201 to 225 of 252 Legacy Systems Jobs in England

Domain Architect / Delivery Manager UK Public Sector (Hybrid, Contract)

Hiring Organisation
adesso UK
Location
England, United Kingdom
Manage delivery risks, dependencies, and stakeholder expectations across multi supplier and multi department environments Advise on integration patterns between legacy public sector systems and modern digital platforms Support governance processes, including service assessments, assurance gateways, and reporting to programme boards Evaluate emerging technologies and recommend improvements ...

C# Backend Developer – Hedge Fund

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
tools and applications as well as improving and supporting the existing environment.One of the major projects you’ll be working on is porting existing systems to C# and modernising adjacent systems and applications. This would be a great opportunity for a senior developer looking for a role with … have an input on design and architecture decisions.One of the second major projects you will be working on is porting legacy VB6 systems to C# and modernising in-house systems and applications, in addition to developing new tools and supporting the existing environment.C# Software Engineers Must ...

Information Technology Project Management

Hiring Organisation
Waterstones
Location
Burton Upon Trent, England, United Kingdom
programme, particularly IBM iSeries (AS400), ERP, warehouse management integration, merchandising or customer-built business-critical systems. This is Phase 1 of a broader enterprise systems modernisation programme. The role demands a unique combination of: Technical fluency (integrations, data migration, legacy vs modern architecture awareness) Operational insight (understanding … steering group Ensure Go/No-Go decisions are based on objective evidence What we need from you Significant experience in large, complex systems programmes Proven experience delivering technology transformation programmes within a UK or international retail organisation. Strong understanding of retail business processes including merchandising, store operations, supply ...

SAP ECC/S4 HANA FICO Functional Lead

Hiring Organisation
Agilent Technologies
Location
Polegate, East Sussex, United Kingdom
Salary
£ 70 K
growth mindset of learning and working through uncertainties and challenges.Nice to have, highly preferred: be the lead for Group Reporting and transitioning from legacy system (highly preferred, Oracle EPM) to S4 HANA Group Reporting. Develop and implement best strategies for transition for a successful Finance Transformation from Oracle … Group Reporting’s integration with S/4 HANA, Universal Journal, SAP Fiori Apps., and SAP Analytics Cloud.QualificationsMaster’s degree in Finance, Accounting, Information Systems, or related field.8+ years of experience in SAP FICO (ECC and S/4HANA)Deep techno-functional expertise in at least ...

Senior Quantitative Developer

Hiring Organisation
Centrica - CHP
Location
Hayes, London, United Kingdom
Employment Type
Permanent
broad remit to support the development, and use of, our pricing and risk management models and systems. As well as consulting on software design, systems architecture and software engineering practices. This role can be situated in either our London, Aalborg, Copenhagen or Antwerp office and the successful candidate will … Agile environment Use of math/stats & testing libraries, as well as modern build tools. Ability to refactor code and work effectively with legacy systems. Knowledge of Object Orientation, Software Architecture and Design Patterns. Good understanding of software testing practices (unit testing, integration testing, etc.). Knowledge ...

Lead Product Manager - Contract

Hiring Organisation
VML
Location
London, United Kingdom
Salary
£ 70 K
platforms.Experience delivering workflow, project management, operations or back-office SaaS solutions.Proven experience leading greenfield product development, platform transformation or the replacement of legacy systems.Experience working across multiple product squads, delivery teams or interconnected workstreams.A track record of delivering measurable customer, operational or commercial outcomes—not just features … clients and complex stakeholder groups.Experience operating effectively in a large, global organisation with formal governance and complex decision-making processes.Strong understanding of commerce eco- systems and online Customer Experience , preferably including agency operating models, workflows and client-service environments.Strong understanding of Agile, Lean and modern product management practices, including ...

