1 to 25 of 26 Legacy Systems Jobs in the Thames Valley

leadership while serving as trusted leader/advisor, trainer and "Go To" person for the solution, both technically and strategically. Lead the implementation, customization, and ongoing optimization of enterprise systems, including Workday, Navision, Sub Hub, Informatica, and PeopleSoft, ensuring they align with business needs and industry best practices. Ensure scalability, security, and compliance by applying best practices in enterprise … with business units and IT stakeholders to assess current processes, identify gaps, and implement solutions that drive efficiency and innovation. Lead migration and upgrade projects for legacy systems, ensuring minimal disruption and maximizing system adoption across teams. Leverage AI/ML and analytics capabilities to enhance reporting, forecasting, and decision-making within these platforms. Lead end-to … end digital transformation initiatives, modernizing legacy systems and migrating critical business applications to cloud platforms. Ensure seamless data migration, system integrations, and performance tuning for high availability environments. Ensure we build solutions that leverage our cross-practice expertise and drive client value and CDW differentiation What we expect of you Minimum basic requirements 10+ years of experience More ❯

ASAP for 6 months - likely to extend About the Role We’re partnering with a financial client that’s undertaking a large-scale data transformation, modernising legacy systems and building a unified analytics platform in the cloud. As part of this initiative, you’ll play a key role in developing and optimising a Snowflake-based data warehouse … and delivering high-quality visualisations and reporting through Power BI. The role offers the chance to work on greenfield architecture, migrate legacy SQL Server solutions and collaborate closely with senior stakeholders on complex, high-impact data initiatives. What You’ll Be Doing Design, develop and maintain data pipelines and models using Snowflake, dbt and Python. Enhance … and support Power BI dashboards and data models, ensuring performance, accuracy and user accessibility. Contribute to the migration of legacy SQL Server (SSIS/SSAS/SSRS) systems into a modern Snowflake/Power BI environment. Work collaboratively with business users to understand requirements, translate them into technical solutions and deliver robust, scalable data products. Implement CI More ❯

Technical Business Analyst - Insurance Claims Systems Location: Hybrid – London (2 days on-site) Salary: Up to £120,000 + full package Company: Leading InsurTech Industry: Lloyd’s/London Market Insurers About the Company: Join a forward-thinking InsurTech organisation that is transforming the Lloyd’s and London Market insurance landscape. Our client works with leading insurers to deliver … complex claims transformation and implementation programmes, modernising legacy systems and improving operational efficiency across the market. They are now seeking a Technical Business Analyst to join their expanding Claims Systems practice, working at the forefront of digital transformation in insurance. Key Responsibilities: Act as the bridge between business stakeholders and technical teams throughout the claims system … improvement of claims handling processes and system performance. Skills and Experience: Proven experience as a Business Analyst or Technical Business Analyst within the insurance sector. Strong background in claims systems (such as Guidewire, Sequel Claims, Sapiens, or bespoke Lloyd’s Market platforms). Deep understanding of Lloyd’s and London Market processes, data flows, and regulatory requirements. Technical proficiency More ❯

Engineer to join a major cloud transformation programme for a global logistics and maritime services organisation. This role sits within a high-performing engineering team responsible for migrating core systems and services to the cloud a key strategic initiative that drives scalability, resilience, and global efficiency. The Role You’ll play a pivotal role in architecting, automating, and supporting … long-term sustainability. Key Responsibilities Lead infrastructure design and deployment using Terraform (IaC) Build and manage Kubernetes clusters to support containerised workloads Support the migration of legacy systems to cloud platforms (AWS, Azure, or GCP) Develop and optimise CI/CD pipelines for cloud-native delivery Create automation scripts and tools — ideally using Python Implement monitoring, alerting More ❯

Lead a Mission-Critical Workforce Transformation Are you ready to spearhead one of the most significant workforce systems transformations in the UK? Our client, a leading Business Services organisation, is seeking an exceptional Lead Kronos Specialist to drive their multi-million-pound migration from legacy systems to cutting-edge SaaS platforms. This isn't just another … you'll be the technical architect of a nationwide transformation programme, directly impacting thousands of employees across the UK. As the bridge between legacy and future-state systems, you'll shape how an entire organisation manages its workforce. What You'll Own & Deliver: 🏗️ Technical Leadership Drive the complete migration from Kronos Workforce Central to UKG Pro Workforce … contract with strong extension possibilities ✅ Competitive Package: Exceptional remuneration reflecting the role's strategic importance Ready to lead the future of Workforce Management? If you're a seasoned workforce systems professional who thrives on complex challenges and wants to leave a lasting impact on a major UK organisation, this is your moment. Apply now to join a transformation that More ❯

