26 to 43 of 43 Legacy Systems Jobs in the South East

Project Manager

Hiring Organisation
Hireful
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Temporary, Work From Home
Salary
£70,000
visibility, alignment, and clear communication across every workstream. Coordinating the delivery of new software features to customers, platform migration projects from legacy systems to the new product, and sales and marketing implementation projects. Owning the plan, not the delivery - you will work with the teams to drive ...

Xero Implementation Lead

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
likely already be working as one of the following: Xero Implementation Manager Xero Practice Manager/Practice Lead Cloud Accounting Manager (Xero-focused) Accounting Systems Implementation Manager Xero Specialist/Senior Xero Specialist Digital Accounting Manager (Xero-focused) What you'll be doing Leading end-to-end Xero implementations … client migrations Onboarding SMEs onto Xero from legacy systems Acting as the internal Xero subject matter expert Delivering Xero training for internal teams and clients Troubleshooting complex Xero setup, workflow, and integration issues Building scalable onboarding guides, FAQs, and training resources Improving implementation processes and reducing support ...

Solutions Architect

Hiring Organisation
Solus Accident Repair Centres
Location
Stansted, Birchanger, Essex, United Kingdom
Employment Type
Permanent
Salary
£50000 - £65000/annum
aligned to our technology strategy. You will partner with Product, Platform, Cyber, Operations, Change and business stakeholders to reduce complexity, modernise legacy systems and support confident decision making across the organisation. Location: Fully remote (UK based). Responsibilities Define and maintain our enterprise and target state architecture ...

AS400/RPG Application Support Engineer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
ensure timely resolution of production issues. Work closely with business users and cross functional teams to ensure system stability. Support Legacy systems with a focus on availability, performance, and reliability. Required Skills: Strong hands-on experience in AS400/IBM iSeries Expertise ...

Xero Trainer / Consultant

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
essential Strong track record of implementing Xero for small business clients Experience supporting clients through full Xero setup and migrations from legacy systems Ability to troubleshoot and resolve complex Xero-related issues Experience delivering structured training to internal or external stakeholders Excellent communication skills, with the ability ...

Xero Consultant

Hiring Organisation
Robert Half Limited
Location
South East London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500 per day
essential Strong track record of implementing Xero for small business clients Experience supporting clients through full Xero setup and migrations from legacy systems Ability to troubleshoot and resolve complex Xero-related issues Experience delivering structured training to internal or external stakeholders Excellent communication skills, with the ability ...

Domain Architect Irish Energy market

Hiring Organisation
Centrica - CHP
Location
Windsor, Berkshire, South East, United Kingdom
Employment Type
Permanent
understanding of Irish industry processes (e.g., market flows, Gas/Elec market interactions, DSOs/TSOs, regulatory cycles), integrations to legacy BGE systems, and upstream/downstream impacts. Ensure architectures are robust, operable, cost-efficient, and able to scale for customer growth and increased digital adoption. Work … Core Competencies & Technical Skills (AI and emerging technology): Designs, integrates and operates AI-enabled solutions within enterprise environments, including prompt driven workflows, retrieval-augmented systems and AI agents. Applies structured evaluation, testing and monitoring practices to ensure AI outputs are reliable, secure and compliant with organisational guardrails. Prepares ...

Lead Data Engineer

Hiring Organisation
Eutopia Solutions Limited
Location
Andover, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£90,000
Previous team leadership or mentoring experience Strong understanding of data architecture, engineering best practices, and data quality Comfortable working with legacy source systems and improving data reliability Able to communicate effectively with both technical and business stakeholders Why Apply? Newly created role with significant ownership and influence ...

Boomi Developer

Hiring Organisation
BOSS Professional Services LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£575 - £675 per day
Specific Experience (Highly Desirable) Whilst ERP experience is a must, direct experience building integrations out of Infor LN (or legacy Baan systems). Familiarity with Infor LN’s database schemas and functional tables (Finance, Logistics, Procurement, Warehousing, or Manufacturing modules). Understanding of how Infor LN interacts ...

Contract Data Architect

Hiring Organisation
Connells Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Hybrid Integration Design; Lead the design and implementation of data solutions that integrate Azure cloud-native services with legacy SQL Server systems and third-party APIs and data feeds. Data Modelling and Standards; develop and enforce data modelling standards (conceptual, logical, physical) across platforms. Promote reuse, consistency … stakeholders. Experience and Skills Required: Experience with Data Architecture and governance, public-cloud platforms (Azure, AWS, GCP) , SQL Server, data integration with third-party systems, ideally Microsoft Fabric Experience with data modelling and metadata management Experience in developing common data models for core business concepts Experience of CRM system ...

Contract Test Technician

Hiring Organisation
Redline Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£20 - £25 per hour
working hours of 08:30-16:30. You'll be working on returned units from the field, many of which are legacy systems, carrying out fault finding, testing, and supporting repair and quoting processes. The environment is hands-on and fast-paced, with a strong pipeline ...

