1 to 25 of 179 Legacy Systems Jobs in London

Bachelor's degree in computer science, Engineering, related field, or equivalent experience. Substantial hands-on technical experience with mainframe, non-x86 legacy systems and with technologies such as COBOL, JCL, CICS, DB2 for z/OS, Assembler, PL/I, Java, Rexx, flat/sequential files, GDGs … and VSAM. Proven track record in a technical lead role migrating workloads from mainframe and non-x86 legacy systems to distributed x86 infrastructures either on-premises or on to the Cloud. Deep experience integrating mainframe and non-x86 legacy systems with distributed Linux-based … audiences AWS associate or professional level certifications (e.g., Solutions Architect Associate or Professional, DevOps Engineer Professional) preferred Experience leading customers with mainframe and legacy modernization initiatives. Experience with tools and methodologies used to migrate mainframe workloads via hardware/middleware emulation, automated code conversion, and re-platforming. Experience More ❯

Bachelor's degree in computer science, Engineering, related field, or equivalent experience. Substantial hands-on technical experience with mainframe, non-x86 legacy systems and with technologies such as COBOL, JCL, CICS, DB2 for z/OS, Assembler, PL/I, Java, Rexx, flat/sequential files, GDGs … and VSAM. Proven track record in a technical lead role migrating workloads from mainframe and non-x86 legacy systems to distributed x86 infrastructures either on-premises or on to the Cloud. Deep experience integrating mainframe and non-x86 legacy systems with distributed Linux-based … audiences. AWS associate or professional level certifications (e.g., Solutions Architect Associate or Professional, DevOps Engineer Professional) preferred. Experience leading customers with mainframe and legacy modernization initiatives. Experience with tools and methodologies used to migrate mainframe workloads via hardware/middleware emulation, automated code conversion, and re-platforming. Experience More ❯

team. You will get a lot of independence and responsibility right away, and you'll learn at an unprecedented speed! No legacy systems, no corporate bureaucracy, no multiple levels of approvals. It is up to you to make an impact. You will act like an owner and … environment - you will work very closely with the CEO, CTO, Head of Trading and the rest of the management team. No legacy systems and bureaucracy; access to high performance low latency infrastructure. A cool office in central London with a sci-fi touch. Aligned incentive structure: a More ❯

role, you will be responsible for leading various Fixed Income Commodity Projects required to support business growth. Focus will be to migrate to strategic systems from legacy systems, support industry mandates, and a variety of business-enabled Front to Back Projects. Responsibilities Serve as the project More ❯

is hands on - includes both technical implementation and thought leadership. Drive the design and development of system architecture, work with end-users of the systems, and enhance the quality of deliverables. Ensure staff follows Citi documented policy and procedures as well as maintain desktop procedures and supporting documentation for … seen as the engineering role model for the organization. Ability to work directly with trading and quant teams. Proven track record of building new systems, replacing legacy systems and renovating existing systems. The candidate will have a strong systems (software, hardware, networks) knowledge required to More ❯

assets. Our flagship product, the Ownera Router, powered by the open FinP2P protocol, enables seamless connectivity between institutions, blockchains, and legacy financial systems to unlock new opportunities in digital asset trading and tokenization. Job Overview As a Solutions Engineer , you will partner with the Sales, Product, and … Engineering, Finance, or a related field. Strong understanding of blockchain technology, digital assets, and tokenization. Experience with financial infrastructure, APIs, and legacy systems integration. Beneficial to have experience with scripting (Python, Bash), knowledge of Kubernetes/Docker, or experience working with financial data platforms. Sales & Business Development More ❯

assets. Our flagship product, the Ownera Router, powered by the open FinP2P protocol, enables seamless connectivity between institutions, blockchains, and legacy financial systems to unlock new opportunities in digital asset trading and tokenization. Job Overview As a Solutions Engineer , you will partner with the Sales, Product, and … Engineering, Finance, or a related field. Strong understanding of blockchain technology, digital assets, and tokenization. Experience with financial infrastructure, APIs, and legacy systems integration. Beneficial to have experience with scripting (Python, Bash), knowledge of Kubernetes/Docker, or experience working with financial data platforms. Sales & Business Development More ❯

