1 to 25 of 69 Permanent High Availability Jobs in London

team. This is a key role with responsibility for the design, delivery, and ongoing support of a global enterprise network , working in a complex, high-availability environment. You will play a pivotal role in modernising network infrastructure , driving technical improvements, and providing senior-level support across the organisation. … switching, firewall, and SD-WAN solutions Integrate switches, routers, wireless controllers, SDN, load balancers, NAC servers, and cloud platforms Ensure network security, resilience, and high availability across global environments Skills & Experience Required Proven experience designing and implementing networks in a large user or enterprise environment Strong Cisco background ...

world-class platform. Day-to-day of the role: Own and manage the cloud infrastructure, ensuring scalability, resilience, and security. Implement and maintain high-availability architectures across critical services and data layers. Design and optimise infrastructure to support AI-powered workloads and data pipelines. Lead cost optimisation initiatives … roles. Strong hands-on experience with AWS, Docker, Kubernetes, and Terraform. Proficiency in CI/CD pipelines and Linux systems administration. Deep understanding of high-availability architecture, networking, load balancing, and distributed systems. Proven experience supporting production SaaS environments. Strong understanding of monitoring and observability tooling. Excellent scripting ...

Linux/AIX systems , ideally gained within a banking or financial services environment . You’ll be responsible for ensuring the stability, performance, and availability of business-critical banking and finance applications, working closely with senior IT stakeholders and wider application teams. Key Responsibilities Administer, maintain, and optimise Oracle … Linux (RHEL/Oracle Linux) and AIX environments hosted on IBM Power 10 infrastructure Perform system upgrades, patching, performance tuning, and capacity planning Support high availability and disaster recovery solutions using Oracle RAC, ASM, RMAN, and Data Guard Collaborate with application and infrastructure teams to resolve complex production ...

cloud and on-prem environments. You will lead platform strategy and operations for technologies including Snowflake, SQL Server, Power BI, Azure, and Confluent, ensuring high availability, performance, and scalability. You will collaborate with cross-functional teams to design and implement platform solutions that support data engineering, analytics … data platform foundation. Responsibilities •Lead platform architecture and administration across Snowflake, SQL Server, Power BI, Azure, and Confluent. •Design and implement scalable, secure, and high-performing data platform solutions. •Collaborate with engineering, analytics, and business teams to align platform capabilities with business needs. •Ensure platform reliability, performance tuning ...

container services (ACI, AKS). Proficient in Azure Monitor, Log Analytics, Application Insights, cost management and optimisation, resource tagging strategies, and maintaining platform availability through proactive monitoring and incident response. Infrastructure as Code (Terraform) - Strong working knowledge of Terraform for provisioning and managing Azure infrastructure including writing and maintaining … databases, and file shares, Azure Site Recovery for disaster recovery, automated snapshot policies, geo-redundant storage configurations, and backup vault management. Understanding of high availability architectures using Availability Zones, Azure Load Balancer, Azure Application Gateway, VM Scale Sets, and conducting DR tests to ensure business continuity. Collaboration ...

eager to apply your technical expertise to the financial services industry, this is the role for you. Key Responsibilities: Design, develop, and maintain high-performance Back End services using GoLang to support financial applications and services , including trading platforms, investment systems, and risk management tools. Build and deploy cloud … requirements, and ensure that applications meet financial regulatory standards and business needs. Optimize the performance of Back End services, ensuring low-latency responses and high availability, critical for financial services. Implement CI/CD pipelines, automated testing, and monitoring systems to ensure the reliability and stability of production ...

TOPIC (in the Netherlands), we work every day on high-tech innovations to make the world smarter, healthier, and better. Are you a driven and ambitious Senior DevOps Engineer with a passion for automation, CI/CD, and state-of-the-art tooling that we are looking … solutions Set up and optimize virtual infrastructure, including hardware integrations, (sub)system onboarding, and hardware migrations Manage containerized applications and microservices using Kubernetes, ensuring high availability, performance, and scalability Deliver end-to-end monitoring, logging, and data analytics solutions Write and maintain robust Python code for test automation ...

