51 to 75 of 279 High Availability Jobs in London

Server Engineer

Hiring Organisation
VIQU IT
Location
London, Vintry, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day Inside IR35
week) Key Responsibilities Build, configure, deploy, maintain, and decommission both physical and virtual Windows Servers. Manage and support enterprise Microsoft Windows Server environments, ensuring high availability, security, and performance. Develop and maintain PowerShell scripts to automate server administration and improve operational efficiency. Administer core Microsoft technologies including Active ...

Senior Network Engineer Cloud, Security & Infra (Architect II - Cloud Infrastructure Services)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
switching environments using technologies including BGP, OSPF, EIGRP, VLANs, STP, QoS, and Multicast. Administer and enhance F5 Load Balancers (LTM, GTM, ASM) to deliver high availability and performance. Manage Infoblox DNS, DHCP, and IPAM services to support efficient network operations. Security, Compliance & Risk Management Configure and manage security ...

DevOps Engineer (AWS Platform and Software Engineer)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
using software engineering skills to build internal tools and targeted application improvements. You will thrive here if you care about pragmatic delivery, continual learning, high standards, and building systems that make the whole team more effective. This role is for someone who wants to own real systems in production … Lead Engineer with the mission to build out, maintain and support the tools and processes for our cloud trading infrastructure and curate a high performing, ‘well‐oiled’ Engineering team. You will also contribute to software engineering work where it creates leverage for the business, for example internal tooling, automation ...

Principal Engineer, CoinDesk Data Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
that shares our fundamental belief in the transformative power of digital assets. The Team: CoinDesk Data Engineering The CoinDesk Data Engineering Team builds the high‐performance infrastructure that powers the world’s most trusted crypto market data, architecting resilient systems that process over 26 billion monthly requests for real … time market information. Our technical scope is expansive, encompassing the automated extraction and normalization of data from global exchanges to be served via high‐throughput REST APIs, WebSocket streaming, and direct client deliveries. We operate with a high degree of ownership over mission‐critical infrastructure, calculating the flagship ...

Site Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
join our Cloud & Infrastructure team. The successful candidate will be responsible for designing, operating, automating, and continuously improving enterprise-scale Azure platforms, ensuring high availability, resiliency, security, and performance.The role combines software engineering, cloud architecture, infrastructure automation, and operational excellence to improve service reliability and reduce operational overhead … experience with **Microsoft Azure**, **DevOps**, **Terraform**, **API**, disaster recovery planning, and **enterprise-scale resilience engineering**.**Key Responsibilities**### Platform Reliability & Operations* Ensure the availability, performance, scalability, and reliability of Azure-hosted services.* Define and manage Service Level Indicators (SLIs), Service Level Objectives (SLOs), and error budgets.* Proactively monitor ...

Principal Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
networking design and implementation across within Cloud environments — connectivity, routing, DNS, load balancing, firewalls, and private links between cloud and on-prem***** ****Engineer for high availability: multi-region and multi-AZ architectures, failover design, capacity planning, and disaster recovery for a platform where downtime has direct market impact … your own workflow, and coach the team to do the same safely and effectively***** ****Establish sensible guardrails for AI use in a regulated, availability-critical environment, knowing when automation should act and when it should recommend********Technical leadership (the 30%)***** ****Act as a mentor to engineers across the Platform ...

Principal Platform Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
networking design and implementation across within Cloud environments — connectivity, routing, DNS, load balancing, firewalls, and private links between cloud and on-prem Engineer for high availability: multi-region and multi-AZ architectures, failover design, capacity planning, and disaster recovery for a platform where downtime has direct market impact … your own workflow, and coach the team to do the same safely and effectively Establish sensible guardrails for AI use in a regulated, availability-critical environment, knowing when automation should act and when it should recommend. Technical leadership (the 30%) Act as a mentor to engineers across the Platform ...

Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
system integration. Key Responsibilities Accelerate Delivery: Partner with development teams to enhance deployment speed, system scalability, and overall application reliability. Maintain Platform Health: Ensure high availability, performance, and resilience across our entire production platform. Design & Implement: Contribute to the design, architecture, and rollout of new services and infrastructure ...

Engineer, DevOps

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
significant software projects, showing an ability to work effectively both independently and as part of a team Involvement in developing and maintaining large-scale, high-availability software systems. Experience with gRPC and Protocol Buffers for efficient, language-agnostic service-to-service communication Experience selecting and extending 3rd party ...

