Top DevOps Engineer Jobs in London

Build, maintain, and operate Mimica’s multi-region Kubernetes platform (GKE/EKS), infrastructure-as-code, GitOps pipelines, and observability. Support engineering teams, triage incidents, migrate IaC to Crossplane, drive FinOps, and design BYOC/single-tenant access patterns while automating work with Python tooling.

Lead DevOps initiatives across multiple squads: design and maintain CI/CD pipelines, manage Azure infrastructure with Terraform, integrate code-quality tools, implement monitoring and automation, mentor engineers, and optimize cloud services for reliability, performance and cost.

Implement and support DevOps improvements to increase delivery speed and software quality. Build and maintain CI/CD pipelines, IaC with Terraform, container orchestration with Kubernetes and Helm, AWS infrastructure, database schema changes, monitoring, and automation in Python. Collaborate with development, QA, IT operations, infosec and stakeholders to translate business needs into technical solutions and best practices.

Lead design, deployment, and operation of scalable Kubernetes and cloud infrastructure. Own infrastructure-as-code, automation, and self-service tooling. Drive incident response, platform reliability, and cross-team collaboration while mentoring engineers and partnering on multi-org platform standards.

The DevOps Engineer provides technical support, coordinates change requests, maintains testing collateral, executes code deployment, develops automation tools, and ensures adherence to security practices while working with agile methodologies.

As a DevOps Engineer, you will ensure infrastructure reliability and security, automate deployment, administer systems, and integrate security testing tools.

Secure and scale cloud infrastructure by implementing CI/CD, hardening DigitalOcean and other cloud environments, managing certificates and DNS, integrating IAM/SSO and KYC providers, applying DevSecOps practices, automating infrastructure as code, participating in incident response, and collaborating with engineering teams to optimize deployments and reduce downtime.

Design, deploy, and operate AWS infrastructure and CI/CD pipelines for multi-environment digital services. Manage networking (Transit Gateway, PrivateLink), IAM/MFA, Kong API Gateway, serverless and microservice architectures, Kafka integrations, and FinOps tagging. Troubleshoot deployments, improve automation, support accessibility standards, and collaborate within Agile teams.

Own and operate AWS cloud infrastructure, develop Infrastructure as Code with Terraform, maintain Kubernetes and ArgoCD environments, build reliable CI/CD pipelines, monitor system performance, troubleshoot incidents, and collaborate with architecture and delivery teams on secure DevOps solutions.

Lead DevOps pipeline design and implementation, advise clients on DevOps best practices, establish DevOps functions, and engage stakeholders to ensure seamless delivery across projects.

Hands-on DevOps Engineer supporting AWS-based infrastructure and Kubernetes platforms. Build and maintain IaC (Terraform), CI/CD pipelines, monitoring, security, automation, and platform reliability. Support development teams, manage container image pipelines, maintain documentation, and contribute to cloud cost optimisation and incident resolution.

Lead the development and implementation of secure cloud environments for National Security and Defence clients by leveraging commercial and open-source technologies.

Design, automate, and operate secure cloud-native infrastructure and CI/CD pipelines. Prototype solutions, build IaC, containerised platforms, collaborate on reviews, document practices, and improve delivery and security.

Lead design and implementation of CI/CD pipelines, infrastructure automation (Ansible/Terraform), and containerised platforms (Docker/Kubernetes/EKS/AKS) on AWS. Monitor and optimize systems (DataDog), ensure security/compliance, troubleshoot environments, mentor engineers, and drive POCs for AI-assisted automation integrated into CI/CD, code validation, and incident resolution.

Own and operate an on-prem Kubernetes platform for trading systems: cluster lifecycle, observability (metrics/logs/traces), GitOps CI/CD, infra automation, and onboarding/support for trading desks.

Support and optimize AWS cloud infrastructure, including networking, security, automation, monitoring, and on-premises connectivity. Design and manage VPCs, subnets, load balancers, NACLs, NAT, Direct Connect, Transit Gateways, IDS/IPS, and security groups. Automate infrastructure with Chef and use Git, Jenkins, and Nexus for development workflows. Maintain Red Hat Enterprise Linux environments, promote cloud networking best practices, support AWS migrations, and help teams adopt agile ways of working.

Own a platform domain end to end, defining architecture, roadmap, reliability, security, and cost standards. Build scalable multi-tenant Kubernetes infrastructure, enable self-service deployments, advance agent-native engineering practices, and develop tooling for safe agent execution. Partner with engineering teams to translate infrastructure needs into reusable capabilities, mentor engineers, lead design decisions, and manage on-call and post-incident processes.

Senior DevOps engineer responsible for designing, implementing and optimizing cloud deployments and CI/CD pipelines, containerisation (Docker), and Kubernetes orchestration on Azure (or AWS). Automate infrastructure provisioning with Terraform, integrate security best practices, collaborate with engineering and QA, support production environments, participate in on-call rota and occasional weekend release activities, and contribute to scalable, resilient platform design for a blockchain-based financial markets project.

Design, automate and maintain Azure infrastructure at scale using Terraform and CI/CD. Build pipelines (Azure DevOps, GitHub Actions), enforce security and governance (Azure Policy, RBAC, Key Vault, Entra ID), monitor and optimise workloads, troubleshoot incidents, perform code and architecture reviews, mentor engineers, coordinate delivery, support migrations and onboarding, and participate in on-call rotations.

Lead ownership of Azure cloud infrastructure: design and enforce RBAC, build monitoring and centralized logging, optimise scalability and cost, own CI/CD and IaC (Terraform/Bicep), mentor engineers, and implement security and observability best practices for a growing AI healthtech platform.

Deliver DevOps and automation roadmap focusing on ephemeral environments and agentic automation. Support CI/CD, environment and release management, deployments (MSSQL, websites, services) on Windows/RedHat. Build self-service Automation-as-a-Service, modernize pipelines (GitHub Actions, Azure Pipelines, OctopusDeploy), implement IaC (Terraform), observability (Datadog, Prometheus, Grafana, OpenTelemetry), and embed security and compliance into SDLC.

The Senior DevOps Engineer will manage AWS infrastructure, optimize services, improve CI/CD pipelines, and enhance system observability while ensuring compliance with necessary standards.

The Staff DevOps Engineer will enhance and manage infrastructure for AI inference, focusing on speed, resilience, and automation across GPU fleets and production systems.

As a Senior DevOps Engineer, you'll design and implement AWS infrastructure, ensure system reliability and security, manage CI/CD pipelines, and lead incident resolutions.

The role involves maintaining production servers, managing Python infrastructure, and solving operational issues in a quantitative trading environment.