1 to 25 of 271 Legacy Systems Jobs in the UK excluding London

Role:HR Data Administrator/AnalystLocation:Coventry Contract: 6 Months (3 Days A Week)Day Rate: Up to £200/day (All in) Support Smarter HR Systems with One of Europe’s Leading Distributors We’re working with a major European distributor undergoing a transformation of their HR systems and processes. They’re now looking for a part … time HR Data Administrator/Analyst to support the HR Systems team with data management, reporting, and compliance. This is a great fit for someone who enjoys cleaning, organising, and handling sensitive HR data and who’s confident navigating legacy systems and older file structures. What You’ll Be Doing Managing HR data across legacy systems, backup drives, and SharePoint Supporting HR with ad hoc data queries and reporting tasks Locating, verifying and cleaning historical HR records Maintaining compliance and integrity across sensitive employee data Identifying gaps, errors, or inconsistencies using logical reasoning What They’re Looking For Experience handling HR data or other confidential records Familiarity with older file systems More ❯

in cloud architecture and implementation. - Bachelor's degree in computer science, Engineering, related field, or equivalent experience. - Substantial hands-on technical experience with mainframe, non-x86 legacy systems and with technologies such as COBOL, JCL, CICS, DB2 for z/OS, Assembler, PL/I, Java, Rexx, flat/sequential files, GDGs, and VSAM. - Proven track record … in a technical lead role migrating workloads from mainframe and non-x86 legacy systems to distributed x86 infrastructures either on-premises or on to the Cloud. - Deep experience integrating mainframe and non-x86 legacy systems with distributed Linux-based or Windows-based x86 servers. PREFERRED QUALIFICATIONS - Strong communication skills with the ability to explain … both technical and non-technical audiences - AWS associate or professional level certifications (e.g., Solutions Architect Associate or Professional, DevOps Engineer Professional) preferred - Experience leading customers with mainframe and legacy modernization initiatives. - Experience with tools and methodologies used to migrate mainframe workloads via hardware/middleware emulation, automated code conversion, and re-platforming. - Experience with analyzing on-premises mainframe More ❯

tools to accelerate and enhance the migration process, and we’re looking for developers who are excited by the opportunity to work at the intersection of legacy systems, modern development, and AI-assisted engineering. Key Responsibilities - Collaborate with the existing team to re-engineer Oracle PLSQL stored procedures into C# services. - Design and implement .NET-based components … that integrate with both legacy PHP systems and new PostgreSQL databases. - Work closely with business analysts and stakeholders to ensure functional parity and identify opportunities for enhancement. - Participate in the design of a hybrid architecture that supports phased migration. - Use AI-assisted tools to analyze, translate, and optimize legacy code. - Support BAU operations during the … Required SkillsExperience - 5+ years of experience in .NET/C# development, with a strong focus on backend services and data access layers. - Proven experience in migrating legacy systems, especially from Oracle to PostgreSQL or similar. - Strong understanding of PL/SQL and experience translating stored procedures into application logic. - Familiarity with PostgreSQL, including performance tuning and SQL More ❯

tools to accelerate and enhance the migration process, and we’re looking for developers who are excited by the opportunity to work at the intersection of legacy systems, modern development, and AI-assisted engineering. Key Responsibilities - Collaborate with the existing team to re-engineer Oracle PLSQL stored procedures into C# services. - Design and implement .NET-based components … that integrate with both legacy PHP systems and new PostgreSQL databases. - Work closely with business analysts and stakeholders to ensure functional parity and identify opportunities for enhancement. - Participate in the design of a hybrid architecture that supports phased migration. - Use AI-assisted tools to analyze, translate, and optimize legacy code. - Support BAU operations during the … Required SkillsExperience - 5+ years of experience in .NET/C# development, with a strong focus on backend services and data access layers. - Proven experience in migrating legacy systems, especially from Oracle to PostgreSQL or similar. - Strong understanding of PL/SQL and experience translating stored procedures into application logic. - Familiarity with PostgreSQL, including performance tuning and SQL More ❯

