Top DevOps Engineer Jobs in London

Design, build, and maintain scalable AWS infrastructure and developer tooling. Enable teams to own systems, support CI/CD, observability, containers, on-call/incident management, and collaborate with SRE/security to ensure resilient, secure services.

Design and deliver secure cloud-native platforms, automation, infrastructure as code, and CI/CD pipelines. Lead technical reviews, guide engineering decisions, support fault fixing and maintenance, mentor engineers, and improve engineering practices. The role requires hands-on experience with AWS, Terraform, CloudFormation, CDK, Kubernetes, Docker, Git, databases, APIs, scripting, and secure production environments, along with active or recently active SC or DV clearance and onsite work up to four days weekly.

Lead technical strategy and architecture across engineering squads, integrating AI-assisted delivery, MLOps, automation, and modern cloud infrastructure. Mentor engineers, promote psychologically safe collaboration, guide security and compliance practices, facilitate client workshops, manage technical scope, and improve delivery through engineering metrics such as DORA. The role also evaluates emerging technologies, supports go-to-market initiatives, and represents the consultancy externally.

Build and maintain Azure-based DevOps infrastructure, Kubernetes deployment tooling, and Argo CD GitOps continuous-delivery pipelines. Automate application deployments, improve release velocity, monitor system performance, and ensure infrastructure security, scalability, and reliability. Collaborate with development, QA, operations, infrastructure teams, and external providers while promoting DevOps best practices, troubleshooting systems, documenting solutions, and supporting team training.

Leads Azure DevOps strategy and implementation, designing CI/CD pipelines, automating infrastructure with IaC, and managing secure, scalable cloud environments. The role mentors development and operations teams, optimizes Azure resources for performance and cost, ensures compliance, and drives continuous improvement. Candidates need strong Azure, DevOps, CI/CD, Terraform or ARM, Docker, Kubernetes, cloud security, leadership, communication, and problem-solving experience, plus active or obtainable UK SC clearance.

Design, implement, maintain, and optimize Azure cloud infrastructure and production platforms. Build CI/CD pipelines, automate deployments with Infrastructure as Code, monitor and troubleshoot environments, support security and governance, and improve reliability, scalability, performance, and operational efficiency. Collaborate with engineering and delivery teams in Agile environments to deliver secure, highly available cloud solutions.

Leads Azure infrastructure initiatives, designing secure and scalable cloud solutions, CI/CD pipelines, Infrastructure as Code, and containerized workloads. Maintains monitoring, availability, performance, security, and operational reliability across Azure environments. Collaborates with multidisciplinary teams, mentors junior engineers, troubleshoots issues, and promotes Agile and DevOps best practices.

Lead Azure infrastructure and DevOps projects, designing secure, scalable cloud environments and maintaining CI/CD pipelines. Drive Infrastructure as Code adoption using Terraform and ARM Templates, support Docker and Kubernetes workloads, monitor system reliability, and improve cloud security and operational efficiency. Collaborate with multidisciplinary teams, lead technical initiatives, mentor junior engineers, troubleshoot issues, and promote Agile and DevOps best practices.

Leads a DevOps team responsible for the reliability, security, and operational efficiency of cloud and on-premise platforms. Owns Kubernetes infrastructure, GitHub-based CI/CD, GitOps, infrastructure as code, observability, incident response, disaster recovery, and security hardening. Provides technical mentorship, leads production deployments, manages platform tooling, develops runbooks, and collaborates with Engineering, SRE, Security, and Operations on platform improvements.

Design and evolve high-scale backend capabilities for GitLab’s container registry. Drive architecture, performance, reliability, security, APIs, testing, and operational readiness. Mentor engineers, influence technical direction, participate in incident response, and collaborate asynchronously across product, infrastructure, data, frontend, and security teams. Integrate and evaluate agentic AI systems in production engineering workflows while promoting responsible and effective use.

Design, implement, and evolve complex backend capabilities for GitLab’s global DevSecOps platform. Drive architecture and technical direction, improve quality, security, availability, performance, and operational readiness, and participate in incident response. Mentor engineers, lead through technical influence, collaborate asynchronously across product and infrastructure teams, and integrate reliable agentic AI systems into production engineering workflows.

Build and operate Namespace’s high-performance infrastructure platform supporting customer builds, tests, and CI jobs. Responsibilities include optimizing compute, memory, storage, and networking; automating provisioning, deployment, scaling, and recovery; developing observability and incident response processes; planning capacity; improving cost efficiency; and collaborating with product engineers to deliver reliable platform capabilities.

Designs, implements, and supports DevOps improvements that enhance software quality, efficiency, reliability, and delivery speed. Collaborates with development, QA, IT operations, information security, and user-centered design teams. Builds and maintains AWS infrastructure, CI/CD pipelines, containerized environments, Kubernetes platforms, Helm deployments, and Terraform infrastructure as code. Engages stakeholders, translates business requirements into technical solutions, supports monitoring and database integrations, and applies DevOps and cloud best practices.

