51 to 75 of 132 High Availability Jobs in London

platforms across the business. This role blends deep technical UC engineering capability with hands-on AV and meeting support, ensuring reliable, secure, and high-quality collaboration experiences for end users, executives, and trading environments. The successful candidate will support and evolve platforms including Cisco CUCM, WebEx (Dedicated Instance), Microsoft … customer-focused mindset, operating within a global, distributed team. Key Responsibilities Unified Communications Engineering Design, configure, support, and enhance the global UC environment, ensuring high availability, performance, and security. Administer and troubleshoot Cisco Unified Communications Manager (CUCM), including dial plans, call routing, SIP integrations, upgrades, and incident resolution. ...

platforms across the business. This role blends deep technical UC engineering capability with hands-on AV and meeting support, ensuring reliable, secure, and high-quality collaboration experiences for end users, executives, and trading environments. The successful candidate will support and evolve platforms including Cisco CUCM, WebEx (Dedicated Instance), Microsoft … customer-focused mindset, operating within a global, distributed team. Key Responsibilities Unified Communications Engineering Design, configure, support, and enhance the global UC environment, ensuring high availability, performance, and security. Administer and troubleshoot Cisco Unified Communications Manager (CUCM), including dial plans, call routing, SIP integrations, upgrades, and incident resolution. ...

updates, and application patches under controlled processes. · Work closely with development teams to support bug fixes, enhancements, and releases. · Monitor application health, performance, and availability using monitoring and alerting tools. · Execute database queries and data corrections to support application functionality. · Support deployments, version upgrades, and environment changes for .NET … supporting C# applications. · Familiarity with scripting or automation for support activities. · Understanding of application security, authentication, and authorization concepts. · Experience supporting customer-facing or high-availability applications. Rewards & Benefits TCS is consistently voted a Top Employer in the TCS is consistently voted a Top Employer ...

technologies including Exchange Online, Intune, Defender and Teams •Cloud infrastructure experience including AWS and Cloudflare •Strong troubleshooting and problem-solving skills •Experience supporting high-availability production environments •Able to work remotely with one day per month in Oxford •Willing to participate in a shared 24/ ...

experience as a Camunda Architect/Senior Camunda Engineer. • Strong knowledge of BPMN, DMN, workflow automation, microservices, and event-driven architectures. • Expertise in designing high availability workflow platforms. • Strong understanding of integration patterns (REST, messaging, APIs). • Experience with platform engineering, cloud technologies, CI/CD, and DevOps ...

focused environments) Kubernetes, containerisation, and distributed systems Terraform/Infrastructure-as-Code CI/CD, automation, and platform reliability Running production workloads with high availability requirements Plus, experience with one or more of the following: MLOps or ML platform engineering RAG architectures, embeddings, or vector search Model serving ...

Real Time Observability Engineer | Contract | £650 INSIDE IR35 | Hybrid/Global Platform | High Performance Systems We are working with a global Real Time data platform operating across multiple markets and high-throughput trading environments. Key responsibilities Build and maintain application-layer observability components that aggregate and correlate telemetry … Develop telemetry pipelines for metrics, logs, and traces across Real Time distributed systems Extend low-level instrumentation approaches where required, including Kernel-level or high-efficiency data capture techniques What you bring Strong software engineering background building observability, telemetry, or distributed data systems Experience with Real Time or streaming ...

most technically advanced teams in the country Heavy investment in cutting-edge and next-gen tech Flat structure, low ego, high talent Startup-style ownership backed by major resources Real autonomy to build, improve and automate The Role You’ll sit within an elite Linux-focused infrastructure team responsible … designing and running large-scale, high-availability systems. This is hands-on engineering. You’ll be: Building and evolving resilient, multi-petabyte infrastructure Writing Python to automate anything manual or repetitive Working closely with engineers across the business to improve reliability and performance Enhancing observability, monitoring and system ...

Sector & Government Client Build the Data Infrastructure That Powers the Public Sector We are looking for experienced Data Engineers to join a long-standing, high-impact public sector partnership. This isn't just about moving data; it's about modernizing essential services and delivering secure, reliable data products … integration solutions (both batch and near-real-time). Build & Optimize: Develop and improve end-to-end data pipelines-from ingestion to curation-ensuring high availability through rigorous monitoring and alerting. Collaborate: Work closely with product teams and client stakeholders to align technical decisions with cost, performance ...

Have you built low-latency, high-performance systems and want to work at the cutting edge of crypto trading infrastructure? Senior Software Engineer (C++) - Crypto Trading Salary: up to £185k + bonus + RSUs Location: Fully Remote We are delighted to be continuing our partnership with a globally established … mission to accelerate global crypto adoption, and are looking for experienced C++ Engineers to help build one of the most scalable, secure, and high-performance trading platforms in the market. You'll join a globally distributed Trading Technology team, working on critical backend services including matching engines, market data ...

monitoring & logging (Log Analytics, Application Insights) Manage security & identity (Azure AD, Key Vault, certificates) Configure networking (VNets, NSGs, Firewalls) Support backup, regional setup, and high availability Key Requirements 2–3+ years’ DevOps experience Strong hands-on Azure experience (essential) Azure DevOps (ADO) & CI/CD pipelines PowerShell scripting ...

responsibilities Lead network & security projects: design, implement, test and handover FortiGate firewall and Fortinet platform deployments. Configure and manage FortiGate (physical & virtual) firewall policies, high availability, routing and VPNs. Deploy and maintain FortiEMS/FortiClient endpoint security and integrate endpoint telemetry into security operations. Integrate and operate Fortinet ...