Lead Mission Software Engineer, Connected Warfare

Hiring Organisation
Anduril Industries
Location
London, United Kingdom
Salary
£ 80 K
bringing the expertise, technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands … networking technology to the military in months, not years.Since 2023, Anduril UK has experienced rapid growth, introducing world-leading software-first, hardware-enabled systems to the UK Ministry of Defence and other government agencies. Our exemplar programme of Maritime Sentry Towers (MST), has been developed and delivered in close ...

Systems Data Analyst

Hiring Organisation
Computappoint
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£370 - £420/annum
Systems Data Analyst | Inside Contract | Hybrid Rate: £350 - £420 per day Contract Duration: Initial 6 Months Hybrid: 40% or less onsite a week (London Industry: Professional Services/Highly Regulated Environment Job Summary: Seeking an experienced Systems Data Analyst to support a major technology transformation programme within … uncover undocumented functionality and data relationships. Contribute to data governance initiatives and promote best practice across projects. Qualifications & Requirements: Demonstrable experience within Data Analyst, Systems Analyst or Database-focused roles. Strong SQL skills and confidence analysing data held across diverse platforms. Solid understanding of data structures, modelling techniques ...

IT Manager 2

Hiring Organisation
Lumentum Operations
Location
Towcester, Northamptonshire, United Kingdom
Salary
£ 80 K
manufacturing functionality and business knowledge during future MES transformation.Partner with enterprise IT and manufacturing leadership to align the Caswell MES roadmap with broader manufacturing systems and digital transformation strategies.Required Qualifications10+ years of experience with Manufacturing Execution Systems (MES), manufacturing applications, or factory automation in semiconductor or high-tech … technical teams, MES teams, application support teams, or manufacturing IT organizations.Strong knowledge of semiconductor manufacturing processes and MES workflows.Significant experience supporting mission-critical manufacturing systems in a 24x7 production environment.Strong knowledge of MES architecture, manufacturing data flows, equipment integration, and enterprise system integration.Experience with PROMIS MES, preferably ...

Data Engineer

Hiring Organisation
Charles Stanley
Location
London, United Kingdom
Salary
£ 100 K
Profile: Join us at a pivotal stage in our data transformation journey as we bring multiple systems together into a unified enterprise data platform. Working with T-SQL, SSIS, and modern data engineering practices, you'll help solve complex integration challenges, build trusted data assets, and shape how data … flows across the organisation.What You’ll Be Doing:Analysis & Design - Partner with Data Analysts to map source systems, refine data models, and design SSIS packages and database schemas.ETL Development & Integration - Redevelop and uplift existing ETL pipelines to bring multiple systems together into a unified warehouse.T‐SQL Engineering - Write ...

Insurance Consulting, Senior Manager (Life & Pensions)

Hiring Organisation
Baringa
Location
London, United Kingdom
Salary
£ 80 K
policy administration platforms, digital servicing solutions or regulatory-driven programmes.You will have experience leading technology transformation and migration programmes, including platform modernisation, legacy policy administration system replacement and large-scale data migrations.You will have experience delivering transformation in key growth areas such as bulk annuities (BPA), pension risk … levels.You will be someone who enjoys building teams, developing people and helping grow a successful practice.Experience of core Life & Pensions platforms (e.g. policy administration systems) is desirable.What a career at Baringa will give you Putting People First. Baringa is a People First company and wellbeing is at the forefront ...

Netsuite Solutions Architect

Hiring Organisation
Nexus Jobs
Location
Milton Keynes, Buckinghamshire, United Kingdom
Salary
£ 60 K
years experience of system design/architecture in cloud-based solutions including a minimum 5 years in NetSuite OneWorld. Multiple Finance ERP systems implementations – in complex Regional or global brown-field environments. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post … initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions.Experience to manage conflicting priorities/complex workload.The NetSuite Solution Architect role will require an in-depth knowledge and use of NetSuite’s OneWorld ...

