251 to 275 of 569 Legacy Systems Jobs in the UK

Senior PLC Engineer - Siemens Embedded Systems Hybrid (Isle of Wight) £70,000 Fast-Growing Tech-Driven Engineering We're partnering with a cutting-edge manufacturing leader seeking a Senior PLC Engineer/Developer with strong expertise in Siemens PLCs and embedded systems. This is a permanent role offering a mix of innovation, legacy system support, and leadership … responsibilities. Key Responsibilities: Design and develop Siemens PLC-based control systems for bespoke monitoring solutions. Lead technical improvement of PLC libraries and mentor junior engineers. Collaborate with cross-functional teams and external partners. Drive innovation and integrate modern DevOps practices into development. Requirements: Extensive Siemens PLC programming experience. Strong background in embedded control systems and full project lifecycle. More ❯

environment using a wide array of different technologies: Microservices Dynamic data schema and SQL Server Newer technologies: .NET 8 and ReactJS Older technologies: .NET framework, AngularJS, and jQuery Design systems: Carbon You will have a structured career path supporting your technical growth from your starting position to Software Architect. What is CAS? CAS is an employee-owned software company … take pride in enhancing Workpro for everyone. We foster innovation and creativity to improve our product, keeping our skills current with the latest technologies. We support legacy systems, working with both older and newer technologies to maintain and extend the system. Ownership and pride in our work are core values. We collaborate to fix issues and celebrate … hours and compressed work schedules are supported. Short-term international work is possible, depending on circumstances. Duties Activities include: Implementing new features Fixing bugs Writing automated tests Supporting build systems Collaborating with analysts and product owners Deploying releases Modernizing legacy system components Customer support Technical documentation Out-of-hours support may occasionally be required, with a rota More ❯

locations, so a driving license is required. Role Key responsibilities: Coding new and modifications existing reports with Sage X3, Crystal Reports, Sage Enterprise Intelligence (SEI) and other tools Testing systems written internally and externally to ensure they work as needed and fulfil the aims of the system Our primary system is an Extract-Translate-Load (ETL) system. It processes … data from customers and suppliers, converting it into a standardized format for integration into our internal systems. We perform the reverse operation, transforming data from our systems into various formats for external consumption. In 2025 - 2026 will we be replacing this system with a new in-house system. We will need to gather the new requirements and reverse engineer … parts of the legacy system. The apprentice will assist in developing this system. You will gain exposure to the following systems at Rowlinson: Development: Sage X3 MS SQL Python SharePoint General: Microsoft Office FreshService Ticket System Microsoft Teams Cloud-based telephone system Windows desktop Windows server Hyper-V Exchange On-Line Bespoke software written in-house. Additional More ❯

based team. This is a full-time, permanent position , based fully onsite in central London 5 days a week , offering a unique opportunity to take ownership of core backend systems that power a world-class security platform . In this role, you’ll be instrumental in designing, building, and optimising high-availability backend services that underpin critical cybersecurity capabilities … while also bringing technical leadership to the team. Operating at scale, you're work will have a huge impact on systems used by major enterprises and governments worldwide . You’ll work hands-on with a sophisticated tech stack including Java , Spring Boot and more . You’ll lead initiatives to enhance existing platforms while working on greenfield projects …/CD, cloud infrastructure (AWS/GCP/Azure). Strong grasp of software security principles, system performance optimisation, and infrastructure reliability. Experience working on large-scale, production-grade systems with distributed architectures. Nice to Have: Exposure to tools like Elasticsearch/Kibana, Hadoop/HBase, OpenSearch, or VPN/proxy architectures. Ideal Candidate will: Bring technical vision, initiative More ❯

