1 to 25 of 114 Legacy Systems Jobs in the East Midlands

role, you will lead the technical assurance and delivery of cybersecurity activities across a programme of work involving legacy and modern OT systems, rail-specific technologies, and industrial control components. You will work closely with engineering and operational teams to embed cybersecurity across the lifecycle, ensuring alignment … engagement, focusing on protecting operational technology (OT) and safety-critical systems. Provide hands-on technical leadership to guide the secure delivery of client-specific systems and solutions, ensuring alignment with project requirements, sector standards, and regulatory obligations. Collaborate with client engineering and programme teams to integrate cybersecurity into system … design, deployment, and ongoing operations. Define cybersecurity requirements within the client's environment, including rail-specific systems, legacy OT, and modern industrial platforms. Support developing and delivering security risk assessments, threat models, and control frameworks following the relevant standards. Contribute to the production and review of assurance More ❯

role, you will lead the technical assurance and delivery of cybersecurity activities across a programme of work involving legacy and modern OT systems, rail-specific technologies, and industrial control components. You will work closely with engineering and operational teams to embed cybersecurity across the lifecycle, ensuring alignment … engagement, focusing on protecting operational technology (OT) and safety-critical systems. Provide hands-on technical leadership to guide the secure delivery of client-specific systems and solutions, ensuring alignment with project requirements, sector standards, and regulatory obligations. Collaborate with client engineering and programme teams to integrate cybersecurity into system … design, deployment, and ongoing operations. Define cybersecurity requirements within the client's environment, including rail-specific systems, legacy OT, and modern industrial platforms. Support developing and delivering security risk assessments, threat models, and control frameworks following the relevant standards. Contribute to the production and review of assurance More ❯

role, you will lead the technical assurance and delivery of cybersecurity activities across a programme of work involving legacy and modern OT systems, rail-specific technologies, and industrial control components. You will work closely with engineering and operational teams to embed cybersecurity across the lifecycle, ensuring alignment … engagement, focusing on protecting operational technology (OT) and safety-critical systems. Provide hands-on technical leadership to guide the secure delivery of client-specific systems and solutions, ensuring alignment with project requirements, sector standards, and regulatory obligations. Collaborate with client engineering and programme teams to integrate cybersecurity into system … design, deployment, and ongoing operations. Define cybersecurity requirements within the client's environment, including rail-specific systems, legacy OT, and modern industrial platforms. Support developing and delivering security risk assessments, threat models, and control frameworks following the relevant standards. Contribute to the production and review of assurance More ❯

Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB®, UltraAuthorTM, UltraXMLTM , and UltraPortalTM —are used globally and combine proven legacy systems … Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving … quality. What We Offer Salary : £70,000 – £85,000 depending on experience Technical Growth – Work across a diverse technology landscape, from legacy systems to cutting-edge cloud-native tools. Autonomy – Freedom to shape technical decisions and make a significant impact on product direction and architecture. Career Advancement More ❯

Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB®, UltraAuthorTM, UltraXMLTM , and UltraPortalTM —are used globally and combine proven legacy systems … Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving … quality. What We Offer Salary : £70,000 – £85,000 depending on experience Technical Growth – Work across a diverse technology landscape, from legacy systems to cutting-edge cloud-native tools. Autonomy – Freedom to shape technical decisions and make a significant impact on product direction and architecture. Career Advancement More ❯

Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB®, UltraAuthorTM, UltraXMLTM , and UltraPortalTM —are used globally and combine proven legacy systems … Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving … quality. What We Offer Salary : £70,000 – £85,000 depending on experience Technical Growth – Work across a diverse technology landscape, from legacy systems to cutting-edge cloud-native tools. Autonomy – Freedom to shape technical decisions and make a significant impact on product direction and architecture. Career Advancement More ❯

Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB®, UltraAuthorTM, UltraXMLTM , and UltraPortalTM —are used globally and combine proven legacy systems … Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving … quality. What We Offer Salary : £70,000 – £85,000 depending on experience Technical Growth – Work across a diverse technology landscape, from legacy systems to cutting-edge cloud-native tools. Autonomy – Freedom to shape technical decisions and make a significant impact on product direction and architecture. Career Advancement More ❯

Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB®, UltraAuthorTM, UltraXMLTM , and UltraPortalTM —are used globally and combine proven legacy systems … Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving … quality. What We Offer Salary : £70,000 – £85,000 depending on experience Technical Growth – Work across a diverse technology landscape, from legacy systems to cutting-edge cloud-native tools. Autonomy – Freedom to shape technical decisions and make a significant impact on product direction and architecture. Career Advancement More ❯

Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB®, UltraAuthorTM, UltraXMLTM , and UltraPortalTM —are used globally and combine proven legacy systems … Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving … quality. What We Offer Salary : £70,000 – £85,000 depending on experience Technical Growth – Work across a diverse technology landscape, from legacy systems to cutting-edge cloud-native tools. Autonomy – Freedom to shape technical decisions and make a significant impact on product direction and architecture. Career Advancement More ❯

ABOUT THIS ROLE We’re working with an organisation currently going through a significant period of change, moving from legacy on-premise systems (SAP-based) to a modern, cloud-based Microsoft Azure environment. As part of this transformation, they’re looking for a Senior Data Engineer to … Data Engineer, you will lead the data workstream and guide other teams through the transformation. This includes mapping the data currently held in various systems, speaking with data owners to understand how it is used, and helping define data workflows. You’ll play a key role in visualising how … large-scale ERP migration. Building a federated, enterprise-wide data model—ensuring accessibility, consistency, and usability. Supporting seamless data migration from legacy systems, ensuring integrity and availability. Collaborating with domain experts and stakeholders to improve data quality and governance. Leveraging tools like Microsoft Azure, Power Platform, Power More ❯

ABOUT THIS ROLE We’re working with an organisation currently going through a significant period of change, moving from legacy on-premise systems (SAP-based) to a modern, cloud-based Microsoft Azure environment. As part of this transformation, they’re looking for a Senior Data Engineer to … Data Engineer, you will lead the data workstream and guide other teams through the transformation. This includes mapping the data currently held in various systems, speaking with data owners to understand how it is used, and helping define data workflows. You’ll play a key role in visualising how … large-scale ERP migration. Building a federated, enterprise-wide data model—ensuring accessibility, consistency, and usability. Supporting seamless data migration from legacy systems, ensuring integrity and availability. Collaborating with domain experts and stakeholders to improve data quality and governance. Leveraging tools like Microsoft Azure, Power Platform, Power More ❯

ABOUT THIS ROLE We’re working with an organisation currently going through a significant period of change, moving from legacy on-premise systems (SAP-based) to a modern, cloud-based Microsoft Azure environment. As part of this transformation, they’re looking for a Senior Data Engineer to … Data Engineer, you will lead the data workstream and guide other teams through the transformation. This includes mapping the data currently held in various systems, speaking with data owners to understand how it is used, and helping define data workflows. You’ll play a key role in visualising how … large-scale ERP migration. Building a federated, enterprise-wide data model—ensuring accessibility, consistency, and usability. Supporting seamless data migration from legacy systems, ensuring integrity and availability. Collaborating with domain experts and stakeholders to improve data quality and governance. Leveraging tools like Microsoft Azure, Power Platform, Power More ❯

Job title: Finance Systems Accountant/Manager - Hybrid - Coventry - New! Salary: £60,000 - £80,000 + Package Contract type: Permanent About the role The Finance Systems Accountant/Manager plays a critical role in managing the financial systems that support the business’ financial reporting, such that the … key stakeholders, primarily to Operational leaders but also to other Functional leads as required. This is a pivotal role in developing the bespoke financial systems, reporting tools, and underlying codebase. Rather than trying to replace them like-for-like, we’re using this moment to evolve. Responsibilities Ownership of … Financial Reporting Systems and related Financial Reports, which means: Working closely with the FP&A function to design and implement insightful reporting and support the continuous evolution of reporting to meet business needs. Designing, implementing new data needs, and release into the Financial Reporting ecosystem Review existing data and More ❯