Business Systems Expert for PGMS Location: Royston, UK World-changing careers, enabled by Johnson Matthey. With more than 200 years history, join us and help to accelerate the transition to net-zero! As a Business Systems Expert, you'll contribute to JM's mission as a world leader in sustainable technology, transforming energy and reducing carbon emissions for … a cleaner, brighter future. As a Business Systems Expert for PGMS, you will help drive our goals by: Engage with the business to identify and implement IT solutions to meet complex Business requirements. Lead collaboration across multiple functional areas such as Finance, Supply Chain, Commercial and Operations to determine the optimal solution. Continuously collaborate with cross-functional project team … to strategic planning and execution of IT projects, ensuring alignment with PGMS multiyear roadmap and legacy system risks Lead continuous improvement initiatives across global legacy systems, coordinating efforts and aligning with MOM-level strategies Provide leadership and subject matter expertise to guide PGMS teams, Business Analysts, and management on system risks and priorities Oversee system More ❯

Bristol, Coventry, Leeds, Liverpool or Newcastle. Our client is seeking a Software Engineer to join our growing Digital team, where you'll help them build, modernise, and support the systems that enable us to deliver homes, funding, and services more effectively. You will contribute to the development and support of innovative solutions that address real-world housing challenges. As … part of a multi-disciplinary agile team, you'll work across modern and legacy systems, taking a hands-on role in building, integrating, and maintaining software services. You'll bring expertise in full stack development, systems integration, cloud technologies, and a commitment to continuous improvement. Responsibilities Design, build, test, and support secure and scalable software systems … working solutions Contribute to system integration, service support, and prototyping of new technologies or processes Ensure services meet security, accessibility (WCAG), performance, and usability standards Maintain and improve existing systems, including addressing technical debt and legacy challenges Share your knowledge, support community of practice activities, and help set coding standards and best practices About You Requirements Minimum More ❯

Integration Lead- Salesforce Education Cloud-Student Systems Implementation Integration Lead with experience of working on large enterprise-scale programmes, ideally in Higher Education, is needed to support a Salesforce Education Cloud, for our higher education client. The role will focus on the integration strategy and patterns, leading the development of integrations using Microsoft Azure PaaS, and support the interim … and long-term transition from legacy systems (such as SITS) to cloud-native platforms. Integration Lead- Salesforce Education Cloud-Student Systems Implementation Essential Experience Proven experience as an Integration Architect or Lead Developer on enterprise-scale programmes, preferably in Higher Education. Excellent skills in designing and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API … management, and canonical data models. Experience of integrating with Salesforce (REST/SOAP APIs, platform events) and Canvas LMS or similar SaaS platforms. Familiarity with integrating legacy systems (SITS) with modern cloud-native systems. Solid understanding of Agile delivery, sprint planning, backlog refinement, and DevOps principles. Experience with CI/CD pipelines, automated testing, and infrastructure-as More ❯

something special to the table, including you! So, even if you feel that you're close but not an exact match, we encourage you to apply. Overview The Business Systems Migration Analyst is tasked with managing and executing data migration workstreams within the Acturis insurance software platform. This role is crucial in ensuring the accurate and efficient transfer of … data from legacy systems to Acturis, while maintaining data integrity throughout the process. In this role you will support the overall implementation process, playing a key role in the successful transition to the Acturis platform. If you have a keen eye for detail and are skilled in data migration, we encourage you to apply. How you'll … and risk assessments. Compare legacy and target functionality with an open mind, adopting a best practice approach. Data Extraction and Transformation : Extract data from legacy systems using appropriate tools and techniques. Transform and cleanse data to ensure compatibility with Acturis platform requirements. Data Loading and Validation : Load transformed data into Acturis, ensuring accuracy and completeness. More ❯

Hybrid), £475-525 per day Inside IR35 Contract role for an experienced Business Data Analyst required to support a large-scale transformation programme, focused on replacing legacy systems with Salesforce CRM and delivering strategic improvements to customer data. You'll bring proven experience in data analysis, data mapping, and data migration projects within CRM or enterprise system … strong advantage. This role is for a proactive and detail-oriented Data Analyst to support a major CRM and customer data transformation, including the migration from legacy systems to Salesforce. This role will focus on analysing customer data, documenting legacy structures, identifying data quality issues, and supporting data mapping, cleansing, validation, and reconciliation activities. Working … driving insight, enabling CRM optimisation, and ensuring the integrity and successful delivery of customer data throughout the migration process. Experience Required: Proven experience supporting data migration projects, including legacy data analysis and transformation. Familiarity with data governance frameworks, including stewardship, ownership, and quality monitoring. Proficiency in SQL, Excel, python and data visualisation tools (e.g., Power BI, Tableau). More ❯

