1 to 25 of 82 Legacy Systems Jobs in the South East

established business in Brentford is seeking an experienced BI Developer to join their BI & Data Team as they embark on a major transformation journey, moving from legacy systems towards a modern Microsoft ecosystem built on Azure and Fabric. The team operates mostly remotely, with office collaboration up to once per week alongside the wider BI & Data team … data models for performance and reusability Supporting governance, security, and compliance best practices in a modern data platform Tooling for migration and reconciliation of data from legacy systems or acquisitions Providing technical support and hands-on data engineering across the full stack We are looking for: Strong experience as a BI Developer, Data Engineer, or similar Hands … Solid background in database technologies (SQL), reporting tools (Power BI) Excellent communication skills to work across technical and non-technical teams Experience with migration projects (e.g., moving from legacy BI to Fabric) is desirable Knowledge of governance and security within Microsoft Purview is a plus You will be rewarded with: Salary up to £60,000 depending on experience More ❯

established business in Brentford is seeking an experienced BI Developer to join their BI & Data Team as they embark on a major transformation journey, moving from legacy systems towards a modern Microsoft ecosystem built on Azure and Fabric. The team operates mostly remotely, with office collaboration up to once per week alongside the wider BI & Data team … data models for performance and reusability Supporting governance, security, and compliance best practices in a modern data platform Tooling for migration and reconciliation of data from legacy systems or acquisitions Providing technical support and hands-on data engineering across the full stack We are looking for: Strong experience as a BI Developer, Data Engineer, or similar Hands … background in database technologies (SQL), and reporting tools (Power BI) Excellent communication skills to work across technical and non-technical teams Experience with migration projects (e.g., moving from legacy BI to Fabric) is desirable Knowledge of governance and security within Microsoft Purview is a plus You will be rewarded with: Salary up to £60,000 depending on experience 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 ❯

integration of cutting-edge AI and robotic solutions across both clinical and non-clinical services within our Trust. Your role will be pivotal in transitioning our legacy systems to advanced AI and robotic solutions, ensuring that innovations align with our strategic objectives and adhere to national standards. Why Join Us? Be part of a dynamic team that … integration of cutting-edge AI and robotic solutions across clinical and non-clinical services. This position will play a key role in transitioning the Trust's legacy systems to advanced AI and robotic solutions, working closely with cross-functional teams to ensure that innovations align with the Trust's strategic objectives and adhere to national standards.The postholder More ❯

code with precision At times you will be asked to shape epics and tickets yourself - always aligned with the CTO's direction Build new features, fix problems in old systems and keep everything running fast and reliable Work on a mix of greenfield projects and legacy systems - both matter and both need doing right About You … it gets messy Respectful - confident in your skills without arrogance Confident resilient pragmatic and results-driven Clear judgement and able to balance speed with quality Experienced in building new systems and fixing legacy Keeps calm under pressure and still delivers Raises the bar for those around them by example Working Style Execute CTO direction with precision Deliver …/CD and cloud hosting Architecture scalability performance tuning Education 2:1+ degree in Software Engineering Experience 7+ years in software engineering Proven ability to deliver independently on complex systems while aligning with overall technical strategy Please contact Alvin More ❯

code with precision At times you will be asked to shape epics and tickets yourself - always aligned with the CTO's direction Build new features, fix problems in old systems and keep everything running fast and reliable Work on a mix of greenfield projects and legacy systems - both matter and both need doing right About You … it gets messy Respectful - confident in your skills without arrogance Confident resilient pragmatic and results-driven Clear judgement and able to balance speed with quality Experienced in building new systems and fixing legacy Keeps calm under pressure and still delivers Raises the bar for those around them by example Working Style Execute CTO direction with precision Deliver …/CD and cloud hosting Architecture scalability performance tuning Education 2:1+ degree in Software Engineering Experience 7+ years in software engineering Proven ability to deliver independently on complex systems while aligning with overall technical strategy LOOKING FOR WORK? The job of your dreams or the career you have always hankered after is just a few mouse clicks away 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 ❯

interactions, generating reports, and offering actionable insights to stakeholders, Provide business analysis consultancy support to projects, requests for change in the Group Change Programme of work, including process or systems improvements. Create detailed requirements and analysis documentation in the format required by the project, request for change or programme of work. Suggest changes that will create business efficiencies with … Awareness Familiarity with regulations around document retention, audit trails, and customer communications (e.g., GDPR, FCA guidelines). Change Management Experience Ability to support the transition from legacy systems to a new platform, including training, communications, and adoption strategies. Knowledge of Document Management Systems (DMS) Experience with DMS platforms, especially around version control and workflow automation. Integration … Awareness Understanding of how the DMS will integrate with existing systems (e.g., CRM, policy admin systems, letter generation tools). Data Migration & Quality Assurance Experience in supporting data/document migration activities, including validation, testing, and reconciliation Disability Statement People's Partnership is an equal opportunities employer. We believe everyone has the right to be treated fairly, with More ❯

