23 of 23 Legacy Systems Jobs in the Thames Valley

mission-critical data migration projects. You'll be part of an expert unit supporting onboarding for a new cloud platform - working directly with raw datasets from legacy systems and transforming them into future-ready digital infrastructure. What You'll Be Doing: Leading data migration and ETL projects for UK public sector software implementations Analysing and mapping legacy database schemas (Oracle, SQL Server, Postgres) Extracting raw data from legacy systems, often with limited documentation Writing and executing SQL scripts and/or using ETL tools to build data pipelines Creating transformation logic and performing reconciliation and validation Working closely with customers and internal teams to troubleshoot and ensure smooth migrations This role is … Problem-solving mindset when facing incomplete or messy data A consulting approach - proactive, collaborative, and detail-driven Nice to Have: Experience with UK Local Government datasets or public sector systems Familiarity with cloud platforms (Azure, AWS, GCP) Knowledge of spatial data tools (ArcGIS, QGIS) Experience with document management systems and data validation processes What's in it for More ❯

problems. About the Role: You will spearhead the development and enhancement of enterprise-level reporting capabilities, leading the migration and integration of reporting frameworks from various legacy systems into Oracle Fusion. This role demands a commitment to ensuring data accuracy, performance, and business alignment, delivering reliable, insightful, and scalable reporting solutions in close collaboration with stakeholders. Key … Responsibilities: Lead the development and enhancement of enterprise-level reporting capabilities within Oracle Fusion. Lead the migration and integration of reporting frameworks from legacy systems into Oracle Fusion. Ensure data accuracy, performance, and business alignment of all reporting solutions. Collaborate closely with stakeholders to deliver reliable, insightful, and scalable reporting solutions. Essential Skills & Experience: Deep expertise in More ❯

Apply: Joining a busy Application Services Development Team, you will be supporting the enhancements and modifications of key Policing applications as well as the migration of legacy systems to new systems and necessary integrations. It's a fascinating role developing and enhancing a Police Forces Applications, (as well as the API's so that they integrate More ❯

seasoned AWS Data Engineer to join our team and contribute to the development of scalable, secure, and high-performance data solutions. This role involves modernizing mainframe legacy systems, building robust data pipelines, and enabling advanced analytics using AWS-native technologies. You’ll collaborate with cross-functional teams and play a key role in shaping our data strategy. … using AWS S3, with strong understanding of data lifecycle, access control, and performance optimization. Hands-on experience migrating data from Mainframes to AWS, including transformation and validation of legacy formats. Proficiency in reading and processing VSAM data using Copybooks and the Cobrix library. Experience implementing data retention and archival strategies in cloud environments. Strong understanding and practical implementation … documentation skills to clearly articulate data flows, architecture decisions, and technical findings. Experience with pair programming, conducting code reviews, and mentoring team members. Proven ability to reconcile data across systems and ensure data quality and integrity. Experience with data cataloging and metadata management using tools like AWS Glue Data Catalog. Demonstrated self-sufficiency in exploring new tools, troubleshooting issues More ❯

Strong technical expertise in: Google Cloud Platform (GCP) New Relic (APM, Infrastructure, Alerts, Dashboards) Cloudflare (Performance & Security or similar providers) Track record of driving change, challenging legacy systems and improving processes Excellent stakeholder management and communication skills A transformational mindset focused on delivery and long-term impact If you're a hands-on Contract Lead DevOps Consultant More ❯

Strong technical expertise in: Google Cloud Platform (GCP) New Relic (APM, Infrastructure, Alerts, Dashboards) Cloudflare (Performance & Security or similar providers) Track record of driving change, challenging legacy systems and improving processes Excellent stakeholder management and communication skills A transformational mindset focused on delivery and long-term impact If you're a hands-on Contract Lead DevOps Consultant More ❯

Strong technical expertise in: Google Cloud Platform (GCP) New Relic (APM, Infrastructure, Alerts, Dashboards) Cloudflare (Performance & Security or similar providers) Track record of driving change, challenging legacy systems and improving processes Excellent stakeholder management and communication skills A transformational mindset focused on delivery and long-term impact If you're a hands-on Contract Lead DevOps Consultant More ❯

Strong technical expertise in: Google Cloud Platform (GCP) New Relic (APM, Infrastructure, Alerts, Dashboards) Cloudflare (Performance & Security or similar providers) Track record of driving change, challenging legacy systems and improving processes Excellent stakeholder management and communication skills A transformational mindset focused on delivery and long-term impact If you're a hands-on Contract Lead DevOps Consultant More ❯