SAP Project Systems - Sr Manager IT Architecture Apply locations United Kingdom - Uxbridge posted on Posted 2 Days Ago job requisition id R At Gilead, we're creating a healthier world for all people. For more than 35 years, we've tackled diseases such as HIV, viral hepatitis, COVID … are valued, and everyone feels respected and empowered to bring their authentic selves to work. Job Summary The role for S4/Hana Projects Systems will drive successful business process improvement and technical resolution of emerging Project system issues and requests. The role will partner with business subject matter … in the areas of Report-to-Record, Projects, Source-to-Settle, and Plan-to-Deliver. Essential Duties and Job Functions: Understand the SAP Project systems technology landscape and how it affects the business operations. Interact with business to understand business requirements to conclude solutions, configuration, testing and support. Demonstrated More ❯

very important for this position. Must be an excellent problem solver and adept writing documentation for all projects. You ideally have worked on banking systems particularly Core Banking. Responsible for the development and delivery of new systems to automate and streamline processes required by different departments. To support … the internal IT department with changes and upgrades to software platforms. To be primary contact for all technical questions relating to in-house bespoke systems and interfacing. Analysis of issues pertaining to problems or errors raised by in-house systems, i.e. CORE, SharePoint interface, Equation, Kondor, Eximbills, end … introduce automation of processes thereby eliminating the need for duplicate entry. Utilise web services to integrate from cutting edge technology into legacy systems such as Equation. Integrate with all the systems using data abstraction and connectivity layers, i.e. ODBC, ADO.net. Duties Maintain knowledge of all applicable More ❯

teams offer you an environment that will present you with exciting challenges - be it through the support and further development of legacy systems or the introduction of modern technologies such as AI, machine learning and highly automated trading applications. Our Technology department of around 300 employees works … a multi-year project to revamp a large part of our equity trading technology stack. This greenfield project will involve designing and implementing new systems, such as pre/post-trade risk engines, market data distribution, reference data handling, and the build-up of trading gateways, while also aligning … the system supports global equity market trading with high availability. Develop bespoke trading workflows tailored to clients across multiple trading desks. Design and optimise systems to dynamically scale in response to market events such as interest rate decisions or breaking news. Collaborate closely with other IB Engineering teams and More ❯

Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the fastest-growing SaaS companies in history, we surpassed $2B in revenue in our last fiscal year with extensive growth potential ahead. At the heart … environment. Join us in transforming the life sciences industry , committed to making a positive impact on its customers, employees, and communities. The Role Veeva Systems is looking for a Migration Architect who will become a leading member of our EU Professional Services group, providing migration solutions on project teams … close proximity to an airport and are able to meet future travel requirements. Short visits to customer sites in Europe are very likely. Veeva Systems does not anticipate providing sponsorship for employment visa status for this employment position. What You'll Do Provide subject matter expertise on the Vault More ❯

Technology for Group and Operations The Enterprise Solution Architect for Technology plays a critical role in shaping Aztec Group's technology landscape, ensuring that systems, integrations, and data architectures align with business objectives and market needs. Reporting to the Director for Group and Operations, you will define and govern … key advisor to senior stakeholders, the Enterprise Solution Architect will bridge business needs with technology capabilities, contributing to the transformation of legacy systems and integrating cutting-edge solutions to optimize operational workflows and processes. Key responsibilities: Enterprise Architecture & Strategy Define and maintain the technology architecture for Technology … for process improvements and drive initiatives to enhance the overall technology landscape. Qualifications & Experience Bachelor's or master's degree in computer science, Information Systems, or related field. Enterprise Solution Architecture Expertise: 10 years + experience as a Enterprise/Senior Solution Architect within a global/national organisation More ❯