Data Lead – Fabric, DWH, ETL/ELT, Operations

Hiring Organisation
Bangura Solutions
Location
England, United Kingdom
experience - including Power BI Desktop and Power BI Service. As an operational Data leader, you will have strong experience in supporting 24x7 mission-critical systems with a strong focus on uptime, stability, and service excellence. You will have solid hands-on database design experience with schema development, logical … will act as the Lead supporting enterprise global finance system implementations. Migrating and integrating the legacy finance system into multiple finance systems for the organisation, whereby you will support and be a sponsor for the migration and integration activities into Microsoft Fabric. The ideal Data Leader will ...

Senior PROMIS MES Engineer (VAX/VMS)

Hiring Organisation
Lumentum Operations
Location
Towcester, Northamptonshire, United Kingdom
Salary
£ 60 K
documentation and process improvement skills. Strong customer service mindset with the ability to support cross-functional manufacturing teams. Experience supporting legacy manufacturing systems while contributing to modernization efforts. Preferred Industry Experience Semiconductor Manufacturing Electronics Manufacturing High-Tech Manufacturing Manufacturing Execution Systems (MES) This position is ideal ...

Staff Engineer - Core Markets

Hiring Organisation
9fin
Location
London, United Kingdom
Salary
£ 80 K
architecture across Platform, AI, Retrieval, and shared engineering services.Partner with Engineering Leaders and Staff Engineers to drive technical direction and platform investments.Design scalable backend systems, APIs, and shared platform capabilities.Guide architecture across teams, helping reduce complexity and establish common patterns.Partner with AI and Retrieval teams to build scalable search … reviews, mentoring, and technical leadership.Leverage AI-assisted engineering to improve productivity and accelerate delivery.What we're looking forExperience designing and building large-scale backend systems and distributed architectures.Strong systems design skills and experience leading cross-team technical initiatives.Experience with cloud infrastructure (AWS), Kubernetes, APIs, and modern backend development.Familiarity ...

Senior Software Engineer | Language Products | Full-Stack

Hiring Organisation
DeepL
Location
London, United Kingdom
Salary
£ 80 K
hire Missionaries who obsess over the user experience and the business impact of their code . You will build the interfaces and backend systems that allow a global enterprise to maintain their brand voice across 100+ languages effortlessly, while keeping the experience simple enough for a casual user.Your responsibilitiesOwn … your team.A "System Thinker" for UI/UX: You understand that a simple UI often hides massive backend complexity. You know how to design systems that handle large document states, manage complex terminology rules (Glossaries), and maintain high performance in the browser.Bonus points if you have: experience with visual ...

Desktop Support Engineer - Yeovil

Hiring Organisation
Hackajob Ltd
Location
Yeovil, Somerset, South West, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 ...

Test Engineer

Hiring Organisation
Automation Experts
Location
Colchester, Essex, United Kingdom
Employment Type
Permanent
Salary
GBP 35,000 - 45,000 Annual
looking for a varied role where your expertise genuinely makes a difference? We are supporting a specialist engineering business delivering power management and control systems for some of the world's most demanding applications, including marine and defence sectors. Following a period of investment, they have a newly created … teams. Test Engineer - The Role: Reporting into the Production Manager, you will be responsible for testing, fault-finding and validating electronic and electrical control systems used in highly specialised applications. The role combines production testing, returned equipment investigation and software functionality testing, requiring a methodical engineer who enjoys solving ...

Technology Integration Specialist

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, United Kingdom
Salary
£ 100 K
project management and organizational skills.Project manage large scale firm wide roll outs of applications and infrastructure, user migrations from legacy to newer systems, high impact changes.Project manage business/external driven requirements requiring cross team coordination.Act as liaison between technology teams, business users and external parties during ...

