427 jobs for “Systems Administrator”
CrowdStrike Ireland
Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design through prototyping, implementation and production operations. Works fully remotely across time zones, choosing your own tech stack and maintaining both new and legacy Go and Python services.
CrowdStrike Romania
Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design and prototyping through production deployment and long-term maintenance. Works fully remotely across time zones, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain and improve.
Databricks London
Serve as the trusted technical ML and AI expert for enterprise customers, architecting production-grade ML and AI workloads including end-to-end pipelines, MLOps lifecycle management, and cloud-native integrations. Specialize in GenAI solutions such as RAG architectures and agentic systems, while mentoring colleagues and influencing the platform's AI roadmap.
Databricks Belgium; Finland; Remote - Denmark; Remote - France; Remote - Germany; Remote - Italy; Remote - Netherlands; Remote - Spain; Remote - Sweden; Remote - United Kingdom; Switzerland
Individual contributor on a distributed incident response team handling security threats, high-priority alerts and forensics across cloud environments. Uses Databricks' own platform for near-real-time log analytics and builds AI/agentic automations to scale response, while mentoring junior responders and providing technical leadership.
Nebius London
Hands-on role maintaining and optimizing IT infrastructure in a data center, working with advanced H200 GPU cloud clusters. Responsibilities include diagnosing server hardware issues, installing and dismantling hardware, managing fiber optic connectivity, processing RMAs, and writing configuration documentation while collaborating with internal teams and contractors.
Nebius London
Builds and operates low-latency, high-throughput runtime services for an agent-native search platform, handling thousands of requests per second under strict latency budgets. Work spans query processing, retrieval orchestration and response assembly, with heavy focus on CPU, memory and data-access optimisation, observability and reliability. Collaborates with indexing and ML teams to integrate retrieval and ranking while keeping ML logic decoupled from core internals.
Amazon London
Owns global BMS/EPMS design standards, specifications, Basis of Design documents and scope of work for AWS data centers, acting as the single point of contact across new builds, colocation and legacy retrofit projects. Involves vendor selection, bid and submittal review, commissioning support, on-call rotation and roughly 25% global travel.
Amazon London
Lead a team of ProServe Delivery Consultants supporting AWS enterprise customers through application migration and modernization projects. Act as a strategic advisor to C-level executives, driving opportunity capture, proposals, SOWs and engagement delivery while managing partner relationships and team utilization.
Synextra Warrington £65,000 – £80,000 pa
Senior escalation point for complex Azure incidents across customer environments, spanning compute, networking, DNS, identity and storage. Also delivers sprint work building Terraform environments, CI/CD pipelines in Azure DevOps and GitHub Actions, and automation, plus supporting the Azure platforms behind the company's AI products. Includes on-call rota and mentoring.
Searchability Manchester £90,000 – £100,000 pa
Design, build and optimise production-grade AI solutions focused on RAG, LLMs and agentic workflows. Develop RAG pipelines, improve retrieval strategies, implement fine-tuning and establish evaluation frameworks, while contributing to technical decisions, code reviews and mentoring engineers alongside AI Platform Engineers.
Maxwell Bond London £85,000 – £105,000 pa
Build Descrial end to end, from PostgreSQL schema to TypeScript/React interfaces, for a confidential financial-data platform. You own features across async Python services, auth and multi-tenant isolation, AWS/Kubernetes deployment, and LLM-powered features with the AI/ML team, reporting to the Head of Engineering in a small, senior London team.
Spectrum IT Recruitment Luton £50,000 pa
Monitors and maintains business-critical AWS production environments, owning live incidents through to resolution on a 24/7 rotating shift pattern. Writes automation in Python, Bash or Go to remove manual work, improves observability tooling, and manages containerised workloads on Terraform and Docker alongside software, platform, cloud and security teams.
Adria Solutions Manchester £70,000 – £85,000 pa
Owns AWS infrastructure, CI/CD pipelines and observability for a new fintech platform, reporting to the CTO. Combines hands-on cloud engineering, automation, security and production reliability, including incident response, on-call and PCI-DSS/FCA controls, with significant influence over tooling and how the platform scales.
Damia Group London £375 – £450 pd
Architect and hands-on engineer complex, enterprise-scale cloud-native systems on Google Cloud Platform, leading architectural design and producing RFCs, ADRs and diagrams. Requires deep Kubernetes platform engineering, including custom Operators and CRDs, plus Go or Python development, CI/CD and Infrastructure-as-Code. Also mentors engineers and shapes cloud engineering standards across teams.
Michael Page Birmingham £64,800 – £72,000 pa
Builds DevOps foundations to move AI, automation and modern applications from proof of concept into secure production services. Works across Azure, Azure DevOps, Bicep IaC, Azure AI Foundry/OpenAI and Power Platform, complementing an established cloud engineering function rather than handling traditional infrastructure.