Apply online only) per day Inside IR35 Contract role for an experienced Business Data Analyst required to support a large-scale transformation programme, focused on replacing legacy systems with Salesforce CRM and delivering strategic improvements to customer data. You'll bring proven experience in data analysis, data mapping, and data migration projects within CRM or enterprise system … strong advantage. This role is for a proactive and detail-oriented Data Analyst to support a major CRM and customer data transformation, including the migration from legacy systems to Salesforce. This role will focus on analysing customer data, documenting legacy structures, identifying data quality issues, and supporting data mapping, cleansing, validation, and reconciliation activities. Working … driving insight, enabling CRM optimisation, and ensuring the integrity and successful delivery of customer data throughout the migration process. Experience Required: Proven experience supporting data migration projects, including legacy data analysis and transformation. Familiarity with data governance frameworks, including stewardship, ownership, and quality monitoring. Proficiency in SQL, Excel, python and data visualisation tools (e.g., Power BI, Tableau). More ❯

ongoing evolution of key platforms in collaboration with cross-functional teams. For this, they are looking for a technically confident developer who's comfortable working across a range of systems, technologies, and business needs. Key Responsibilities: Participate in the design, enhancement, and migration of legacy systems built in C#, VB, and Angular, using MySQL, PostgreSQL, and … maintainability, and ongoing evolution. Contribute to the implementation of modern architectures: microservices, containerised services, and serverless cloud-native components in AWS. Diagnose and resolve complex support issues in legacy applications. Contribute to Agile processes using KANBAN, ensuring transparency and delivery alignment. Document architecture decisions, deployment processes, and codebase changes clearly and thoroughly. Skills & Experience: Expertise in backend development … Javascript, HTML, CSS Strong database skills with SQL Server, MySQL, and PostgreSQL Familiarity working within a cloud environment, particularly AWS or Azure Experience maintaining and modernising legacy systems Experience working in a client-facing or business-facing technical role This is a full-time, permanent role, offering a starting salary up to £65,000 (Depending on experience More ❯

web development, ideally with experience in .NET Core, C#, and modern front-end frameworks. As the lead developer you will play a key role in reducing legacy systems, building shared libraries, and guiding the forming small internal development team in adopting best practices and modern frameworks. The Lead Developer salary & benefits: * Salary: c … the office Some of the main duties of the Lead Developer C# .NET will include: * Architect and oversee development of internal applications and services. * Lead the migration of legacy desktop and web applications to .NET Core, ensuring modularity, testability, and cross-platform compatibility. * Define and enforce coding standards, version control practices (Git), and CI/CD pipelines. Ensure … frameworks. * Proven ability to lead a small development team and enforce coding standards. * Experience with shared libraries, modular architecture, and multi-platform delivery. * Comfortable working with legacy systems and transitioning them to modern platforms. * Familiarity with CI/CD pipelines, Git, Azure DevOps, and containerisation (Docker/Kubernetes). * Strong communicator who can collaborate with internal stakeholders More ❯

actionable insight? We're looking for a Salesforce Data Analyst to support a major Enterprise Data transformation programme, playing a key role in the migration from legacy systems to the new Salesforce platform. As a Salesforce Data Analyst, you will support the successful delivery of our customer and CRM data strategy as part of a multi-year … transformation. In the early phase of the project, you'll be responsible for documenting current ('as-is') data structures, analysing legacy CRM systems, and identifying data quality issues and migration requirements. You will work across multiple teams to ensure data integrity, support effective data governance, and drive data quality during and after migration. This role is essential … processes Skills & Experience Strong background as a Data Analyst, with a focus on customer and CRM data Proven experience in data migration projects, particularly involving legacy CRM systems and Salesforce Hands-on experience with SQL, Excel, Python, and visualisation tools (Power BI or Tableau) Familiarity with Salesforce data models (Leads, Opportunities, Contacts, Accounts) Experience with Snowflake is More ❯

