26 to 50 of 398 Legacy Systems Jobs in the UK

Control Systems Engineer - WinCC | Warrington | £60,000 | UK Passport Required KO2's client, a specialist in advanced control systems and is seeking an experienced Control Systems Engineer with a deep understanding of WinCC, Siemens PLCs, and redundant server architecture. This is a full-time, permanent role based onsite in Warrington. Due to the nature of the work … candidates must hold a UK passport. The Role: The successful candidate will be involved in both the design and modification of complex control systems used in managing control systems that are used to control objects of high value. Key tasks include: Developing and modifying graphical interfaces for new and legacy systems using WinCC Pro Programming … SCADA systems to interface with databases for read/write operations Working with redundant WinCC servers and multiple operator stations across a high-density tag environment Integration and control of systems using Siemens S7, TIA Portal, and STL programming Interfacing with Plant Bus and Graphical Bus environments Onsite testing, with final FAT carried out by the client before More ❯

with long term extension. Daily rate of 480 €uros Required: 8 years+ Business Analysis experience 4-6 years iterative and waterfall development experience. Skills and experience : Degree in Information Systems/Systems Engineering or similar is desirable Proven work experience of working on high visibility projects in traditional environments with strong project governance (i.e highly regulated environments) Proven … Proven experience in system integration projects/master data management projects Proven experience in producing defining and documenting Product and Services Roadmaps Proven experience in documenting legacy systems, working with architects and business to reverse engineer systems Proven work experience as BI Business Analyst Proven experience of working in projects with offshore development teams Role specific More ❯

all post-trade data consumed by the front-office, as well as maintaining our real-time positions critical for correct trading of the Execution platform. This means we own systems to calculate P&L, risk and trading cost analysis to allow the firm to monitor fund performance and make investment decisions. We work closely with portfolio managers, traders and … in the process of migrating more of our data to Snowflake, leveraging technologies like AWS Batch, Apache Flink and AWS Step functions for orchestration and Docker containers. These new systems will respond in real-time to events such as position and price changes, trades and reference data updates. Processing this data efficiently and robustly is a challenging but rewarding … facet of this role. We need an experienced developer to work on a range of projects across the systems - with time spent on both legacy systems, new development and migration of systems to new environments and approaches. Training will be provided to quickly on-board the developer with the technologies used. You will gain ownership More ❯

SAP Project Systems - Sr Manager IT Architecture page is loaded SAP Project Systems - Sr Manager IT Architecture Apply locations United Kingdom - Uxbridge posted on Posted Yesterday job requisition id R At Gilead, we're creating a healthier world for all people. For more than 35 years, we've tackled diseases such as HIV, viral hepatitis, COVID-19 and … work environment where our differences are valued, and everyone feels respected and empowered to bring their authentic selves to work. Job Summary The role for S4/Hana Projects Systems will drive successful business process improvement and technical resolution of emerging Project system issues and requests. The role will partner with business subject matter experts and managers in the … areas of Report-to-Record, Projects, Source-to-Settle, and Plan-to-Deliver. Essential Duties and Job Functions: Understand the SAP Project systems technology landscape and how it affects the business operations Interact with business to understand business requirements to conclude solutions, configuration, testing and support Demonstrated track record of implementing Project solutions in more than couple of projects More ❯

SAP Project Systems - Sr Manager IT Architecture page is loaded SAP Project Systems - Sr Manager IT Architecture Apply locations United Kingdom - Uxbridge posted on Posted Yesterday job requisition id R At Gilead, we're creating a healthier world for all people. For more than 35 years, we've tackled diseases such as HIV, viral hepatitis, COVID-19 and … work environment where our differences are valued, and everyone feels respected and empowered to bring their authentic selves to work. Job Summary The role for S4/Hana Projects Systems will drive successful business process improvement and technical resolution of emerging Project system issues and requests. The role will partner with business subject matter experts and managers in the … areas of Report-to-Record, Projects, Source-to-Settle, and Plan-to-Deliver. Essential Duties and Job Functions: Understand the SAP Project systems technology landscape and how it affects the business operations Interact with business to understand business requirements to conclude solutions, configuration, testing and support Demonstrated track record of implementing Project solutions in more than couple of projects More ❯

