving problems, improving systems, and working collaboratively across teams. Key … Responsibilities Maintain and manage SQL Server and Azure data environments Ensure data system security, patching, and performance tuning Support ETL services and data operations Analyse and remediate legacy data structures Contribute to transformation and change initiatives Identify opportunities to improve data processes and suggest solutions Produce high-quality technical documentation Investigate and resolve issues, including root cause analysis … stored procedure and function development Familiarity with Azure SQL, Azure Analytics, Dataverse or similar (or willingness to learn) Strong analytical skills and ability to reverse-engineer legacy systems Excellent documentation and stakeholder communication skills A proactive, collaborative mindset with a passion for continuous improvement Core Competencies Clear and respectful communicator Open-minded and adaptable to change Self More ❯

environment. What You’ll Be Doing: As a Senior Data Engineer, you’ll take a hands-on role in building and optimising data services across both modern and legacy platforms. Key responsibilities include: Developing, maintaining, and optimising data pipelines and ELT processes using Microsoft Fabric, Azure Data Factory, Synapse, Purview … and Power BI. Designing and implementing scalable and reliable data platform solutions aligned with the organisation’s data strategy. Supporting the migration of critical datasets from legacy systems to the new cloud platform, ensuring high data integrity and minimal disruption. Collaborating with internal stakeholders across IT, Digital, and Data Strategy teams to understand business requirements and translate More ❯

for an experienced and pragmatic Engineering Manager to build and lead a team of software engineers in delivering high-quality, scalable, and integrated solutions. This role combines technical leadership, systems thinking, and people management, with a strong focus on interoperability between built and bought systems, data protection, and sustainable delivery. Key Responsibilities: Lead, mentor, and support a cross … functional team of engineers, fostering a high-performance and inclusive engineering culture. Provide architectural oversight across the systems the team owns, ensuring scalable, secure, and maintainable solutions aligned with business objectives. Review and guide the non-functional requirements (e.g. performance, security, reliability, scalability) and integration capabilities of third-party systems, ensuring they meet enterprise and operational standards. Oversee … stack (.NET, C#, Azure) as well as experience with modern JavaScript/TypeScript frameworks (e.g. Node.js, React). Solid experience in evaluating, integrating, and managing third-party or SaaS systems within a broader IT estate. Strong understanding of non-functional requirements and architectural principles for distributed, cloud-native systems. Experience building and maintaining robust APIs, data pipelines, and secure More ❯

propose cost-effective, scalable solutions. Identify architectural risks and mitigate them through design and governance. Key Priorities: Align enterprise architecture with strategic business transformation goals. Modernise legacy systems and infrastructure in line with future-state vision. Improve integration and interoperability across platforms and business units. Enable digital transformation, cloud adoption, and data-driven decision-making. Promote reuse More ❯

ll do Work directly with aerodynamicists and engineers to uncover real requirements, challenge assumptions, and design solutions that improve workflows and decision-making. Define the architecture across key software systems, ensuring scalability, maintainability, and performance. Prototype ideas quickly, validate with users, and scale the best concepts into production-ready solutions. Modernise and unify legacy systems, reducing … platforms evolve alongside team ambitions. Collaborate across Aerodynamics and Vehicle Performance groups, influencing technology choices and promoting best practices. What you’ll need Extensive experience designing and building software systems in complex, engineering-driven environments. Strong C# programming skills, with experience in .NET Core and ASP.NET. Knowledge of data-centric applications (SQL Server) and structured workflows. Familiarity with frontend … delivery-focused mindset with an interest in clean architecture and software craftsmanship. (Bonus if you’ve worked with Kafka, Azure, or Docker/Kubernetes, or if you’ve built systems in R&D, motorsport, or real-time data environments). Click the ‘Apply’ button to find out more. Don’t worry if your CV isn’t up to date. More ❯

Consultant on a contract basis Seeking a skilled Sage Intacct Consultant to assist with the implementation, configuration, and data migration of the Sage platform as part of an ongoing systems transformation project. This role will bridge the gap between IT operations and business users, ensuring a smooth transition to the new environment. Role The Sage Intacct Consultant will support … and rollout of Sage across the business, working closely with internal stakeholders and external vendors. Assist in data migration activities - cleansing, mapping, validation, and import from legacy systems into Sage. Provide technical and user support, troubleshooting issues during implementation and post-go-live. Work with IT and Finance teams to ensure system integrations, user permissions, and reporting More ❯

design and deliver cloud-based contact centre solutions at enterprise scale. This role is instrumental in shaping digital transformation initiatives, ensuring regulatory compliance, and implementing secure, resilient, and scalable systems that support omnichannel customer engagement. The ideal candidate will have hands-on experience delivering AWS contact centre solutions, migrating from legacy platforms, and aligning architecture decisions with … recovery, and multi-region redundancy. Apply AWS Well-Architected Framework principles, embedding enterprise standards for security, cost efficiency, and operational sustainability. Implementation & Migration Lead full-scale migrations from legacy platforms (e.g., Avaya, Cisco, Genesys) to AWS Connect. Design and deploy IVR/contact flows, Amazon Lex conversational bots, analytics tools, and agent support solutions. Integration & Ecosystem Development Architect … Performance Goals Deliver a secure, compliant, and resilient AWS contact centre architecture. Maintain high standard platform availability while improving CSAT/NPS metrics. Complete migrations from legacy systems within agreed timeframes and governance standards. Travel & Location Based in Glasgow, Scotland, this hybrid role involves some travel for workshops, cutovers, and vendor engagement. More ❯