Build and maintain CI/CD pipelines, cloud and on-premise infrastructure, infrastructure-as-code, monitoring, alerting, and logging for trading and business systems. Support developers with build, deployment, and environment issues; automate repetitive tasks through scripting; improve software delivery practices; investigate incidents; and participate in an on-call rotation. The role requires experience with GitHub Actions, containers, Terraform, cloud platforms, networking, and Python, PowerShell, or Bash.

Designs, implements, administers, and improves DevOps tooling and Azure infrastructure, with an initial focus on artifact management and repository modernization. Responsibilities include CI/CD tool administration, Kubernetes and Helm operations, infrastructure sizing, security improvements, monitoring, troubleshooting, migrations, automation, vulnerability management, and outage remediation. The role also evaluates requirements, configures build automation, supports high availability, and collaborates across global technology teams.

Build and operate Encord’s cloud infrastructure, deployment pipelines, Kubernetes platforms, automation, observability, and reliability processes. Design scalable infrastructure across GCP and AWS, optimize performance and capacity for large data workloads, define SLIs/SLOs/SLAs, improve incident response, and collaborate with engineering squads to promote resilient, automated DevOps practices.

Own Refractal’s infrastructure, release processes, cloud deployments, and customer-hosted packaging. Responsibilities include hardening Google Cloud, building secure CI/CD pipelines with signed artifacts and supply-chain verification, managing secrets and environment isolation, automating compliance controls, and improving observability. The role requires production infrastructure ownership, Terraform, Kubernetes, cloud networking and IAM, software supply-chain security, and Python or Go automation.

Leads technical direction for GitLab’s Core DevOps services, covering CI, CD, planning, and source control. Defines architecture, quality metrics, migration strategies, and technical roadmaps; addresses systemic risk and complex design decisions; prototypes and writes code when needed; partners with Infrastructure, Security, SRE, and Product; adopts AI capabilities; mentors senior engineers; supports incident response and senior technical hiring.

Supports multi-cloud infrastructure for software, fonts, and training tools serving minority language communities. Responsibilities include administering Kubernetes, managing public and private cloud environments, monitoring system health, improving infrastructure, testing disaster recovery plans, orchestrating cloud resources, and troubleshooting with development teams. The role also provides training and requires experience with virtual servers, containers, Linux and Windows administration, scripting, cloud networking and security, infrastructure as code, and automated provisioning.

Designs, implements, and maintains AWS cloud infrastructure and Kubernetes environments. Builds automation for deployment, monitoring, testing, and maintenance; develops security, compliance, and disaster recovery procedures; optimizes systems for availability, resilience, performance, and cost; troubleshoots infrastructure and application issues; and mentors junior DevOps engineers. The role supports complex government and national security software programs and requires high-level security clearance eligibility.

Principal Software Engineer responsible for end-to-end product ownership, architecture, technical strategy, platform infrastructure, CI/CD, observability, security, reliability, and legacy modernization. The role works across TypeScript, Python, cloud services, databases, frontend technologies, Kubernetes, and Terraform while mentoring engineers and shaping engineering standards across the organization.

Lead the design, delivery, and maintenance of cloud platforms, infrastructure-as-code, CI/CD pipelines, automated testing, and DevSecOps practices. Provide technical leadership, architecture guidance, mentoring, governance, and stakeholder collaboration. Optimize cloud costs, improve reliability and security, oversee engineering standards, and deliver scalable solutions using Azure, Kubernetes, and Terraform.

Build and maintain secure cloud-native platforms for UK public-sector clients. Responsibilities include researching technical solutions, automating infrastructure and delivery processes, creating secure CI/CD pipelines, collaborating with developers and customers, troubleshooting systems, participating in reviews, documenting practices, and sharing technical knowledge. The role requires working four days per week on site and holding active SC clearance with eligibility for DV clearance.

Build and operate AWS cloud infrastructure using infrastructure as code, containers, CI/CD pipelines, monitoring, and automation. The role includes optimizing ECS and Fargate workloads, improving CircleCI and GitHub Actions, managing observability with New Relic, participating in incident response, supporting disaster recovery, and applying security practices such as IAM, secrets management, patching, and network segmentation. The engineer will collaborate with product, support, and security teams while maintaining runbooks and operational tooling.

Improve the resilience, performance, scalability, and maturity of Arbor’s platform infrastructure. Responsibilities include enhancing high availability, testing, disaster recovery, CI/CD pipelines, deployment patterns, incident response, post-mortems, documentation, and knowledge sharing. The role works closely with platform, SRE, architecture, and engineering teams while operating large-scale AWS cloud systems and infrastructure as code.