1 to 25 of 161 Legacy Systems Jobs in the UK excluding London

client is seeking a Systems Configuration Analyst to support a major transformation programme involving legacy Intelligent Transport Systems (ITS). The role focuses on understanding, documenting, and managing complex system configurations within a long-established traffic systems estate, with particular emphasis on Variable Message Signage … role in baselining existing system configurations, creating a structured and sustainable approach to configuration management, and supporting the transition to a modernised systems environment. This is not a hands-on technical role . Instead, it requires a high-level analytical professional with strong stakeholder engagement skills and experience working ...

will be accountable for building seamless, high-converting digital experiences that are secure, compliant, and scalable, while progressively modernising and integrating legacy systems into a future-ready platform. With a core focus on their Self-Serve capabilities for their customers. This is a hands-on role … delivery cycles, working closely with engineering teams to ensure timely, high-quality releases. Digital Transformation & Platform Evolution Drive the modernisation of legacy systems, integrating them into scalable, customer-centric digital platforms. Define and deliver API-led, modular solutions that support future growth and innovation. Select and collaborate ...

Programme Manager – Housing Systems Transformation Location: Hybrid – Portsmouth Duration: April 2026 – March 2028 Working Pattern: 4 days per week (8.00 am – 5.00 pm) Rate: £350 – £400 per day PAYE A major housing provider in Portsmouth is embarking on a significant transformation programme, replacing multiple legacy systems … reporting Lead multi-workstream delivery covering system configuration, integrations and environment management Oversee complex data cleansing and migration from multiple legacy housing systems Manage integrations across housing, repairs, finance, community safety and corporate platforms Lead testing cycles including System Integration Testing and User Acceptance Testing Drive organisational ...

best practices for scalability, resilience and security Contribute to CI/CD pipelines and deployment workflows Embed monitoring, logging and observability within cloud-hosted systems Legacy Transition Support phased migration away from the existing PHP platform Provide technical oversight during system replacement and integration Reduce technical debt … clean architecture principles Mentor junior developers where appropriate Contribute to Agile ceremonies and cross-functional collaboration Essential Experience Strong commercial experience developing backend systems in Python Experience designing and implementing RESTful APIs Proven experience building and deploying applications within AWS (e.g. Lambda, ECS, API Gateway, CloudWatch, DynamoDB, Cognito ...

integration. The successful candidate will lead the consolidation of multiple Salesforce orgs, third party CRM and field service platforms, and legacy systems into a unified, scalable Salesforce platform covering Sales Cloud, Service Cloud, and Field Service Lightning. This role plays a pivotal part in reducing technical debt … architecture and governance Secure, compliant, and scalable Salesforce design aligned to ISO 27001 and GDPR Reliable integration with Workday, telephony platforms, and other core systems Improved customer experience through consistent processes and data visibility Salesforce architecture and delivery Own and define the end-to-end Salesforce architecture ...

undertaking a large-scale ERP transformation programme and are looking for a Junior Data Developer to support the migration from legacy systems into Sage X3. This is an excellent opportunity for someone early in their career who wants real exposure to ERP implementation and data transformation projects … ensure accurate, reliable data migration into a modern ERP environment. Duties of the Junior Data Developer will include: Analysing data from legacy systems Supporting ETL (extract, transform, load) processes Validating and reconciling migrated data Performing data cleansing and quality checks Supporting UAT and testing phases Maintaining data ...

across functional workstreams, ensuring data meets architectural, compliance, and governance standards. Key Responsibilities Extract and prepare HR and employee data from legacy systems for migration into Workday Transform, cleanse, and validate datasets to meet agreed standards and Workday requirements Conduct data gap analysis and support remediation … delivery Experience/Knowledge needed: Experience of working with the HR function Excellent abilities when it comes to extracting data from legacy systems, cleansing data, validating data, transforming data and preparing to hand over to the IMPL Data lead. Demonstrable HR data architecture experience Identify and analyse ...

optimisation of data pipelines. Data Engineer - What will you be doing? * Collaborating with team members to migrate existing data pipelines from legacy systems to the new Databricks platform.* Supporting the ongoing build-out of the Databricks environment by developing robust, scalable data solutions that meet current … optimising ETL/ELT pipelines using modern tools and technologies is essential for success.* Familiarity with managing dual environments involving both legacy systems (such as on-premise databases) and contemporary cloud solutions is beneficial.* Strong problem-solving skills combined with an analytical mindset enable you to address ...

which will take ownership of data migration activities - there will be a lot of work which is extracting data out of legacy systems through cleansing, transformation, mapping and loading into Workday. Workday Data Lead, key experience & skills: Extensive experience leading data workstreams on multiple Workday implementations Strong … technical, data background - migration and technical data roles Extracting and transforming HR and Payroll data from legacy systems Expertise in data mapping for migration Advanced SQL skills and experienced with ETL processes Excellent understanding of Workday data structures Ability to work with non-technical and senior stakeholders ...

