1 to 25 of 225 Permanent Legacy Systems Jobs in the UK

work off between silos. In this role, you will execute and evolve an incremental modernization strategy (e.g., strangler fig), safely transitioning legacy systems into scalable services while maintaining reliability and system continuity. Responsibilities Execute and evolve an incremental modernization strategy, safely transitioning legacy systems into well‐bounded services while maintaining reliability and continuity Decompose monolithic systems incrementally using patterns such as strangler fig Manage coexistence between legacy and modern systems during transition Design clear service boundaries, contracts, and data ownership models Ensure backward compatibility and safe evolution of APIs ...

myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Your Role We are seeking an experienced Systems Engineer to support the design, development, integration, and lifecycle management of complex Air Traffic Management Systems. You will apply rigorous systems engineering practices … engineers to elicit requirements, specify solutions and resolve problems, helping to protect and advance one of the world's most important infrastructure domains. Our systems engineering practices are developed to deliver high integrity systems that meet exacting industry standards, using established and emerging technologies and techniques such ...

Systems Analyst Location: Fully Remote (UK) Salary: Up to £50,000 Job Type: Permanent We're looking for a Systems Analyst to join our Technology team and take ownership of several business-critical applications. This is a hands-on role where you'll provide 2nd line application support … maintain and improve business systems, write SQL queries and reports, and help support the organisation as legacy systems are replaced with modern SaaS platforms. You'll work closely with an outsourced IT support provider, taking ownership of issues that require deeper application, data or configuration knowledge. ...

Business Systems Analyst Location: Pontefract, West Yorkshire Salary: Up to £60,000 per annum Job Type: Permanent, Full-Time This role is onsite (with some flexibility around hybrid working) About the Role Renzo Talent are recruiting on behalf of a well-established organisation based in Pontefract. We are seeking … Business Systems Analyst to support the modernisation of their business applications and processes. This role will play a key part in replacing two legacy systems and contributing to the discovery, design, and implementation of a new Enterprise Resource Planning (ERP) system. The successful candidate will work ...

total software engineering experience with a track record of successfully managing, scaling, and transforming engineering teams within a fast‐paced SaaS environment. Mobile & Systems Architecture Depth: Hands‐on expertise in modern mobile application development (iOS, Android, ReactNative, or Flutter) alongside proven experience navigating hybrid environments combining legacy systems and cloud microservices. AI Conviction: Genuine conviction about AI in engineering—you’ve moved teams beyond AI as a curiosity to AI as a core capability multiplier in developer workflows and product features. Pragmatic Debt Navigator: A track record of navigating legacy systems ...

total software engineering experience with a track record of successfully managing, scaling, and transforming engineering teams within a fast-paced SaaS environment.* Mobile & Systems Architecture Depth: Hands-on expertise in modern mobile application development (iOS, Android, React Native, or Flutter) alongside proven experience navigating hybrid environments combining legacy systems and cloud microservices.* AI Conviction: Genuine conviction about AI in engineering—you've moved teams beyond AI as a curiosity to AI as a core capability multiplier in developer workflows and product features.* Pragmatic Debt Navigator: A track record of navigating legacy systems ...

ENABLE hybrid cloud transformation – You will implement modern hybrid data architectures (e.g. Snowflake, Redshift, BigQuery) and drive the migration of legacy systems to cloud-native solutions that unlock agility and performance. We INNOVATE with AI-driven data solutions – You will create Proof of Concepts and Minimum Viable … understanding of ETL/ELT processes and modern architecture patterns such as Data Mesh and Data Fabric. Migration & Transformation: Experience migrating legacy systems to cloud-native data stores. Consulting & Commercial Acumen – Strong background in advisory roles, project scoping, budgeting and managing complex stakeholder relationships. SC Cleared/ ...

build new solutions in support of strategic business initiatives, andinitiatives and mature our existing software and efficiently migrate and re-platform legacy systems to the cloud, using cloud native design patterns. Working closely with the enterprise architecture stream and platform engineering team to ensure alignment to organisational … assist the wider scrum team in taking accountability for theirs Work with platform engineering to automate build and deploy of existing and new systems Support the strategic goals of Capital Markets development; greenfield initiatives, replatforming and consolidating legacy systems, and adopting an automation-first approach ...