Senior BI Data Architect (8 Month FTC)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£87,000 - £97,000 per annum
expect to be involved in the following: Design and implement a governed Databricks Lakehouse, including catalog and data structures. Migrate complex legacy SQL into clean, modular, and maintainable pipelines. Build scalable transformation frameworks using Spark and Python or SQL-based pipelines. Optimise query performance across large datasets, improving … Delta Lake, Unity Catalog, and SQL Warehousing. Advanced SQL skills with a focus on performance tuning and optimization. Experience migrating legacy data systems into scalable architectures. Proven ability to design and build data pipelines using Spark and Python or SQL. Strong understanding of data modelling, including star ...

NetSuite Technical Lead - Remote working

Hiring Organisation
Communicate Recruitment Solutions LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
build, and maintain NetSuite customisations using SuiteScript (1.0 and 2.0/2.1) and SuiteFlow workflows Develop scalable and maintainable enhancements aligned with business requirements Systems Integration Design, implement, and support integrations between NetSuite and third-party applications Work with REST/SOAP APIs and data formats such as JSON … reporting requirements across teams Troubleshooting & Optimisation Diagnose and resolve script errors, integration issues, and system performance bottlenecks Lead performance optimisation initiatives, including refactoring legacy scripts and improving system efficiency Release & Change Management Manage deployment of customisations across Sandbox and Production environments Ensure controlled releases with minimal disruption ...

Servicenow Architect

Hiring Organisation
CODEVERSE LIMITED
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £80,000 per annum
spearhead the migration of legacy ITSM tooling and Design Tooling platforms while establishing a robust integration framework that connects ServiceNow with enterprise systems at scale. KEY RESPONSIBILITIES Platform Architecture & Strategy Define and own the end-to-end ServiceNow architecture, ensuring alignment with enterprise technology strategy and business … oversight, and ensure compliance with ServiceNow best practices and ITIL/TOGAF frameworks. ITSM & Design Tooling Migration Lead the full lifecycle migration from legacy ITSM platforms to ServiceNow, including data migration, process re-engineering, and stakeholder change management. Define migration strategies including phased cut-overs, parallel runs, data ...

Deskside Support Engineer - Southampton

Hiring Organisation
DXC
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
around the area to help cover Leave at sites (within a 2hr travel) What we're looking for: Microsoft Windows 10, and 11 Operating Systems Deployment, configuration, and support Support Microsoft Office 2016 onwards Proven and demonstrable software and hardware troubleshooting skills, experience in a Deskside Support role Knowledge … team or independently Desirable skills/qualifications: Microsoft Windows 10 and/or 11 training, certification, and experience Legacy Operating Systems Active Directory management Understanding of Microsoft SCCM Experience of Microsoft Entra Experience of Trellix EPO and client-side agents Experience of client-side Wi-Fi configuration ...

Senior Software Engineer

Hiring Organisation
Meritus Talent
Location
Portsmouth, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
Senior Software Engineer (SFIA 5) to join a leading Central Government defence organisation, supporting the development, maintenance, and modernisation of complex mission critical software systems within a highly secure engineering environment. SENIOR SOFTWARE ENGINEER (SFIA 5) - PORTSMOUTH - PERMANENT - UP TO £90,000 - ACTIVE DV CLEARANCE REQUIRED - 3 DAYS ONSITE … complex software estate, where reliability, performance, and long term maintainability are critical. You will be working hands on across legacy and modern systems, driving improvement in code quality, resolving high severity defects, and supporting the evolution of engineering standards across the team. The environment is highly collaborative ...

Network Automation Developer

Hiring Organisation
Certain Advantage
Location
South East London, London, United Kingdom
Employment Type
Temporary
orchestration and configuration management. Implementing security best practices across automation platforms, CI/CD pipelines, and infrastructure deployments. Integrating automation platforms with enterprise systems using APIs, webhooks, and event-driven workflows. Creating reusable templates, frameworks, and standards to improve automation consistency across teams. Producing technical documentation, operational procedures … platforms within production environments. Solid understanding of automation and CI/CD security best practices, including RBAC, secrets management, and pipeline hardening. Experience integrating systems using REST APIs and event-driven architectures. Familiarity with Azure cloud services and cloud-native automation approaches. Does this sound like your next career ...

Senior Kotlin Engineer (XP, GCP) - Investment Banking - London

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £800 per day
Capital Markets. You will join a high-calibre London-based front office engineering team working on a next-generation issuance platform replacing a legacy bookbuilding system. This is a hands-on engineering role with a strong emphasis on Extreme Programming (XP) practices, including mob programming, test-driven development … store Artifact Registry and Cloud Logging Key Management Experience with CI/CD and SDLC in regulated or enterprise environments Comfortable working on production systems requiring high availability and accuracy Engineers in this role: Work primarily in mobs, sharing ownership of design and code Build, test, and evolve services ...