1 to 25 of 242 Legacy Systems Jobs in the South East

Be) that supports business and IT strategy. Create and maintain roadmaps for legacy transformation and decommissioning, including detailed plans and timelines for phasing out legacy systems while ensuring continuity of operations and minimising risks. Ensure solutions comply with legislation and cybersecurity standards. Establish and maintain architectural principles and standards, formalising and regularly updating guidelines and … by defining, tracking, and reporting on KPIs that measure the effectiveness, agility, and value of the enterprise architecture. Improve user experience with modern technology and streamlined legacy systems, increasing efficiency. Promote system interoperability across council boundaries to reduce administrative burdens and boost public engagement. Foster a one-team culture across technology and council. Engage in budgeting and More ❯

Be) that supports business and IT strategy. Create and maintain roadmaps for legacy transformation and decommissioning, including detailed plans and timelines for phasing out legacy systems while ensuring continuity of operations and minimising risks. Ensure solutions comply with legislation and cybersecurity standards. Establish and maintain architectural principles and standards, formalising and regularly updating guidelines and … by defining, tracking, and reporting on KPIs that measure the effectiveness, agility, and value of the enterprise architecture. Improve user experience with modern technology and streamlined legacy systems, increasing efficiency. Promote system interoperability across council boundaries to reduce administrative burdens and boost public engagement. Foster a one-team culture across technology and council. Engage in budgeting and More ❯

Principal AI/ML Consultant to lead strategic technical transformation within a financial services environment. This is a hands-on, client-facing role focused on modernising legacy systems, driving AI adoption, and delivering measurable business value. Key Responsibilities Lead the systematic modernisation of legacy services, prioritising based on business impact. Eliminate technical debt by extracting … APIs, decommissioning obsolete services, and consolidating functionality. Collaborate with engineering teams to identify and deliver high-impact modernisation opportunities. Support platform services strategy by transforming legacy services into reusable, shared components. Drive adoption of AI tooling (e.g., Claude Code, GitHub Copilot) to accelerate development and modernisation. Create playbooks and replicable patterns for AI-enabled development and modernisation. Use … AI adoption. Ensure modernised services are handed off with clear ownership and integrated into new workflows. Skills & Experience Proven experience leading technical teams and modernising complex legacy systems at scale. Strong architectural skills and ability to design logical abstractions for legacy code. Experience managing mixed teams of employees and contractors. Hands-on experience implementing AI More ❯

Principal AI/ML Consultant to lead strategic technical transformation within a financial services environment. This is a hands-on, client-facing role focused on modernising legacy systems, driving AI adoption, and delivering measurable business value. Key Responsibilities Lead the systematic modernisation of legacy services, prioritising based on business impact. Eliminate technical debt by extracting … APIs, decommissioning obsolete services, and consolidating functionality. Collaborate with engineering teams to identify and deliver high-impact modernisation opportunities. Support platform services strategy by transforming legacy services into reusable, shared components. Drive adoption of AI tooling (e.g., Claude Code, GitHub Copilot) to accelerate development and modernisation. Create playbooks and replicable patterns for AI-enabled development and modernisation. Use … AI adoption. Ensure modernised services are handed off with clear ownership and integrated into new workflows. Skills & Experience Proven experience leading technical teams and modernising complex legacy systems at scale. Strong architectural skills and ability to design logical abstractions for legacy code. Experience managing mixed teams of employees and contractors. Hands-on experience implementing AI More ❯

Principal AI/ML Consultant to lead strategic technical transformation within a financial services environment. This is a hands-on, client-facing role focused on modernising legacy systems, driving AI adoption, and delivering measurable business value. Key Responsibilities Lead the systematic modernisation of legacy services, prioritising based on business impact. Eliminate technical debt by extracting … APIs, decommissioning obsolete services, and consolidating functionality. Collaborate with engineering teams to identify and deliver high-impact modernisation opportunities. Support platform services strategy by transforming legacy services into reusable, shared components. Drive adoption of AI tooling (e.g., Claude Code, GitHub Copilot) to accelerate development and modernisation. Create playbooks and replicable patterns for AI-enabled development and modernisation. Use … AI adoption. Ensure modernised services are handed off with clear ownership and integrated into new workflows. Skills & Experience Proven experience leading technical teams and modernising complex legacy systems at scale. Strong architectural skills and ability to design logical abstractions for legacy code. Experience managing mixed teams of employees and contractors. Hands-on experience implementing AI More ❯