Messaging Administrator to join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system … cloud-native Solace deployments. Why Join Us? Join a multi-discipline team, delivering advanced Messaging APIs, developing tools, administering , supporting low latency, high throughput messaging system for prices, orders, trades, and mission critical applications. Exciting opportunity to work with a wide array of technologies. Chance to further develop your ...

containerised applications. Key Responsibilities Platform Architecture Design target-state OpenShift clusters including topology, networking and storage. Enable multi-region/multi-zone deployments with high availability and DR patterns. Apply OpenShift and Kubernetes best practices for scalability, resiliency and governance. Migration Strategy & Execution Assess current workloads and infrastructure … Excellent communication and problem-solving skills. If you are interested or would like to know more, please email jonathan.la@focusonsap.org with your CV and availability to speak. Applicants must be a UK based and holds a valid right to work status. ...

about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture … high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI/CD best practices Mentor other engineers and contribute to a culture of knowledge-sharing ...

transform decision-making and customer experiences. We're seeking a skilled GCP DevOps Engineer to architect and maintain cloud-native infrastructure that supports high-performance AI systems. This is a hands-on technical role with strategic impact across infrastructure, automation, and security. Key Responsibilities Infrastructure & Cloud Engineering Design, build … adoption of DevOps best practices across engineering teams. Containerization & Orchestration Build and manage containerized applications using Docker and orchestrate them with Kubernetes . Ensure high availability and scalability of AI services through robust orchestration strategies. Monitoring & Reliability Set up monitoring and alerting systems using Cloud Monitoring , Cloud Logging ...

scaling data pipelines and search systems using: ElasticSearch, Weaviate, Pinecone, and other vector databases Engineering secure, containerised architectures using Docker and Kubernetes Ensuring high availability, fault tolerance, and performance for mission-critical workloads Providing technical leadership and mentorship to other engineers Contributing to technical strategy, tooling choices … healthcare, or other regulated domains Familiarity with DevOps practices, CI/CD pipelines, and infrastructure as code Exposure to data engineering, ETL pipelines, or high-volume data processing Experience working in SME or start-up environments , comfortable wearing multiple hats Salary ...

PolicyCenter, BillingCenter, ClaimCenter, Reinsurance Management) and external enterprise systems, InsurTech platforms, regulatory bodies, and cloud environments. Key Responsibilities: Integration Architecture & Solution Design Architect scalable, high-performance, and secure integration solutions for Insurance policy, billing, and claims platforms including Guidewire InsuranceSuite Define API-first integration strategies using RESTful API services … Guidewire integrations using best practices in cloud and DevOps. Cloud & DevOps Enablement Architect cloud-native integration solutions using AWS and Azure to support high-availability, auto-scaling, and disaster recovery strategies. Implement CI/CD pipelines to accelerate integration deployments. Use Infrastructure as Code to automate environment provisioning ...

exchange, broker, and counterparty connectivity using FIX protocol Implement FIX session management, order lifecycle handling, custom tags, and extensions Optimize connectivity for low latency, high throughput, and high availability Work closely with traders, connectivity teams, and infrastructure to deliver resilient solutions Own and support connectivity components ...

authoring, deployment strategies, custom charts, container registries Ingress controllers, API gateways, service mesh, and traffic policy enforcement Observability (Prometheus, Grafana), log pipelines, distributed tracing High availability, cluster upgrades, autoscaling strategy, performance tuning Lead advanced troubleshooting (pods, networking, DNS, controllers, storage, ingress). 5. Azure API Management (APIM … check frameworks, and rollback strategies. Implement API analytics, distributed tracing, alerts, performance tuning, and troubleshooting. 6. Reliability Engineering & Platform Operations Lead root-cause analysis, high-severity incident resolution, and resilience improvements. Ensure uptime, performance, and reliability of APIs deployed in AKS and exposed via APIM. Define SLOs, latency budgets ...

