1 to 25 of 126 Permanent Legacy Systems Jobs in the Thames Valley

IT Systems Engineer 12 Months FTC offering £46,000 per annum + great benefits £8,000 Travel Assistance (HCAS) Generous pension (12% Personal Contribution + 23% Employer Contribution) Up to 35 days per year About the role This is an exciting opportunity to play a key role in the … skills and make positive impact? We are looking for an experienced IT professional to join during the transition of legacy case management systems to modern, cloud-based solutions. Your role will focus on maintaining and supporting on prem legacy systems during ongoing transformation to … cloud-based (AWS) software as a service (SaaS). Your role would be in 60% focussing on supporting Applications/systems that sit on SQL, and 40% would be general Infrastructure support. Therefore we are looking for all-arounder, with good SQL knowledge. What You Will Do Provide expert More ❯

About the Role: As Technical Lead you will play a central role in designing and delivering enterprise-grade solutions, managing both legacy systems and the strategic migration to Azure-based cloud platforms. You’ll lead by example, guiding a cross-functional team through complex technical decisions, ensuring … delivery standards, and alignment with the wider enterprise architecture. This role offers the opportunity to contribute to large-scale modernisation while maintaining essential business systems used across global markets. Key Responsibilities: Lead the technical design and decision-making for all team deliverables, ensuring architectural alignment and long-term maintainability. … technical delivery of features, with a focus on quality, scalability, and performance. Work closely with architects to contribute to the ongoing evolution of enterprise systems, balancing innovation with operational stability. Provide technical leadership, mentoring developers and fostering a high-performing Agile team culture. Collaborate with DevOps and platform engineering More ❯

We are seeking an experienced Project Manager to lead the end-to-end implementation of Microsoft Dynamics 365, overseeing the transition from a legacy platform to a modern, scalable CRM/ERP solution. This role is critical in enabling operational efficiency and enhancing user experience across the organisation. … project lifecycle of the D365 implementation, from initial planning through to delivery and post-go-live support. Manage the transition from legacy systems to Microsoft Dynamics 365 with minimal disruption to business operations. Define project scope, objectives, deliverables, and success metrics in collaboration with key stakeholders. Develop … or Finance & Operations implementations. Strong understanding of the D365 platform and common integration and data migration challenges. Experience managing transitions from legacy systems to Microsoft cloud solutions. Excellent stakeholder management and communication skills across technical and non-technical audiences. Experience working in Agile, Waterfall, or hybrid delivery More ❯

Microsoft/Azure data tools. You'll play a key role in standardising and migrating data from a diverse range of legacy systems into a centralised Dynamics 365 CE environment. You’ll lead the full data migration lifecycle and work closely with technical and functional stakeholders to … execute ETL (Extract, Transform, Load) processes into Dynamics 365 CE modules (e.g., Sales, Customer Service, Field Service). Work with legacy CRM systems, spreadsheets, databases, and proprietary platforms to extract data. Map and transform data into Dynamics 365 CE entities such as Accounts, Contacts, Leads, Cases, and More ❯

including accounting, financial reporting, and budgeting, and how these map to D365. Experience supporting or leading ERP system migrations, particularly from legacy systems to D365. Skilled in gathering, analysing, and documenting business requirements, and translating them into functional specifications and system solutions. Excellent problem-solving abilities with … solutions. Assess and solve complex finance-related problems by applying industry best practices and technology solutions. Support the migration from legacy finance systems to a new platform, ensuring smooth transition and minimal disruption. Analyse and understand matured finance processes and adapt them to the new platform, leveraging More ❯

and integration points for continuity and future development. • Engage stakeholders to understand needs, usage and modernisation opportunities. • Design and propose a replacement using central systems and Microsoft Power Platform/Azure. • Lead redevelopment, delivering scalable, centrally supported tools. • Ensure compliance with governance, security and engineering best practices. • Coordinate integration … self-directed. A strong collaborator able to engage technical and non-technical audiences. Comfortable in a transitional environment where legacy and modern systems coexist. About the client. IT Services is a strategic, delivery-focused department supporting key professional operations. Committed to modernising the digital estate, they deliver … scalable services aligned with software development and security best practice. This role is key in replacing departmental legacy systems with centrally supported platforms, offering high autonomy, technical challenge and visibility across the institution. To apply, send your CV to Ryan at rmitchell@itecopeople.co.uk with a supporting statement More ❯