very important for this position. Must be an excellent problem solver and adept writing documentation for all projects. You ideally have worked on banking systems particularly Core Banking. Responsible for the development and delivery of new systems to automate and streamline processes required by different departments. To support … the internal IT department with changes and upgrades to software platforms. To be primary contact for all technical questions relating to in-house bespoke systems and interfacing. Analysis of issues pertaining to problems or errors raised by in-house systems, i.e. CORE, SharePoint interface, Equation, Kondor, Eximbills, end … introduce automation of processes thereby eliminating the need for duplicate entry. Utilise web services to integrate from cutting edge technology into legacy systems such as Equation. Integrate with all the systems using data abstraction and connectivity layers, i.e. ODBC, ADO.net. ?Duties Maintain knowledge of all applicable More ❯

very important for this position. Must be an excellent problem solver and adept writing documentation for all projects. You ideally have worked on banking systems particularly Core Banking. Responsible for the development and delivery of new systems to automate and streamline processes required by different departments. To support … the internal IT department with changes and upgrades to software platforms. To be primary contact for all technical questions relating to in-house bespoke systems and interfacing. Analysis of issues pertaining to problems or errors raised by in-house systems, i.e. CORE, SharePoint interface, Equation, Kondor, Eximbills, end … introduce automation of processes thereby eliminating the need for duplicate entry. Utilise web services to integrate from cutting edge technology into legacy systems such as Equation. Integrate with all the systems using data abstraction and connectivity layers, i.e. ODBC, ADO.net. Duties Maintain knowledge of all applicable More ❯

data scientists, analysts, business stakeholders) to develop and optimize data pipelines, workflows, and data models. Guide and support the migration of legacy systems to Databricks, ensuring seamless transitions from legacy to cloud-based environments. Ensure data integrity, security, and compliance with financial industry regulations. Build More ❯

while helping customers decarbonize. With significant growth ambitions, Shell Energy is modernizing its Energy Trading Risk Management System (ETRM) platform, replacing legacy systems with new cloud-hosted Endur systems and supporting growing businesses in Asia, Australia, and LNG trading. As the Software Engineer who is skilled More ❯

a small team and play a key role in developing and managing data integration projects as our client transitions data from legacy systems into modern infrastructure, reporting and analytics. The key responsibilities for the post include; Design and develop a modern data warehouse (Azure or Snowflake), capable … work independently or in a team. Effective communication and interpersonal skills to foster relationships with stakeholders at all levels. Degree in Computer Science, Information Systems, Data Science or a related field. Salary will be dependent on experience and likely to be in the region of £60,000 - £70,000. More ❯

Operations Finance teams access, analyze, and leverage data across the organization. The successful candidate will execute the 3-Year Data Infrastructure Modernisation strategy, transitioning systems to frameworks built on data lakehouse architecture and cloud-first designs. Leadership will be crucial in navigating the complex landscape of interdependent tools and … the organization. Key job responsibilities 1. Lead the execution of the 3-Year Data Infrastructure Modernisation strategy, overseeing the transition from legacy systems to modern data lakehouse architecture. 2. Develop and implement comprehensive plans for deprecating legacy data platforms and migrating to the central data More ❯

growth, experience-driven business. You'll lead the development of scalable, secure, and future-proof cloud strategies, guiding the transformation of legacy systems and setting the vision for cloud-first, edge-aware architecture. This is a unique opportunity to architect solutions that impact millions of guests worldwide … some of the most iconic entertainment brands. Key Responsibilities Develop and implement scalable and secure cloud infrastructure strategies. Lead the migration of on-premises systems to cloud platforms (AWS, Azure, GCP). Define infrastructure roadmaps and integrate edge computing for global attractions. Ensure governance, compliance, and security across all … desirable. Proven track record of successful cloud migrations and adoption of cloud-first strategies. Strong knowledge of IaC (Terraform, Ansible, CloudFormation). Familiarity with systems like Oracle Simphony and Opera, and open API architectures. Understanding of cloud governance, security frameworks, and compliance (GDPR, ISO 27001, SOC 2). Proficiency More ❯