a strategic initiative transforming treaty reinsurance operations. This role will oversee data migration strategy, planning, execution, and stakeholder engagement for the migration of complex data from legacy systems to the new platform. In this role you will define and lead a comprehensive data migration strategy tailored to reinsurance, ensuring alignment with business goals, IT architecture, and compliance … analysts, reinsurance teams and product specialists to capture and document data requirements. Develop and maintain migration documentation, including data mapping, migration plans, and validation scripts. Review legacy systems and define mapping logic to the target platform, ensuring accurate data migration within the defined scope. Create detailed documentation of migration rules, data lineage, and system changes. Ensure Regulatory … improvement of migration best practices and tools. Validate and Reconcile Data Design and execute validation protocols to confirm completeness and accuracy of migrated data. Reconcile migrated data against source systems and financial ledgers. Support System Testing and UAT Support user acceptance testing (UAT) and post-migration validation to ensure data accuracy and completeness. Deliver training and support to business More ❯

a strategic initiative transforming treaty reinsurance operations. This role will oversee data migration strategy, planning, execution, and stakeholder engagement for the migration of complex data from legacy systems to the new platform. In this role you will define and lead a comprehensive data migration strategy tailored to reinsurance, ensuring alignment with business goals, IT architecture, and compliance … analysts, reinsurance teams and product specialists to capture and document data requirements. Develop and maintain migration documentation, including data mapping, migration plans, and validation scripts. Review legacy systems and define mapping logic to the target platform, ensuring accurate data migration within the defined scope. Create detailed documentation of migration rules, data lineage, and system changes. Ensure Regulatory … improvement of migration best practices and tools. Validate and Reconcile Data Design and execute validation protocols to confirm completeness and accuracy of migrated data. Reconcile migrated data against source systems and financial ledgers. Support System Testing and UAT Support user acceptance testing (UAT) and post-migration validation to ensure data accuracy and completeness. Deliver training and support to business More ❯

a strategic initiative transforming treaty reinsurance operations. This role will oversee data migration strategy, planning, execution, and stakeholder engagement for the migration of complex data from legacy systems to the new platform. In this role you will define and lead a comprehensive data migration strategy tailored to reinsurance, ensuring alignment with business goals, IT architecture, and compliance … analysts, reinsurance teams and product specialists to capture and document data requirements. Develop and maintain migration documentation, including data mapping, migration plans, and validation scripts. Review legacy systems and define mapping logic to the target platform, ensuring accurate data migration within the defined scope. Create detailed documentation of migration rules, data lineage, and system changes. Ensure Regulatory … improvement of migration best practices and tools. Validate and Reconcile Data Design and execute validation protocols to confirm completeness and accuracy of migrated data. Reconcile migrated data against source systems and financial ledgers. Support System Testing and UAT Support user acceptance testing (UAT) and post-migration validation to ensure data accuracy and completeness. Deliver training and support to business More ❯

a strategic initiative transforming treaty reinsurance operations. This role will oversee data migration strategy, planning, execution, and stakeholder engagement for the migration of complex data from legacy systems to the new platform. In this role you will define and lead a comprehensive data migration strategy tailored to reinsurance, ensuring alignment with business goals, IT architecture, and compliance … analysts, reinsurance teams and product specialists to capture and document data requirements. Develop and maintain migration documentation, including data mapping, migration plans, and validation scripts. Review legacy systems and define mapping logic to the target platform, ensuring accurate data migration within the defined scope. Create detailed documentation of migration rules, data lineage, and system changes. Ensure Regulatory … improvement of migration best practices and tools. Validate and Reconcile Data Design and execute validation protocols to confirm completeness and accuracy of migrated data. Reconcile migrated data against source systems and financial ledgers. Support System Testing and UAT Support user acceptance testing (UAT) and post-migration validation to ensure data accuracy and completeness. Deliver training and support to business More ❯