internal tools, customer-facing applications, integrating with APIs, and databases. You will be working across both Delphi and C# on CRM product development and support , bridging legacy systems with modern platforms, ensuring seamless integration and evolution of Procodes software ecosystem. You will be responsible for ensuring that the software features, changes and fixes implemented by the team … during feature sprints are functionally correct and stable before being deployed. Youll be creating and updating current, as well as modernising legacy technology and joining an important team within Procode. You will also be supporting the ongoing development … of other software engineers within the team. Who are we looking for ? Your in-depth knowledge of Delphi & C# and writing APIs , willbe key when bridging legacy systems with modern platforms, ensuring seamless integration and evolution of Procodes software ecosystem. Your experience working in an agile environment will allow you to integrate seamlessly into the ways of More ❯

are looking for a Technical Analyst to join a major banking transformation project. This is a hands-on technical role , ideal for someone who enjoys understanding legacy systems, digging into code, and configuring environments to support large-scale migrations to the cloud. Responsibilities: - Technical analysis of legacy systems and code. - Support in migration from … collaboration with the technical team. Requirements: - Solid knowledge of Java (preferably Java 17) . - Experience with MQ queues , servers, and technical environments. - Ability to analyze code and understand legacy banking systems. - Basic knowledge of Cobol (a plus, not a must). - Previous experience in the banking sector. Nice to have: - Spanish speaking skills - Proactive attitude - Willingness to grow More ❯

Cutover Project Manager - SAP ERP Transformation Cutover Manager, Project Manager, SAP ERP Transformation, Data migration, Integration, Cutover workstream, Success Factors, S/4 HANA, ERP implementations, Legacy systems, SAP Activate methodology, Public Sector, Change management, Business readiness, ERP go-live. Manchester – Hybrid (could consider remote for the right candidate) 6 months initial contract £400-£450 per day … go/no-go criteria, and contingency planning. Collaborate with the data migration team to track data quality, reconciliation, validation, and transformation activities. Ensure readiness of legacy systems, interfaces, SAP environments, and interfaces for the cutover. Manage mock cutovers, dry runs, and dress rehearsals to identify gaps and mitigate risks. Facilitate and chair cutover-related governance forums More ❯

change at scale-connecting data, people, and platforms to deliver measurable impact. Benefits & Extras Executive-level role with significant influence on company direction Opportunity to modernize legacy systems and build a best-in-class data environment High-impact, highly visible role reporting directly to the CIO Collaborative and forward-thinking IT leadership team Culture that values innovation … SQL Server) Overseeing data governance and stewardship frameworks to ensure quality, security, and compliance Building and leading a cross-functional team spanning engineering, BI, governance, and architecture Replacing legacy analytics tools with scalable, user-friendly platforms like Power BI and QlikSense Driving stakeholder alignment and adoption across merchandising, marketing, operations, and supply chai Championing a data-driven culture … consolidating and modernizing enterprise data environments 15+ years of experience in data analytics leadership roles Familiarity with cloud-based tools like Snowflake, Databricks, and FiveTran and legacy systems Strong communication skills with the ability to influence at all levels Proven leadership within matrixed or multi-departmental teams Background in change management and organizational transformation Retail industry 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 ❯

digital transformation. As a Solution Architect in our Digital and Data team, youll help shape the future digital state of the organisation - leading the move from legacy systems to modern platforms. Youll be central to designing robust, compliant solutions aligned with enterprise standards, acting as a gatekeeper for technical design decisions. This is a unique opportunity to … influence a major systems revamp and ensure our technology meets the evolving needs of customers and stakeholders across the region. What you will be doing. Work flexibly and with integrity to support the needs of WMCA and the Digital and Data team. Develop, deliver, and support solutions architecture across the organisation. Understand and document business needs, translating them into … and software related. A working knowledge of at least 3 of the following areas; Information and Data Management, System Design and Development, Security (firewalls, VPN, intrusion detection and prevention systems), Application Management, ERP systems, CRM systems, Networking and Microsoft Solutions, Infrastructure. Strong knowledge of network, server, storage, and virtualisation technologies. Understanding of the relevant legislative framework and More ❯