help design the Identity and Access related solutions for multiple topics which are required to remediate audits, migrate to new Identity & Access solutions (Cloud), upgrade the legacy systems, migrate existing systems and perform further enhancement of the legacy systems.The Access Lifecycle Solutions (ALS) team is part of the Identity & Access. The ALS architect team … years of experience Very strong analytical and problem-solving skills Ability to work under pressure, reliability, flexibility, and leadership. High degree of customer orientation Experience working in complex IT systems, Understand the large scale thinking and approach of a global service; Experience in Architect, designing solutions, Good understanding of Information Security Control frameworks; Experience working in Cloud environment Excellent … communication and influence skills (English fluent, German is a plus) Completed degree in IT or a comparable qualification. Nice to have • Experience of Identity and Access systems (with a focus on request & approval, provisioning, recertification, admissions/exits)• Cloud Architect qualification is plus.• Knowledge of Mainframe access, Active Directory, OIM, ForgeRock, SailPoint is a plus.• Experience with Cloud migration More ❯

customer experience as well as business productivity & efficiency.The technology currently supporting John Lewis shops and contact centres is a blend of commercially available third-party platforms, bespoke in-house systems, and legacy applications that we are actively modernising, all interconnected through complex integrations with each other and other areas of the business. Find out more about being … roadmap for John Lewis shops and contact centres with the overarching business objectives. Your influence will extend to key decisions that shape the operation of shop and contact centre systems and guide how engineering drives change across this complex business area. This will involve influencing how work is managed-whether agile, waterfall, or hybrid- including the effectiveness and measurement … broker models, RESTful, streams, event based). Knowledge/experience of techniques used to increase resilience and/or scalability of systems. Experience of applying techniques from Lean and Systems Thinking. Desirable skills/experience you may have Retail or Contact Centre experience Working with legacy systems Will have been a hands-on software engineer for More ❯

complex database solutions that support our enterprise applications and analytics systems. You will play a critical role in defining data strategy, ensuring scalability, security, and performance of SQL-based systems, and collaborating with cross-functional teams to support business goals. Key Responsibilities: Design, architect, and implement high-performance SQL Server/Oracle/PostgreSQL solutions. Define data architecture standards … and best practices for the organization. Develop complex queries, stored procedures, triggers, and performance tuning strategies. Lead the migration of legacy systems to modern data platforms (e.g., cloud-based SQL solutions). Collaborate with DevOps, application developers, BI engineers, and data scientists. Ensure high availability, disaster recovery, and data integrity across platforms. Perform database modeling, normalization, and … on database solutions. Work with stakeholders to understand data needs and translate them into technical solutions. Required Skills & Qualifications: Bachelor's or master's degree in computer science, Information Systems, or related field. 10+ years of experience in SQL development, data architecture, or database administration. Expert knowledge of relational database systems like Microsoft SQL Server, Oracle, or PostgreSQL. More ❯

Acturis Business Systems Analyst Insurance Glasgow This is a new and exclusive role for a Acturis Business Systems Analyst to join my thriving Insurance client based in Glasgow city centre as they expand their acturis projects team. Role details Title- Acturis Business Systems Analyst Employer: Insurance Location: Glasgow and home working hybrid Permanent role, competitive salary Overview … The Business Systems Migration Analyst is tasked with managing and executing data migration workstreams within the Acturis insurance software platform. This role is crucial in ensuring the accurate and efficient transfer of data from legacy systems to Acturis, while maintaining data integrity throughout the process. In this role you will support the overall implementation process, playing More ❯