Central London base with 2 days per week remote work . Strategic Roadmap: Own the end-to-end shutdown of legacy systems and the rollout of new Cloud -based booking platforms . Legacy Building: This isn't just maintenance; it's a total Digital Transformation … prestigious global membership body with a history of supporting international initiatives . They are currently moving away from fragmented legacy IT systems toward a unified , high-performing digital ecosystem . With a massive global user base , they offer a collaborative environment where technology is viewed ...

Title: Microsoft D365 BC Systems Manager Salary: £59,103 per annum, Band H, Level 3 - Inclusive of a Market Supplement Location: Scout Store, Lancing, West Sussex, BN15 8UG Contract Type : Permanent Working Hours : 35 - Hybrid working with two days a week in Lancing and as required. About the role … looking for an experienced and practical Microsoft D365 Business Central Systems Manager to take ownership of our core business systems. This is a hands-on role where you'll make a real difference, keeping our systems running smoothly and helping the business work better every day. ...

Contract: 12 months Location: Hybrid Glasgow (2 days per week on site) IR35: Inside IR35 Security Clearance: BPSS required We are seeking an experienced Systems Configuration Manager to support a major transformation programme within a large, complex Intelligent Transport Systems (ITS) environment. This role sits at the intersection … legacy systems, configuration management, and large-scale change , helping to baseline, rationalise, and transition long-established system configurations into a new, modernised systems estate. The Role Analyse and understand complex, long-standing system configurations (old) Capture, document, and structure configuration data into a clear, manageable format ...

fast-growing, acquisition-led organisation. Your core mission will be to migrate operational (CRM) and in time, finance data from multiple legacy systems into Microsoft Dynamics, repeatedly, reliably, and under pressure. You will work across: Bespoke, undocumented, and at times, home-grown systems SaaS platforms (e.g. … with minimal hand-holding, in a demanding BAU + project environment. What Youll Be Doing For each acquired business, analyse legacy source systems (often undocumented) Understand and interrogate data models at source and target (D365/Dynamics) Perform source-to-target mapping Extract, cleanse, transform, and load ...

Project Manager to lead a major Housing Management System (HMS) transformation programme. This is a significant transformation initiative replacing multiple legacy housing systems with a single, modern, cloud-hosted Housing Management System. The new platform will support over 15,000 households and will play a key role … link between Housing, IT & Digital, Data, Finance, Procurement, Governance and external suppliers Overseeing data cleansing and migration from multiple legacy systems Managing integrations with repairs, finance, community safety and corporate systems Leading system integration testing (SIT), user acceptance testing (UAT), defect management and go-live readiness ...

Software Developer with experience in VB.NET and/or C#.NET to join our development team. You will work on internal and client-facing business systems, contributing to both ongoing product development and new feature delivery. About the role This role suits a developer with solid foundations in .NET … comfortable working across backend logic, database interaction, and supporting user-facing applications. You will be involved in maintaining existing systems while also helping modernise parts of the platform over time. Key Responsibilities: Develop and maintain applications using VB.NET and C#.NET Design, write, and optimise SQL Server queries and stored ...

will be working for Portsmouth Homes, who are embarking on a major transformation of its Housing Management services, replacing a complex mix of ageing systems with a single, modern, cloud-hosted Housing Management System (HMS). This high-profile project will play a significant role in improving services … engagement where required, ensuring supplier deliverables meet contractual expectations. Oversee all technical and functional workstreams, including data cleansing, migration from multiple legacy systems, integrations with Repairs, Community Safety, Finance and corporate platforms, environment management, and configuration. Manage testing cycles end-to-end, including SIT, UAT, defect tracking ...