Control Systems Engineer - WinCC | Warrington | £60,000 | UK Passport Required KO2's client, a specialist in advanced control systems and is seeking an experienced Control Systems Engineer with a deep understanding of WinCC, Siemens PLCs, and redundant server architecture. This is a full-time, permanent role based onsite in Warrington. Due to the nature of the work … candidates must hold a UK passport. The Role: The successful candidate will be involved in both the design and modification of complex control systems used in managing control systems that are used to control objects of high value. Key tasks include: Developing and modifying graphical interfaces for new and legacy systems using WinCC Pro Programming … SCADA systems to interface with databases for read/write operations Working with redundant WinCC servers and multiple operator stations across a high-density tag environment Integration and control of systems using Siemens S7, TIA Portal, and STL programming Interfacing with Plant Bus and Graphical Bus environments Onsite testing, with final FAT carried out by the client before More ❯

Acturis Business Systems Analyst Insurance Glasgow This is a new and exclusive role for a Acturis Business Systems Analyst to join my thriving Insurance client based in Glasgow city centre as they expand their acturis projects team. Role details Title- Acturis Business Systems Analyst Employer: Insurance Location: Glasgow and home working hybrid Permanent role, competitive salary Overview … The Business Systems Migration Analyst is tasked with managing and executing data migration workstreams within the Acturis insurance software platform. This role is crucial in ensuring the accurate and efficient transfer of data from legacy systems to Acturis, while maintaining data integrity throughout the process. In this role you will support the overall implementation process, playing More ❯

Acturis Business Systems Analyst Insurance Glasgow This is a new and exclusive role for a Acturis Business Systems Analyst to join my thriving Insurance client based in Glasgow city centre as they expand their acturis projects team. Role details Title- Acturis Business Systems Analyst Employer: Insurance Location: Glasgow and home working hybrid Permanent role, competitive salary Overview … The Business Systems Migration Analyst is tasked with managing and executing data migration workstreams within the Acturis insurance software platform. This role is crucial in ensuring the accurate and efficient transfer of data from legacy systems to Acturis, while maintaining data integrity throughout the process. In this role you will support the overall implementation process, playing More ❯

Acturis Business Systems Analyst Insurance Glasgow This is a new and exclusive role for a Acturis Business Systems Analyst to join my thriving Insurance client based in Glasgow city centre as they expand their acturis projects team. Role details Title- Acturis Business Systems Analyst Employer: Insurance Location: Glasgow and home working hybrid Permanent role, competitive salary Overview … The Business Systems Migration Analyst is tasked with managing and executing data migration workstreams within the Acturis insurance software platform. This role is crucial in ensuring the accurate and efficient transfer of data from legacy systems to Acturis, while maintaining data integrity throughout the process. In this role you will support the overall implementation process, playing More ❯

The Opportunity Reporting to the Associate Director of Data & Systems Engineering, this senior role sits at the heart of a multi-year digital transformation programme. You'll take the lead in managing, modernising, and integrating our core finance and HR systems, working closely with our in-house Development and Data teams, alongside key stakeholders, and third-party vendors … solutions, integrations, and data pipelines using the Microsoft stack. Collaborate with global stakeholders and internal teams to define requirements, drive transformation, and ensure system integrity. Provide technical leadership in systems architecture, integration, and future-state strategy. Troubleshoot, optimise, and maintain legacy systems while managing technical debt. Work with infrastructure and data engineering teams to support associated … databases and servers. Your Background We're looking for a strong technical leader with: Proven experience working with finance systems and stakeholders in large international organisations. Deep expertise in Microsoft technologies and system integrations. A hands-on approach to development, troubleshooting, and modernising legacy systems. Excellent communication skills and experience collaborating with senior leadership. Familiarity with cloud More ❯

The Opportunity Reporting to the Associate Director of Data & Systems Engineering, this senior role sits at the heart of a multi-year digital transformation programme. You'll take the lead in managing, modernising, and integrating our core finance and HR systems, working closely with our in-house Development and Data teams, alongside key stakeholders, and third-party vendors … solutions, integrations, and data pipelines using the Microsoft stack. Collaborate with global stakeholders and internal teams to define requirements, drive transformation, and ensure system integrity. Provide technical leadership in systems architecture, integration, and future-state strategy. Troubleshoot, optimise, and maintain legacy systems while managing technical debt. Work with infrastructure and data engineering teams to support associated … databases and servers. Your Background We're looking for a strong technical leader with: Proven experience working with finance systems and stakeholders in large international organisations. Deep expertise in Microsoft technologies and system integrations. A hands-on approach to development, troubleshooting, and modernising legacy systems. Excellent communication skills and experience collaborating with senior leadership. Familiarity with cloud More ❯