Head of AI Solutions, COO Technology - MD (C16)

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 120 K
Technology portfolio; translate business intent into a concrete, milestone-driven execution roadmap with measurable outcomesDevelop architecture blueprints and end-to-end systems design for Generative AI and agentic workflows across diverse operational domainsBuild the shared AI platform — reusable models, tooling, guardrails, evaluation frameworks, and accelerators — that reduces duplication, lowers … tuning, prompt engineering, retrieval-augmented generation (RAG), vector database design, and evaluation methodologies. You understand how models behave in production, not just in demos.Agentic Systems Design:Proven experience designing and deploying multi-agent architectures and orchestration frameworks (e.g., LangGraph, AutoGen, CrewAI); tool-use patterns, human-in-the-loop workflows ...

Workday Financials Principal Consultant - Functional & Technical

Hiring Organisation
Cognizant
Location
London, United Kingdom
Salary
£ 80 K
knowledge development.Act as a trusted advisor to client stakeholders, maintaining strong relationships throughout the project lifecycle.Support system transitions, including data migration and legacy system replacement.Perform hands-on configuration and technical activities, including:Business process and security configurationData loads (EIBs, iLoads)Integration development and deploymentTenant migration activitiesDesign and deliver … including PECI)Report-as-a-Service (RaaS)REST and SOAP APIsExperience with Workday Extend to build custom applications and enhancements.Experience integrating with third-party systems such as payroll providers, banks, CRM, or other enterprise platforms.Strong understanding of data migration, transformation, and integration patterns.Strong analytical, data-driven, and solution-oriented ...

Contract Lead Azure Platform Engineer

Hiring Organisation
ANDigital
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
from the ground up.You'll take ownership of designing and evolving a greenfield Azure environment, ensuring it integrates seamlessly with existing on-premise legacy infrastructure while enabling future AI and data capabilities.Key Responsibilities:Design and implement enterprise-grade Azure landing zones for a greenfield environment.Lead the discovery, design … iterative development of the Azure platform.Build secure, scalable and resilient cloud architectures aligned with enterprise best practice.Integrate Azure services with existing on-premise legacy estates.Work closely with the Solution Director (AI & Data) and wider stakeholders to define the platform roadmap.Provide technical leadership and architectural guidance throughout the engagement.Support ...

Contract Lead Azure Platform Engineer

Hiring Organisation
Hackajob Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
ground up. You'll take ownership of designing and evolving a greenfield Azure environment, ensuring it integrates seamlessly with existing on-premise legacy infrastructure while enabling future AI and data capabilities. Key Responsibilities: Design and implement enterprise-grade Azure landing zones for a greenfield environment. Lead the discovery … Azure platform. Build secure, scalable and resilient cloud architectures aligned with enterprise best practice. Integrate Azure services with existing on-premise legacy estates. Work closely with the Solution Director (AI & Data) and wider stakeholders to define the platform roadmap. Provide technical leadership and architectural guidance throughout the engagement. ...

Senior Software Engineer - Login Platform

Hiring Organisation
Bloomberg
Location
London, United Kingdom
Salary
£ 80 K
Whenever you access any data in Bloomberg, the information that determines what you can do and what data you can access flows through our systems!We’re evolving our session and authorization infrastructure to support AI agents, MCP-based integrations, and machine-to-machine workflows across Bloomberg systems.We … scaling the infrastructure that powers session creation, enrichment and authorization across Bloomberg. You will:- Design, build, and optimize low-latency, multi-threaded backend systems that handle session and authorization data at scale.- Collaborate with multiple Engineering and Product teams to deliver a reliable and secure login experience.- Contribute ...

Data Engineer

Hiring Organisation
Asset Resourcing
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£60,000
Data Engineer Permanent | £55,000-£60,000 | Gloucester/Hybrid Our client, a well-established business currently modernising its finance systems, is looking for a Data & Analytics Engineer to take ownership of a critical piece of their new finance data infrastructure. Background: The business recently completed a major finance … system implementation via a third-party partner. During that project, a gap emerged requiring a middleware layer to bridge legacy and new systems; the interim solution built to plug that gap is overly complex and not functioning reliably. Rather than continue funding the third party ...