326 to 350 of 394 Legacy Systems Jobs in the UK

Build and maintain extensions, integrations and custom modules to meet client-specific needs Collaborate with functional consultants to translate requirements into robust technical specifications Upgrade legacy NAV systems to Business Central, ensuring minimal disruption and improved functionality Optimise performance and ensure code quality through testing, peer reviews and best practice development Provide technical support and troubleshooting for More ❯

Build and maintain extensions, integrations and custom modules to meet client-specific needs Collaborate with functional consultants to translate requirements into robust technical specifications Upgrade legacy NAV systems to Business Central, ensuring minimal disruption and improved functionality Optimise performance and ensure code quality through testing, peer reviews and best practice development Provide technical support and troubleshooting for More ❯

Build and maintain extensions, integrations and custom modules to meet client-specific needs Collaborate with functional consultants to translate requirements into robust technical specifications Upgrade legacy NAV systems to Business Central, ensuring minimal disruption and improved functionality Optimise performance and ensure code quality through testing, peer reviews and best practice development Provide technical support and troubleshooting for More ❯

Build and maintain extensions, integrations and custom modules to meet client-specific needs Collaborate with functional consultants to translate requirements into robust technical specifications Upgrade legacy NAV systems to Business Central, ensuring minimal disruption and improved functionality Optimise performance and ensure code quality through testing, peer reviews and best practice development Provide technical support and troubleshooting for More ❯

Build and maintain extensions, integrations and custom modules to meet client-specific needs Collaborate with functional consultants to translate requirements into robust technical specifications Upgrade legacy NAV systems to Business Central, ensuring minimal disruption and improved functionality Optimise performance and ensure code quality through testing, peer reviews and best practice development Provide technical support and troubleshooting for More ❯

Build and maintain extensions, integrations and custom modules to meet client-specific needs Collaborate with functional consultants to translate requirements into robust technical specifications Upgrade legacy NAV systems to Business Central, ensuring minimal disruption and improved functionality Optimise performance and ensure code quality through testing, peer reviews and best practice development Provide technical support and troubleshooting for More ❯

Build and maintain extensions, integrations and custom modules to meet client-specific needs Collaborate with functional consultants to translate requirements into robust technical specifications Upgrade legacy NAV systems to Business Central, ensuring minimal disruption and improved functionality Optimise performance and ensure code quality through testing, peer reviews and best practice development Provide technical support and troubleshooting for More ❯

Build and maintain extensions, integrations and custom modules to meet client-specific needs Collaborate with functional consultants to translate requirements into robust technical specifications Upgrade legacy NAV systems to Business Central, ensuring minimal disruption and improved functionality Optimise performance and ensure code quality through testing, peer reviews and best practice development Provide technical support and troubleshooting for More ❯

Build and maintain extensions, integrations and custom modules to meet client-specific needs Collaborate with functional consultants to translate requirements into robust technical specifications Upgrade legacy NAV systems to Business Central, ensuring minimal disruption and improved functionality Optimise performance and ensure code quality through testing, peer reviews and best practice development Provide technical support and troubleshooting for More ❯

components, dependencies, and constraints. Translates current-state infrastructure into secure, compliant target-state architecture aligned with internal standards. Defines transition architecture supporting phased integration while maintaining access across legacy and new systems. Develops integration blueprints that align disparate technologies and varying operational maturity levels. Participates in technical due diligence to assess infrastructure risks, technical debt, and integration complexity. … administration and migration Virtualisation platforms (VMware, Hyper-V, Nutanix ) Networking - TCP/IP, DNS, DHCP, VPN, VLAN, firewalls Cybersecurity - endpoint protection, vulnerability remediation, access controls, secure configuration Clinical systems - understanding of healthcare IT environments and electronic health record (EHR) systems Experience working with hybrid environments and cloud integration (e.g., Azure, AWS) is advantageous Required Skills & Experience Proven experience … in infrastructure engineering, preferably with exposure to M&A or complex integration scenarios. Strong architectural and hands-on knowledge of enterprise systems and infrastructure technologies. Background in infrastructure risk analysis, documentation, and remediation planning. Ability to manage complex integration projects across diverse environments. Excellent stakeholder communication and coordination across business and technical teams. Familiarity with IT governance, service management More ❯

team. Provide timely, precise, accurate and comprehensive project MI both internally and externally to FNZ customers. Understand the FNZ products and technology alongside the legacy Curtis Banks systems so you can identify and manage risks, issues, assumptions and dependencies through the full project lifecycle. Build mitigation plans for all risks and issues, and take ownership for ensuring More ❯

society through technology by empowering the public sector to deliver user-centric, data-driven digital services, free from legacy systems. A core focus is developing modern data systems and platforms to support informed decision-making for clients, with close collaboration to shape data strategies. Key responsibilities As a Data Analyst, your roles will vary based on client More ❯

with clients. Knowledge of modern digital services architecture. Experience with cloud and hybrid-cloud architectures. Background in Agile environments, delivering software in controlled increments. Understanding of programming languages, distributed systems, cloud technologies, and CI/CD pipelines. Desirable Skills and Experience Experience with legacy system integration and modernization. Skills in developing architectural roadmaps and operationalizing data science More ❯

