51 to 75 of 79 Legacy Systems Jobs in the East of England

/Regulatory Technology team within a leading global investment bank. You'll work on business-critical regulatory reporting platforms, helping modernise legacy systems and build strategic, cloud-based data solutions used across the firm. You'll be part of a collaborative Agile squad focused on Java services ...

part of our journey: As a Senior Software Engineer (AI Engineering), you'll take a leading role in designing and implementing agent-ready systems and developer tools. You'll build production-grade software that enables safe, scalable, and AI-augmented engineering, while mentoring and guiding engineers to raise … design and development of services that support AI agent interaction Drive the application of GenAI to modernise, refactor, and accelerate legacy systems Define and implement APIs, contracts, and metadata aligned with the Model Context Protocol Shape and evolve internal tooling that supports AI-native SDLC workflows Influence ...

part of our journey: As a Senior Software Engineer (AI Engineering), you'll take a leading role in designing and implementing agent-ready systems and developer tools. You'll build production-grade software that enables safe, scalable, and AI-augmented engineering, while mentoring and guiding engineers to raise … design and development of services that support AI agent interaction Drive the application of GenAI to modernise, refactor, and accelerate legacy systems Define and implement APIs, contracts, and metadata aligned with the Model Context Protocol Shape and evolve internal tooling that supports AI-native SDLC workflows Influence ...

days a week onsiteDay Rate: £400 - £500 inside IR35BPSS clearance required An exciting opportunity to join a leading aerospace and defence organisation as a Systems Administrator, supporting complex engineering environments and mission-critical infrastructure. You'll work across modern and legacy systems, ensuring reliable deployment, configuration … platforms that underpin advanced engineering projects. Key Responsibilities Manage version-controlled scripting using Git Maintain and extend Ansible-based configuration management Deploy systems using Autoinstall or similar tooling Administer Ubuntu 20+ or other Debian-based environments Build and run containerised services using Podman (incl. hardware passthrough and QEMU emulation ...

analytics. REED Technology are working with an organisation that is rolling out Pyramid Analytics as its central BI platform-replacing several legacy systems-and needs someone who can turn data into compelling stories, not just dashboards. If you thrive in stakeholder-facing roles, can communicate insights clearly ...

elite individual contributor who can look at this scale not just as a traffic challenge, but as an abstraction challenge. You will design the systems that define how our players compete, ensuring our architecture is decoupled, extensible, and capable of handling the next 100 million users. What You Will … designing, developing, and deploying robust APIs and microservices in production. Golang experience is highly preferred; Architectural Vision: Proven experience re-architecting legacy systems into distributed, modern microservices. You understand Domain-Driven Design (DDD) and know how to draw the boundaries between services correctly; Scaling Instincts: You understand ...

elite individual contributor who can look at this scale not just as a traffic challenge, but as an abstraction challenge. You will design the systems that define how our players compete, ensuring our architecture is decoupled, extensible, and capable of handling the next 100 million users. What You Will … designing, developing, and deploying robust APIs and microservices in production. Golang experience is highly preferred; Architectural Vision: Proven experience re-architecting legacy systems into distributed, modern microservices. You understand Domain-Driven Design (DDD) and know how to draw the boundaries between services correctly; Scaling Instincts: You understand ...

elite individual contributor who can look at this scale not just as a traffic challenge, but as an abstraction challenge. You will design the systems that define how our players compete, ensuring our architecture is decoupled, extensible, and capable of handling the next 100 million users. What You Will … designing, developing, and deploying robust APIs and microservices in production. Golang experience is highly preferred; Architectural Vision: Proven experience re-architecting legacy systems into distributed, modern microservices. You understand Domain-Driven Design (DDD) and know how to draw the boundaries between services correctly; Scaling Instincts: You understand ...