Strong technical expertise in: Google Cloud Platform (GCP) New Relic (APM, Infrastructure, Alerts, Dashboards) Cloudflare (Performance & Security or similar providers) Track record of driving change, challenging legacy systems and improving processes Excellent stakeholder management and communication skills A transformational mindset focused on delivery and long-term impact If you're a hands-on Contract Lead DevOps Consultant More ❯

processes. Collaborate on client solutions including Office 365, Azure, Hyper-V/VMware, firewalls, and more. Scope and assist in project rollouts—from onboarding new clients to upgrading legacy systems. What We’re Looking For: Proven experience in a 2nd/3rd Line Support role within an MSP or similar environment. Proven experience leading and mentoring other engineers. More ❯

multiple development efforts to ensure alignment with requirements, expectations, and compliance regulations. Collaborate with programmers, database administrators, and technical specialists. Work closely with analysts to understand legacy systems, business processes, and data. Build expertise in ERP implementation/Support best practices. Lead and execute functional testing, including test scenario development, documentation, and validation testing for interfaces and More ❯

implementation team Manage project plans, milestones, risks, and budgets across HR, Payroll, IT, and Finance Oversee system configuration, UAT, and deployment activities Coordinate data migration from legacy systems and integration into enterprise data structures Develop training and change plans to support adoption across HR and the wider business Drive continuous improvement and post-go-live optimisation What More ❯

role will define the integration strategy and patterns, lead the development of integrations using Microsoft Azure PaaS, and support the interim and long-term transition from legacy systems to cloud-native platforms. This position requires hands-on technical leadership, strategic planning, and strong team management skills. - Strong hands-on experience in designing and delivering integrations using Microsoft More ❯

Lead on key campaign streams and work closely with Marketing and Operations teams TOOLS & TECH SQL (core to the role) Salesforce Marketing Cloud (SFMC) – plus some legacy systems Power BI – moving into more advanced reporting and dashboarding WHO YOU’LL WORK WITH You’ll be reporting into a Head of CRM Analytics who’s hands-on, collaborative More ❯

specialising in industrial control system upgrades and telemetry solutions are recruiting for an Instrumentation & Controls Technician, their core focus is the water industry, where they replace legacy systems to deliver improved reliability, safety, and performance. Their expertise spans PLCs, HMIs, SCADA, RTUs, and communication systems, covering the full project lifecycle from design and integration through to … varied and rewarding role that combines hands-on site work with technical office-based tasks. You ll be responsible for the installation, investigation, and remediation of telemetry and ICA systems, as well as configuring RTUs and SCADA systems. The role offers a mix of practical engineering and technical configuration work, with regular travel to Ireland included. Job Responsibilities: Install … equipment (RTUs, comms panels, and related infrastructure). Diagnose, investigate, and remediate RTU issues, including configuration changes. Perform SCADA configuration updates. Carry out site surveys for ICA and telemetry systems, producing accurate asset records and recommendations. Produce clear post-remediation reports for RTU works. Conduct commissioning and site acceptance testing of RTUs and control systems. Prepare and follow safety More ❯

specialising in industrial control system upgrades and telemetry solutions are recruiting for an Instrumentation & Controls Technician, their core focus is the water industry, where they replace legacy systems to deliver improved reliability, safety, and performance. Their expertise spans PLCs, HMIs, SCADA, RTUs, and communication systems, covering the full project lifecycle — from design and integration through to … varied and rewarding role that combines hands-on site work with technical office-based tasks. You’ll be responsible for the installation, investigation, and remediation of telemetry and ICA systems, as well as configuring RTUs and SCADA systems. The role offers a mix of practical engineering and technical configuration work, with regular travel to Ireland included. Job Responsibilities: Install … equipment (RTUs, comms panels, and related infrastructure). Diagnose, investigate, and remediate RTU issues, including configuration changes. Perform SCADA configuration updates. Carry out site surveys for ICA and telemetry systems, producing accurate asset records and recommendations. Produce clear post-remediation reports for RTU works. Conduct commissioning and site acceptance testing of RTUs and control systems. Prepare and follow safety More ❯

strategic, commercial focused Project Manager to help improve the company's pricing strategy, aiming to deliver cost efficiencies, streamline processes, and modernise technology infrastructure by reducing reliance on legacy systems. Key Skills: Well established stakeholder management skill set Strong communication skills Understanding of the implications to commercial teams and therefore how manage an appropriate narrative Comfortable working in More ❯

