26 to 50 of 77 Legacy Systems Jobs in the South East

work closely with engineers, product teams and business stakeholders to develop scalable Python services, APIs and data solutions that replace legacy systems and improve the flow of information across the business. This role offers the opportunity to make a tangible impact on a high-profile transformation programme ...

Systems Analyst Location : West London/Hampshire area - Hybrid Salary : £485 per day Inside IR35 We are seeking an experienced Systems Analyst to support a major Data Migration project within a leading Consultancy assisting on a Data migration project. Key Responsibilities as a Systems Analyst Support product … SaaS solutions. Support Operational Readiness and post-Go Live processes. Support functional and non-functional SaaS configuration. Develop requirements and solutions through detailed systems and business analysis. Support system design and development across internal teams and external vendors. Lead Systems Integration Testing and support User Acceptance Testing. Support ...

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 ...

Provide architectural assurance, risk management and technical leadership. Influence senior stakeholders and communicate complex technical decisions effectively. Support technology strategy, platform modernisation and legacy system retirement. Lead technology evaluations, RFI/RFP processes and supplier assurance. Mentor and provide technical leadership to other architects. Key experience: Senior-level ...

Architect virtualisation solutions, containerisation strategies and orchestration platforms. Design disaster recovery, business continuity and resilience architectures meeting availability requirements. Guide infrastructure modernisation programmes, legacy system migrations and technology refresh initiatives. Ensure infrastructure designs comply with security requirements, Classification Guides and defence standards. Technical Leadership & Governance Lead infrastructure technical ...

/4HANA integration. You will define migration strategy, ensure data quality, and manage end-to-end activities from legacy systems to target SAP environments. Your leadership, stakeholder management, and deep SAP data migration expertise will drive governance, testing, cutover planning, and successful go-lives across the program. ...

help banks, credit unions, and insurers design, launch, and evolve financial products dramatically faster than traditional methods. Our platform sits above existing core systems, enabling institutions to modernize without rip-and-replace, and to innovate without rebuilding from scratch. Why This Role Exists Insurance organizations are facing increasing pressure … modernize legacy systems, accelerate product innovation, improve customer experiences, and respond to changing regulatory requirements. FintechOS enables insurers to navigate this transformation successfully. As our customer footprint continues to grow, we are seeking an experienced Program Manager to lead complex customer-facing transformation initiatives across the insurance ...

finance function from first principles: own how finance operates in an AI-native, high-growth company, not as an improvement on legacy systems, but as a definition of the default state. Rebuild core processes (record to report, procure to pay, order to cash, FP&A) to eliminate … outcomes leadership needs: reduce time to close, time to forecast and time to decision. Give leadership real-time, high-quality financial insight, and build systems that scale to £100m+ revenue without breaking. Who Will Thrive In This Role You've built or redesigned finance systems and operating models ...

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. ...

Platform, Process A leading global organisation operating within complex physical market and trading environments is seeking a Business Analyst to join its Transformation and Systems function.This role will support the delivery of a significant strategic transformation programme, focusing on both the implementation of a new strategic platform … Improvement, Change or Transformation roles - max experience up to 7-8 years Experience within Commodities is a must Experience working with legacy systems Platformmigration experience Financial services experience Experience gathering and documenting business requirements, process maps, and stakeholder needs. Good understanding of operational process ...

activities and strategies in the area work together to create value for the customer/end user Changing and Improving Find ways to improve systems and structures to deliver with more streamlined resources Regularly review procedures or systems with teams to identify improvements and simplify processes and decision … Service Make effective use of project management skills and techniques to deliver outcomes, including identifying risks and mitigating actions Develop, implement, maintain and review systems and service standards to ensure professional excellence and expertise and value for money Work with team to set priorities, goals, objectives and timescales Establish ...

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 ...

with stakeholders to understand how data and processes relate Conduct structured stakeholder interviews and workshops Extract implicit knowledge from SMEs documentation legacy systems Identify inconsistencies, gaps and duplication across data sources Define entities, relationships and semantics across domains Translate unstructured understanding into structured artefacts (models, diagrams, definitions … models to underpin knowledge graphs Support the creation of ontology and taxonomy models Enable downstream teams to build knowledge graphs RAG pipelines AI retrieval systems Public sector background Location: Remote with key meetings in Manchester or London (~1 a month) No active SC needed but may require them ...

deploy critical "box" network security hardware to safeguard our infrastructure against modern threats. The WAN Upgrade: Rip out and upgrade legacy systems to modern Wide Area Network (WAN) infrastructure, preventing critical telephone connectivity drops and ensuring our remote treatment and process sites stay online 24/7. …/multimode fiber). Power & Protocol Management: Working hands-on with a mix of 230v AC, as well as 24v and 48v DC power systems used by low-voltage routers, switches, and sensors. High-Level Support: Backing up the IT Helpdesk by providing expert 2nd and 3rd line support ...

decision making. You will own revenue reporting quality, support forecasting, build scalable dashboards and data products, and harmonize data models across legacy systems in a post‐merger environment. #J-18808-Ljbffr ...

role includes owning and building a DevOps function, leading both a software engineering and operations team, and guiding migration from legacy systems to a modern cloud stack. You’ll own incident management, deployment practices, and BAU product development, while coordinating with CTO and peers to split ...

sockets and Event Driven Development (EDA) to join a small, collaborative team responsible for building a modern trading application to replace an existing legacy system Details Location - London Hybrid - 3 days/week in office Duration - Initially 6 months with a strong possibility of extension Rate ...

Event Driven Development (EDA) t o join a small, collaborative team responsible for building a modern trading application to replace an existing legacy system Details Location - London Hybrid - 3 days/week in office Duration - Initially 6 months with a strong possibility of extension Rate - £700-£800/ ...

team initiative overseeing the on-boarding and implementation of a new system. This role is critical in ensuring a smooth transition from the legacy system, while driving adoption of new tools and ways of working. In addition to delivery, this role will provide clear commercial oversight ...

journey. The foundations are in place, customers are using the technology, and the engineering team is now scaling both the platform and the systems behind it. They're looking for a Senior Backend Engineer who wants to be close to the product, customers and technical decisions rather than owning … small component within a much larger organisation. You'll be joining a highly technical engineering team and working on problems across AI, distributed systems, enterprise data and performance engineering. This is a hands on role with genuine ownership. You'll help determine how the platform evolves as usage, customers ...

months initial contract, minimum 12 months scope Hybrid: Once a week travel into London The programme A major finance transformation replacing legacy systems with Microsoft Dynamics 365 Finance & Operations in a public sector body. Delivery is underway and the programme is now approaching UAT, with go-live … programme level on complex transformation, client-side or in an advisory capacity, and can point to occasions where you have challenged a systems integrator on technical grounds and made it stick. Experience of finance operating model design and business readiness will be expected. Beyond the technical bar, this ...

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 ...

Atomic Energy Authority (UKAEA) seeks a UNIX Solaris Specialist to provide expert direction for Solaris platforms, ensuring legacy systems are secure, stable and aligned with scientific and operational needs. The role balances operational continuity with technical debt and transition priorities. The role is based at Culham, Oxfordshire ...

will play a key role in understanding banking application data, mapping data across workstreams, and ensuring accurate and compliant migration from legacy systems to new solutions. This is an onshore UK-based role with direct engagement across engineering, business, and compliance stakeholders. #J-18808-Ljbffr ...

heavily in the UK and is now entering an exciting phase of accelerated growth. Their solutions are helping care organisations modernise legacy systems, improve resident outcomes, increase operational efficiency and make better-informed clinical and business decisions. The technology delivers a clear and measurable impact, while ...