The Company At LabLogic Systems Ltd, we're pioneers in the Life Science, PET/Nuclear Medicine, and Radiation Safety sectors. We're committed to excellence, delivering high-quality products and service while fostering a positive work culture grounded in our core values: Passionate and driven, Everyone is accountable, Respectful and inclusive, Family atmosphere, Efficient, Customer-focused, and Trustworthy. … accreditation, affirming our commitment to creating an exceptional workplace. Join us in a collaborative, supportive team, where benefits like our annual Center Parcs trip foster positive working relationships. LabLogic Systems Ltd is not just a workplace; it's a rewarding journey in a globally acclaimed organisation. The Product LabLogic provides two specialist radiopharmacy Laboratory Information Management Systems (LIMS … day one, both inside and outside of development. We are looking for somebody with a proactive, solution-oriented mindset who can contribute to both new system development and legacy system enhancements, with a demonstrated ability to identify and implement improvements in team processes and procedures. Outside of development there is opportunity to coordinate with our Sales and QA More ❯

evolution of the DealCloud CRM platformdriving configuration, integration, and continuous improvement across the business. This is a hands-on, configuration-heavy role ideal for someone who thrives on aligning systems with business strategy in a fast-paced, data-rich environment. Key Responsibilities: Take ownership of the DealCloud CRM platform, managing configuration, user roles, workflows, and customisations. Optimise platform performance … by maintaining system integrations and monitoring reliability. Lead data migration from legacy systemsensuring high standards of accuracy, integrity, and consistency. Partner with Investment Bankers, Ops, Business Support and IT to translate business needs into platform solutions. Deliver an effective change and release management process to support ongoing platform evolution. Provide training, documentation, and first-line support to ensure … modern release processes. Excellent communication and stakeholder engagement skills. Experience in investment banking or financial services environments. Familiar with Microsoft Office Suite and standard business applications. Degree in Information Systems or similar (2:1 or above preferred). For a full consultation on this role please email your CV to Arc. More ❯

testing and delivery of a Microsoft Dynamics CE implementation. This role involves owning the full testing lifecycle, from planning through to execution, as the client transitions from their legacy CRM system (Open Engage) to Microsoft Dynamics CE. Responsibilities - Own the overall test strategy and plan - Create and … manage test scripts - Lead Functional Testing, E2E/SIT, and UAT - Manage and support a Test Analyst - Liaise with stakeholders in a politically sensitive environment - Oversee performance of the systems integrator - Communicate testing processes clearly to non-technical users - Strong CRM testing experience, ideally with Dynamics CE - Hands-on test planning and execution expertise - Excellent stakeholder management and communication More ❯

Design and implement CI/CD pipelines for automated rollout and updates of Otel agents and collectors. Collaborate with infrastructure, DevOps, and application teams to integrate observability into legacy and modern systems. Optimize telemetry data collection, processing, and storage for performance and reliability. Troubleshoot and resolve issues related to observability pipelines and instrumentation. Contribute to internal documentation and … and SDKs. Proven experience deploying and managing observability tools in on-premises infrastructure. Familiarity with CI/CD tools (e.g., Jenkins, GitLab CI, GitHub Actions). Experience with Linux systems, networking, and containerization (Docker). Understanding of monitoring and tracing tools (e.g., Prometheus, Jaeger, Grafana). Excellent problem-solving and communication skills. Preferred Qualifications: Experience contributing to OpenTelemetry or More ❯

Design and implement CI/CD pipelines for automated rollout and updates of Otel agents and collectors. Collaborate with infrastructure, DevOps, and application teams to integrate observability into Legacy and modern systems. Optimize telemetry data collection, processing, and storage for performance and reliability. Troubleshoot and resolve issues related to observability pipelines and instrumentation. Contribute to internal documentation and … and SDKs. Proven experience deploying and managing observability tools in on-premises infrastructure. Familiarity with CI/CD tools (eg, Jenkins, GitLab CI, GitHub Actions). Experience with Linux systems, networking, and containerization (Docker). Understanding of monitoring and tracing tools (eg, Prometheus, Jaeger, Grafana). Excellent problem-solving and communication skills. Preferred Qualifications: Experience contributing to OpenTelemetry or More ❯

Design and implement CI/CD pipelines for automated rollout and updates of Otel agents and collectors. Collaborate with infrastructure, DevOps, and application teams to integrate observability into legacy and modern systems. Optimize telemetry data collection, processing, and storage for performance and reliability. Troubleshoot and resolve issues related to observability pipelines and instrumentation. Contribute to internal documentation and … and SDKs. Proven experience deploying and managing observability tools in on-premises infrastructure. Familiarity with CI/CD tools (e.g., Jenkins, GitLab CI, GitHub Actions). Experience with Linux systems, networking, and containerization (Docker). Understanding of monitoring and tracing tools (e.g., Prometheus, Jaeger, Grafana). Excellent problem-solving and communication skills. Preferred Qualifications: Experience contributing to OpenTelemetry or More ❯