solutions in support of strategic business initiatives, and initiatives and mature our existing software and efficiently migrate and re-platform legacy systems to the cloud, using cloud native design patterns. Working closely with the enterprise architecture stream and platform engineering team to ensure alignment to organisational technology … assist the wider scrum team in taking accountability for theirs Work with platform engineering to automate build and deploy of existing and new systems Support the strategic goals of Capital Markets development; greenfield initiatives, replatforming and consolidating legacy systems, and adopting an automation-first approach ...

legacy designs and tackle obsolescence projects. Your innovative thinking and problem-solving skills will be at the forefront, ensuring that older systems are revitalised and continue to perform at their best. The ideal candidate will possess a strong background in hardware design engineering. Proficiency in CAD tools … deep understanding of electronic components and systems are crucial. Experience with legacy systems and obsolescence management will set you apart, demonstrating your ability to navigate and update older technologies effectively. Experience & Skills required for the Senior Electronic Design Engineer – High Speed Digital, Reading: Proven experience with ...

with the customer support department and project teams to work with the development and evolution of database solutions, migrating data from legacy systems, and designing conceptual and logical data models. Working with a large and long standing data model, the successful applicant will be working to organise … optimise the data, the database systems, define security procedures, and collaborate with the business department to identify future needs and requirements. Responsibilities Develop database solutions to store and retrieve company information Install and configure information systems to ensure functionality Analysing, planning, and defining data architecture framework, including security ...

design and delivery of scalable, secure, cloud-first integrations that power real business impact? Excited by the challenge of modernising legacy systems while driving best-practice engineering across Agile teams? As our Integration Lead Developer, youll drive the organisations integration capabilitydesigning and delivering secure, scalable solutions that … connect systems, products and partners. Youll act as the technical authority for APIs, define integration patterns, build reusable components and champion cloud-first (AWS) delivery. Working hands-on in an Agile environment, youll modernise legacy systems, support enterprise architecture evolution and collaborate across teams to enable ...

architecture across teams, helping avoid unnecessary coupling and complexity while keeping teams focused on pragmatic, high-impact solutions. Dive into complex legacy systems, identify root causes of friction, and define a clear path to modernisation Deliver high-quality, reliable production code through testing, logging, and alerting Move … leadership. Leverage AI-assisted engineering to accelerate system understanding and delivery Establish best practices, guardrails, and tooling to improve engineering velocity and safety Ensure systems are scalable, reliable, and adaptable as we grow Partner closely with Engineering and Platform You will raise our technical bar by mentoring senior engineers ...

Regions on both direct and indirect deals, supporting them during solutioning phases as well as during critical delivery phases. Whether modernizing legacy systems or building solutions from scratch, you will apply agentic AI to transform how projects are executed end‐to‐end. What you’ll do Architect … primary language; hands‐on experience with Python, Rust, and TypeScript/JavaScript. Proven delivery experience applying agentic AI to modernise legacy systems or build new solutions. Hands‐on expertise with agentic AI frameworks such as AutoGen, Semantic Kernel, LangChain, or equivalents. Ability to apply AI agents across ...

teams, driving large-scale modernization programs, and fostering a culture of innovation. You will be at the forefront of transforming our legacy systems into a modern, data-enabled, and microservices-based architecture to support our growing business needs. Key Responsibilities Technology Leadership & Strategy: Define and execute … Finance, Agency Lending, or Collateral Management/Optimization is strongly preferred. Proven experience leading a successful, large-scale technology transformation from legacy systems to a microservices-based architecture. Education: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field. Desired Skills Technical ...

considering: We are seeking a highly skilled Data Analyst to support client Business Transformation Programme a largescale initiative modernising core systems processes and data architecture This role will play a critical part in data migration data quality assurance and business analysis ensuring the accurate and efficient transition of legacy … Data Management Analyse and document source to target data mappings for complex migration activities Profile cleanse and validate large datasets from legacy systems Support ETL processes and transformation logic development Perform reconciliation between legacy and target systems to ensure data integrity and completeness Identify ...