Infrastructure engineer (UK)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
infrastructure across AWS (preferred), GCP, and Azure, working fluently across Kubernetes, Helm, Terraform, and the supporting cloud and AI tooling that backs WRITER’s high-traffic platform. AI in workflow. Run agents in your daily loop — Claude Code, Droid, Codex, internal skills — to investigate incidents, draft Terraform/Helm … need Technical Track record. 5+ years of experience in infrastructure engineering, DevOps, or a similar role focused on building and operating large-scale, high-availability production systems at a high-growth product company. Breadth. Experience running containerisation in production (a real cluster, not a lab), with experience ...

SC Cleared DevOps Engineer (On-prem)

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - 800 per day + Inside IR35
Cleared DevOps Engineer, you will join a collaborative multi disciplinary team who are fundamental to the maintaining the security, reliability of the high performing services that underpin core business activity. Joining as an SC Cleared DevOps Engineer your core tasks will include but not limited to: * Supporting, maintaining … prem Kubernetes/OpenShift deployments. * Hands-on contribution to DevOps tooling upgrades, issue resolution, and roadmap-driven improvements. * Linux systems administration experience in high-availability production environments. * Infrastructure-as-Code using Terraform, integrated with CI/CD pipelines (Jenkins). * Automation-first mindset across build, deployment, CI/ ...

Senior Kotlin Engineer (Event Streaming/Sourcing) – London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
cloud‐hosted platform team within an investment banking environment. This is a fast‐paced, front‐office‐facing role with a strong emphasis on high‐quality engineering, reliability, and collaborative working practices. The role offers exposure to modern engineering practices and the opportunity to work closely with business stakeholders … demanding and high‐impact environment. Key Responsibilities Design, develop, test, and maintain backend services using Kotlin Contribute across the full software lifecycle: development, integration, and production support Implement and support event‐driven architectures, including event sourcing and event streaming Work within an Agile/XP environment, utilising pair programming ...

Azure Technical Engineer/Consultant

Hiring Organisation
InfraView - Specialist Cloud & IT Infrastructure Technology Recruitmen
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 70,000 Annual
Defender for Cloud Azure Virtual Desktop Windows Server Hybrid Cloud Microsoft 365 PowerShell Azure CLI Infrastructure as Code (Bicep and/or Terraform) Automation High Availability & Disaster Recovery Azure Cost Management Cloud Security Best Practice What They're Looking For You'll already have commercial experience delivering Azure … Microsoft Cloud technologies Enjoys solving complex technical challengesBuilds strong customer relationships Communicates confidently with both technical and non-technical stakeholders Takes ownership and delivers high-quality outcomesIs eager to learn and continually improve Wants to progress into Senior Consultant or Solution Architect roles What's On Offer Salary ...

Platform Engineer - UK

Hiring Organisation
Appcast
Location
London, UK
environments. Develop and optimize automation scripts and tools in Golang to enhance our SDLC processes. Manage and deploy containerized applications using Kubernetes, ensuring high availability and performance. Collaborate with cross-functional teams to define infrastructure requirements and streamline deployment pipelines. Implement monitoring, logging, and alerting systems to ensure ...

DevOps Engineer – Azure

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
reduce manual interventions. Monitoring, Reliability & Performance Implement monitoring using Azure Monitor, Log Analytics, Application Insights . Troubleshoot performance issues and deployment failures. Ensure high availability and disaster‐recovery readiness. Security, Compliance & Governance Implement DevSecOps practices within pipelines and infrastructure. Manage identity and access using Azure AD and RBAC ...

Senior SRE

Hiring Organisation
Appcast
Location
London, UK
performance challenges, automate it, and make it scalable. In particular, ensure that the infrastructure scales in and out according to the platform usage.Secure high availability and redundancy of the Pigment platform.Ensure that the platform’s performance and correctness are monitored accordingly, spread observability best practices across the engineering ...

Senior DevOps Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
advantage in PowerShell, C# and C++* Has worked with VMware in the past* Knowledge of Observability tooling, Prometheus, Grafana etc* Database technologies with high availability### **The Person*** Super interested in all things technical* You’re energized to learn and apply new technologies and skills.* An inquisitive nature, excellent analytical ...

Senior Java Developer IRC298567

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
seeking a highly skilled and motivated Senior Java Engineer to join our innovative development team. You will be instrumental in designing, developing, and maintaining high-performance, scalable applications and services. This role requires deep expertise in modern Java ecosystems, microservice architectures, and distributed systems design patterns. Requirements 7+ years … with other SDLC tools (e.g., Git, Jira, Confluence). Excellent communication and problem-solving skills. Ability to work independently and as part of a high-performing team. Demonstrated experience in driving projects from concept to production. Job responsibilities Lead the design, development, and deployment of mission-critical applications using ...