a strategic initiative transforming treaty reinsurance operations. This role will oversee data migration strategy, planning, execution, and stakeholder engagement for the migration of complex data from legacy systems to the new platform. In this role you will define and lead a comprehensive data migration strategy tailored to reinsurance, ensuring alignment with business goals, IT architecture, and compliance … analysts, reinsurance teams and product specialists to capture and document data requirements. Develop and maintain migration documentation, including data mapping, migration plans, and validation scripts. Review legacy systems and define mapping logic to the target platform, ensuring accurate data migration within the defined scope. Create detailed documentation of migration rules, data lineage, and system changes. Ensure Regulatory … improvement of migration best practices and tools. Validate and Reconcile Data Design and execute validation protocols to confirm completeness and accuracy of migrated data. Reconcile migrated data against source systems and financial ledgers. Support System Testing and UAT Support user acceptance testing (UAT) and post-migration validation to ensure data accuracy and completeness. Deliver training and support to business More ❯

a strategic initiative transforming treaty reinsurance operations. This role will oversee data migration strategy, planning, execution, and stakeholder engagement for the migration of complex data from legacy systems to the new platform. In this role you will define and lead a comprehensive data migration strategy tailored to reinsurance, ensuring alignment with business goals, IT architecture, and compliance … analysts, reinsurance teams and product specialists to capture and document data requirements. Develop and maintain migration documentation, including data mapping, migration plans, and validation scripts. Review legacy systems and define mapping logic to the target platform, ensuring accurate data migration within the defined scope. Create detailed documentation of migration rules, data lineage, and system changes. Ensure Regulatory … improvement of migration best practices and tools. Validate and Reconcile Data Design and execute validation protocols to confirm completeness and accuracy of migrated data. Reconcile migrated data against source systems and financial ledgers. Support System Testing and UAT Support user acceptance testing (UAT) and post-migration validation to ensure data accuracy and completeness. Deliver training and support to business More ❯

a strategic initiative transforming treaty reinsurance operations. This role will oversee data migration strategy, planning, execution, and stakeholder engagement for the migration of complex data from legacy systems to the new platform. In this role you will define and lead a comprehensive data migration strategy tailored to reinsurance, ensuring alignment with business goals, IT architecture, and compliance … analysts, reinsurance teams and product specialists to capture and document data requirements. Develop and maintain migration documentation, including data mapping, migration plans, and validation scripts. Review legacy systems and define mapping logic to the target platform, ensuring accurate data migration within the defined scope. Create detailed documentation of migration rules, data lineage, and system changes. Ensure Regulatory … improvement of migration best practices and tools. Validate and Reconcile Data Design and execute validation protocols to confirm completeness and accuracy of migrated data. Reconcile migrated data against source systems and financial ledgers. Support System Testing and UAT Support user acceptance testing (UAT) and post-migration validation to ensure data accuracy and completeness. Deliver training and support to business More ❯

Our global client is looking for a D365 F&O specialist with extensive expeirence migrating from legacy to D365 F&O. This is a hybrid role outside … IR35 initially for 12 months with a good chance to extend. Data Migration Lead tasked with overseeing the planning, execution, and management of data transfers from legacy systems to Microsoft Dynamics 365. Responsibilities include ensuring data accuracy, consistency, and compliance with business needs throughout the entire migration lifecycle." Strong understanding of data migration principles and best practices. … techniques. Experience in delivering D365F&O and integration using Azure services. Successfully migrated Dynamics 365 F&O multiple times, with proven experience leading data migration from legacy systems to D365. More ❯

Our global client is looking for a D365 F&O specialist with extensive expeirence migrating from legacy to D365 F&O. This is a hybrid role outside … IR35 initially for 12 months with a good chance to extend. Data Migration Lead tasked with overseeing the planning, execution, and management of data transfers from legacy systems to Microsoft Dynamics 365. Responsibilities include ensuring data accuracy, consistency, and compliance with business needs throughout the entire migration lifecycle." Strong understanding of data migration principles and best practices. … techniques. Experience in delivering D365F&O and integration using Azure services. Successfully migrated Dynamics 365 F&O multiple times, with proven experience leading data migration from legacy systems to D365. More ❯