growth, experience-driven business. You'll lead the development of scalable, secure, and future-proof cloud strategies, guiding the transformation of legacy systems and setting the vision for cloud-first, edge-aware architecture. This is a unique opportunity to architect solutions that impact millions of guests worldwide … some of the most iconic entertainment brands. Key Responsibilities Develop and implement scalable and secure cloud infrastructure strategies. Lead the migration of on-premises systems to cloud platforms (AWS, Azure, GCP). Define infrastructure roadmaps and integrate edge computing for global attractions. Ensure governance, compliance, and security across all … desirable. Proven track record of successful cloud migrations and adoption of cloud-first strategies. Strong knowledge of IaC (Terraform, Ansible, CloudFormation). Familiarity with systems like Oracle Simphony and Opera, and open API architectures. Understanding of cloud governance, security frameworks, and compliance (GDPR, ISO 27001, SOC 2). Proficiency More ❯

within our Business Services and Outsourcing Stream consists of cloud accounting specialists that support businesses with the implementation and migration from legacy systems to innovative cloud accounting. We are supported by integration partners offering systems designed to enhance productivity, operational performance, the control environment, business agility … production of timely management information. You will also be working with clients to transform their finance function through the application of technology, identifying suitable systems to help them achieve their aims. You will take responsibility for client onboarding, migration and configuration of the selected cloud accounting systems, work … closely and manage members of the team to ensure our clients' requirements are met. If you are interested in accounting systems and how they can be utilised to transform finance functions into a lean, efficient and automated engine for any business, come and join us! You'll be someone More ❯

of the DealCloud platform, ensuring seamless functionality and troubleshooting issues. Support system integrations and monitor application performance. Manage data migration from Legacy systems, ensuring accuracy and integrity. Collaborate with Investment Bankers, Operations, Business Support, and IT teams to tailor DealCloud to business needs. Drive a modern IT … and stakeholder management skills. Knowledge of Investment Banking best practices and regulatory requirements. Proficiency in Microsoft Office Suite and relevant software applications. Preferred: Information Systems Degree (2:1 or higher) If you're passionate about CRM technology and want to make an impact in a leading Investment Banking firm More ❯

and innovative Mainframe Architect. This organization specializes in designing, managing, and modernizing enterprise-grade technology environments across industries, helping clients transform legacy systems and accelerate cloud adoption. Position Overview The Mainframe Architect plays a pivotal role in delivering end-to-end technical solutions for complex enterprise environments. … best practices, supporting continuous improvement and innovation. Required Skills and Qualifications 12+ years of experience in enterprise IT, with deep expertise in mainframe database systems such as IBM DB2™, IMS, Adabas, Cincom Supra, or Datacom. Strong understanding of z/OS environments and technologies including JCL, JES, RACF/ More ❯

and innovative Mainframe Architect. This organization specializes in designing, managing, and modernizing enterprise-grade technology environments across industries, helping clients transform legacy systems and accelerate cloud adoption. Position Overview The Mainframe Architect plays a pivotal role in delivering end-to-end technical solutions for complex enterprise environments. … best practices, supporting continuous improvement and innovation. Required Skills and Qualifications 12+ years of experience in enterprise IT, with deep expertise in mainframe database systems such as IBM DB2™, IMS, Adabas, Cincom Supra, or Datacom. Strong understanding of z/OS environments and technologies including JCL, JES, RACF/ More ❯

for delivery. Scope: Design Data Migration Strategy: Develop and implement a robust data migration strategy to ensure a seamless transition from legacy systems to the new ERP platform. Assess Data Quality: Conduct thorough assessments of legacy data to identify and address quality issues, ensuring data More ❯