1 to 25 of 92 High Availability Jobs in London

Network Engineer - Financial Services

Hiring Organisation
Ashdown Group
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
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 ...

OpenShift Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
networking, and storage solutions. Define and implement best practices for OpenShift cluster setup, including multi-zone and multi-region deployments. Ensure the architecture supports high availability, fault tolerance, and disaster recovery. 2. Migration Design and Optimization Assess existing infrastructure, applications, and workloads to determine migration readiness. Develop detailed … Leverage VMware tools (e.g., vSphere, vCenter, NSX) to optimize OpenShift deployments. Configure and manage Pure Storage solutions (e.g., Flash Array, Flash Blade) to provide high-performance, scalable storage for OpenShift workloads. Ensure compatibility and performance optimization between OpenShift, VMware, and Pure Storage. 4. CI/CD Pipelines and DevOps ...

Infrastructure Architect

Hiring Organisation
Lucid Support Services Ltd
Location
Croydon, Surrey, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
platforms Own end-to-end infrastructure architecture, from concept through to delivery assurance Design solutions aligned to security accreditation, compliance, and governance frameworks Architect high availability, disaster recovery, and business continuity solutions for mission-critical systems Define and enforce architecture standards, reference architectures, and patterns Provide architectural oversight … enterprise contexts Deep technical understanding of: Networking (secure network design, segmentation, Firewalls, load balancing) Compute, storage, and virtualization technologies Strong experience designing for high availability, resilience, and disaster recovery Hands-on experience with Infrastructure as Code (IaC) and automation, including Terraform, ARM and/or CloudFormation Strong understanding ...

Technical Architects

Hiring Organisation
Experis
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£710.00 - £735.00 per day
Translate business and functional requirements into scalable technical architectures Design solutions addressing non-functional requirements , including performance, scalability, security, and resilience Architect high availability, disaster recovery, and business continuity solutions Support hybrid and multi-cloud architectural designs Collaborate with engineering, delivery, DevOps, and platform teams to ensure architectural … compute, storage, and platform services Experience with hybrid and multi-cloud architectures Strong understanding of non-functional requirements (scalability, performance, security, resilience) Knowledge of high availability, disaster recovery, and business continuity design Familiarity with DevOps practices and modern delivery models Active SC Clearance Nice-to-Have Skills Hands ...

Technical Architect

Hiring Organisation
Lucid Support Services Ltd
Location
Croydon, Surrey, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
data flows Design solutions across cloud, hybrid, and on-prem environments Ensure solutions meet non-functional requirements, including Scalability, Performance, Security and Resilience Architect high availability, disaster recovery, and business continuity solutions Work closely with application, infrastructure, security, and DevOps teams Provide architectural guidance throughout the delivery life … solution design Experience with hybrid and multi-cloud architectures Strong understanding of non-functional requirements and how to design for them Knowledge of high availability, disaster recovery, and resilience design Familiarity with DevOps practices and modern delivery approaches Ability to communicate effectively with technical and non-technical stakeholders ...

Senior DevOps Engineer

Hiring Organisation
Reed
Location
Holborn, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
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 ...

Senior Linux / Oracle DBA

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
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 ...

Senior Technology Architect - Data Platform Architect - UK

Hiring Organisation
Infosys
Location
City of London, London, United Kingdom
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 ...

Azure DevOps Engineer

Hiring Organisation
McCabe & Barton
Location
Central London, London, United Kingdom
Employment Type
Permanent
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 ...

Senior DevOps Engineer in the Netherlands

Hiring Organisation
TOPIC Embedded Systems
Location
City of London, London, United Kingdom
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 ...

Solace Administrator

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
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 ...

Neo4j Aura (Cloud Graph Database) Engineer

Hiring Organisation
Unitech Consultancy Services Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
experienced engineer with strong Neo4j Aura expertise to design, build, and operate scalable graph-based data platforms in the cloud. You will work on high-impact systems that leverage managed Neo4j AuraDB for Real Time insights, relationships, and complex data modelling. Key Responsibilities: Design and implement graph data models … native applications (REST, GraphQL, event-driven systems) Manage data ingestion pipelines (Kafka, Spark, ETL tools, APIs) Monitor, tune, and troubleshoot Neo4j Aura performance and availability Implement security, access control, and data governance best practices Collaborate with product, data, and Back End teams to translate business problems into graph solutions ...

Infrastructure Architect

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £854/day
Azure, and/or GCP). Solid understanding of networking, computer, storage, and virtualization. Experience with hybrid and multi-cloud architectures. Knowledge of high availability, disaster recovery, and business continuity design. Familiarity with infrastructure automation and IaC tools (e.g. Terraform, ARM, CloudFormation). Strong understanding of security principles ...

RedHat OpenShift Architect

Hiring Organisation
Focus on SAP
Location
London Area, United Kingdom
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. ...

Senior Security Administrator - Palo Alto

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£200 - £400 per day
controls, ensuring secure and resilient network operations across enterprise environments. This role is hands-on, need to be comfortable working in complex, regulated, or high-availability environments, partnering with infrastructure, networking, and SOC teams to deliver robust security outcomes. Key Responsibilities: Palo Alto Administer, configure, and support Palo ...

Senior Java Software Engineer

Hiring Organisation
Arrows
Location
City of London, London, United Kingdom
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 ...

DEVOPS Engineer, GCP Engineer

Hiring Organisation
Experis
Location
London, Filton, Gloucestershire, United Kingdom
Employment Type
Permanent
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 ...

Lead Software Engineer

Hiring Organisation
iDPP
Location
Crofton Park, Greater London, UK
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 ...

Guidewire Insurance Integration Architect

Hiring Organisation
Accenture
Location
London Area, United Kingdom
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 ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 620 Daily
understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker/Kubernetes), and modern DevOps practices. Experience with observability, security by design, and high availability systems. Excellent communication and stakeholder management skills. This role directly influences the long term architecture, resilience, and scalability of a major financial ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £620/day
understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker/Kubernetes), and modern DevOps practices. Experience with observability, security‑by‑design, and highavailability systems. Excellent communication and stakeholder‑management skills. This role directly influences the long‑term architecture, resilience, and scalability of a major financial ...

Senior FIX Protocol Developer

Hiring Organisation
Solytics Partners
Location
City of London, London, United Kingdom
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 ...

Architect

Hiring Organisation
Hellowork Consultants
Location
London Area, United Kingdom
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 ...

Data Platform Engineer

Hiring Organisation
McCabe & Barton
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Data Platform Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £750 per day
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 measures ...