Role OverviewThe client is seeking a mid-to-senior level contractor with strong backend and infrastructure development experience. The successful candidate will work on maintaining and upgrading a legacy Java/Oracle system, collaborating with existing developers to gain domain knowledge and contribute to modernisation efforts using cloud-based technologies. Key Responsibilities* Maintain and enhance a monolithic Java … skills and a passion for working with data* Be comfortable working with legacy Oracle PL/SQL code and motivated to improve it* View legacy systems as an opportunity to gain valuable domain knowledge* Embrace 3rd line support responsibilities and seek ways to automate and improve support processes* Be proficient in test-driven development and More ❯

is partnered with a fast-growing, family-run organisation undergoing a major digital transformation. We’re looking for a hands-on, people-focused Head of IT who can modernise systems, uplift the perception of IT across the business, and lead a small but capable technology team through an exciting period of change. This is a true leadership role for … someone who enjoys being close to the operation, visible to staff, and trusted by the leadership team. You’ll also play a pivotal role in the rollout of new systems, including their Salesforce-based ERP, while shaping an empowered, proactive, high-performing IT culture. Key Responsibilities Lead, mentor, and develop a team across support, development, cybersecurity, and programme delivery … Modernise and stabilise legacy systems and lead the transition to a future-fit IT landscape Manage infrastructure, networking, cybersecurity, and system resilience across a multi-site operation Drive a positive IT reputation by building strong relationships with stakeholders at all levels Oversee ERP and core business systems, including integrations and ongoing transformation projects Own IT vendor More ❯

aligns with corporate governance, MoD/Defence standards, and project timelines, delivering best value while mitigating commercial and contractual risks. Key Responsibilities: Procurement & Sourcing Lead sourcing activities for IT systems, software, and implementation services to support the ERP replacement programme (Oracle ERP implementation). Develop, issue, and manage RFPs/RFQs, supplier evaluations, and negotiation strategies in line with … the BFS Programme team, IT, and Finance to align procurement deliverables with the ERP transformation roadmap. Support the transition from SAP/Ariba procurement processes to Oracle ERP-based systems and tools. Provide procurement and commercial insight into ERP system configuration, vendor integrations, and licensing models. Support the development of procurement templates, policies, and processes within the new ERP … Defence, Aerospace, or Government). Strong understanding of software procurement, licensing models, and IT implementation services. Experience managing complex ERP or IT transformation procurements (preferably Oracle, SAP, or similar systems). Solid commercial and contractual negotiation skills. Working knowledge of public sector procurement frameworks and Defence Standards (DEFCONs, DSPCR, or equivalent). Ability to work collaboratively across multidisciplinary teams More ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

architecture and drive system modernization or retirement as appropriate. Technical & Architectural Expertise Demonstrated experience architecting and documenting solutions across hybrid cloud and on premises environments, including integration with legacy systems. Proven track record in infrastructure solution design, ensuring security, scalability, and performance in complex enterprise settings. Strong exposure to large scale public cloud implementations (preferably Azure). Hands More ❯

the end-to-end migration of our on-premises IT infrastructure to Microsoft Azure . This is a critical role that requires extensive hands-on experience in migrating legacy services and applications. The ideal candidate will be based in or willing to relocate to Reading and have a proven track record of successfully managing complex cloud transformation projects. … cloud services with our existing document management platforms such as Google Drive and AO Docs . SAP Workload Migration (Desirable): Advise on and architect the migration of our legacy SAP environments, including SAP ECC and SAP M3 , to the Azure cloud platform. The ideal candidate will have hands-on experience with SAP on Azure best practices, and knowledge … of traditional on-premises infrastructure services including Domain Controllers , Certificate Services , DNS, DHCP, and file servers. Desirable: Prior experience with SAP on Azure migrations, particularly for legacy systems like SAP ECC or SAP M3. Excellent analytical and problem-solving skills, with the ability to design solutions for complex technical challenges. Microsoft Certified: Azure Solutions Architect Expert is More ❯

drive transformation at scale? Join a high-performing engineering team building cloud-native platforms used by millions. This is your opportunity to shape infrastructure strategy, modernise legacy systems, and deliver resilient, high-performance solutions using cutting-edge Azure and .NET technologies. Your Mission As a Senior Infrastructure Engineer, you'll: Design and manage Azure infrastructure using Infrastructure … AppDynamics) Deep understanding of profiling, benchmarking, and optimisation Bonus Skills: Infrastructure as Code (ARM, Bicep, Terraform) Cloud networking (VNets, firewalls, load balancers) SQL Server performance tuning Experience modernising legacy apps in Azure Why You'll Love Working Here Remote-First Culture - Work from anywhere in the UK Flexible Hours - Fit work around your life Career Growth - Training budget More ❯