The Go-to Engineer For End-to-end data migration architecture ( on-premise to cloud or cloud-to-cloud). Designing scalable and secure systems using AWS services like S3, Lambda, and EKS, EC2, VPC, RDS. Interfacing with both legacy PHP/C# systems and modern … to drive meaningful improvements in animal health. A Bit More About The Role, You Will Lead migration of data assets from legacy systems to our cloud-native environments using AWS and our bespoke Conversion Framework. Build new and maintain existing bespoke systems. Implement .NET-based microservices with … Coach junior developers and collaborate cross-functionally with product and platform teams. So what are we looking for? Bachelor's in Computer Science , Information Systems, or equivalent experience. 7+ years in software or data engineering, with strong recent experience in cloud data migrations. Proficient with MySQL, OOP, AWS (EC2 More ❯

Regional Digital Technologies Deployment team and is responsible for deploying new Record to Report capabilities to the European Markets using S4 HANA and Edge systems, working in collaboration with the Centers of Excellence, Data Transformation Team, GPOs, Regional Business Teams, IT Run & Grow, and System Integrators. What are we … escalating any R2R technical related issues Plan and coordinate data migration, cutover activities, and go-live strategies. Ensure smooth transition from legacy systems to SAP S/4HANA. Identify and mitigate deployment risks. Ensure standardization of business processes Drive automation and best practices in R2R Ensure seamless … integration with external systems such as Blackline, HFM, Lucernex, and payment suppliers Act as a bridge between business teams and SAP consultants. Support training sessions and user adoption programs What can you expect from Mars? Work with diverse and talented Associates, all guided by the Five Principles. Join a More ❯

of a broader modernisation programme transitioning into a cloud-native Python and Databricks environment . As the business moves away from legacy systems and invests in modern architecture, you’ll work at the intersection of stability and transformation — ensuring continuity in existing applications while helping shape the … technologies like React . Support mission-critical regulatory applications as part of a collaborative, Agile feature team. Contribute to the strategic migration from legacy platforms to a cloud-based architecture using Python , Azure , and Databricks . Apply best practices in DevOps, CI/CD, and test-driven development. … as Jira, Docker, Kubernetes, Octopus, Artifactory, Oracle, and SQL Server. A problem-solver with a strong understanding of software development practices. Experience with regulatory systems in Financial Services is a plus, but not essential. Why Join? Play a pivotal role in a cloud transformation journey using modern data and More ❯

a large-scale publishing platform. This platform integrates both modern and legacy technologies, and your role will be pivotal in maintaining existing systems while contributing to a long-term transition toward a more scalable and modern architecture. You’ll work across the stack using technologies like .NET … love to hear from you. Key Responsibilities Design, develop, and maintain scalable web applications using .NET and Vue.js. Support and enhance legacy systems built with older .NET and Vue.js versions. Optimize database performance (SQL Server, MongoDB). Collaborate with cross-functional teams to gather requirements and implement … as Camunda. Proficient in automated testing using frameworks like NUnit or Playwright. Understanding of architectural patterns such as Domain-Driven Design (DDD), event-driven systems, and microservices. Knowledge of Behavior-Driven Development (BDD) and Test-Driven Development (TDD) methodologies. What’s on Offer 4 Wellbeing days annually. Access to More ❯

within our Business Services and Outsourcing Stream consists of cloud accounting specialists that support businesses with the implementation and migration from legacy systems to innovative cloud accounting. We are supported by integration partners offering systems designed to enhance productivity, operational performance, the control environment, business agility … production of timely management information. You will also be working with clients to transform their finance function through the application of technology, identifying suitable systems to help them achieve their aims. You will take responsibility for client onboarding, migration and configuration of the selected cloud accounting systems, work … closely and manage members of the team to ensure our clients' requirements are met. If you are interested in accounting systems and how they can be utilised to transform finance functions into a lean, efficient and automated engine for any business, come and join us! You'll be someone More ❯

