1 to 25 of 211 Permanent 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 ❯

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 ❯

you'll take technical ownership of a critical business domain — Pensions, Protection, or Closed Book. You’ll guide the transition from legacy systems to a modern, cloud-native, microservices architecture, with a specific focus on solutions that serve the Pensions business unit. This role blends hands-on … secure, user-focused platforms. Key Responsibilities Own the solutions architecture for your domain (applications, cloud infrastructure, integration, and security) Guide the modernisation of legacy platforms into a decoupled, event-driven microservices estate Define and implement architecture patterns, development standards, and observability practices Act as the go-to technical … looking for experienced Senior Architects with: Proven experience in solutions architecture with the Insurance Industry A strong track record of modernising legacy systems into scalable, microservices-based platforms Deep knowledge of design patterns, cloud-native practices, and architectural governance Excellent communication skills with both technical and non More ❯

you'll take technical ownership of a critical business domain — Pensions, Protection, or Closed Book. You’ll guide the transition from legacy systems to a modern, cloud-native, microservices architecture, with a specific focus on solutions that serve the Pensions business unit. This role blends hands-on … secure, user-focused platforms. Key Responsibilities Own the solutions architecture for your domain (applications, cloud infrastructure, integration, and security) Guide the modernisation of legacy platforms into a decoupled, event-driven microservices estate Define and implement architecture patterns, development standards, and observability practices Act as the go-to technical … looking for experienced Senior Architects with: Proven experience in solutions architecture with the Insurance Industry A strong track record of modernising legacy systems into scalable, microservices-based platforms Deep knowledge of design patterns, cloud-native practices, and architectural governance Excellent communication skills with both technical and non More ❯

you'll take technical ownership of a critical business domain — Pensions, Protection, or Closed Book. You’ll guide the transition from legacy systems to a modern, cloud-native, microservices architecture, with a specific focus on solutions that serve the Pensions business unit. This role blends hands-on … secure, user-focused platforms. Key Responsibilities Own the solutions architecture for your domain (applications, cloud infrastructure, integration, and security) Guide the modernisation of legacy platforms into a decoupled, event-driven microservices estate Define and implement architecture patterns, development standards, and observability practices Act as the go-to technical … looking for experienced Senior Architects with: Proven experience in solutions architecture with the Insurance Industry A strong track record of modernising legacy systems into scalable, microservices-based platforms Deep knowledge of design patterns, cloud-native practices, and architectural governance Excellent communication skills with both technical and non More ❯

you'll take technical ownership of a critical business domain — Pensions, Protection, or Closed Book. You’ll guide the transition from legacy systems to a modern, cloud-native, microservices architecture, with a specific focus on solutions that serve the Pensions business unit. This role blends hands-on … secure, user-focused platforms. Key Responsibilities Own the solutions architecture for your domain (applications, cloud infrastructure, integration, and security) Guide the modernisation of legacy platforms into a decoupled, event-driven microservices estate Define and implement architecture patterns, development standards, and observability practices Act as the go-to technical … looking for experienced Senior Architects with: Proven experience in solutions architecture with the Insurance Industry A strong track record of modernising legacy systems into scalable, microservices-based platforms Deep knowledge of design patterns, cloud-native practices, and architectural governance Excellent communication skills with both technical and non More ❯

you'll take technical ownership of a critical business domain — Pensions, Protection, or Closed Book. You’ll guide the transition from legacy systems to a modern, cloud-native, microservices architecture, with a specific focus on solutions that serve the Pensions business unit. This role blends hands-on … secure, user-focused platforms. Key Responsibilities Own the solutions architecture for your domain (applications, cloud infrastructure, integration, and security) Guide the modernisation of legacy platforms into a decoupled, event-driven microservices estate Define and implement architecture patterns, development standards, and observability practices Act as the go-to technical … looking for experienced Senior Architects with: Proven experience in solutions architecture with the Insurance Industry A strong track record of modernising legacy systems into scalable, microservices-based platforms Deep knowledge of design patterns, cloud-native practices, and architectural governance Excellent communication skills with both technical and non More ❯

you'll take technical ownership of a critical business domain — Pensions, Protection, or Closed Book. You’ll guide the transition from legacy systems to a modern, cloud-native, microservices architecture, with a specific focus on solutions that serve the Pensions business unit. This role blends hands-on … secure, user-focused platforms. Key Responsibilities Own the solutions architecture for your domain (applications, cloud infrastructure, integration, and security) Guide the modernisation of legacy platforms into a decoupled, event-driven microservices estate Define and implement architecture patterns, development standards, and observability practices Act as the go-to technical … looking for experienced Senior Architects with: Proven experience in solutions architecture with the Insurance Industry A strong track record of modernising legacy systems into scalable, microservices-based platforms Deep knowledge of design patterns, cloud-native practices, and architectural governance Excellent communication skills with both technical and non More ❯

monitoring of all master data migration activities Work in close collaboration with the SI partner to deliver a seamless transition from legacy systems to the new Oracle Fusion platform Develop and implement robust data integration strategies to support efficient and secure interoperability with other internal and external … systems Drive data validation, reconciliation and quality control across all core master data domains (e.g. suppliers, customers, chart of accounts) Functional & Technical Support on Oracle Fusion Financials: Provide functional input across key Oracle modules (P2P, R2R, O2C) Support cutover, RBAC security, data reconciliation, and business testing Produce validation and … large-scale ERP programmes In-depth knowledge of Oracle Fusion Financials Cloud Extensive experience of data migration and integration from legacy finance systems Hands-on expertise with Oracle Strong stakeholder engagement and project communication skills Experience working alongside SI partners and managing cross-functional delivery Public sector More ❯