elite individual contributor who can look at this scale not just as a traffic challenge, but as an abstraction challenge. You will design the systems that define how our players compete, ensuring our architecture is decoupled, extensible, and capable of handling the next 100 million users. What You Will … designing, developing, and deploying robust APIs and microservices in production. Golang experience is highly preferred; Architectural Vision: Proven experience re-architecting legacy systems into distributed, modern microservices. You understand Domain-Driven Design (DDD) and know how to draw the boundaries between services correctly; Scaling Instincts: You understand ...

extensions Hours : Full-time, 37.5 hours per week Salary : £39,205.00 - £41,856.00 Per Annum Benefits : Holiday, Pension, Life Assurance Modernise legacy systems click apply for full job details ...

days a week in Central London. What experiences you will gain Lead complex implementation projects for multinational clients migrating from Legacy ERP systems to an AI Finance Platform Apply financial systems expertise to navigate complex client environments and ensure smooth onboarding and transitions Build trusted relationships … What background should you have before you press apply! Qualified Accountant (ACA, ACCA, CIMA) Experience supporting clients and managing multiple projects Experience implementing finance systems and passionate about modernising finance systems Deep understanding of core accounting principles and how they translate into system requirements Confident and credible ...

days a week in Central London. What experiences you will gain Lead complex implementation projects for multinational clients migrating from Legacy ERP systems to an AI Finance Platform Apply financial systems expertise to navigate complex client environments and ensure smooth onboarding and transitions Build trusted relationships … What background should you have before you press apply! Qualified Accountant (ACA, ACCA, CIMA) Experience supporting clients and managing multiple projects Experience implementing finance systems and passionate about modernising finance systems Deep understanding of core accounting principles and how they translate into system requirements Confident and credible ...

days a week in Central London. What experiences you will gain Lead complex implementation projects for multinational clients migrating from Legacy ERP systems to an AI Finance Platform Apply financial systems expertise to navigate complex client environments and ensure smooth onboarding and transitions Build trusted relationships … What background should you have before you press apply! Qualified Accountant (ACA, ACCA, CIMA) Experience supporting clients and managing multiple projects Experience implementing finance systems and passionate about modernising finance systems Deep understanding of core accounting principles and how they translate into system requirements Confident and credible ...

days a week in Central London. What experiences you will gain Lead complex implementation projects for multinational clients migrating from Legacy ERP systems to an AI Finance Platform Apply financial systems expertise to navigate complex client environments and ensure smooth onboarding and transitions Build trusted relationships … What background should you have before you press apply! Qualified Accountant (ACA, ACCA, CIMA) Experience supporting clients and managing multiple projects Experience implementing finance systems and passionate about modernising finance systems Deep understanding of core accounting principles and how they translate into system requirements Confident and credible ...

strategy. Define and implement security standards, policies, and best practices for cloud infrastructure, SaaS applications, and internal tooling. Engineer, implement, and continuously tune security systems (SIEM, EDR, etc.) for continuous threat detection and automated response. Lead technical remediation efforts, working with engineering teams to implement fixes for vulnerabilities … automation skills (e.g. Python, PowerShell, Terraform scripts, Yara) to implement security automations, detection rules, and guardrails. Solid experience with designing, implementing, and tuning systems for incident response, detection engineering, and vulnerability management. Strong understanding of secure software development lifecycle (SDLC), and ability to work closely with dev/ ...

strategy. Define and implement security standards, policies, and best practices for cloud infrastructure, SaaS applications, and internal tooling. Engineer, implement, and continuously tune security systems (SIEM, EDR, etc.) for continuous threat detection and automated response. Lead technical remediation efforts, working with engineering teams to implement fixes for vulnerabilities … automation skills (e.g. Python, PowerShell, Terraform scripts, Yara) to implement security automations, detection rules, and guardrails. Solid experience with designing, implementing, and tuning systems for incident response, detection engineering, and vulnerability management. Strong understanding of secure software development lifecycle (SDLC), and ability to work closely with dev/ ...