Databricks , and related Azure services. Build ETL/ELT processes to transform raw data into structured, analytics-ready formats. Optimise pipeline performance and ensure high availability of data services. Infrastructure & Architecture Architect and deploy scalable data lake solutions using Azure Data Lake Storage . Implement governance and security ...

essential) Location: Fully Remote About the Role We are seeking an experienced AWS DevOps Engineer for an inside IR35 contract role supporting a secure, high-profile programme. The role is fully remote, and the client operates their own payroll , covering employer National Insurance , so contractors can work … Responsibilities Design, build, and maintain AWS cloud infrastructure using DevOps best practices. Implement and support CI/CD pipelines and infrastructure as code. Ensure high availability, security, and performance across AWS environments. Collaborate closely with engineering, security, and delivery teams. Support automation, monitoring, and continuous improvement activities. Skills ...

Senior Cloud Infrastructure Engineer Key Responsibilities: Ensure the firms technology environment is continually evolving and is configured in a way that provides a stable, high performing and secure environment Design, implement, and continually manage Azure cloud infrastructure to ensure scalability, security, and high availability Administer and optimize ...

helping build a cleaner, more modular system for the future. About the Company You’ll join a well established iGaming technology business that builds high performance systems used by operators across multiple markets. The engineering culture is collaborative, pragmatic and delivery focused, with plenty of opportunity to influence architecture … monolith to microservices Solid MySQL experience and strong data modelling skills Deep understanding of service architecture, APIs and distributed systems Experience working on scalable, high availability back ends Comfortable working in Agile/Scrum environments Excellent written and spoken English Ideally you’ll come from sportsbook, iGaming ...

Microsoft SQL Database Administrator to take ownership of a large and complex SQL Server estate. This is a hands-on role where youll ensure high availability, performance, and security across multiple environments, while proactively monitoring and resolving issues before they impact the business. If youre passionate about performance ...

based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and enhance our Kubernetes-based cloud platform to ensure high-availability, scalability, and cost-efficient ML workflows. Work proficiently across the entire stack to develop and integrate new features related to model versioning ...

Head of IT, you will manage and optimise cloud environments, ensure security and compliance, and work closely with the Solutions Architect to deliver scalable, high-performing infrastructure solutions. Advanced expertise in Microsoft Azure and the broader Microsoft technology stack is essential, along with flexibility to support on-call … hours requirements. Key Responsibilities: Design, implement, and manage scalable, secure, and high-availability Azure cloud infrastructure. Administer Azure Virtual Desktop (AVD) environments, ensuring compliance and seamless user experience. Develop and enforce application control policies to maintain secure and compliant usage across the organisation. Implement Microsoft Purview data governance ...

London-based environment. This is a hands-on, technically led role where the Network and Security Specialist will be responsible for protecting systems, ensuring high availability, and strengthening security posture while supporting day-to-day operations and future growth. Key Responsibilities: • Design, implement, and maintain secure network … incidents using SIEM tools, Sophos MDR, and threat-hunting techniques.• Configure and manage firewalls, VPNs, IDS/IPS, web and email security solutions.• Maintain high patching and vulnerability remediation standards, including CVE management.• Coordinate annual third-party penetration testing and lead remediation based on risk and CVSS scoring.• Investigate ...

technology roadmap to transition from traditional on-premises infrastructure to Microsoft Azure. Leadership & Governance Oversee all aspects of the firms IT infrastructure to ensure high availability, performance, and resilience of services. This includes managing servers (physical and virtual), networks, storage, and cloud resources that support critical IP applications. ...

forefront of technology in the financial sector, providing mission-critical support within an SLA driven environment. Role & Responsibilities: Lead the NOC team, ensuring high availability and performance of banking systems and services. Monitor infrastructure, applications, and endpoints for performance, reliability, and security using advanced tools. Manage incident escalation ...