based team. This is a full-time, permanent position , based fully onsite in central London 5 days a week , offering a unique opportunity to take ownership of core backend systems that power a world-class security platform . In this role, you’ll be instrumental in designing, building, and optimising high-availability backend services that underpin critical cybersecurity capabilities … while also bringing technical leadership to the team. Operating at scale, you're work will have a huge impact on systems used by major enterprises and governments worldwide . You’ll work hands-on with a sophisticated tech stack including Java , Spring Boot and more . You’ll lead initiatives to enhance existing platforms while working on greenfield projects …/CD, cloud infrastructure (AWS/GCP/Azure). Strong grasp of software security principles, system performance optimisation, and infrastructure reliability. Experience working on large-scale, production-grade systems with distributed architectures. Nice to Have: Exposure to tools like Elasticsearch/Kibana, Hadoop/HBase, OpenSearch, or VPN/proxy architectures. Ideal Candidate will: Bring technical vision, initiative More ❯

with patience and enthusiasm. Strong interpersonal, organizational, and project management skills are essential. KEY RESPONSIBILITIES: Travel with a team to install, upgrade, and convert data from legacy systems to our software. Collaborate with dealership management to tailor software configurations to their business needs. Deliver both group and individual training sessions for dealership personnel. Prepare for future installations … offers significant interaction, responsibility, and the opportunity to develop project management skills. REQUIREMENTS: University degree in any discipline, Accounting preferred, but not essential Accounting knowledge or experience in accounting systems preferred, but not essential Full driving license Excellent presentation and communication skills are essential Strong attention to detail Problem solving and analytical skills Ability to work in a team More ❯

SSRS and SSAS ?" SSIS is very important for this position. Must be an excellent problem solver and adept writing documentation for all projects. You ideally have worked on banking systems particularly Core Banking. Responsible for the development and delivery of new systems to automate and streamline processes required by different departments. To support the internal IT department with … changes and upgrades to software platforms. To be primary contact for all technical questions relating to in-house bespoke systems and interfacing. Analysis of issues pertaining to problems or errors raised by in-house systems, i.e. CORE, SharePoint interface, Equation, Kondor, Eximbills, end of day cycle. Support Supporting budgeting and financial planning processes for Finance department, including loading … Forms with Equation system to introduce automation of processes thereby eliminating the need for duplicate entry. Utilise web services to integrate from cutting edge technology into legacy systems such as Equation. Integrate with all the systems using data abstraction and connectivity layers, i.e. ODBC, ADO.net. Duties Maintain knowledge of all applicable regulatory requirements including the Bank More ❯

impactful demos, discovery workshops, and strategic proposals Work closely with project and engagement managers to ensure alignment with technical requirements Conduct business analysis, run solution workshops, and configure Workday systems Collaborate with cross-functional teams to deliver measurable value to clients Mentor and support the development of junior team members About You Experienced in finance transformation, ERP, or Workday … with the ability to align technology with business goals Skilled in stakeholder management, including with executives and technical leads Strong understanding of integration architecture (APIs, middleware, legacy systems) Proven leadership of delivery teams, including offshore and cross-functional groups Comfortable presenting complex ideas to both technical and non-technical audiences Why Join? Hybrid working with flexibility across More ❯

impactful demos, discovery workshops, and strategic proposals Work closely with project and engagement managers to ensure alignment with technical requirements Conduct business analysis, run solution workshops, and configure Workday systems Collaborate with cross-functional teams to deliver measurable value to clients Mentor and support the development of junior team members About You Experienced in finance transformation, ERP, or Workday … with the ability to align technology with business goals Skilled in stakeholder management, including with executives and technical leads Strong understanding of integration architecture (APIs, middleware, legacy systems) Proven leadership of delivery teams, including offshore and cross-functional groups Comfortable presenting complex ideas to both technical and non-technical audiences Why Join? Hybrid working with flexibility across More ❯

impactful demos, discovery workshops, and strategic proposals Work closely with project and engagement managers to ensure alignment with technical requirements Conduct business analysis, run solution workshops, and configure Workday systems Collaborate with cross-functional teams to deliver measurable value to clients Mentor and support the development of junior team members About You Experienced in finance transformation, ERP, or Workday … with the ability to align technology with business goals Skilled in stakeholder management, including with executives and technical leads Strong understanding of integration architecture (APIs, middleware, legacy systems) Proven leadership of delivery teams, including offshore and cross-functional groups Comfortable presenting complex ideas to both technical and non-technical audiences Why Join? Hybrid working with flexibility across More ❯

