7 of 7 Legacy Systems Jobs in Reading

join RSM UK on a 9-month FTC. This role will be accountable for planning, leading and controlling the successful transition from existing systems to new systems across a complex enterprise applications environment. The role will establish and manage the cutover strategy, detailed runbooks, readiness criteria, control approach … live with minimal disruption to business operations. Following successful cutover, the role will also establish the timetable for controlled decommissioning of legacy systems, ensuring appropriate business, technical, data, audit and operational controls are in place before retirement. Key Deliverables Cutover strategy, governance model and integrated cutover plan ...

incumbent payroll provider to a new provider. You’ll lead the payroll data workstream, ensuring accurate extraction, mapping, cleansing, validation, and migration across multiple systems including Workday, UKG, and the new payroll platform. Key Responsibilities Data migration leadership — Own the payroll data migration strategy, plans, timelines, and delivery. Data … analysis & cleansing — Perform detailed validation, reconciliation, and quality checks. Data mapping — Map data between legacy systems, UKG, Workday, and the new provider. Migration cycles — Execute mock migrations, testing cycles, and final cutover. Issue resolution — Identify and resolve data discrepancies and risks. Testing support — Support UAT, parallel runs ...

delivery processes. Led the build-out and ongoing evolution of high-traffic Ruby on Rails platforms supporting significant commercial throughput. Modernised legacy systems while ensuring uninterrupted business operations. Introduced AI-powered enhancements to improve customer journeys and internal operational efficiency. Collaborated with stakeholders across pricing, quoting ...

study teams can begin work in a ready and reliable environment. You will support programming teams during onboarding, transition from legacy systems, and ongoing operations as a first-line technical contact. You will improve lifecycle management and workflows by documenting processes, supporting validation activities, and automating practical … understand SDLC, validation, audit readiness, and compliant configuration expectations. You can communicate clearly with technical teams and business stakeholders, while tracking setup processes across systems and teams. You bring practical experience with tools such as Domino Data Lab, SAS, R, Git, Azure DevOps, VS Code, or SAS Studio. ...

highly secure S/4HANA platform, you will develop custom enhancements, reports, interfaces, and CDS views, while debugging complex code to keep critical systems running smoothly. Rather than getting stuck on legacy systems, this role offers hands-on exposure to modern SAP development tools (such ...

Pertemps Thames Water, is a full-time contract paying £400 daily. This role supports existing People Analytics reporting and the shift toward SuccessFactors-based systems, preserving historical output while building new capabilities. Responsibilities include gathering HR reporting requirements from stakeholders and developing interactive Story Reports. Strong expertise … complex information into actionable insights, ensuring continuity of legacy reporting and advancing analytics functions. This contract suits an analyst experienced in HR systems and modern visualisation tools. We are seeking a talented and highly motivated Data Analyst with experience of SAP Success Factors to join our dynamic ...

Solutions Ltd in Reading seeks an experienced BizTalk/.NET integration consultant to design and implement integration solutions across portals, B2B partners and legacy systems. You will work within an onsite/offshore delivery model, participate in architecture discussions, and develop schemas, pipelines, mappings, and orchestrations while driving ...