/4HANA - not just today, but for whats coming next. As a Senior SAP FI CO Consultant , you wont be firefighting legacy systems or stuck in narrow project silos. Instead, youll work at the heart of modern SAP finance, helping clients adopt a true cloud-first mindset … calibre SAP Finance Consultant to join our Managed Services team in a strategic, cloud-first role. This position goes beyond legacy project systems, focusing on shaping the core financial architecture of SAP S/4HANA Public and Private Cloud environments. As a Senior Consultant, youll ...

Business Systems Manager Brand: Flow Student Reports to: Head of Operations Location: Manchester Head Office (National travel required) Salary: £55,000 – £65,000 + performance-linked bonus Purpose of the Role This is a high-impact leadership role at the heart of Flow Student’s digital and operational infrastructure. … Business Systems Manager will take full accountability of the strategic oversight, optimize the end-to-end delivery of all core business systems across the portfolio, ensuring they are scalable, integrated and aligned to the wider growth strategy. From system design and configuration through to mobilisation, integration, go-live ...

community of practice and staying current with Salesforce platform evolution Provide technical leadership across dependencies where Salesforce is integrated with multiple legacy systems, with proven ability to drive technical strategy and resolve integration challenges. Monitoring and troubleshooting: ability to implement monitoring, logging and proactive issue resolution across … best practices Proven track record of working with Salesforce as part of a wider integrated IT estate, including legacy and external systems using a range of integration tools and patterns Experience with Salesforce DevOps and CI/CD tooling Strong understanding of Salesforce security management, data management ...

community of practice and staying current with Salesforce platform evolution Provide technical leadership across dependencies where Salesforce is integrated with multiple legacy systems, with proven ability to drive technical strategy and resolve integration challenges. Monitoring and troubleshooting: ability to implement monitoring, logging and proactive issue resolution across … best practices Proven track record of working with Salesforce as part of a wider integrated IT estate, including legacy and external systems using a range of integration tools and patterns Experience with Salesforce DevOps and CI/CD tooling Strong understanding of Salesforce security management, data management ...

community of practice and staying current with Salesforce platform evolution Provide technical leadership across dependencies where Salesforce is integrated with multiple legacy systems, with proven ability to drive technical strategy and resolve integration challenges. Monitoring and troubleshooting: ability to implement monitoring, logging and proactive issue resolution across … best practices Proven track record of working with Salesforce as part of a wider integrated IT estate, including legacy and external systems using a range of integration tools and patterns Experience with Salesforce DevOps and CI/CD tooling Strong understanding of Salesforce security management, data management ...

community of practice and staying current with Salesforce platform evolution Provide technical leadership across dependencies where Salesforce is integrated with multiple legacy systems, with proven ability to drive technical strategy and resolve integration challenges. Monitoring and troubleshooting: ability to implement monitoring, logging and proactive issue resolution across … best practices Proven track record of working with Salesforce as part of a wider integrated IT estate, including legacy and external systems using a range of integration tools and patterns Experience with Salesforce DevOps and CI/CD tooling Strong understanding of Salesforce security management, data management ...

Engineer role focuses on the planning, execution, and management of data migration projects. Data Engineer are responsible for transferring data from legacy systems to new platforms, ensuring accuracy, consistency, and adherence to data integrity standards. Analyse existing data structures and understand business requirements for data migration. Design … orchestration tools like Terraform and Airflow. Strong analytical skills to assess data quality, identify inconsistencies, and troubleshoot data migration issues. Understanding of database management systems (SQL Server, Oracle, MySQL and NoSQL) and SQL query optimisation. Ability to plan and execute data migration projects, manage timelines, and coordinate with stakeholders. ...

Systems Project Manager Manchester Permanent Purpose of the Role This is a high-impact role at the heart of a major digital transformation. You will lead the end-to-end delivery of a new property management system, replacing the existing platform and reshaping how the business operates across … modules including lease management, rent collection, service charges, credit control, facilities management and reporting. You’ll manage data migration from legacy systems, ensuring accuracy, integrity and business confidence in the new platform. Integration will sit at the core of your remit. You’ll coordinate and oversee ...

Tyne The Opportunity Our client is a specialist AI and advanced technology consultancy headquartered in Newcastle, established to design and deliver intelligent, high-performance systems for complex Financial Services and investment environments. Backed by global expertise in consulting and capital markets, the business is building an elite engineering … North East focused on scalable platforms, data-intensive systems, and AI-driven solutions. This is not a traditional consultancy model. Engineers build production systems that directly support trading, analytics, and strategic decision-making. The expectation is precision, speed, and technical depth. You will be joining at an early ...