76 to 100 of 347 Legacy Systems Jobs in London

loaded into Workday, ensuring consistency with source systems. Engage regularly with clients throughout the project lifecycle, ensuring a smooth transition from legacy systems to Workday Financials. Manage multiple tasks with limited direction while keeping stakeholders informed of progress, risks, and issues. Participate in training and internal knowledge ...

future growth of the Canada Life UK business. We are on a journey of simplifying our IT estate, removing our legacy systems and delivering innovative solutions through Cloud adoption, AI and expanding our digital services. As a member of the CLUK Product Engineering team, you will ...

About RipplingRippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle … help make that vision a reality.In this high-impact role, you’ll be at the center of transforming Rippling’s global payroll engineering systems, leveraging and building AI-native solutions and modern engineering practices to unify and scale payroll operations across multiple countries. You’ll play a key role ...

responsible for everything to do with the trading backend services such as the matching engine, market data gateways, internal and external APIs, margin systems and various other trading services. The team is located globally and responsibilities are split into sub-teams, working with various tech stacks. Our teams code … Lead and grow a team of 8-10 engineers owning core trading backend services, including the matching engine, market data gateways, and order entry systems Guide the team through the ongoing evolution of our trading stack, from legacy systems to their modern replacements Stay technically close ...

guidance. Develop security measures and designs to deliver security improvements Provideexpert guidance oncommon OT cyber security challenges such assecure integration of IT/OT systems,cloudconnectedOT, remote access,protecting legacy systems,and emerging technologies). Develop and review system hardening standards, network segmentation designs, asset management ...

drive significant advancements in our business operations and technology landscape. Our primary goal is to transition from our current reliance on legacy systems and specialized off-the-shelf tools to a more integrated, AI-driven, and data-centric operational model. Leveraging insights and guidance from our other … efficient, data-driven organization. About the role We’re looking for a Data Engineer who can own the journey of data from source systems to decision-ready outputs. You’ll build and maintain pipelines, model data, stand up dashboards, and integrate systems via APIs. In a team this ...

infrastructure strategy, delivery, and scale across low-latency trading systems.This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. You’ll lead a small but senior infrastructure function with real autonomy and impact.The RoleOwn infrastructure architecture … Direct Connect, Transit Gateway, CloudFormation)Networking: BGP, OSPF, MPLS, VLANs, VPNs, SD-WANFirewalls and network security (Cisco ASA, Fortinet or similar)Linux and Windows systems engineeringMicrosoft services and identity (AD/Entra ID)CI/CD (GitLab CI or similar)IaC and automation (CloudFormation, Ansible, Terraform)Monitoring/Observability ...

infrastructure strategy, delivery, and scale across low-latency trading systems.This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. You’ll lead a small but senior infrastructure function with real autonomy and impact.The RoleOwn infrastructure architecture … Transit Gateway, CloudFormation)Windows ServerActive DirectoryNetworking: BGP, OSPF, MPLS, VLANs, VPNs, SD-WANFirewalls and network security (Cisco ASA, Fortinet or similar)Linux and Windows systems engineeringMicrosoft services and identity (AD/Entra ID)CI/CD (GitLab CI or similar)IaC and automation (CloudFormation, Ansible, Terraform)Monitoring/Observability ...

technology stack, including the engineering and customisation of Braze, the platform we use for customer engagement. The mandate is modernisation and reliability: re-architecting systems that have grown very quickly and making them dependable at a scale of more than 20 million users. This is a platform engineering … organisation through other engineering leaders, rather than running a single team. You have proven platform engineering experience at scale - building and running complex distributed systems, not feature delivery alone. You have navigated legacy migrations and re-architecture projects at 20M+ user scale. You have strong backend engineering ...

make their data usable, governed, secure, discoverable,high-qualityand accountable. It is particularly relevant in sectors where data is fragmented across legacy systems, suppliers, operational silos, secureenvironmentsor regulated business processes. Yourspecialismsshould cover data governance, master data management strategy, data quality, data ownership, metadata, information management … primes, aerospace, aviation, space, secureengineeringor complex supply-chain data environments. Financial services, insurance, healthcare,telecomsor other data-intensive regulated sectors. Organisations with large legacy estates, fragmented data ownership, complex supplierecosystemsor high audit/regulatory scrutiny. Desirable experience Knowledge of DAMA-DMBOK, DCAM, EDM Council ...

Migration Lead, you will be responsible for leading the end-to-end migration of finance data, ensuring a successful transition from legacy systems to Oracle Fusion. Working closely with Finance, Digital Technology, business stakeholders, and implementation partners, you will oversee migration planning, data quality, testing, reconciliation, cutover … this drives our excellence. Guided by our values and alignment with the UN Sustainable Development Goals, we create and contribute to equitable spaces and systems, while cultivating a sense of belonging for all. Our internal employee networks support our inclusive culture: from race, ethnicity and cross-cultural working ...

management activities with internal and external stakeholders. Lead the design of scalable, modular, and resilient BSS/OSS solutions, integrating with legacy systems and modern platforms. Oversee solution architecture workstreams across multiple delivery teams and ensure consistency with target state architecture. Translate business and operational requirements into ...

roadmap.·Designing analytical, semantic and reporting data models.·Creating data maps and data-flow documentation.·Shaping the future migration from legacy systems to a modern data platform.·Ensuring data is secure, accessible, reliable and effectively governed.·Translating business priorities into practical architectural decisions.·Working closely with Data ...

across modern cloud environments. Develop conceptual, logical and physical data models, including dimensional and relational modelling. Integrate modern cloud platforms with legacy systems to enable seamless data access and reporting. Establish architecture standards covering security, governance, scalability, performance and cost optimisation. Lead technical design, architecture governance ...

community of practice and staying current with Salesforce platform evolutionProvide 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 Salesforce environments.Strong ...

unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Systems Accountant Full Time Little Russell St, London, City of, GB COMPANY OVERVIEW Markmonitor Group, is a premier provider of enterprise domain portfolio management, brand protection, domain … footprint involves cross-border transactions, digital services delivery, intellectual property management, and compliance with diverse regulatory and tax regimes worldwide. JOB SUMMARY The Group Systems Accountant is the single accountable owner of Microsoft Dynamics 365 Finance across Markmonitor Inc. and the Com Laude Group. The role sits ...