H3O? At H3O, were more than just another IT provider. We design and deliver technology that keeps food on shelves, production lines moving, and businesses operating under pressure. Our systems run in factories, warehouses, and production environments where downtime isnt an option. The work you do here directly impacts real people, every single day. Were looking for engineers who … Microsoft Office tools (Word, Excel), and IIS. Excellent communication skills, able to explain technical issues to both technical and non-technical audiences. Desirable Skills Knowledge of VB.Net or legacy Visual Basic 6 systems. Familiarity with LINQ to SQL and Kendo UI/Telerik frameworks. Experience in Windows Mobile/Tablet development. Understanding of PLC ladder logic (Allen Bradley More ❯

H3O? At H3O, were more than just another IT provider. We design and deliver technology that keeps food on shelves, production lines moving, and businesses operating under pressure. Our systems run in factories, warehouses, and production environments where downtime isnt an option. The work you do here directly impacts real people, every single day. Were looking for engineers who … Microsoft Office tools (Word, Excel), and IIS. Excellent communication skills, able to explain technical issues to both technical and non-technical audiences. Desirable Skills Knowledge of VB.Net or legacy Visual Basic 6 systems. Familiarity with LINQ to SQL and Kendo UI/Telerik frameworks. Experience in Windows Mobile/Tablet development. Understanding of PLC ladder logic (Allen Bradley More ❯

H3O? At H3O, were more than just another IT provider. We design and deliver technology that keeps food on shelves, production lines moving, and businesses operating under pressure. Our systems run in factories, warehouses, and production environments where downtime isnt an option. The work you do here directly impacts real people, every single day. Were looking for engineers who … Microsoft Office tools (Word, Excel), and IIS. Excellent communication skills, able to explain technical issues to both technical and non-technical audiences. Desirable Skills Knowledge of VB.Net or legacy Visual Basic 6 systems. Familiarity with LINQ to SQL and Kendo UI/Telerik frameworks. Experience in Windows Mobile/Tablet development. Understanding of PLC ladder logic (Allen Bradley More ❯

Type: Permanent/Client-Facing Role About the Role Entasis Partners is supporting a leading consultancy to secure an experienced Enterprise Architect to drive technology and platform strategy, legacy system modernisation, and M&A integration initiatives. This is a high-impact, client-facing role where you’ll partner with senior stakeholders to define technology roadmaps, rationalise complex IT … technology and platform strategies to support business transformation objectives. Lead legacy system modernisation, including cloud migration, platform consolidation, and process optimisation. Drive M&A integration initiatives, aligning systems, data, and processes across organisations. Advise on enterprise architecture frameworks and best practices to ensure scalable, secure, and future-ready IT landscapes. Mentor and guide cross-functional teams, fostering … senior stakeholders. What We’re Looking For from the Lead Enterprise Architect Proven experience as an Enterprise Architect focused on technology and platform strategy. Hands-on experience with legacy system modernisation, cloud platforms (Azure, AWS, GCP), and IT transformation programmes. Experience leading or supporting M&A integration projects, including system consolidation and rationalisation. Strong stakeholder management and influencing More ❯

+NPPV3 clearance required +Remote workling +£500 a day +Inside IR35 We are seeking an experienced GIS Consultant to support our client on a key project, migrating from existing systems to a new GIS platform. This is a consulting-led role with a strong technical focus, guiding the business through the transition from ESRI to QGIS . Key Responsibilities … Lead the migration from legacy GIS systems to QGIS. Provide consulting expertise on best practices, configuration, and optimisation of QGIS. Collaborate with stakeholders to ensure smooth integration and data accuracy. Support and train internal teams on the new GIS environment. Required Skills & Experience Proven background as a GIS Consultant . Hands-on expertise with QGIS (and ideally More ❯

gather requirements and define scalable solutions. Facilitate workshops, CRP, SIT, and UAT sessions across European business units. Integration & Data Migration Oversee integrations with Oracle Cloud modules and external logistics systems using OIC, REST APIs, and web services. Manage FBDI/ADFDI-based data migration from legacy systems. Reporting & Analytics Develop OTBI and BI Publisher reports for order More ❯