Acturis Business Systems Analyst Insurance Glasgow This is a new and exclusive role for a Acturis Business Systems Analyst to join my thriving Insurance client based in Glasgow city centre as they expand their acturis projects team. Role details Title- Acturis Business Systems Analyst Employer: Insurance Location: Glasgow and home working hybrid Permanent role, competitive salary Overview … The Business Systems Migration Analyst is tasked with managing and executing data migration workstreams within the Acturis insurance software platform. This role is crucial in ensuring the accurate and efficient transfer of data from legacy systems to Acturis, while maintaining data integrity throughout the process. In this role you will support the overall implementation process, playing More ❯

technologies Ability to recommend solutions to improve new and existing database systems. Assess data implementation procedures to ensure they comply with internal and external regulations. Install and organize information systems to guarantee functionality. Prepare accurate database design and architecture reports for management and executive teams. Oversee the migration of data from legacy systems to new solutions. … Educate staff members through training and individual support. Offer support by responding to system problems in a timely manner. Requirements: Strong knowledge of database structure systems and data mining. Knowledge of systems development, including system development life cycle, project management approaches and requirements, design and testing techniques Proficiency in data modeling and design, including SQL development and database More ❯

Location: London Reports to Director for Technology for Group and Operations The Enterprise Solution Architect for Technology plays a critical role in shaping Aztec Groups technology landscape, ensuring that systems, integrations, and data architectures align with business objectives and market needs. Reporting to the Director for Group and Operations, you will define and govern enterprise-wide technology strategies, focusing … and cloud adoption. As a key advisor to senior stakeholders, the Enterprise Solution Architect will bridge business needs with technology capabilities, contributing to the transformation of legacy systems and integrating cutting-edge solutions to optimize operational workflows and processes. Key responsibilities: Enterprise Architecture & Strategy Define and maintain the technology architecture for Technology, ensuring alignment with business strategy … high-quality deliverables. Continuous Improvement: Identify opportunities for process improvements and drive initiatives to enhance the overall technology landscape. Qualifications & Experience Bachelors or masters degree in computer science, Information Systems, or related field. Enterprise Solution Architecture Expertise: 10 years + experience as a Enterprise/Senior Solution Architect within a global/national organisation, Strong knowledge of modern enterprise More ❯

Acturis Business Systems Analyst Insurance Glasgow This is a new and exclusive role for a Acturis Business Systems Analyst to join my thriving Insurance client based in Glasgow city centre as they expand their acturis projects team. Role details Title- Acturis Business Systems Analyst Employer: Insurance Location: Glasgow and home working hybrid Permanent role, competitive salary Overview … The Business Systems Migration Analyst is tasked with managing and executing data migration workstreams within the Acturis insurance software platform. This role is crucial in ensuring the accurate and efficient transfer of data from legacy systems to Acturis, while maintaining data integrity throughout the process. In this role you will support the overall implementation process, playing More ❯

Acturis Business Systems Analyst Insurance Glasgow This is a new and exclusive role for a Acturis Business Systems Analyst to join my thriving Insurance client based in Glasgow city centre as they expand their acturis projects team. Role details Title- Acturis Business Systems Analyst Employer: Insurance Location: Glasgow and home working hybrid Permanent role, competitive salary Overview … The Business Systems Migration Analyst is tasked with managing and executing data migration workstreams within the Acturis insurance software platform. This role is crucial in ensuring the accurate and efficient transfer of data from legacy systems to Acturis, while maintaining data integrity throughout the process. In this role you will support the overall implementation process, playing More ❯

Acturis Business Systems Analyst Insurance Glasgow This is a new and exclusive role for a Acturis Business Systems Analyst to join my thriving Insurance client based in Glasgow city centre as they expand their acturis projects team. Role details Title- Acturis Business Systems Analyst Employer: Insurance Location: Glasgow and home working hybrid Permanent role, competitive salary Overview … The Business Systems Migration Analyst is tasked with managing and executing data migration workstreams within the Acturis insurance software platform. This role is crucial in ensuring the accurate and efficient transfer of data from legacy systems to Acturis, while maintaining data integrity throughout the process. In this role you will support the overall implementation process, playing More ❯

The Opportunity Reporting to the Associate Director of Data & Systems Engineering, this senior role sits at the heart of a multi-year digital transformation programme. You'll take the lead in managing, modernising, and integrating our core finance and HR systems, working closely with our in-house Development and Data teams, alongside key stakeholders, and third-party vendors … solutions, integrations, and data pipelines using the Microsoft stack. Collaborate with global stakeholders and internal teams to define requirements, drive transformation, and ensure system integrity. Provide technical leadership in systems architecture, integration, and future-state strategy. Troubleshoot, optimise, and maintain legacy systems while managing technical debt. Work with infrastructure and data engineering teams to support associated … databases and servers. Your Background We're looking for a strong technical leader with: Proven experience working with finance systems and stakeholders in large international organisations. Deep expertise in Microsoft technologies and system integrations. A hands-on approach to development, troubleshooting, and modernising legacy systems. Excellent communication skills and experience collaborating with senior leadership. Familiarity with cloud More ❯