Provide accurate progress reports to clients and internal stakeholders. Oversee user testing, issue management, and prioritization. Ensure smooth data migration from legacy systems to target solutions. Manage scope, risks, and changes, ensuring alignment with the agreed solution and business case. Collaborate with internal teams, mentor junior members … and drive process improvements. Qualifications: Strong experience in Project Management, particularly in Agile environments. Knowledge of front, middle and back office Background in Trading Systems Proven ability to manage complex projects and deliver high-quality results. Excellent communication and stakeholder management skills. Experience with data migration and user testing. More ❯

the company’s hydrogen production and sales operations. This role is instrumental in advancing the digital transformation agenda by integrating isolated legacy systems, deploying new digital tools, and ensuring full compliance with evolving regulatory frameworks. The ideal candidate will combine technical acumen with excellent programme management skills … custom web-based production planning tool Carbon, pricing, and scheduling data from electricity providers Data from hydrogen production plant PLCs Logistics partner transport management systems (TMS) Invoicing and financial processes through Microsoft Dynamics Core Objectives: Ensure compliance with UK regulatory and pricing mechanisms, including the Low Carbon Hydrogen Standard … Sound financial and budgeting capabilities Effective multitasking and problem-solving abilities under pressure Proficiency in project management tools (e.g. Microsoft Project) Experience integrating diverse systems and technologies Knowledge of Python is a plus Familiarity with UK low-carbon certification schemes (LCHS, RTFC) is advantageous More ❯

University's IT landscape, ensuring alignment with institutional goals and objectives. The Enterprise Architect will lead the review of the existing on-premise legacy estate, recommend optimal future-state architectures, and develop comprehensive roadmaps for migration and modernization. This position requires a deep understanding of enterprise architecture principles … standards, and principles, ensuring alignment with institutional strategic goals. Roadmap Development: Lead the assessment of the current IT landscape (on-premise legacy systems) and develop comprehensive roadmaps for future-state architectures, including cloud migration (Azure), application modernization (CRM/ERP), infrastructure upgrades, and security enhancements. Technology Leadership … unique challenges and opportunities within a higher education environment to develop effective and relevant architectural solutions. Qualifications: Bachelor's degree in Computer Science, Information Systems, or a related field; Master's degree preferred. Extensive experience (typically 10+ years) in IT, with a focus on enterprise architecture. Proven experience in More ❯

architecture and design of a mobile application modernization project for a leading financial institution. The role requires deep expertise in modernizing legacy systems, designing scalable platforms, and integrating cutting-edge technologies to deliver secure, high-performance mobile banking solutions. The ideal candidate will have hands-on experience … at least 3 years focused on mobile application modernization. Proven track record in the banking or financial services domain, with knowledge of core banking systems, payment gateways, and regulatory compliance. Technical Expertise: Hands-on experience with Kong API Gateway for API management, routing, and security. Extensive knowledge of AWS More ❯

Data Engineer/Migration Engineer to support the migration of CRM data from various OpCo's, using a variety of legacy source systems, into the Microsoft Dynamics 365 Customer Engagement (CE) platform. You will be responsible for extracting, transforming, cleansing, and loading data , ensuring quality and consistency … Load) processes to migrate data into D365 CE modules (e.g., Sales, Customer Service, Field Service). Work with data from legacy CRM systems, spreadsheets, databases, and other source platforms. Map source data to Dynamics 365 CE entities such as Accounts, Contacts, Leads, Cases, and Opportunities. Cleanse, deduplicate More ❯

Data Engineer/Migration Engineer to support the migration of CRM data from various OpCo's, using a variety of legacy source systems, into the Microsoft Dynamics 365 Customer Engagement (CE) platform. You will be responsible for extracting, transforming, cleansing, and loading data , ensuring quality and consistency … Load) processes to migrate data into D365 CE modules (e.g., Sales, Customer Service, Field Service). Work with data from legacy CRM systems, spreadsheets, databases, and other source platforms. Map source data to Dynamics 365 CE entities such as Accounts, Contacts, Leads, Cases, and Opportunities. Cleanse, deduplicate More ❯

and guiding large-scale data platform migrations. Proficiency in AWS, Azure, or GCP is required, and familiarity with SAP BW, SAP Datasphere, and legacy-to-cloud migration strategies is a significant advantage. If you thrive in a consultative environment, have a passion for architecting scalable data solutions, and … and implement CDC and delta load frameworks to enhance data integration and performance. Platform Modernization & SAP Expertise: Lead complex migrations from legacy systems to modern cloud platforms; oversee SAP BW to SAP Datasphere transitions and leverage SAP Data Analytics to maximize solution effectiveness. Governance, Security & Collaboration: Ensure … experience as a Data Solutions Consultant, Pre-Sales Data Engineer, or in a cloud data architecture role in SAP BW, AP Datasphere, and legacy-to-cloud migration strategies Hands-on experience with AWS, Azure, or GCP and familiarity with cloud-native tools such as AWS Glue, DMS, Kafka More ❯

