401 to 425 of 474 Legacy Systems Jobs

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 ❯

CIDR planning, and cluster sizing . Proven experience working with DevOps and automation tools (e.g., Maven, Git, Jenkins, Azure DevOps, GitHub Actions). Exposure to backend integration patterns with systems such as microservices, and legacy systems. Preferred Skills Experience with Apigee Hybrid infrastructure setup on GKE, EKS, or OpenShift, including network design, high availability, and TLS configuration. 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 C#. One of our subsidiaries is on a legacy NetSuite operating system and will be migrated to the AS400 early 2026. - We operate many 3rd party systems and software packages, which are fed by CSV extracts from the AS400 system. Many of these systems report similar information; however manual intervention is required to achieve a … delivering short-term discovery and roadmap engagements. Strong stakeholder management, ability to engage with both technical and non-technical stakeholders, advising at Board/Executive level. Experience in legacy-modern integration. Understanding of modern data platforms (Microsoft stack preferred) and governance best practise. Deliverables: Current state assessment and system/data flow map. Recommendations for architecture, tooling, governance More ❯

to C#. One of our subsidiaries is on a legacy NetSuite operating system and will be migrated to the AS400 early 2026. - We operate many 3rd party systems and software packages, which are fed by CSV extracts from the AS400 system. Many of these systems report similar information; however manual intervention is required to achieve a … delivering short-term discovery and roadmap engagements. Strong stakeholder management, ability to engage with both technical and non-technical stakeholders, advising at Board/Executive level. Experience in legacy-modern integration. Understanding of modern data platforms (Microsoft stack preferred) and governance best practise. Deliverables: Current state assessment and system/data flow map. Recommendations for architecture, tooling, governance 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 ❯

Bristol office. This role involves supporting the continuous development of new software as well as maintaining legacy systems. The development includes both in-house and third-party systems, along with their integration. As a Test Analyst, you will ensure Quality Assurance throughout all stages of development, enhance sprint velocity, and implement the QA Strategy and Plan. You … to user story requirements and acceptance criteria to ensure clarity, conciseness, and testability. You will also be responsible for: Creating and executing manual and automated test plans to ensure systems meet functional specifications and acceptance criteria. Identifying defects or issues for triage and rectification prior to deployment, and completing functional testing of software modules and integrated systems. Leading User 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 ❯

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 ❯

implement CI/CD pipelines for automated rollout and updates of Otel collectors and agents. Work closely with infrastructure, DevOps, and application teams to embed observability into both Legacy and modern systems. Optimise telemetry data ingestion, processing, and storage for reliability and performance. Troubleshoot and resolve issues within observability pipelines and instrumentation layers. Develop internal documentation and establish … record of deploying and managing observability solutions in on-premises infrastructure . Familiarity with CI/CD tools (eg, Jenkins, GitLab CI, GitHub Actions ). Solid knowledge of Linux systems, networking, and containerisation (Docker) . Understanding of monitoring and tracing tools such as Prometheus, Jaeger, Grafana . Strong analytical, troubleshooting, and communication skills. If you are interested in this 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 ❯

lifecycle. On the User Management side, we're responsible for Bloomberg user data, lifecycle management processes, and the infrastructure that powers user-related data across the entire company. Our systems support the full journey of over 6 million users, handling 20+ billion user data requests-enabling virtually every Bloomberg product and service. Without this critical infrastructure, Bloomberg's $13+ … billion in annual revenue wouldn't be possible. We're now embarking on a major modernization effort to refactor our legacy user management systems into a more modular, scalable architecture. This is a rare opportunity to gain deep knowledge, take ownership of key components, and play an active role in reshaping a foundational part of Bloomberg's … technology stack. Technologies We Use: Our tech stack is a blend of modern and battle-tested technologies that power high-scale mission-critical systems: • Languages: C++, Python, JavaScript • Databases: In-house relational database, SQL Server, SOLR • Messaging & Streaming: Kafka, RabbitMq You'll Be Trusted To: • Design and implement resilient, scalable systems that serve as the backbone of Bloomberg More ❯

benefits package Seeking a Software Engineer with an ACTIVE TS/SCI Clearance,experienced with developing software using C++ and Python. Experienced in working with a large-scale legacy software system. Qualifications Required Current Active TS/SCI Clearance Typically requires a Bachelor's degree in Science, Technology, Engineering or Mathematics (STEM) and 2 years of relevant software … software system Experience with tools such as Confluence, Eclipse, Jira, Jenkins, Junit, Kafka, and Spring Boot Responsibilities: Design, develop, test, deliver, and maintain software for satellite ground systems Modernize software systems and upgrade Commercial off-the-shelf COTS and Free and open-source software (FOSS) Work with talented teams of engineers, architects, and leaders in an More ❯