strategy. Define and implement security standards, policies, and best practices for cloud infrastructure, SaaS applications, and internal tooling. Engineer, implement, and continuously tune security systems (SIEM, EDR, etc.) for continuous threat detection and automated response. Lead technical remediation efforts, working with engineering teams to implement fixes for vulnerabilities … automation skills (e.g. Python, PowerShell, Terraform scripts, Yara) to implement security automations, detection rules, and guardrails. Solid experience with designing, implementing, and tuning systems for incident response, detection engineering, and vulnerability management. Strong understanding of secure software development lifecycle (SDLC), and ability to work closely with dev/ ...

strategy. Define and implement security standards, policies, and best practices for cloud infrastructure, SaaS applications, and internal tooling. Engineer, implement, and continuously tune security systems (SIEM, EDR, etc.) for continuous threat detection and automated response. Lead technical remediation efforts, working with engineering teams to implement fixes for vulnerabilities … automation skills (e.g. Python, PowerShell, Terraform scripts, Yara) to implement security automations, detection rules, and guardrails. Solid experience with designing, implementing, and tuning systems for incident response, detection engineering, and vulnerability management. Strong understanding of secure software development lifecycle (SDLC), and ability to work closely with dev/ ...

strategy. Define and implement security standards, policies, and best practices for cloud infrastructure, SaaS applications, and internal tooling. Engineer, implement, and continuously tune security systems (SIEM, EDR, etc.) for continuous threat detection and automated response. Lead technical remediation efforts, working with engineering teams to implement fixes for vulnerabilities … automation skills (e.g. Python, PowerShell, Terraform scripts, Yara) to implement security automations, detection rules, and guardrails. Solid experience with designing, implementing, and tuning systems for incident response, detection engineering, and vulnerability management. Strong understanding of secure software development lifecycle (SDLC), and ability to work closely with dev/ ...

strategy. Define and implement security standards, policies, and best practices for cloud infrastructure, SaaS applications, and internal tooling. Engineer, implement, and continuously tune security systems (SIEM, EDR, etc.) for continuous threat detection and automated response. Lead technical remediation efforts, working with engineering teams to implement fixes for vulnerabilities … automation skills (e.g. Python, PowerShell, Terraform scripts, Yara) to implement security automations, detection rules, and guardrails. Solid experience with designing, implementing, and tuning systems for incident response, detection engineering, and vulnerability management. Strong understanding of secure software development lifecycle (SDLC), and ability to work closely with dev/ ...

sessions (sequence gaps, rejects, drops) Work with Network and Infrastructure teams on VPNs and cross-connects Support migration of legacy trading systems Required Experience 3–5 years in FIX Connectivity, Integration, or Trading Production Support Strong FIX Protocol knowledge (session & application layers) Linux/Unix experience with ...

sessions (sequence gaps, rejects, drops) Work with Network and Infrastructure teams on VPNs and cross-connects Support migration of legacy trading systems Required Experience 3–5 years in FIX Connectivity, Integration, or Trading Production Support Strong FIX Protocol knowledge (session & application layers) Linux/Unix experience with ...

sessions (sequence gaps, rejects, drops) Work with Network and Infrastructure teams on VPNs and cross-connects Support migration of legacy trading systems Required Experience 3–5 years in FIX Connectivity, Integration, or Trading Production Support Strong FIX Protocol knowledge (session & application layers) Linux/Unix experience with ...

sessions (sequence gaps, rejects, drops) Work with Network and Infrastructure teams on VPNs and cross-connects Support migration of legacy trading systems Required Experience 3–5 years in FIX Connectivity, Integration, or Trading Production Support Strong FIX Protocol knowledge (session & application layers) Linux/Unix experience with ...

this depth of global research and data on law firms, lawyers and their clients. About the Role We're looking for a Senior Systems Engineer to take ownership of our modern cloud environment and lead key infrastructure projects. This is a hands-on technical role where you'll design … deliver practical solutions across Microsoft 365,Azure/Entra ID, and core infrastructure, while helping us retire legacy systems. You'll act as a role model for junior engineers and play a pivotal part in shaping our technology roadmap. What You'll Do Lead administration and optimisation ...