Our global client is looking for a D365 F&O specialist with extensive expeirence migrating from legacy to D365 F&O. This is a hybrid role outside … IR35 initially for 12 months with a good chance to extend. Data Migration Lead tasked with overseeing the planning, execution, and management of data transfers from legacy systems to Microsoft Dynamics 365. Responsibilities include ensuring data accuracy, consistency, and compliance with business needs throughout the entire migration lifecycle." Strong understanding of data migration principles and best practices. … techniques. Experience in delivering D365F&O and integration using Azure services. Successfully migrated Dynamics 365 F&O multiple times, with proven experience leading data migration from legacy systems to D365. More ❯

problems. About the Role: You will spearhead the development and enhancement of enterprise-level reporting capabilities, leading the migration and integration of reporting frameworks from various legacy systems into Oracle Fusion. This role demands a commitment to ensuring data accuracy, performance, and business alignment, delivering reliable, insightful, and scalable reporting solutions in close collaboration with stakeholders. Key … Responsibilities: Lead the development and enhancement of enterprise-level reporting capabilities within Oracle Fusion. Lead the migration and integration of reporting frameworks from legacy systems into Oracle Fusion. Ensure data accuracy, performance, and business alignment of all reporting solutions. Collaborate closely with stakeholders to deliver reliable, insightful, and scalable reporting solutions. Essential Skills & Experience: Deep expertise in More ❯

problems. About the Role:You will spearhead the development and enhancement of enterprise-level reporting capabilities, leading the migration and integration of reporting frameworks from various legacy systems into Oracle Fusion. This role demands a commitment to ensuring data accuracy, performance, and business alignment, delivering reliable, insightful, and scalable reporting solutions in close collaboration with stakeholders. Key … Responsibilities: Lead the development and enhancement of enterprise-level reporting capabilities within Oracle Fusion. Lead the migration and integration of reporting frameworks from legacy systems into Oracle Fusion. Ensure data accuracy, performance, and business alignment of all reporting solutions. Collaborate closely with stakeholders to deliver reliable, insightful, and scalable reporting solutions. Essential Skills & Experience: Deep expertise in More ❯

the Role This strategic position calls for QA Lead to help define the function and steer it into the future. The ideal candidate excels at modernising legacy systems, scaling automated testing in cloud environments and embedding quality throughout the software development lifecycle. Responsibility spans defining and executing a QA strategy that leverages cutting‐edge technologies, nurtures a … early in the development lifecycle. Define metrics and KPIs to measure quality, test coverage and release readiness. Drive continuous improvement through retrospectives, root‐cause analysis and feedback loops. Legacy Transformation Assess existing QA processes and tools; identify gaps and opportunities for modernisation. Lead initiatives to refactor or replace outdated testing frameworks and manual workflows. Qualifications Proven experience leading … 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. Excellent leadership, communication and stakeholder‐management skills. Preferred Skills Experience with containerised testing environments (e.g., Docker, Kubernetes). Familiarity with performance‐testing tools. Knowledge of More ❯

the Role This strategic position calls for QA Lead to help define the function and steer it into the future. The ideal candidate excels at modernising legacy systems, scaling automated testing in cloud environments and embedding quality throughout the software development lifecycle. Responsibility spans defining and executing a QA strategy that leverages cutting‐edge technologies, nurtures a … early in the development lifecycle. Define metrics and KPIs to measure quality, test coverage and release readiness. Drive continuous improvement through retrospectives, root‐cause analysis and feedback loops. Legacy Transformation Assess existing QA processes and tools; identify gaps and opportunities for modernisation. Lead initiatives to refactor or replace outdated testing frameworks and manual workflows. Qualifications Proven experience leading … 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. Excellent leadership, communication and stakeholder‐management skills. Preferred Skills Experience with containerised testing environments (e.g., Docker, Kubernetes). Familiarity with performance‐testing tools. Knowledge of More ❯

