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.

Designs, operates, and improves hybrid cloud infrastructure with a focus on Microsoft Azure. Responsibilities include managing SaaS, IaaS, and PaaS services; supporting Windows and Linux environments; developing Terraform-based infrastructure automation; maintaining CI/CD pipelines; and improving backup, disaster recovery, monitoring, security, governance, and cost efficiency. The role also involves incident response, root-cause analysis, cloud migration, and collaboration across engineering, security, and operations teams.

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.

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.

Design, deploy, maintain, and optimize secure cloud infrastructure and serverless services. Build deployment pipelines and developer tooling, improve observability and monitoring, and support continuous delivery and test-driven development. Collaborate with pipeline and systems teams while exploring AI-assisted code and media generation. The role supports products for advertising and brand management in an agile technology environment.

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.

Lead the technical direction and hands-on delivery of AWS and Azure infrastructure, Terraform modules, CircleCI pipelines, and production Kubernetes platforms. Implement DevSecOps controls, improve observability, reliability, cost efficiency, backup and disaster recovery, and lead incident response. Mentor engineers, conduct technical reviews, and collaborate with engineering, security, product, and architecture teams to deliver secure, scalable production solutions.

Lead DevOps Engineer on an agile team supporting low-latency electronic trading, data analytics and quant environments. Provide technical leadership, develop and review production code, manage CI/CD and release activities, automate tooling, monitor capacity, and deliver third-level production support while advocating firmwide engineering practices.

Build and maintain DevOps tooling, cloud infrastructure, containerized platforms, CI/CD pipelines, and monitoring solutions. Support application platforms within a multidisciplinary team, translate business requirements into technical implementations, improve reliability and delivery efficiency, and participate in an on-call rotation. The role requires AWS, Terraform, Kubernetes, Jenkins, ArgoCD, Helm, Kafka, GitOps, database management, and collaboration with Java development teams.

Designs, operates, and improves highly available cloud infrastructure for blockchain services across AWS, GCP, and Azure. Responsibilities include managing Kubernetes clusters and autoscaling with Karpenter, building Terraform infrastructure, developing CI/CD pipelines, operating Kafka, Redis, and NGINX, automating with Golang and Python, and improving observability, reliability, security, and disaster recovery. The role also involves production troubleshooting, incident response, on-call participation, and collaboration with software engineering teams.

Own and improve Zinc’s platform architecture, developer experience, CI/CD pipelines, and deployment strategy. The role partners with the Platform Lead to modernize systems, build scalable infrastructure, define engineering tools and policies, and improve platform reliability and developer productivity. Responsibilities include working with TypeScript, YAML, AWS ECS, containers, Terraform, Terragrunt, CircleCI, and JavaScript performance debugging. This is a mid-to-senior role with no on-call rotation.

Lead the design, delivery, and operation of secure AWS cloud infrastructure, infrastructure-as-code, CI/CD pipelines, containerized workloads, and DevSecOps practices. Own Terraform-based automation, monitoring, observability, troubleshooting, and technical decisions across client engagements. Collaborate with architects, security specialists, and clients while establishing engineering standards, mentoring engineers, and improving reliability and delivery efficiency.

Build, maintain, and improve CI/CD pipelines and build infrastructure across development, testing, and release workflows. Optimize build performance, reliability, scalability, caching, dependency management, and reproducibility. Develop automation and developer tooling, operate CI infrastructure, troubleshoot pipeline failures, and improve CI/CD security and engineering workflows. Partner closely with software engineering teams to enhance developer experience and software delivery.

Designs and maintains Salesforce CI/CD pipelines, automates deployments, manages metadata and configuration across environments, and coordinates release management. The role provides environment support, troubleshoots deployment issues, administers Git repositories and branching strategies, supports governance and change management, documents procedures, and reports deployment metrics. It also promotes DevOps best practices, continuous improvement, automated testing, and reliable Salesforce platform delivery across technical and business teams.

Own and evolve Windows-based AWS infrastructure, ensuring reliability, security, and performance. Manage patching, vulnerability remediation, hardening, monitoring, incident response, and production operations. Build CI/CD pipelines and infrastructure automation using Terraform and PowerShell. Support Windows Server, SQL Server, Active Directory, IIS, and .NET workloads while partnering with engineering and security teams. Participate in on-call rotations, troubleshoot production issues, support releases, and lead post-mortems to improve system stability and reduce operational toil.

Designs and maintains secure, scalable Azure cloud platforms and CI/CD pipelines. Develops Infrastructure as Code with Terraform and Bicep, automates provisioning and deployments, embeds security and testing, implements observability, troubleshoots complex infrastructure issues, and improves reliability. The role also supports containers, governance, documentation, and technical mentoring across multidisciplinary delivery teams.

Lead the design, automation, security, and operation of Catapult’s global cloud and hybrid infrastructure. Own AWS platform engineering, Terraform or Ansible IaC, CI/CD pipelines, observability, reliability, compliance, and AppSec integration. Define the platform architecture roadmap, establish reusable engineering standards, and influence engineering, security, and finance stakeholders while delivering scalable, secure infrastructure for sports performance data and video services.

Manage and evolve AWS and secure on-premises environments, providing L3 production support and 24/7 on-call coverage. Build and maintain Kubernetes, Kafka, database, identity, caching, CI/CD, and observability platforms. Automate infrastructure and pipelines, improve testing and service resilience, manage incidents and changes through ServiceNow, address technical debt, and support secure data replication and critical national infrastructure deployments.

Build, deliver, and operate AI-focused DevOps environments across hybrid infrastructure, Azure, and AWS. Develop RAG and data pipelines, MLOps workflows, AI agents, GPU workloads, infrastructure automation, and containerized platforms. Support live, business-critical systems while improving scalability, reliability, observability, and standardization. Collaborate across teams, modernize infrastructure, and implement emerging AI and cloud technologies.

Deliver and operate DevOps environments across hybrid on-premise and multi-cloud infrastructure spanning Azure and AWS. Build automation and standardization using Terraform, Terragrunt, Ansible, and Python; support containerized platforms and critical live systems. Contribute to technology modernization, CI/CD, observability, testing, resilience, and AI infrastructure. Collaborate through peer reviews and pull requests while independently delivering project and business-as-usual objectives in a fast-moving trading environment.

Supports and maintains AWS and secure on-premise environments, including L3 production support, 24/7 on-call rotations, infrastructure automation, CI/CD pipelines, observability, databases, identity services, Kafka, incident management, and secure data replication. Works under senior guidance while contributing to deployments, change governance, technical debt reduction, testing, and continual service improvement.

Own and evolve AWS and secure on-premise platforms, leading L3 production support, on-call incident response, infrastructure maintenance, automation, observability, CI/CD, security compliance, and service improvement. Build and manage Kafka, databases, identity, caching, replication, and secure data-flow services. Drive technical debt reduction and governance, support deployments and change management, align platforms with product roadmaps, and mentor junior and mid-level engineers.

Own and optimise Salesforce CI/CD pipelines using Copado, automate metadata and code deployments, manage environments (data masking/seeding), integrate automated testing and quality gates, monitor and troubleshoot releases, and mentor teams to improve DevOps practices.