We're a creative, committed, and diverse group of individuals who succeed as a team. At Kainos your ideas are heard and valued and you'll leave a legacy that you can feel proud of.Join us and discover how our people write our story. A key role in the recently established Salesforce practice, you will be responsible for … development. Experience prioritising non-functional concerns for customers and has experience incorporating these into the application design. Experience with complementary technologies (e.g. AWS, Azure, M365) and integration with legacy systems. Able to simply and clearly communicate technical design in conversation, documentation and presentations to technical and non-technical stakeholders. Willingness to travel to client workshops and Salesforce events More ❯

to collaborate with international teams, particularly with US-based engineering and PLM. Technical knowledge of test & measurement solutions used for cable location, fibre technologies, and legacy copper systems in the communications service provider industry. Proactive, detail-oriented, and capable of managing competing priorities. A strong team player with a results-driven mindset. Your Background: HND/Degree More ❯

Central London, Greater London - United Kingdom Type: Permanent A leading UK-based technology services provider is seeking a skilled and motivated Linux Engineer to support and maintain complex live systems for a high-profile client. This customer-facing position requires a confident communicator with a strong technical background in Linux environments, as well as the drive to continuously grow … to work with enterprise-level IT solutions in a collaborative and innovative environment. Role Overview The Linux Engineer will be responsible for the monitoring, maintenance, and support of Linux systems across a variety of platforms and technologies. Working as part of an established team, the successful candidate will manage incidents, troubleshoot performance issues, and contribute to the configuration and … of security protocols, encryption, digital certificates, and antivirus tools Solid knowledge of VMware environments, including host deployment and affinity rules Familiarity with hardware components and their interaction with operating systems Comfortable working in client-facing roles, with excellent verbal and written communication skills Prior exposure to Solaris and legacy UNIX systems (e.g., Solaris 5.7, 10.x, 11.x More ❯

as a technical contributor to solve complex problems, shaping architecture, and mentoring engineers to do their best work and advance their careers. You'll work across our control plane systems, influence cross-team roadmaps, and bring pragmatic engineering practices into how we build, test, and operate infrastructure software. This is not a "stay in your swim lane" role. You … there's ambiguity, and momentum where there's inertia.This role includes participation in an on-call rotation -we believe in shared ownership of our platform and aim to build systems that are resilient, observable, and require minimal intervention. Key Responsibilities: Architect and implement scalable, secure Kubernetes-based infrastructure for multi-cloud and hybrid environments. Lead technical direction for core … and help shape how Fleet scales its impact across the company. Knowledge, Skills, and Abilities: 7+ years of engineering experience, with at least 2+ in infrastructure, platform, or backend systems roles. Deep expertise in Kubernetes internals and operations , including networking, scheduling, scaling, and controller patterns. Proven ability to design and build systems from scratch , making pragmatic tradeoffs along More ❯

month contract - 2-3 days onsite Salt is partnering with a leading Local Government client in London on a major ERP transformation programme. They are replacing a legacy SAP system with SAP S/4HANA Public Cloud, covering Finance, HR, and Payroll. This is a high-profile, business-critical project with a September 2026 go-live for Finance … Migration Specialist to join the project team as soon as possible. This role will be pivotal in ensuring data readiness and integrity ahead of migration, working closely with the systems integrator and internal teams. Key Responsibilities Analyse, cleanse, and prepare legacy master data across Finance, HR, and Payroll. Identify and resolve data quality issues, ensuring "clean" data … for migration. Collaborate with the systems integrator on ETL activities, reviewing extracted and transformed data before loading. Provide guidance to the business on data standards and cleansing priorities. Support ongoing data quality checks post-migration. Essential Experience Proven experience delivering data migration for ERP transformation programmes. Hands-on SAP S/4HANA migration experience (Public Cloud experience desirable). More ❯

to contribute to the design, development, and integration of equipment at both system and sub-system levels. This is a diverse role involving work on multiple vehicle platforms and systems, including both new developments and the maintenance of legacy applications. The position also involves specifying requirements for externally developed equipment. Key Responsibilities Design and implement software solutions … that meet both contractual and cost-effective design requirements. Support the system design process by helping to allocate functionality effectively across the system. Assist with software and systems validation, including the creation of test tools, schedules, integration plans, and technical reports. Contribute to task planning and estimation activities. Stay informed on relevant technical developments and apply this knowledge to … version 17 or later) and knowledge of design patterns. Understanding of UML/SysML. Familiarity with the full software development lifecycle. Experience developing both new software and maintaining legacy systems. Background in software verification and testing. Strong communication skills. Desirable: Experience with Agile development methodologies. Knowledge of other programming languages such as C, C#, Java, and scripting languages. More ❯