the Role This strategic position calls for QA Lead to help define the function and steer it into the future. The ideal candidate excels at modernising legacy systems, scaling automated testing in cloud environments and embedding quality throughout the software development lifecycle. Responsibility spans defining and executing a QA strategy that leverages cutting‐edge technologies, nurtures a … early in the development lifecycle. Define metrics and KPIs to measure quality, test coverage and release readiness. Drive continuous improvement through retrospectives, root‐cause analysis and feedback loops. Legacy Transformation Assess existing QA processes and tools; identify gaps and opportunities for modernisation. Lead initiatives to refactor or replace outdated testing frameworks and manual workflows. Qualifications Proven experience leading … 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. Excellent leadership, communication and stakeholder‐management skills. Preferred Skills Experience with containerised testing environments (e.g., Docker, Kubernetes). Familiarity with performance‐testing tools. Knowledge of More ❯

support trading, risk, and back-office operations across multiple asset classes. Key Responsibilities Platform Migration & Re-Platforming: Drive the re-platforming of the bank’s front and middle office systems onto MX.3, including the decommissioning of legacy systems such as MXG2000, OBS, ACBS, and Eximbills Team Leadership: Lead a team of 8 specialists, providing guidance, mentorship … Inside IR35) - ASAP Start - X1 days in London office - Strong market rates Synechron Synechron Technologies draws on over 17 years of financial services IT consulting experience to provide expert systems integration expertise and technical development work in highly complex areas within financial services this making it one of the fastest-growing digital, business consulting, and technology firms around the More ❯

support trading, risk, and back-office operations across multiple asset classes. Key Responsibilities Platform Migration & Re-Platforming: Drive the re-platforming of the bank’s front and middle office systems onto MX.3, including the decommissioning of legacy systems such as MXG2000, OBS, ACBS, and Eximbills Team Leadership: Lead a team of 8 specialists, providing guidance, mentorship … Inside IR35) - ASAP Start - X1 days in London office - Strong market rates Synechron Synechron Technologies draws on over 17 years of financial services IT consulting experience to provide expert systems integration expertise and technical development work in highly complex areas within financial services this making it one of the fastest-growing digital, business consulting, and technology firms around the More ❯

support trading, risk, and back-office operations across multiple asset classes. Key Responsibilities Platform Migration & Re-Platforming: Drive the re-platforming of the bank’s front and middle office systems onto MX.3, including the decommissioning of legacy systems such as MXG2000, OBS, ACBS, and Eximbills Team Leadership: Lead a team of 8 specialists, providing guidance, mentorship … Inside IR35) - ASAP Start - X1 days in London office - Strong market rates Synechron Synechron Technologies draws on over 17 years of financial services IT consulting experience to provide expert systems integration expertise and technical development work in highly complex areas within financial services this making it one of the fastest-growing digital, business consulting, and technology firms around the More ❯

of a team taking ownership to specify, develop and test the sub-system; also being responsible for varying specialist services which involve the choice and application of diverse processes, systems and techniques. Office based in Farnborough. SC Cleared or eligible for SC. What you'll be doing: SharePoint SME to build SharePoint solutions that are both Resilient and Fault … content types to support business processes and governance requirements. Implement secure access and permissions models in line with organizational and MOD/NCSC policies. Integrate SharePoint with other enterprise systems (e.g. ServiceNow, Power BI, Azure, and legacy systems). Customise the SharePoint user experience through modern UI design, scripting (JavaScript/TypeScript), and web part development. More ❯

of a team taking ownership to specify, develop and test the sub-system; also being responsible for varying specialist services which involve the choice and application of diverse processes, systems and techniques. Office based in Farnborough. SC Cleared or eligible for SC. What you'll be doing: SharePoint SME to build SharePoint solutions that are both Resilient and Fault … content types to support business processes and governance requirements. Implement secure access and permissions models in line with organizational and MOD/NCSC policies. Integrate SharePoint with other enterprise systems (e.g. ServiceNow, Power BI, Azure, and legacy systems). Customise the SharePoint user experience through modern UI design, scripting (JavaScript/TypeScript), and web part development. More ❯