will lead the delivery of business-critical applications while supporting a major ERP transformation programme. You'll oversee the transition from legacy systems to a new ERP platform, ensuring business continuity throughout the migration. Managing a team of application specialists, you'll coordinate testing, training and data … applications such as ERP, WMS and OMS. You'll be a confident people leader with strong stakeholder management skills, a solid understanding of enterprise systems, integrations and data governance, and experience managing multiple projects simultaneously. Knowledge of Oracle Retail would be highly advantageous, as would experience supporting legacy ...

making a tangible difference every day, we'd like to hear from you. ABOUT THE ROLE As a Senior Specialist – Mission Critical Radio & Cellular Systems , you will provide technical leadership for the operational support, maintenance and continual improvement of Heathrow Airport's critical communications infrastructure. Working across a diverse … technology estate spanning legacy and modern radio systems, RF over Fibre Distributed Antenna Systems (DAS), public and private cellular infrastructure and IP-based communications platforms, you'll lead the resolution of complex technical issues while helping shape the future direction of operational communications at Heathrow. This ...

improvements, and embed secure-by-design practices across a diverse range of technical estates. This includes Defence-classified networks, legacy and industrial systems, hybrid IT/OT environments, research platforms, and modern cloud services. Key Responsibilities 1. Cyber Security Strategy, Planning & Delivery Develop, maintain, and execute cyber … security tools, processes, and monitoring capabilities are effectively deployed and maintained. 5. Management of Classified & High-Security Environments Govern cyber controls and practices for systems handling Official-Sensitive and above. Ensure appropriate physical, procedural, and technical controls are in place across secure research, prototyping, and engineering environments. Ensure that ...

Title: Systems Engineer Location: Plymouth - Hybrid 2+ days per week on-site Role Type: Permanent Salary: 50,000 - 60,000 depending on experience Our client, an established engineering consultancy, require an experienced Systems Engineer to join their multi-disciplined team based in Plymouth. Please note we can only … consider sole UK Nationals due to security clearance restrictions The Systems Engineer will work together with the customer contributing to requirements management and problem understanding, supporting facilities engineering and major infrastructure projects. What the role of the Systems Engineer entails: Some of the main duties of the Systems ...

myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Your Role We are seeking an experienced Systems Engineer to support the design, development, integration, and lifecycle management of complex Air Traffic Management Systems. You will apply rigorous systems engineering practices … engineers to elicit requirements, specify solutions and resolve problems, helping to protect and advance one of the world's most important infrastructure domains. Our systems engineering practices are developed to deliver high integrity systems that meet exacting industry standards, using established and emerging technologies and techniques such ...

/CTO for SymphonyAI’s Supply Chain Division in EMEA, responsible for driving a multi-year transformation from legacy on-premise systems to a cloud-native, AI-first composable SaaS platform. Lead platform architecture, large engineering teams (150–300+), generative AI integration, client-facing technology engagements … based in EMEA (Paris headquarters) and includes global engineering leadership and client-facing responsibilities. Key Responsibilities Define and own the multi-year roadmap for Systems of Execution (WMS, TMS, OMS) and Systems of Intelligence (demand planning, supply optimization, decision analytics). Architect transformation from monolithic legacy ...

build internal tools and targeted application improvements. You will thrive here if you care about pragmatic delivery, continual learning, high standards, and building systems that make the whole team more effective. This role is for someone who wants to own real systems in production, not just pipelines … production Manage and evolve infrastructure as code using Terragrunt Build and improve CI/CD pipelines using GitLab CI Debug complex issues across distributed systems, often without full visibility Help us move to our new systems from our legacy systems, paying down technical debt where ...

includes: Oversight of infrastructure, networks, cloud services, and business-critical applications, ensuring secure and reliable operations. Support for both legacy and modern systems, including ERP, CRM, Sage, Microsoft 365, and specialist software. Management and liaison with external providers, contractors, and internal teams to deliver IT solutions, support … user provisioning, group policies, account decommissioning, and organisational structure management. Configure and manage VLANs, switches, routers, firewalls, and wireless networks. Administer and support telephony systems, including Avaya onsite PBX, VoIP services, and phone recording/information requests. Provide support for audio-visual equipment, conferencing systems, and meeting room ...

many of the following areas:Lead the design and implementation of cloud-native data platforms.Architect and deliver data modernisation strategies, transitioning legacy systems to scalable, cloud-native solutions.Design and implement lakehouse architectures that unify data lakes and data warehouses for advanced analytics and AI/ML workloads.Partner ...