Network Security Specialist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
conducted on the LME’s three trading platforms totalling $21 trillion, 191 million lots and 4 billion tonnes notional with a market open interest high of 2.1 million lots in 2025. The metals community uses the LME, an HKEX Group company, as a venue to transfer or take … Overall Purpose of Role: As a Network Security Specialist, you will help design, implement and govern the network security controls that protect our modern, high‐performance enterprise network. You will take a hands‐on role in shaping the network security roadmap, defining security policies and standards that drive ...

Infrastructure Engineer

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
manual tasks to reduce operational overhead and improve consistency Maintain secure infrastructure components, including identity and access management, patching, and disaster recovery Support high-availability operations through robust processes, monitoring, and controls across cloud and on-prem workloads Maintain awareness of information security risks and apply appropriate controls … mitigate threats Apply modern engineering practices and infrastructure standards Work with third-party vendors to ensure the health and availability of hosted or outsourced services Collaborate with the Security Operations Centre on threat detection and incident response activities Take ownership of incidents and problems through to resolution or formal ...

Platform Engineering Team Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
security team to turn platform governance into an engineering challenge. You’ll integrate security directly into our pipelines and utilize compliance frameworks like Sprinto.* **High Reliability & Escalation:** Drive infrastructure improvements focused on global load balancing, disaster recovery, cloud-native databases (Cloud SQL, Spanner), and robust telemetry pipelines. You will … point for our SRE team during complex incidents.**Technical Expertise:*** **Cloud Native Mastery:** Deep expertise in Google Cloud Platform (GCP), specifically designing and managing high-availability, multi-regional infrastructure.* **Infrastructure as Code (IaC):** Advanced experience writing modular, scalable IaC using a combination of Terraform and GCP Config Connector. ...

Senior Dev Ops Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
alerting solutions Develop and support automation frameworks Manage CI/CD pipelines Provide technical support to development teams to enable the efficient delivery of high‐quality services and applications Build and maintain Kubernetes clusters on‐prem and in cloud Access and IAM management in Google Cloud, Looker, BigQuery, etc. … experience with on‐prem sharded MongoDB cluster Extensive experience building, managing, and scaling Kubernetes clusters (GKE, manual Kubernetes, etc.) Extensive experience designing and building highavailability, resilient infrastructure Experience setting up and maintaining monitoring, alerting, log collection (rsyslog, Grafana, Prometheus, ELK) Automation and scripting experience (Terraform, Packer, Ansible ...

Senior Cloud Engineer I

Hiring Organisation
Appcast
Location
London, UK
platform, documenting significant decisions as ADRs.Operational SME: Act as the Subject Matter Expert for numerous team-owned services, providing advanced operational support and ensuring high availability for our global payment systems.Evangelise Best Practices: Produce exemplary code and documentation that inspires others. You will be responsible for spreading best … Proactively explore and implement AI-driven automation to enhance infrastructure efficiency and team productivity.Additional InformationBring all of you to workWe create the conditions for high performers to thrive, through real ownership, fewer blockers, and work that makes a difference from day one.Here, you’ll move fast, take on meaningful ...

Senior Cloud Engineer I Cloud Platform London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
documenting significant decisions as ADRs. Operational SME: Act as the Subject Matter Expert for numerous team-owned services, providing advanced operational support and ensuring high availability for our global payment systems. Evangelise Best Practices: Produce exemplary code and documentation that inspires others. You will be responsible for spreading … implement AI-driven automation to enhance infrastructure efficiency and team productivity. Additional Information Bring all of you to work We create the conditions for high performers to thrive, through real ownership, fewer blockers, and work that makes a difference from day one. Here, you’ll move fast, take ...

Senior Software Engineer, Machine Learning Services

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
senior engineers building the core platform that powers UiPath's large‐scale AI and Document Understanding products. Our world is one of distributed systems, high‐throughput model serving, and complex asynchronous training workflows. We're looking for a systems‐level engineer who wants to work on the gnarly, foundational … distributed job queue that orchestrates it all. Solve hard concurrency, performance, and distributed systems problems to ensure our platform is bulletproof for high‐volume production workloads. Work directly with product and ML science teams to understand their needs and build the scalable infrastructure required to bring their models ...