The Opportunity Reporting to the Associate Director of Data & Systems Engineering, this senior role sits at the heart of a multi-year digital transformation programme. You'll take the lead in managing, modernising, and integrating our core finance and HR systems, working closely with our in-house Development and Data teams, alongside key stakeholders, and third-party vendors … solutions, integrations, and data pipelines using the Microsoft stack. Collaborate with global stakeholders and internal teams to define requirements, drive transformation, and ensure system integrity. Provide technical leadership in systems architecture, integration, and future-state strategy. Troubleshoot, optimise, and maintain legacy systems while managing technical debt. Work with infrastructure and data engineering teams to support associated … databases and servers. Your Background We're looking for a strong technical leader with: Proven experience working with finance systems and stakeholders in large international organisations. Deep expertise in Microsoft technologies and system integrations. A hands-on approach to development, troubleshooting, and modernising legacy systems. Excellent communication skills and experience collaborating with senior leadership. Familiarity with cloud More ❯

SENIOR DATA ENGINEER UP TO £70,000 + BENEFITS HYBRID - West Midlands Want to take ownership of business-critical legacy systems, mentor others, and support a major organisation on its journey to the cloud? THE COMPANY: I'm working with a UK-based financial services provider. They're currently undergoing a large-scale data transformation, shifting from … legacy on-prem systems to a cloud-based infrastructure. THE ROLE: You'll join a collaborative team of 10 Data Engineers, focused on maintaining and evolving the company's SQL Server environment-a vital part of day-to-day operations. You'll work across a variety of financial and operational data projects that deliver real business value More ❯

Deliver transformation of IT practices to exploit modern best practices such as DevOps, DevSecOps, automation agents and generative AI Define strategies to migrate, modernise and transform legacy systems onto modern architectures To provide technical, sectoral and design leadership to a highly skilled and motivated expert technical team To work with customer senior management and technology leaders assisting … PRINCE2) Agile (e.g. PSM or CSM Scrum Master) One or more certifications that demonstrate application or technical specialisms are desirable, such as: IT Security (e.g. CISSP, CEH, CCSP) ERP Systems (e.g. Oracle, SAP, Sales Force or MS Dynamics certifications) Product or application specialisms (e.g. O365, SharePoint, CRM, Operational Technology) Technical Delivery Experience Extensive Solution Design, development, and delivery experience More ❯

ensuring alignment with enterprise architecture and HR strategy. Collaborate with HR, IT, and implementation partners to define technical and functional requirements. Design integration strategies between SuccessFactors and other enterprise systems (e.g., SAP ECC/S4HANA, payroll, identity management). Ensure data integrity, security, and compliance across all HR systems and interfaces. Provide architectural governance and review of configuration … value on openness and transparency Previous experience in the automotive industry or similar sectors is an advantage but not essential. Experience Full system architecture mapping for 'as is' HR systems Documentation of the data flows between 'as is' systems Analysis/comparison of the 'as is' & 'to be' architecture & data flows Confirmation of the data integrations required to … legacy systems for the 'to-be' architecture Experience of implementing SAP is (essential, SAP Success preferable) System Analysis for HR related projects (essential) System Integration awareness (preferred) Must be able work independently with direction from SA Headcount Lead Benefits Collaborative working environment - we stand shoulder to shoulder with our clients and ourpeers through good times and challenges More ❯