impactful demos, discovery workshops, and strategic proposals Work closely with project and engagement managers to ensure alignment with technical requirements Conduct business analysis, run solution workshops, and configure Workday systems Collaborate with cross-functional teams to deliver measurable value to clients Mentor and support the development of junior team members About You Experienced in finance transformation, ERP, or Workday … with the ability to align technology with business goals Skilled in stakeholder management, including with executives and technical leads Strong understanding of integration architecture (APIs, middleware, legacy systems) Proven leadership of delivery teams, including offshore and cross-functional groups Comfortable presenting complex ideas to both technical and non-technical audiences Why Join? Hybrid working with flexibility across More ❯

impactful demos, discovery workshops, and strategic proposals Work closely with project and engagement managers to ensure alignment with technical requirements Conduct business analysis, run solution workshops, and configure Workday systems Collaborate with cross-functional teams to deliver measurable value to clients Mentor and support the development of junior team members About You Experienced in finance transformation, ERP, or Workday … with the ability to align technology with business goals Skilled in stakeholder management, including with executives and technical leads Strong understanding of integration architecture (APIs, middleware, legacy systems) Proven leadership of delivery teams, including offshore and cross-functional groups Comfortable presenting complex ideas to both technical and non-technical audiences Why Join? Hybrid working with flexibility across More ❯

impactful demos, discovery workshops, and strategic proposals Work closely with project and engagement managers to ensure alignment with technical requirements Conduct business analysis, run solution workshops, and configure Workday systems Collaborate with cross-functional teams to deliver measurable value to clients Mentor and support the development of junior team members About You Experienced in finance transformation, ERP, or Workday … with the ability to align technology with business goals Skilled in stakeholder management, including with executives and technical leads Strong understanding of integration architecture (APIs, middleware, legacy systems) Proven leadership of delivery teams, including offshore and cross-functional groups Comfortable presenting complex ideas to both technical and non-technical audiences Why Join? Hybrid working with flexibility across More ❯

impactful demos, discovery workshops, and strategic proposals Work closely with project and engagement managers to ensure alignment with technical requirements Conduct business analysis, run solution workshops, and configure Workday systems Collaborate with cross-functional teams to deliver measurable value to clients Mentor and support the development of junior team members About You Experienced in finance transformation, ERP, or Workday … with the ability to align technology with business goals Skilled in stakeholder management, including with executives and technical leads Strong understanding of integration architecture (APIs, middleware, legacy systems) Proven leadership of delivery teams, including offshore and cross-functional groups Comfortable presenting complex ideas to both technical and non-technical audiences Why Join? Hybrid working with flexibility across More ❯

impactful demos, discovery workshops, and strategic proposals Work closely with project and engagement managers to ensure alignment with technical requirements Conduct business analysis, run solution workshops, and configure Workday systems Collaborate with cross-functional teams to deliver measurable value to clients Mentor and support the development of junior team members About You Experienced in finance transformation, ERP, or Workday … with the ability to align technology with business goals Skilled in stakeholder management, including with executives and technical leads Strong understanding of integration architecture (APIs, middleware, legacy systems) Proven leadership of delivery teams, including offshore and cross-functional groups Comfortable presenting complex ideas to both technical and non-technical audiences Why Join? Hybrid working with flexibility across More ❯

from natural disasters. With hx Renew, insurers can rapidly develop and iterate pricing models in Python and React within a modern software environment, free from the burden of legacy tech. What once took months now takes weeks-or even days. This agility has made our product the go-to platform for insurers worldwide. In just five years, our … with long-term technical sustainability and system scalability. Key Skills and Experience Demonstrates deep technical expertise in complex SaaS products. Proven track record of delivering complex projects and scaling systems in high-growth environments. Skilled in designing, implementing, and evolving scalable, performant, and reliable systems. Experience with creating and executing decommissioning or migration strategies for legacy systems. … mindset, ensuring engineering solutions align with customer and business priorities. Experienced in managing and evolving foundational technical platforms and shared services. Deep understanding of security and compliance requirements, ensuring systems meet industry standards. Proficient in engineering best practices, including CI/CD, automated testing, and infrastructure-as-code. Skilled in using data-driven metrics, such as DORA and SLAs More ❯