responsibilities Lead network & security projects: design, implement, test and handover FortiGate firewall and Fortinet platform deployments. Configure and manage FortiGate (physical & virtual) firewall policies, high availability, routing and VPNs. Deploy and maintain FortiEMS/FortiClient endpoint security and integrate endpoint telemetry into security operations. Integrate and operate Fortinet ...

setups * Support business continuity through proactive incident management * Rapid deployment of site connectivity solutions, including 4G routers * Monitor network health and performance, ensuring high availability and resilience * Maintain inventory and configuration records for infrastructure and software * Collaborate with the Security Operations Center on network security * Support software licensing ...

centre exits and legacy modernisations. Drive data/AI innovation, security best practices, cost optimisation, and compliance; mentor teams and engage senior stakeholders. Ensure high availability, scalability, and resilience; produce documentation and support CICD/DevOps pipelines. Candidate Profile Proven hands-on AWS experience (Solutions Architect Professional/ ...

This role will act as a senior escalation point within the support function, working closely with internal teams, vendors and project stakeholders to ensure high availability, security and performance of core IT services. PLEASE NOTE: Additional Requirements: Candidates ' MUST HAVE' relevant experience working in a Cloud Datacentre Environment ...

cloud-native development. Partner with engineering teams to integrate AI into core business processes. Global Operations: Oversee 24/7 global cloud operations , ensuring high availability and reliability. Manage service support models, SLAs, and escalation procedures within a managed service environment. Security & Governance: Enforce cloud governance frameworks … Work with cybersecurity teams to implement Zero-Trust architectures and ensure compliance with GDPR, ISO 27001, and NIST. Leadership & Finance: Build and lead a high-performing global team. Take full accountability for the financial performance, budgeting, and cost optimisation of the business area. What Were Looking For IT Leadership ...

London Competitive + bonus + benefits We're seeking a highly motivated Network Engineer to join a financial services organisation operating in a secure, high-availability, enterprise environment. This role is ideal for a networking professional with a strong foundation in core infrastructure and hands-on, production experience … network services Administer and support Zscaler as a core security platform, ensuring secure access and alignment with Zero Trust principles Monitor network performance and availability; diagnose and resolve issues to ensure optimal uptime Assist with the design and implementation of secure, scalable network solutions Collaborate with infrastructure, security ...

digital platforms used by millions of customers. This role will focus on driving engineering excellence, defining technical standards and leading the design of scalable, high-availability systems across a modern cloud-native environment. Responsibilities for the Principal Java Engineer: Define and evolve engineering strategy, standards and best practices … hands-on expertise in Java, Spring Boot, Microservices, Kafka and AWS Strong understanding of software architecture and scalable system design Experience leading development of high-performance distributed systems Proven experience in a Principal, Lead or Senior Engineering role Experience defining and governing technical standards and engineering practices Experience influencing ...

digital platforms used by millions of customers. This role will focus on driving engineering excellence, defining technical standards and leading the design of scalable, high-availability systems across a modern cloud-native environment. Responsibilities for the Principal Java Engineer: Define and evolve engineering strategy, standards and best practices … hands-on expertise in Java, Spring Boot, Microservices, Kafka and AWS Strong understanding of software architecture and scalable system design Experience leading development of high-performance distributed systems Proven experience in a Principal, Lead or Senior Engineering role Experience defining and governing technical standards and engineering practices Experience influencing ...

City) Hybrid: 3 Days in Office Type: Permanent/Full-time Are you ready for your actions to count? We are currently seeking a high-caliber Senior Network and Security Engineer to join our EMEA team in London. In this critical role, you will take ownership of our data … strong grasp of network security principles. Load Balancing & Analytics : Experience with F5 BigIP and Cisco Tetration. Operations: Mastery of IP addressing, subnetting, VLANs, High Availability, and Multicast. Shift & Flexibility The role operates on a shift pattern (approximately 2 in 6 shifts) to cover support and project delivery. Early ...

Management (APIM) as the gateway for APIs. A strong emphasis is placed on Azure Service Bus for reliable messaging, decoupling systems, and handling high-volume asynchronous communication. You will apply SRE practices of automation, monitoring, error budgeting, and reliability engineering to reduce toil, ensure high availability … Service Bus Expertise Design and implement messaging architectures with Azure Service Bus (queues, topics/subscriptions, sessions, partitioning, duplicate detection, dead-lettering). Handle high-throughput, reliable asynchronous communication: decoupling microservices, order processing, event sourcing, and fan-out patterns. Troubleshoot and optimize messaging: monitoring queues/topics, handling poison ...

looking for experienced Java Developers to join an established engineering team. You will contribute to the design, build, and delivery of complex, high-availability digital solutions within a large-scale NHS environment, working alongside architects, testers, and product teams to deliver quality software at pace. KEY RESPONSIBILITIES Design ...

looking for experienced Java Developers to join an established engineering team. You will contribute to the design, build, and delivery of complex, high-availability digital solutions within a large-scale NHS environment, working alongside architects, testers, and product teams to deliver quality software at pace. KEY RESPONSIBILITIES Design ...

will work on the core infrastructure that connects internal trading systems directly to global exchanges and liquidity venues. You will design, build, and enhance high-performance market access gateways and market data systems where precision, speed, and reliability are critical. You will take ownership of end-to-end exchange … connectivity, including onboarding new brokers and venues, implementing protocol changes, and ensuring production stability of mission-critical trading flows. The work spans high-performance systems engineering, real-time optimisation, and hands-on production support in a fast-moving environment. This is a highly collaborative role working closely with traders ...