based on experience) - Hybrid working (3 days in office). This person will lead engineering and DevOps across the banks Cross-Product Platforms, providing technical and strategic direction for systems supporting key Group Functions such as Risk, Finance, and Regulatory Reporting. The Head of Engineering will oversee a distributed team of 30+ engineers and developers across London, Dublin, and … India, driving high-quality software delivery, modernising legacy technology, and establishing consistent engineering and platform standards. The role requires a seasoned technology leader with experience in large, global banking environments, strong stakeholder management skills, and the ability to lead … transformation across complex, multi-domain environments. Key requirements: Proven background managing globally dispersed engineering teams (20-30+ heads) in global banks. Experience with Microsoft-based legacy systems (.NET, C#, SQL, Azure, on-prem/cloud) and emerging technologies including Linux, Java, microservices, and containerisation (Docker, Kubernetes, Helm, Camunda). Proficiency in CI/CD pipelines (Jenkins More ❯

the firm’s most strategically important investment areas. As part of this team, you’ll design and deliver production-grade Python applications that automate workflows, modernise legacy systems, and bridge the gap between current and next-generation infrastructure. You’ll work directly with stakeholders across investments, risk, finance, and operations, driving tangible business impact through technology. Responsibilities … Build and maintain Python-based tools supporting mortgage analytics, valuation, and reporting. • Develop production-grade applications and contribute to the migration of legacy models. • Identify automation opportunities across data pipelines, analytics, and reporting. • Collaborate with business teams to gather requirements and deliver scalable solutions. • Champion best practices in testing, documentation, and maintainability. Requirements • Strong proficiency in Python • Experience More ❯

GIS platform (ArcGIS Enterprise, ArcGIS Online, etc.). Define system architecture, data flows, and integration points with enterprise systems. Lead the migration and consolidation of spatial datasets from legacy systems. Spatial Analysis & Planning Develop spatial models for energy planning, environmental impact assessments, and economic forecasting. Integrate community feedback and preferences into spatial decision-making tools. Create interactive dashboards More ❯

multi-channel retailer, offering incredible products for every occasion. The Role My client are going through an enterprise-wide modernisation which will include the upgrading of legacy systems, re-platforming their ecommerce solution, the implementation of a new CRM & marketing solutions and other customer engagement technologies. Key Responsibilities Architecture Leadership : Define and lead solution architecture for transformational More ❯

a solid overview of the current environment and developing future technology roadmaps - Working with senior stakeholders and 3rd party technology providers - Planning the move away from legacy systems to new digital technology and cloud migration To be considered suitable for this IT Enterprise Architect role you will need to have the following skills and experience: - A strong More ❯

a solid overview of the current environment and developing future technology roadmaps - Working with senior stakeholders and 3rd party technology providers - Planning the move away from legacy systems to new digital technology and cloud migration To be considered suitable for this IT Enterprise Architect role you will need to have the following skills and experience: - A strong More ❯

in collaboration with the teams. Technical Leadership Own the architecture of the company's data platform, ensuring scalability, reliability, and security. Drive modernisation by transitioning from legacy systems to a lean, scalable platform. Act as a lead expert for technologies such as AWS, DBT, Airflow, and Databricks. Establish best practices for data modelling, ingestion, storage, streaming, and More ❯

target operating model (TOM) and associated Capability Architecture. This position will also have a focus on aligning business processes and capabilities to enable the replacement of legacy systems and support a wider business transformation, defining architectural principles and supporting the business case for the ERM/ERP programme. For this role you must have experience in providing More ❯

practices A proactive mindset with a passion for learning and improving Nice to have Experience leading small delivery teams or projects Background in modernising or migrating legacy systems Familiarity with Azure Pipelines , MSBuild , and CI/CD practices Experience with ASP.NET MVC or WCF Services Desktop experience with WinForms or WPF Knowledge of web accessibility and responsive More ❯

Why This Role? Be part of a major transformation journey, including live programmes and upcoming finance transformation. Work with cutting-edge technologies in a fully modernised environment - no legacy systems. Influence the future of data and AI strategy under dynamic leadership. Benefit from established governance and support structures, with external partners in place for the next two years. More ❯

Why This Role? Be part of a major transformation journey, including live programmes and upcoming finance transformation. Work with cutting-edge technologies in a fully modernised environment - no legacy systems. Influence the future of data and AI strategy under dynamic leadership. Benefit from established governance and support structures, with external partners in place for the next two years. More ❯