design and deliver cloud-based contact centre solutions at enterprise scale. This role is instrumental in shaping digital transformation initiatives, ensuring regulatory compliance, and implementing secure, resilient, and scalable systems that support omnichannel customer engagement. The ideal candidate will have hands-on experience delivering AWS contact centre solutions, migrating from legacy platforms, and aligning architecture decisions with … recovery, and multi-region redundancy. Apply AWS Well-Architected Framework principles, embedding enterprise standards for security, cost efficiency, and operational sustainability. Implementation & Migration Lead full-scale migrations from legacy platforms (e.g., Avaya, Cisco, Genesys) to AWS Connect. Design and deploy IVR/contact flows, Amazon Lex conversational bots, analytics tools, and agent support solutions. Integration & Ecosystem Development Architect … Performance Goals Deliver a secure, compliant, and resilient AWS contact centre architecture. Maintain high standard platform availability while improving CSAT/NPS metrics. Complete migrations from legacy systems within agreed timeframes and governance standards. Travel & Location Based in Glasgow, Scotland, this hybrid role involves some travel for workshops, cutovers, and vendor engagement. More ❯

design and deliver cloud-based contact centre solutions at enterprise scale. This role is instrumental in shaping digital transformation initiatives, ensuring regulatory compliance, and implementing secure, resilient, and scalable systems that support omnichannel customer engagement. The ideal candidate will have hands-on experience delivering AWS contact centre solutions, migrating from legacy platforms, and aligning architecture decisions with … recovery, and multi-region redundancy. Apply AWS Well-Architected Framework principles, embedding enterprise standards for security, cost efficiency, and operational sustainability. Implementation & Migration Lead full-scale migrations from legacy platforms (e.g., Avaya, Cisco, Genesys) to AWS Connect. Design and deploy IVR/contact flows, Amazon Lex conversational bots, analytics tools, and agent support solutions. Integration & Ecosystem Development Architect … Performance Goals Deliver a secure, compliant, and resilient AWS contact centre architecture. Maintain high standard platform availability while improving CSAT/NPS metrics. Complete migrations from legacy systems within agreed timeframes and governance standards. Travel & Location Based in Glasgow, Scotland, this hybrid role involves some travel for workshops, cutovers, and vendor engagement. More ❯

major defence manufacturing project based in Huddersfield.You’ll take the technical lead on end-to-end PLM and CAD data migrations into Siemens Teamcenter — working across legacy systems, data mapping, script configuration, validation, and post-go-live support.This is a hands-on, technically challenging role within a high-performing engineering environment. You’ll be part of a … programme delivering critical solutions for a key defence client. What You’ll Do: Lead full lifecycle Teamcenter migration projects from planning through execution and validation. Analyse and interpret legacy PLM, ERP, and CAD data to define scope and migration strategy. Collaborate with business and functional teams to capture and document data mappings and transformation rules . Configure and More ❯

Consultant to join our growing team. The successful candidate will be responsible for leading MuleSoft projects responsible for the design, development and integration solutions that connect Salesforce with enterprise systems, cloud applications and data services. Why Alscient We are experts in digital transformation and are proud to be a Summit level Salesforce Partner and Advanced tier AWS Partner with … error handling and monitoring. Architect robust integration solutions connecting Salesforce (Sales Cloud, Service Cloud, and specialist clouds such as Marketing Cloud, CPQ, Experience Cloud,) to ERP, legacy systems, data warehouses, external partners and microservices. Lead a technical delivery team (MuleSoft developers, integration engineers), providing coaching, code reviews, and ensuring quality throughout. Drive proof of concepts, spike work More ❯

and maintaining data lakes, data warehouses, and ETL/ELT processes. Designing scalable data solutions and models for reporting in Power BI. Supporting data migration from legacy systems into the new platform. Ensuring data models are optimised for performance and reusability. To be successful in this role, you will have: Hands-on experience creating data pipelines using More ❯

and maintaining data lakes, data warehouses, and ETL/ELT processes. Designing scalable data solutions and models for reporting in Power BI. Supporting data migration from legacy systems into the new platform. Ensuring data models are optimised for performance and reusability. To be successful in this role, you will have: Hands-on experience creating data pipelines using More ❯

and maintaining data lakes, data warehouses, and ETL/ELT processes. Designing scalable data solutions and models for reporting in Power BI. Supporting data migration from legacy systems into the new platform. Ensuring data models are optimised for performance and reusability. To be successful in this role, you will have: Hands-on experience creating data pipelines using More ❯

tools and Excel-based EUDAs (End User Developed Applications). Assist in the implementation of Oracle EPBCS/Oracle EPM Planning. Drive data migration, mapping, and reconciliation between Legacy and target systems. Facilitate UAT (User Acceptance Testing), defect resolution, and requirements traceability. Collaborate with Finance teams to enhance planning, forecasting, and variance analysis processes. Track and manage risks More ❯

testing support. Assist users in understanding application functionality and workflows. Review and approve solution designs, configuration workbooks, and test plans. Support data integration and migration from legacy systems to Oracle Cloud. Troubleshoot issues and liaise with Oracle Support as needed. Develop custom reports and dashboards using tools like BIP and OTBI. Essential Skills & Experience Proven experience in More ❯

transforming how the business uses analytics. REED Technology are working with an organisation that is rolling out Pyramid Analytics as its central BI platform—replacing several legacy systems—and needs someone who can turn data into compelling stories, not just dashboards. If you thrive in stakeholder-facing roles, can communicate insights clearly, and enjoy working with modern More ❯

and mobile platforms. Leading technical solutions that balance performance, scalability, and security. Partnering with in-house and nearshore development teams to shape design and delivery. Transforming legacy systems into next-generation cloud-native solutions. Producing detailed design documentation — from high to low level. Collaborating with enterprise architects to align projects with long-term strategy. Ensuring infrastructure and More ❯