Technology portfolio; translate business intent into a concrete, milestone-driven execution roadmap with measurable outcomes* Develop architecture blueprints and end-to-end systems design for Generative AI and agentic workflows across diverse operational domains* Build the shared AI platform — reusable models, tooling, guardrails, evaluation frameworks, and accelerators — that reduces … prompt engineering, retrieval-augmented generation (RAG), vector database design, and evaluation methodologies. You understand how models behave in production, not just in demos.* Agentic Systems Design:Proven experience designing and deploying multi-agent architectures and orchestration frameworks (e.g., LangGraph, AutoGen, CrewAI); tool-use patterns, human-in-the-loop workflows ...

seen what technology can do. Now, imagine building the systems to make it happen from the ground up. An organisation dedicated to building public trust and setting professional standards is at a crossroads. Despite their critical mission, they’ve never had a dedicated Business Analysis team. Instead, this … enhance user experience. It’s not just about solving today’s technology challenges, you’ll be reshaping how the organisation operates, turning aging systems into a strategic asset that drives trust, efficiency, and innovation. Why this role stands out: This isn’t about maintaining systems and processes ...

Physical Electronic Security Systems Genetec EngineerSalary Range: CompetitiveLocation: City of LondonThe RoleWe are seeking an experienced Genetec security engineer to play a pivotal role within a client team based in the City of London. You will oversee and drive the successful mobilisation and delivery of access control and CCTV … projects across the client’s portfolio. This position will involve supporting enterprise-level application implementations, managing migrations from legacy systems, and providing expert troubleshooting. The ideal candidate must excel in multitasking and thrive in a fast-paced, dynamic environment. This is an on-site role requiring ...

evolving a global finance function within a complex, multi-entity organisation. This role sits at the intersection of financial operations, commercial insight, and systems architecture. You will be instrumental in consolidating data across a complex legacy systems landscape, building commercial intelligence platforms, and stress-testing financial … design and implement governance frameworks, processes, and methodologies, the real impact comes from validating what works; challenging assumptions with rigor, and build systems that connect sources into a single source of truth for the business. Key Responsibilities:Design and deliver a consolidated financial reporting platform, bringing together data from ...

collaboration across networks, domains, and allies, while ensuring the data powering AI and advanced analytics remains trusted and protected. We don’t just defend systems; we deliver decision dominance. Our Purpose Protect what matters most by enabling organizations to operate security in the most complex and high-risk digital … improve development speed, test coverage, documentation, and reduce manual effort. Prototype quickly to de-risk ambiguous or complex problems. Ramp up fast in unfamiliar systems—map key components, ask good questions, and contribute early. Work as a guest engineer in other teams’ codebases, aligning on scope, following conventions ...

/20 prioritization discipline ERP Modernization Leadership (Global Accountability) Lead the global Acumatica rollout across all sites Govern ERP standardization, eliminating: legacy systems, site-specific deviations Ensure ERP becomes: Single source of truth for core business processes Foundation for data and analytics Supervise execution through: Data/… reporting framework Lead the design and evolution of the divisional data platform, ensuring: Integration of data across ERP (Acumatica), supply chain, and shop floor systems Elimination of siloed and spreadsheet-based reporting Creation of a single, reliable data foundation for decision making Drive adoption and standardization of key technologies ...

infrastructure strategy, delivery, and scale across low-latency trading systems.This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. You’ll lead a small but senior infrastructure function with real autonomy and impact.The RoleOwn infrastructure architecture … Direct Connect, Transit Gateway, CloudFormation)Networking: BGP, OSPF, MPLS, VLANs, VPNs, SD-WANFirewalls and network security (Cisco ASA, Fortinet or similar)Linux and Windows systems engineeringMicrosoft services and identity (AD/Entra ID)CI/CD (GitLab CI or similar)IaC and automation (CloudFormation, Ansible, Terraform)Monitoring/Observability ...

assurance of delivery quality. Specific responsibilities are as follows: Engineering Leadership & Delivery Public-facing web platforms, customer-focused channels and digital services. Internal business systems and integrations. CRM and Dynamics-based solutions. Ensure predictable, high-quality delivery against agreed roadmaps and priorities. Balance pace, quality, and sustainability … solutions. Track record of improving engineering delivery, quality, and reliability. Familiarity with cloud-based platforms and modern integration patterns. Experience modernising legacy systems pragmatically. Proven experience leading continuous improvement initiatives across a complex organisation. Experience working in complex, regulated, or mission-critical environments. Strong analytical and problem ...

clients in the financial services sector. Задачи: Design, develop, and deliver transformational projects for clients Work with Kafka messaging Migrate legacy systems to AWS Introduce CI/CD pipelines and cloud deployments Contribute to engineering best practices and continuous improvement of client systems Interact with clients ...