stack alongside cloud-native tooling (primarily AWS). You’ll mentor junior developers, support full lifecycle delivery, and bring ideas to life—balancing legacy modernisation with brand-new product development. Responsibilities: Designing, developing, and deploying secure, cloud-first applications in high-trust environments Working with C#, .NET Core … member of the team, mentoring and coaching more junior Developers Competent to write and executing on planning activities Desirable: Experience modernising legacy systems Exposure to AI-assisted development or DevOps tooling Familiarity with TDD or automated testing frameworks Knowledge of Azure, OAuth/OIDC, or Python Why More ❯

per annum About the role We’re working with a client currently undertaking a large-scale IT transformation, moving from on-premises ERP systems (SAP-based) to a modern Azure cloud ERP environment. To support this journey, they are looking for a Project Manager to lead and manage the … You Do? Interview Data owners to understand and specify what data is important in existing systems. Map and define existing data across a multiple systems and applications. Support the data migration process from legacy systems to Azure-based ERP, ensuring accuracy, integrity, and compliance throughout. Identify … Visio, PowerPoint, and Excel to provide clarity and structure. What You Need to Be Successful? Proven experience managing data migration projects, ideally involving ERP systems and Azure environments. Strong understanding of data mapping, and the challenges involved in system transitions. Experience working with stakeholders across the business, especially data More ❯

per annum About the role We’re working with a client currently undertaking a large-scale IT transformation, moving from on-premises ERP systems (SAP-based) to a modern Azure cloud ERP environment. To support this journey, they are looking for a Project Manager to lead and manage the … You Do? Interview Data owners to understand and specify what data is important in existing systems. Map and define existing data across a multiple systems and applications. Support the data migration process from legacy systems to Azure-based ERP, ensuring accuracy, integrity, and compliance throughout. Identify … Visio, PowerPoint, and Excel to provide clarity and structure. What You Need to Be Successful? Proven experience managing data migration projects, ideally involving ERP systems and Azure environments. Strong understanding of data mapping, and the challenges involved in system transitions. Experience working with stakeholders across the business, especially data More ❯

per annum About the role We’re working with a client currently undertaking a large-scale IT transformation, moving from on-premises ERP systems (SAP-based) to a modern Azure cloud ERP environment. To support this journey, they are looking for a Project Manager to lead and manage the … You Do? Interview Data owners to understand and specify what data is important in existing systems. Map and define existing data across a multiple systems and applications. Support the data migration process from legacy systems to Azure-based ERP, ensuring accuracy, integrity, and compliance throughout. Identify … Visio, PowerPoint, and Excel to provide clarity and structure. What You Need to Be Successful? Proven experience managing data migration projects, ideally involving ERP systems and Azure environments. Strong understanding of data mapping, and the challenges involved in system transitions. Experience working with stakeholders across the business, especially data More ❯

Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to translate needs into More ❯

Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to translate needs into More ❯

Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to translate needs into More ❯

Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to translate needs into More ❯

Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to translate needs into More ❯

Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to translate needs into More ❯

will join a cross-functional team delivering end-to-end, full stack solutions from design through to deployment helping to modernise legacy systems and build scalable, cloud-native applications in Azure. You'll be working on a range of client and internal projects using a well-rounded … They’re Looking For: Strong experience building applications using C# and .NET frameworks Hands-on with SQL, MVC, and WCF Familiarity with modernising legacy apps into cloud-native Azure environments Confident with DevOps practices, CI/CD pipelines, and agile delivery Solid understanding of software engineering best practices More ❯

will join a cross-functional team delivering end-to-end, full stack solutions from design through to deployment helping to modernise legacy systems and build scalable, cloud-native applications in Azure. You'll be working on a range of client and internal projects using a well-rounded … They’re Looking For: Strong experience building applications using C# and .NET frameworks Hands-on with SQL, MVC, and WCF Familiarity with modernising legacy apps into cloud-native Azure environments Confident with DevOps practices, CI/CD pipelines, and agile delivery Solid understanding of software engineering best practices More ❯