487 jobs for “Infrastructure Engineer”
Nebius London
Optimise GPU clusters and InfiniBand fabrics on a hyperscaler AI cloud platform, tuning performance and troubleshooting root causes across Kubernetes, QEMU and KVM. Integrate new GPU hardware, build automation for proactive fault detection, and work on multi-GPU HPC environments alongside hardware virtualisation and device emulation specialists.
Nebius Amsterdam, Netherlands; Germany; United Kingdom
Builds and operates a production Managed PostgreSQL service for AI workloads, spanning Go control-plane automation, Postgres internals tuning, and migration tooling off RDS, Cloud SQL and self-managed clusters. Also drives vector search (pgvector) and runs the service like an SRE, handling SLOs, incidents and customer escalations.
Amazon London
Builds and operates the software tools, services and components that automate and monitor AWS's global network infrastructure. The role spans designing new software, root-cause analysis, and improving testing, monitoring and deployment automation for internal network engineer customers. Requires UK national status and ability to obtain UK Government Security Clearance.
Amazon London
Hands-on security engineering role securing production AI systems deployed inside enterprise customer environments. You conduct design and code reviews, threat modeling and penetration testing for agentic workflows and RAG pipelines, and build security automation such as scanning tools, CI/CD gates and guardrail testing scripts. Work alongside FDE delivery pods, with up to 25% travel.
Fynity Cheltenham £80,000 – £120,000 pa
Hands-on role automating infrastructure provisioning, configuration and deployment in highly secure environments, building CI/CD pipelines and managing containerised applications on AWS. Works within a multidisciplinary Agile team alongside developers and customers, embedding security controls across cloud and container platforms.
Pontoon London £600 pd
Assess and replace legacy on-premises systems with a cloud-native architecture in a greenfield AWS environment. Design and build secure, scalable infrastructure, define standards, and implement Infrastructure as Code and automation while supporting data platforms, web apps, GIS tools and microservices.
Avanti Recruitment United Kingdom £40,000 – £50,000 pa
Hands-on role operating and improving a live, high-availability AWS production environment alongside an existing DevOps Engineer. Day-to-day work covers CI/CD pipelines, Docker and Kubernetes/EKS, automation, monitoring, logging and alerting, troubleshooting, and AWS cost optimisation, with shared rather than sole DevOps responsibility.
WeDoTech Bristol £400 – £450 pd
Hands-on integration role on a public-sector cloud transformation programme, modernising legacy applications and connecting existing systems with new cloud-native components on AWS and/or Azure. Day to day involves building and integrating application components across cloud and on-premise environments, deploying containerised systems, supporting automated build and release pipelines, troubleshooting across applications and environments, and producing technical documentation alongside development, infrastructure and testing teams.
Appcast Enterprise Worthing
Owns the health, security and governance of Microsoft Power Platform, RPA and integration tooling, covering capacity planning, licensing, DLP and access controls. Builds CI/CD pipelines and ALM practices in Azure DevOps and GitHub, and supports advanced AI such as Copilot agents, RAG and Azure OpenAI. Works across cloud, security, data and architecture teams in a regulated environment.
eFinancialCareers London £75,000 pa
Design, build and maintain scalable AWS cloud infrastructure for a defence and security organisation supporting critical national infrastructure. The role blends hands-on engineering with automation, monitoring and security, using Terraform/CloudFormation and CI/CD pipelines while collaborating with engineering and architecture teams.
Hays Technology London £550 – £600 pd
Lead an Agile engineering team delivering secure, scalable Azure infrastructure for a government client, combining technical leadership with hands-on platform engineering. Day to day you design, automate and support Azure environments using Terraform, Azure DevOps CI/CD and Databricks, translate HLDs into LLDs, review work against security standards and mentor engineers. Work is fully remote within highly regulated, restricted environments.
CrowdStrike London
Builds and maintains a high-performance, fault-tolerant production backbone network spanning multiple cloud providers, covering IP and optical technologies that connect data centres and edge sites. Owns improvement initiatives end to end, from funding and planning to operational support, and drives capacity planning, automation and reliability work while participating in a 24x7 on-call rotation.
Adecco Milton Keynes £500 – £600 pd
Builds and migrates applications and services to Microsoft Azure public cloud, operating DevSecOps tooling and developing infrastructure as code with Terraform or Bicep. Applies Zero Trust and cloud security principles within UK government frameworks such as Secure by Design and the Technology Code of Practice, working in secure environments on agile delivery.
NScale London
First dedicated owner of Foundry platform support, acting as first point of triage for all support requests and resolving issues end-to-end. Diagnoses problems at the Spark and pipeline level, escalating to specialists when needed, while building documentation, runbooks and monitoring to reduce recurring issues and raise user capability.
ECM Selection London £40,000 – £48,000 pa
Graduate role expanding and managing cloud infrastructure and automation across AWS, Azure and on-premise servers, with ownership of server management and security compliance. Involves IaC, CI/CD with GitHub Actions and Jenkins, and Python coding, with scope to become expert across the full stack in a small, close-knit team.