today and in the future. We recognize that technology and data are at the forefront of this effort. Our Global IT team undertakes transformative projects, expands digital options, upgrades systems, and future-proofs our infrastructure to keep us competitive in the marketplace. We seek talented and creative individuals across all areas to join us in our evolution to support … initiatives to enhance our customer payment experience across digital and branch channels. You'll join at a critical phase-midway through a large-scale program replacing legacy systems with new payment solutions. We need someone who can quickly adapt, navigate complexity, and bridge stakeholders, business needs, and technical teams. What you'll be doing: Own and drive … in requirements engineering -analyzing, validating, and translating business needs into clear deliverables. Ability to start a project mid-stream and work independently to drive it forward. Experience with legacy system integration , ideally with platforms like Workday Finance or similar ERP systems. Excellent communication skills and emotional intelligence-capable of managing challenging stakeholder interactions. More ❯

Seeking 2-3 Mid to Senior QA Engineers to join a growing digital transformation team, modernising legacy systems into cloud-native solutions using Java, DevOps, and agile practices. These are permanent roles with hybrid working in Telford, paying £46,000 to £67,000 dependant on experience + bonus. Key Details: Location: Hybrid - average 8 days/month More ❯

Seeking 2-3 Mid to Senior QA Engineers to join a growing digital transformation team, modernising legacy systems into cloud-native solutions using Java, DevOps, and agile practices. These are permanent roles with hybrid working in Telford, paying £46,000 to £67,000 dependant on experience + bonus. Key Details: Location: Hybrid - average 8 days/month More ❯

back-end development of trading tools used by internal stakeholders. The organisation is transitioning to a microservices architecture, which means that there will be an equal balance between legacy system work and new development initiatives on the roadmap. The intention is to move away from old ways of working, and look at the best approach and technologies, giving … understanding of database operations and clustering Prior experience with the likes of WinForms, WCP or WPF Understanding of either AWS, Azure or other cloud environments Experience with large scale systems On offer: Flexible working hours Annual bonus 25 days leave + bank holidays Pension Enhanced paternity and maternity leave etc. Only candidates residing within a reasonable commutable distance from 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 ❯

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 ❯

Application Architect, fluent in modern engineering practices and passionate about building the next generation of cloud-native applications on Azure? Do you want to shape application strategy, modernise legacy platforms, and bring real business innovation to life? This is more than just an architecture role. It’s a chance to lead transformation from the inside out, in a … be the bridge between engineering teams and business outcomes. Working with clients across regulated industries and fast-growth markets, you’ll own: Azure Application Modernisation – redesigning legacy systems for scalability, performance and maintainability Cloud-Native Architecture – microservices, containers, serverless, event-driven systems Engineering Leadership – guiding software teams through modern DevOps, IaC, CI/CD and observability More ❯

the ability to make effective decisions under pressure, thinking analytically and looking to solve problems. Knowledge of analysis methodology and practices as well as legacy Standard Life systems would be key as well as strong knowledge of life and pensions. You will: Be able to comfortably work with the wider Incident management project team, e.g. Project leads … include production of Data & Mailing Extracts, Workaround Specification and Data Fixes Have proven stakeholder management experience with internal customers Ideally have existing knowledge of Standard Life legacy systems; IMS, DB2 databases, SQL and strong Excel skillsare essential Provide technical support and training to team members on data-related tools and processes We want to hire the whole More ❯

environments and has hands-on experience with collaboration technologies and cloud migration. Project Scope This is a multi-year programme to migrate all video conferencing infrastructure from on-premise systems to cloud-based services across global offices. The successful Programme Manager will oversee one of three major migration workstreams, working closely with client stakeholders, delivery partners, and internal teams. … Services sector delivery experience (preferably with Tier 1 banks) Proven track record delivering video conferencing/collaboration technology programmes Hands-on experience with cloud migration from legacy systems Comfortable operating in large, matrixed, global environments Strong knowledge of collaboration tools and networking (e.g. Quadcam, AV systems, ticketing platforms) Desirable Skills Experience with site implementation activities and More ❯