and guiding large-scale data platform migrations. Proficiency in AWS, Azure, or GCP is required, and familiarity with SAP BW, SAP Datasphere, and legacy-to-cloud migration strategies is a significant advantage. If you thrive in a consultative environment, have a passion for architecting scalable data solutions, and … and implement CDC and delta load frameworks to enhance data integration and performance. Platform Modernization & SAP Expertise: Lead complex migrations from legacy systems to modern cloud platforms; oversee SAP BW to SAP Datasphere transitions and leverage SAP Data Analytics to maximize solution effectiveness. Governance, Security & Collaboration: Ensure … experience as a Data Solutions Consultant, Pre-Sales Data Engineer, or in a cloud data architecture role in SAP BW, AP Datasphere, and legacy-to-cloud migration strategies Hands-on experience with AWS, Azure, or GCP and familiarity with cloud-native tools such as AWS Glue, DMS, Kafka More ❯

and guiding large-scale data platform migrations. Proficiency in AWS, Azure, or GCP is required, and familiarity with SAP BW, SAP Datasphere, and legacy-to-cloud migration strategies is a significant advantage. If you thrive in a consultative environment, have a passion for architecting scalable data solutions, and … and implement CDC and delta load frameworks to enhance data integration and performance. Platform Modernization & SAP Expertise: Lead complex migrations from legacy systems to modern cloud platforms; oversee SAP BW to SAP Datasphere transitions and leverage SAP Data Analytics to maximize solution effectiveness. Governance, Security & Collaboration: Ensure … experience as a Data Solutions Consultant, Pre-Sales Data Engineer, or in a cloud data architecture role in SAP BW, AP Datasphere, and legacy-to-cloud migration strategies Hands-on experience with AWS, Azure, or GCP and familiarity with cloud-native tools such as AWS Glue, DMS, Kafka More ❯

and guiding large-scale data platform migrations. Proficiency in AWS, Azure, or GCP is required, and familiarity with SAP BW, SAP Datasphere, and legacy-to-cloud migration strategies is a significant advantage. If you thrive in a consultative environment, have a passion for architecting scalable data solutions, and … and implement CDC and delta load frameworks to enhance data integration and performance. Platform Modernization & SAP Expertise: Lead complex migrations from legacy systems to modern cloud platforms; oversee SAP BW to SAP Datasphere transitions and leverage SAP Data Analytics to maximize solution effectiveness. Governance, Security & Collaboration: Ensure … experience as a Data Solutions Consultant, Pre-Sales Data Engineer, or in a cloud data architecture role in SAP BW, AP Datasphere, and legacy-to-cloud migration strategies Hands-on experience with AWS, Azure, or GCP and familiarity with cloud-native tools such as AWS Glue, DMS, Kafka More ❯

and guiding large-scale data platform migrations. Proficiency in AWS, Azure, or GCP is required, and familiarity with SAP BW, SAP Datasphere, and legacy-to-cloud migration strategies is a significant advantage. If you thrive in a consultative environment, have a passion for architecting scalable data solutions, and … and implement CDC and delta load frameworks to enhance data integration and performance. Platform Modernization & SAP Expertise: Lead complex migrations from legacy systems to modern cloud platforms; oversee SAP BW to SAP Datasphere transitions and leverage SAP Data Analytics to maximize solution effectiveness. Governance, Security & Collaboration: Ensure … experience as a Data Solutions Consultant, Pre-Sales Data Engineer, or in a cloud data architecture role in SAP BW, AP Datasphere, and legacy-to-cloud migration strategies Hands-on experience with AWS, Azure, or GCP and familiarity with cloud-native tools such as AWS Glue, DMS, Kafka More ❯

end infrastructure. Exposure to accessibility standards and inclusive design practices. Enthusiasm for clean, well-documented, and testable code. A thoughtful approach to refactoring legacy systems. **Please note, we cannot offer sponsorship to applicants (or transfer existing visas) at present** Salary: up to £110,000 + bonus + equity More ❯

ll contribute to the design and implementation of a new enterprise data platform using Snowflake and DBT , while also supporting and maintaining existing legacy systems. This is a business-facing role, offering exposure to high-impact projects and cross-functional collaboration. Key Skills: Extensive experience delivering enterprise-scale More ❯

Finance or Accounting (ACA, ACCA, or CIMA) is highly advantageous. Exposure to Adaptive Planning, Prism Analytics, or integrations with SAP, Concur, ADP, or legacy ERP systems. More ❯