The platform acts as a “man in the middle” solution, empowering users with flexible scheduling , cached package delivery , and a consistent, user-friendly experience - solving the challenges of legacy System Center deployments and clunky update processes. With rich telemetry, direct user engagement, and a modern interface, WSM is redefining how enterprise device management should feel. 💼 The Role This More ❯

1️⃣ Senior Manager – Insurance Architect | London | Up to £115k + Package | Hybrid Insurance firms are under pressure to modernise — legacy systems, regulatory change, and shifting customer expectations mean transformation needs both strategic vision and technical precision . That’s where this Senior Manager-level role comes in. You’ll join a leading consulting practice, helping major insurers More ❯

experience delivering complex IT transformation programmes in large, global organisations. Strong track record of mainframe modernisation , ideally involving BlueAge or similar technologies – very desirable. Experience migrating legacy systems to public cloud environments – desirable. Demonstrated ability to manage multi-vendor delivery models and complex stakeholder landscapes. Experience in the reinsurance or insurance sector , ideally with exposure to broking More ❯

for a major digital transformation programme. This role ensures readiness across business and technical teams, manages governance and stakeholder alignment, and oversees the successful transition from legacy systems to new services. Key Responsibilities Cutover Preparation Drive the development and sign-off of the Cutover Strategy and Cutover Design. Ensure ECC (Enterprise Command Centre) setup is completed and More ❯

reliability, and commitment to shaping a more sustainable future through advanced technology and customer-focused solutions. Description Lead the European rollout of Marketing Cloud CRM, replacing legacy systems and enabling cross-market campaign orchestration. Design a shared CRM framework with core journeys for consistency and campaign-level flexibility for local relevance. Drive sales impact through CRM improving More ❯

Type: Permanent/Client-Facing Role About the Role Entasis Partners is supporting a leading consultancy to secure an experienced Enterprise Architect to drive technology and platform strategy, legacy system modernisation, and M&A integration initiatives. This is a high-impact, client-facing role where you’ll partner with senior stakeholders to define technology roadmaps, rationalise complex IT … technology and platform strategies to support business transformation objectives. Lead legacy system modernisation, including cloud migration, platform consolidation, and process optimisation. Drive M&A integration initiatives, aligning systems, data, and processes across organisations. Advise on enterprise architecture frameworks and best practices to ensure scalable, secure, and future-ready IT landscapes. Mentor and guide cross-functional teams, fostering … senior stakeholders. What We’re Looking For from the Lead Enterprise Architect Proven experience as an Enterprise Architect focused on technology and platform strategy. Hands-on experience with legacy system modernisation, cloud platforms (Azure, AWS, GCP), and IT transformation programmes. Experience leading or supporting M&A integration projects, including system consolidation and rationalisation. Strong stakeholder management and influencing More ❯

Technology is at the heart of this fast-growing digital bank — powering the systems that make business banking simpler, faster and smarter. This role is about setting the technical direction across payments, shaping scalable systems, and helping engineering teams deliver consistently high-quality software. What You’ll Be Doing: Define and implement technical standards that span multiple teams … Experience working with micro frontends or Nx, and partnering closely with design teams. What’s in It for You: Work in a modern, agile engineering environment free from legacy systems. Real influence on technical direction, architecture and standards. Supportive, collaborative culture built around ownership and transparency. Opportunity to mentor, innovate and shape how a growing engineering function operates. More ❯

Technology is at the heart of this fast-growing digital bank — powering the systems that make business banking simpler, faster and smarter. This role is about setting the technical direction across payments, shaping scalable systems, and helping engineering teams deliver consistently high-quality software. What You’ll Be Doing: Define and implement technical standards that span multiple teams … Experience working with micro frontends or Nx, and partnering closely with design teams. What’s in It for You: Work in a modern, agile engineering environment free from legacy systems. Real influence on technical direction, architecture and standards. Supportive, collaborative culture built around ownership and transparency. Opportunity to mentor, innovate and shape how a growing engineering function operates. More ❯

that is consolidating acquired data centres, innovating service models, and scaling rapidly. You’ll lead the harmonisation of different operating models into a unified, scalable platform—creating both strategic systems and people-first solutions. Your Impact: Operational Leadership: Redesign and optimise operations across multiple business units/data centres, ensuring scalability, consistency, and resilience as the company expands both …/end-to-end facility operations; can assess staffing models, workflow tools, SLA management, and vendor relationships. Track Record: Success at unifying disparate legacy operations into cohesive systems; experience with greenfield and brownfield assets is highly valued. Leadership: Natural team builder with strong people and change management skills—known for bringing diverse groups together and inspiring followership. More ❯