26 to 50 of 107 Legacy Systems Jobs in the UK excluding London

Corporate Security Engineering - Engineer Role

Hiring Organisation
The Bank of New York Mellon
Location
Moffat, Dumfries & Galloway, UK
Employment Type
Full-time
software platforms that power our Physical Security business partners globally, with a primary focus on operating and engineering our existing Physical Security Systems and migrating to Genetec solutions for Access Control and CCTV. You will also work with non-Genetec solutions that serve the needs of BNY's Corporate … ways: Provide end-to-end Engineering support for our global suite of Physical security applications. This includes:Migration to Genetec from legacy systems (e.g., C-CURE, Victor), including architecture, cutover planning, device onboarding, integrations, data/credential migrations, and stakeholder communications.Plan and execute system updates, firmware upgrades ...

Lead Data Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Lead Data Engineer Hands-on technical leadership building data systems that actually work We're looking for a Lead Data Engineer to join an enterprise data engineering capability and play a critical role in designing, building, and improving real-world data systems . This is not a line … engineers and adjacent roles through design decisions, code, and delivery support Improve data sharing, onboarding of new data sources, and interoperability across teams and systems Introduce and evaluate new tools, patterns, and technologies where they genuinely add value - balancing innovation with pragmatism Build robust, production-grade solutions , not proofs ...

C++ Developer

Hiring Organisation
Addition
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 per day
leading online gaming platforms. This is an opportunity to work on a large-scale, business-critical C++ platform, helping modernise legacy systems while supporting a major cloud migration programme. Role Overview Location: Remote, must be based in UK Package: £600 - £650pd Outside IR35 Duration: 3 months (Sept … modernisation programme. Refactor and modernise legacy components while maintaining stability and existing functionality. Build and enhance high-performance, low-latency, server-side systems supporting a live platform. Integrate platform services with AWS where required as part of the wider cloud programme. Use AI-assisted development tools, including ...

Software Developer (C#/ SQL)

Hiring Organisation
Nigel Wright Group
Location
Sunderland, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
Company A well-established, Sunderland based, organisation is investing heavily in the modernisation of its technology estate. Having undergone significant systems transformation in recent years, the business is now focused on enhancing, optimising and future-proofing its internally developed applications and data platforms.The IT team supports critical systems … ongoing development, support and enhancement of business-critical applications. Working closely with technical and business stakeholders, you will help modernise legacy systems, improve database performance, deliver new functionality and contribute to the overall technical direction of the development team.Key responsibilities include: Developing and maintaining Windows ...

Senior Java Developer

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

Tech Support Engineer

Hiring Organisation
Reliance High Tech
Location
M17, Trafford Park, Trafford, Eccles, Greater Manchester, United Kingdom
Employment Type
Permanent
Salary
£33000 - £37000/annum Health care, Pension
workshop — staging, imaging, and testing customer devices and networking equipment prior to deployment. Your responsibilities Ensure that all prebuilt/preconfigured solutions/systems and hardware is configured and setup in line with Manufacturer, IT and Cyber best practices • Provide responsive, hands-on support for our field-based engineers … systems and customers • Commissioning support for our professional services team Maintain documentation for processes, systems, assets, and credentials • Play a key role in transitioning legacy systems to new solutions Your competencies Essential • Good understanding of IP Networking, switches, firewalls, routers and VPNs. • IT Support/ ...

Senior Analytics Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £65,000 per annum
using modern engineering practices Monitor, troubleshoot, and continuously improve data infrastructure Contribute to data architecture decisions and support the modernisation of legacy systems Create clear technical documentation and maintain best practices across data engineering workflows Collaborate with developers, analysts, and business teams to deliver impactful data solutions ...

Data Engineer

Hiring Organisation
Oliver James
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
digital infrastructure provider with 100+ sites across the continent - is looking for a Data Engineer to join a major transformation programme consolidating multiple operational systems into a single target platform. You'll be at the centre of the migration workstream: building the pipelines, transformation logic, and validation frameworks that … move data from legacy systems into the new target operating platform - working closely with the Data Workstream Lead, business SMEs, and application teams. What you'll be doing: Designing and building ETL/ingestion pipelines using Microsoft Fabric (Data Factory, Pipelines, Lakehouse, Notebooks) or equivalent Azure tooling ...