monitoring of all master data migration activities Work in close collaboration with the SI partner to deliver a seamless transition from legacy systems to the new Oracle Fusion platform Develop and implement robust data integration strategies to support efficient and secure interoperability with other internal and external … systems Drive data validation, reconciliation and quality control across all core master data domains (e.g. suppliers, customers, chart of accounts) Functional & Technical Support on Oracle Fusion Financials: Provide functional input across key Oracle modules (P2P, R2R, O2C) Support cutover, RBAC security, data reconciliation, and business testing Produce validation and … large-scale ERP programmes In-depth knowledge of Oracle Fusion Financials Cloud Extensive experience of data migration and integration from legacy finance systems Hands-on expertise with Oracle Strong stakeholder engagement and project communication skills Experience working alongside SI partners and managing cross-functional delivery Public sector More ❯

monitoring of all master data migration activities Work in close collaboration with the SI partner to deliver a seamless transition from legacy systems to the new Oracle Fusion platform Develop and implement robust data integration strategies to support efficient and secure interoperability with other internal and external … systems Drive data validation, reconciliation and quality control across all core master data domains (e.g. suppliers, customers, chart of accounts) Functional & Technical Support on Oracle Fusion Financials: Provide functional input across key Oracle modules (P2P, R2R, O2C) Support cutover, RBAC security, data reconciliation, and business testing Produce validation and … large-scale ERP programmes In-depth knowledge of Oracle Fusion Financials Cloud Extensive experience of data migration and integration from legacy finance systems Hands-on expertise with Oracle Strong stakeholder engagement and project communication skills Experience working alongside SI partners and managing cross-functional delivery Public sector More ❯

monitoring of all master data migration activities Work in close collaboration with the SI partner to deliver a seamless transition from legacy systems to the new Oracle Fusion platform Develop and implement robust data integration strategies to support efficient and secure interoperability with other internal and external … systems Drive data validation, reconciliation and quality control across all core master data domains (e.g. suppliers, customers, chart of accounts) Functional & Technical Support on Oracle Fusion Financials: Provide functional input across key Oracle modules (P2P, R2R, O2C) Support cutover, RBAC security, data reconciliation, and business testing Produce validation and … large-scale ERP programmes In-depth knowledge of Oracle Fusion Financials Cloud Extensive experience of data migration and integration from legacy finance systems Hands-on expertise with Oracle Strong stakeholder engagement and project communication skills Experience working alongside SI partners and managing cross-functional delivery Public sector More ❯

monitoring of all master data migration activities Work in close collaboration with the SI partner to deliver a seamless transition from legacy systems to the new Oracle Fusion platform Develop and implement robust data integration strategies to support efficient and secure interoperability with other internal and external … systems Drive data validation, reconciliation and quality control across all core master data domains (e.g. suppliers, customers, chart of accounts) Functional & Technical Support on Oracle Fusion Financials: Provide functional input across key Oracle modules (P2P, R2R, O2C) Support cutover, RBAC security, data reconciliation, and business testing Produce validation and … large-scale ERP programmes In-depth knowledge of Oracle Fusion Financials Cloud Extensive experience of data migration and integration from legacy finance systems Hands-on expertise with Oracle Strong stakeholder engagement and project communication skills Experience working alongside SI partners and managing cross-functional delivery Public sector More ❯

monitoring of all master data migration activities Work in close collaboration with the SI partner to deliver a seamless transition from legacy systems to the new Oracle Fusion platform Develop and implement robust data integration strategies to support efficient and secure interoperability with other internal and external … systems Drive data validation, reconciliation and quality control across all core master data domains (e.g. suppliers, customers, chart of accounts) Functional & Technical Support on Oracle Fusion Financials: Provide functional input across key Oracle modules (P2P, R2R, O2C) Support cutover, RBAC security, data reconciliation, and business testing Produce validation and … large-scale ERP programmes In-depth knowledge of Oracle Fusion Financials Cloud Extensive experience of data migration and integration from legacy finance systems Hands-on expertise with Oracle Strong stakeholder engagement and project communication skills Experience working alongside SI partners and managing cross-functional delivery Public sector 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 ❯

to improve new and existing database systems. Assess data implementation procedures to ensure they comply with internal and external regulations. Install and organize information systems to guarantee functionality. Prepare accurate database design and architecture reports for management and executive teams. Oversee the migration of data from legacy systems to new solutions. Educate staff members through training and individual support. Offer support by responding to system problems in a timely manner. Requirements: Strong knowledge of database structure systems and data mining. Knowledge of systems development, including system development life cycle, project management approaches More ❯

to improve new and existing database systems. Assess data implementation procedures to ensure they comply with internal and external regulations. Install and organize information systems to guarantee functionality. Prepare accurate database design and architecture reports for management and executive teams. Oversee the migration of data from legacy systems to new solutions. Educate staff members through training and individual support. Offer support by responding to system problems in a timely manner. Requirements: Strong knowledge of database structure systems and data mining. Knowledge of systems development, including system development life cycle, project management approaches More ❯