Top Cloud Engineer Jobs in London

Lead customer cloud transformations to design, build, deploy and operate enterprise-scale AWS platforms. Build AWS Landing Zones and resources with Terraform, apply SRE principles, implement CI/CD pipelines, and mitigate cloud security risks while operating platforms in highly regulated environments.

Provide office-based technical support for Canonical customers and employees, owning support cases from qualification to resolution. Troubleshoot Linux/Ubuntu systems, virtualization (KVM/OpenStack), containers (Docker, LXD/LXC, Kubernetes), storage and networking issues. Engage customers via phone/tickets/remote sessions, contribute to knowledge base, participate in weekend rota, and support AV and office infrastructure. Travel internationally twice yearly for company events.

As a Cloud Support Engineer, you will resolve complex customer issues related to Ubuntu, ensure high satisfaction levels, and contribute to knowledge sharing.

As a Senior Cloud Infrastructure Engineer, you will manage Langfuse's cloud operations on AWS, ensuring high uptime and performance while optimizing costs. You'll own the observability setup with Datadog, automate processes, and make self-hosting seamless for users. You'll also focus on scaling infrastructure and maintaining security compliance.

Lead resolution of high-priority cloud incidents across hosted and self-managed Vault deployments. Mentor junior engineers, build tooling and automation, perform root cause analysis, improve observability and support processes, and act as the technical owner for enterprise relationships to enhance platform stability and client outcomes.

The role involves ensuring the reliability and scalability of the LSEG Workspace platform using cloud technologies like AWS and Azure, applying Site Reliability Engineering principles, and collaborating to enhance service observability and security practices.

As a Cloud Infrastructure Engineer, you will enhance Optiver's cloud systems for digital assets trading, focusing on performance, security, and resilience. Responsibilities include designing low-latency infrastructure, implementing CI/CD for changes, and managing cloud performance setups.

Design, build, and operate a secure, scalable AWS cloud platform for data, analytics, ML, APIs and web apps. Develop reusable IaC patterns, automate deployments (CI/CD/GitOps), maintain networking and security controls, implement observability, and troubleshoot complex platform issues while collaborating with data and product teams.

Design, build, and maintain sovereign, air-gapped GCP landing zones and mission-critical GKE platforms using Terraform/Ansible. Implement zero-trust security, offline artifact management, secure CI/CD, secret management, and policy-as-code to meet NCSC, JSP 604 and MoD Secure-by-Design requirements for UK defence/edge deployments.

Develop and maintain NedGraphics cloud products (OptiNedLink), build serverless AWS backends, design secure REST APIs and event-driven workflows, implement automated testing, optimize performance and scalability, enforce security best practices, integrate third-party APIs and ERP/PLM systems, and produce developer documentation and API specifications.

Hands-on senior cloud infrastructure engineer to design, build, and run a multi-tenant AWS SaaS hosting platform. Responsibilities include Terraform and Puppet infrastructure, Python automation, etcd-based service discovery, multi-tier caching, observability (Prometheus/Grafana/Loki), incident response, and platform reliability improvements.

The Cloud Infrastructure Engineer will design scalable cloud infrastructure, manage multi-cloud environments, and ensure system availability while collaborating with development teams and optimizing CI/CD processes.

Act as a technical customer advocate for Qumulo across on-prem and cloud (AWS/Azure) environments. Troubleshoot compute, storage, networking, identity, permissions and file system issues; own escalations end-to-end; coordinate with sales, product, and engineering; provide product feedback; and continually expand cloud skills.

The MS Cloud Infrastructure Engineer manages cloud infrastructure deployment, supports operations, coaches junior engineers, and evaluates hardware/software solutions.

Design, build, and operate multi-region AWS platforms with resilient networking, security, and automation. Implement IaC, cross-region routing, HA/DR patterns, observability, and cost/security best practices while collaborating with DevOps, SRE, Security, and application teams.

Design, build, and operate scalable cloud infrastructure and IaC for a GCP-centric data platform. Maintain CI/CD pipelines, enforce IAM/security best practices, run incident response/on-call, evolve the internal developer platform (IDP), and collaborate with data and ML teams to onboard and support production services.

Design and maintain scalable systems, collaborate with cross-functional teams, and enhance internal tooling while focusing on reliability and performance in infrastructure.

Design, build, and maintain cloud-based data pipelines and infrastructure on AWS, integrating on-prem and cloud flows. Implement IaC, CI/CD, containerization, observability, and automation to ensure high-throughput, reliable data ingestion and processing for autonomous systems.

Investigate and drive resolution of complex cloud-managed and IOS-XE/Catalyst switching issues. Triage escalations using CLI, packet captures, logs, and lab reproductions; coordinate across support, engineering, and product teams; translate findings into product quality improvements, documentation, and training.

Lead Product Engineering efforts to design, automate, and operationalize repeatable AWS/GCP cloud services. Define cloud standards, onboard services, implement IaC/config management, support operations, and act as SME and escalation point.

Design and build distributed backend services for the cloud monetization platform, focusing on correctness, consistency, scalable microservices, distributed transactions, and reliable asynchronous workflows. Influence system architecture, own service implementations, and collaborate across teams to support billing, reservations, payments, and revenue flows.

Design, manage, and optimise Abtrace's AWS infrastructure, including VPC/networking, serverless APIs, ETL/ELT data pipelines, CI/CD via GitHub Actions, observability with Datadog, and security/configuration using IAM, SSM, and Secrets Manager.

Build and own end-to-end cloud partner integrations: design architecture (auth, multi-tenancy, data movement), implement backend systems, run and be on-call for infrastructure/CI/deployments, work with external platforms and internal teams, and write design docs to set team technical direction.

Ensure availability, reliability and scalability of AWS-based services. Manage IaC, CI/CD for containerised and serverless apps, monitor with Prometheus/Grafana/CloudWatch, respond to incidents, drive cost optimisation and platform improvements.

As a Software Engineer, you will resolve complex customer issues related to Ubuntu and open source software, participate in upstream communities, and develop and review code across multiple layers of the software stack.