With Intelligence is a leading provider of data and insights for the global asset management industry. We are scaling up our technological capabilities, harnessing the power of advanced data systems, AI, and modern cloud-based infrastructure to build a flexible, event-driven platform that supports our growing suite of digital products. We're assembling a top-tier London-based … transformation. This role offers the opportunity to be a key contributor to our technology evolution, leveraging your deep .NET experience to influence product direction, mentor teams, and ensure our systems are robust, scalable, and modern. Role Overview As a .Net Specialist you will be leading teams in the design, development, and implementation of software solutions using the .NET framework. … in C# Strong knowledge of .NET Framework 4.x and .NET Core 3. Experience with ASP.NET Web Forms, ASMX Web Services, and MVC Familiarity with VB.NET (for legacy systems) Infrastructure & DevOps: Experience with AWS for hosting and infrastructure Skilled in IIS configuration and deployment Strong knowledge of TeamCity for CI Experience with Octopus Deploy Familiarity with Git for More ❯

Enterprise Architect to lead the design and implementation of the future state architecture for our Aero Technical Publication platform. This role will be instrumental in transforming legacy systems into a modern, scalable, and standards-compliant digital ecosystem that supports aerospace documentation workflows. The ideal candidate will bring deep expertise in enterprise architecture, aerospace documentation standards, and digital … and Physical architecture. • Develop architecture blueprints that align with Civil and Military aerospace industry standards (e.g., S1000D, S2000M, ATA iSpec 2200). • Lead the transition and migration from current systems (COTS or Custom) to interoperable platforms. • Platform should be scalable/extensible to other division/customer organizations. Platform Modernization & Integration • Architect solutions for content Authoring, CSDB, Publishing and … delivery to IETP/IETM using modern technologies (XML, DITA, CMS). • Ensure seamless integration with engineering systems (PLM, ERP) and digital twin environments. Governance & Compliance • Establish architecture governance frameworks to ensure consistency, scalability, and compliance. • Define data models, metadata standards, and content lifecycle policies. • Ensure adherence to cybersecurity, regulatory, and quality standards in aerospace. Stakeholder Engagement & Leadership • Collaborate More ❯

Commercial bank seeking to help Britain prosper and we're transforming our products and platforms with £3bn of investment to become the bank of the future. With 789 software systems and 26,000 servers we're servicing 80,000 colleagues, 30m+ customers, and over 14m+ online users you can be confident our IT professionals have sizeable and interesting challenges … every single day. In this role, you'll deliver highly complex technical support for systems and processes in mainframe environments, focusing on decommissioning and bug fixing. You'll help maintain and help migrate services according to Group standards and policies (and to agreed service levels) and will assist with the delivery of investment funded work within mainframe environments - this … includes out of hours. Additionally, you'll provide technical support (including incident and problem resolution for systems and processes in complex environments) - again this includes out of hours support. Key responsibilities Provide support for complex environments to tight timescales. Help drive the strategy and design across the mainframe development and test estate. Work closely with key stakeholders, drive and More ❯

Commercial bank seeking to help Britain prosper and we're transforming our products and platforms with £3bn of investment to become the bank of the future. With 789 software systems and 26,000 servers we're servicing 80,000 colleagues, 30m+ customers, and over 14m+ online users you can be confident our IT professionals have sizeable and interesting challenges … every single day. In this role, you'll deliver highly complex technical support for systems and processes in mainframe environments, focusing on decommissioning and bug fixing. You'll help maintain and help migrate services according to Group standards and policies (and to agreed service levels) and will assist with the delivery of investment funded work within mainframe environments - this … includes out of hours. Additionally, you'll provide technical support (including incident and problem resolution for systems and processes in complex environments) - again this includes out of hours support. Key responsibilities Provide support for complex environments to tight timescales. Help drive the strategy and design across the mainframe development and test estate. Work closely with key stakeholders, drive and More ❯

spearhead the development and enhancement of enterprise-level reporting capabilities. The ideal candidate will lead the migration and integration of reporting frameworks from NetSuite and other legacy systems into Oracle Fusion, ensuring data accuracy, performance, and business alignment. This is a high-impact role to work closely with stakeholders in collaboration to deliver reliable, insightful, and scalable … tools, and methodologies. Partner with data governance and security teams to ensure access control, audit, and privacy protocols are followed. Essential Skills, Qualifications & Experience: Bachelor's degree in Information Systems, Computer Science, Finance, or a related field (Master's preferred). 6+ years of experience in enterprise reporting roles, with at least 3 years focused on Oracle Fusion Cloud More ❯