Lead Software Engineer

Hiring Organisation
Leonardo DRS
Location
Basildon, Essex, UK
Employment Type
Full-time
architectural design, risk mitigation, or technical governance.Demonstrated ability to mentor and coach engineers, uplifting capability and promoting software engineering excellence.Familiarity with legacy systems, export controls, interoperability, and long-term product evolution.Ability to collaborate across disciplines, working closely with systems, hardware, and firmware teams to ensure coherent ...

Java Developer

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

Lead Architect Insurance

Hiring Organisation
Deutsche Post DHL
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
maintain enterprise architecture frameworks, principles, and standards (TOGAF aligned)Lead architecture for insurance transformation programs (Claims, Underwriting, Policy Administration)Assess legacy systems and design modernization strategies, target architectures, and transition roadmapsDevelop enterprise-wide technology roadmaps aligned with business strategyDrive architecture governance, standards, and decision-making forumsProvide architectural … ITYour Profile6 - 10 years of Enterprise Architecture experienceStrong insurance domain expertise (commercial, specialty, and captive insurance)Proven experience in application transformation and legacy modernizationDeep knowledge of core insurance platforms (Claims, Underwriting, Policy Administration)Strong understanding of integration patterns (APIs, microservices, event-driven architecture)Experience with data platforms (data ...

Software Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
high-performing Agile team delivering large-scale digital transformation within a critical public sector environment. This is an exciting opportunity to modernise legacy platforms, develop innovative digital services, and build scalable, cloud-native solutions that make a real impact. Rate: £450 p/d outside ir35 Duration … driven architectures and cloud-native applications. Strong understanding of DevOps, observability tools, Grafana/Kibana and software quality practices. Experience modernising legacy systems and delivering software within Agile environments. Excellent communication, collaboration and problem-solving skills. Please apply today to be considered McGregor Boyall is an equal ...

Cloud (AWS) Architect

Hiring Organisation
Sanderson Recruitment
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800 per day
infrastructure topics, migration strategies and platform solutions, cloud native and hybrid. Support operational and engineering colleagues through identifying opportunities to simplify legacy systems, automate processes, and improve security and performance using cloud-native. Ensure compliance with relevant frameworks, including ISO 27001, PCI DSS. Support infrastructure capabilities internally … Windows (Unix OS desirable) Relevant exposure to leading cloud providers, in particular AWS. Virtualisation, containerisation, orchestration and serverless architectures Evidence of successfully simplifying legacy infrastructure and migrating to hybrid and cloud-native platforms Awareness and use of architectural frameworks Please note, engagement is via umbrella company only ...

IAM Architect

Hiring Organisation
TALENT INTERNATIONAL UK LTD
Location
Swindon, UK
integration patterns enabling seamless federation with associate bodies, suppliers, and third parties. Transition and Implementation Roadmap: Map out the phased migration strategy from legacy services (including ideiio replacement), driving a Year 1 focus on core IGA/AM controls and a Year 2 expansion to PAM, CIAM … identity assurance levels (IALs/AALs). Migration and Coexistence Design: Track record in designing low-disruption transition architectures to sunset legacy systems while maintaining security and business continuity. Senior Leadership and Governance: Exceptional stakeholder management skillsable to bridges the gap between technical teams, security leads ...

Java Full Stack Developer

Hiring Organisation
Mastek
Location
Reading, England, United Kingdom
programme for a central government department. The programme represents the next generation of the UKs biometric capability replacing and integrating with legacy systems and other government departments. You will be part of a Mastek team in a multi-vendor project with a shared code base. … services (EC2, ECS, EKS, API Gateway and Serverless technologies) Integration Engine tools: Apache Camel and Active MQ for messaging, web services and distributed systems Public Sector domain experience preferable ...