Senior Infrastructure Engineer Glasgow/Flexible VIQU have partnered with a leading industrial systems integrator at the forefront of digital transformation in energy, renewables, water and manufacturing. This is a permanent role for a Senior Infrastructure Engineer with SME-level knowledge across Windows Server, VMware/Hyper-V, and Network infrastructure supporting critical OT environments. Key Responsibilities of the … Lead Engineer: Design and implement secure OT systems involving Windows Server (2016/2019/2022), Virtualisation (VMWare or Hyper-V) and Network infrastructure Define system architectures, hardware specs, and network topologies for project delivery Lead on documentation including FDS, SDS and test specs Conduct FATs (internal and customer), reviews, and QA processes Act as a subject matter expert … during pre-sales, project delivery, and stakeholder engagement Work closely with internal cyber teams to ensure systems are secure by design Key Requirements of the Lead Engineer: 5+ years' experience with Windows Server, VMware/Hyper-V, and Switch/Firewall config preferably in OT or industrial environments Strong background in cyber-secure systems delivery (IEC 62443 or More ❯

Senior Infrastructure Engineer Glasgow/Flexible VIQU have partnered with a leading industrial systems integrator at the forefront of digital transformation in energy, renewables, water and manufacturing. This is a permanent role for a Senior Infrastructure Engineer with SME-level knowledge across Windows Server, VMware/Hyper-V, and Network infrastructure—supporting critical OT environments. Key Responsibilities of the … Lead Engineer: Design and implement secure OT systems involving Windows Server (2016/2019/2022), Virtualisation (VMWare or Hyper-V) and Network infrastructure Define system architectures, hardware specs, and network topologies for project delivery Lead on documentation including FDS, SDS and test specs Conduct FATs (internal and customer), reviews, and QA processes Act as a subject matter expert … during pre-sales, project delivery, and stakeholder engagement Work closely with internal cyber teams to ensure systems are secure by design Key Requirements of the Lead Engineer: 5+ years' experience with Windows Server, VMware/Hyper-V, and Switch/Firewall config—preferably in OT or industrial environments Strong background in cyber-secure systems delivery (IEC 62443 or More ❯

reimagine the way an organization manages their people. We are replacing a 20+ year old legacy system by modernizing the core technology, reducing the number of interdependent systems, and bringing user self-service to our customer. As a PeopleSoft HRMS Application Developer, this is your chance to work with the newest capabilities within Oracle PeopleSoft over the … designing, programming, and testing solutions to complex production problems. Develop test scenarios and test cases. Correct data in critical situations. Qualifications Required: Bachelor's degree in Computer Science, Information Systems Management, Mathematics, Engineering, or a computer-related field. Will consider experience in lieu of degree Five (5) years of experience in information systems implementation, change management efforts or … Three (3) years of technical development experience with PeopleSoft HRMS ERP including recent experience with PeopleSoft 9.x Five (5) years' experience in developing, prototyping, and testing solutions for information systems implementation Two (2) years of experience with ORACLE and SQL commands. Technical development experience with Enterprise Service Bus (ESB) technology. Technical development experience implementing PeopleSoft . Current and active 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 ❯

to tackle the banking industry's toughest challenges. Working with leading banks, challenger brands, and innovative FinTechs around the world, this team delivers transformational digital programs that modernise core systems and build future-ready banking platforms. The Role: Drive performance in your team through pivotal leadership opportunities, utilising agile delivery and next gen technology architectures, using cutting-edge platforms … to implement overall vision. Experience: Experience leading teams, mentoring talent and managing stakeholder relationships. Track record in core system modernisation within Banking or wider Financial Services. Background in complex systems integration, including legacy system migration. Strong end-user requirements gathering and technical design skills in regulated environments. Job Offer: Competitive salary, based on experience Location: London (Hybrid 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 ❯

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 ❯