Senior Business Analyst

Hiring Organisation
Draper Tools
Location
Eastleigh, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
over-engineered for its own sake. Maintain a living library of process and requirements documentation that is updated as work progresses and systems evolve, rather than left to go stale post-delivery. Define acceptance criteria in close collaboration with the development team, supporting testing and validation throughout the delivery … manage your own workload, prioritise effectively and deliver to deadlines without close supervision. Experience working across a mixed technology landscape, including legacy systems and modern cloud-based platforms, with an understanding of how the two interact and the constraints each can present would be beneficial. Ability ...

SAP Business Analyst

Hiring Organisation
Auxo Talent
Location
Stoke-On-Trent, Staffordshire, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£55,000
Supporting business change activities, including documenting impacts and assisting with communications and training. Assisting with data cleansing, validation and migration from legacy systems into SAP. Creating Business Requirement Documents (BRDs) for development and configuration teams. Supporting minor SAP configuration and system enhancements alongside senior consultants. Writing ...

Infrastructure Operations Engineer - Remote - c£61K

Hiring Organisation
Nigel Frank International
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£51,000 - £61,000 per annum
looking for an experienced Infrastructure Operations Engineer to lead the ongoing transformation of its Microsoft cloud estate as it moves from legacy systems to a modern Azure environment. This is a strategic and hands-on leadership role, responsible for Azure infrastructure, Microsoft 365, cyber security, networking ...

Senior Software Engineer, Android

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts, with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards, major contracts secured ...

Mobile Developer iOS and Android

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts, with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards, major contracts secured ...

ERP Specialist

Hiring Organisation
Robert Walters
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
functionalities and processes within SysPro, promoting adoption and effective utilisation across all departments. ERP Specialist - What will you need? * Demonstrated expertise in SysPro ERP systems within manufacturing environments, with proven experience managing large-scale implementations. * Strong technical proficiency in SAP as an alternative ERP platform, enabling flexible problem-solving … strategic decisions across departments. * Solid understanding of SQL databases for integrating data sources and supporting analytics initiatives. * Experience migrating data from legacy systems into modern ERP platforms while maintaining accuracy and completeness. * Ability to collaborate effectively with both internal developers and offshore teams to deliver high-quality ...

Lead Software Engineer

Hiring Organisation
Leonardo DRS
Location
Luton, Bedfordshire, UK
Employment Type
Full-time
architectural design, risk mitigation, or technical governance.Demonstrated ability to mentor and coach engineers, uplifting capability and promoting software engineering excellence.Familiarity with legacy systems, export controls, interoperability, and long-term product evolution.Ability to collaborate across disciplines, working closely with systems, hardware, and firmware teams to ensure coherent ...

Senior Principal Programmer (UK)

Hiring Organisation
UCB Group
Location
Reading, Berkshire, UK
Employment Type
Full-time
administrators so study teams can begin work in a ready and reliable environment.You will support programming teams during onboarding, transition from legacy systems, and ongoing operations as a first-line technical contact.You will improve lifecycle management and workflows by documenting processes, supporting validation activities, and automating practical … understand SDLC, validation, audit readiness, and compliant configuration expectations.You can communicate clearly with technical teams and business stakeholders, while tracking setup processes across systems and teams.You bring practical experience with tools such as Domino Data Lab, SAS, R, Git, Azure DevOps, VS Code, or SAS Studio. Are you ready ...

Data Engineer

Hiring Organisation
Halian Technology Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
modern data platform from the ground up. Were working with a business in the middle of a high-impact data transformationmoving away from legacy constraints towards a scalable, cloud-first architecture. Theyre looking for a Data Engineer to take a leading role in that journey. This isnt … skills in Python and SQL Hands-on experience with Databricks, Azure, and GCP/BigQuery Proven ability to work across both legacy systems and modern cloud environments Key Skills DevOps mindset you automate wherever possible and write clean, testable code Pragmatic approach focused on delivering value without ...

SAP Project Manager - MM & P2P

Hiring Organisation
Matchtech
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
week onsite) Competitive Salary Offered. Role details: We are supporting a major defence client who are undergoing a global transformation programme, migrating from legacy SAP ECC6 system to SAP S/4HANA. As part of the programme, they require a Project Manager to lead on MM configuration ...