428 jobs for “Systems Administrator”
Cloudflare London €66,000 – €91,000 pa
Senior engineer and technical lead on Cloudflare's Agentic Commerce team, building infrastructure that makes web resources payable for autonomous agents. Work spans low-latency transaction processing, usage metering, digital wallets and emerging agentic payment protocols (x402, WBA, ACP, UCP), with heavy emphasis on RFCs, architecture specs, incident response and mentoring.
Cloudflare London €74,000 – €93,000 pa
Lead and grow the engineering team behind Cloudflare's agentic commerce products, including the Monetization Gateway, machine-to-machine micropayments, usage metering, pricing engines and revenue attribution. The role is hands-on-technical management, partnering with Product and blockchain teams on payment rails, cryptographic auth and open agentic payment standards, with on-call responsibilities.
CrowdStrike USA, NY £140,000 – £215,000 pa
Lead a team of engineers building self-service infrastructure-as-code primitives, architecting large-scale core services across AWS and GCP, and driving cloud cost optimization. The role combines people management with hands-on technical direction, defining deployment standards and SRE practices for a platform handling trillions of daily events.
CrowdStrike Canada - Remote ON CA$150,000 – CA$200,000 pa
Lead a growing team of engineers building self-service infrastructure-as-code primitives, high-availability core services and internal developer platforms at massive scale. The role blends people management with hands-on architecture work across multi-cloud environments, driving cloud cost optimisation and SRE standards.
eFinancialCareers London £70,000 – £80,000 pa
Design, build and scale Python backend services for a market-leading digital platform, working with Django, FastAPI, AWS, PostgreSQL, Kafka and Kubernetes. The role involves translating business requirements into architecture, developing APIs and microservices, and mentoring junior engineers within a collaborative cross-functional team.
eFinancialCareers London £550 – £600 pd
The C# Backend Engineer role involves designing and building core backend services using C# and .NET, collaborating with architects and DevOps to create secure and structured systems. Responsibilities include implementing secure APIs, working with authentication frameworks, and maintaining technical documentation.
Databricks London
Own the end-to-end technical strategy for enterprise accounts, leading architecture discussions and designing scalable lakehouse, streaming and ML/AI solutions on the Databricks platform. Act as a trusted advisor to customer architects and engineering leads, driving platform adoption and competitive wins while developing a declared technical specialisation.
NScale United Kingdom
Senior technical authority owning the design, validation and operation of AI-optimised network fabrics, including InfiniBand, RoCE and high-performance Ethernet at data centre scale. Combines hands-on engineering with architecture leadership, driving GitOps-based automation in Python and Ansible, network security, observability and 3rd/4th line escalation while mentoring engineers across teams.
NScale United Kingdom
Oversees technical design and permitting for AI-optimised data centres across Europe, working from concept through construction drawings. Collaborates with construction, cost, engineering and in-country teams plus external architects and MEP/CSA consultants, managing permitting in multiple jurisdictions and reviewing design packages for compliance and constructability using BIM tools such as Revit and Navisworks.
Databricks London
Acts as the tier-3 technical escalation point for large-scale enterprise data warehouse migrations to the Databricks Intelligence Platform across EMEA. Builds assessment tooling and migration assets, mentors regional Solutions Architects, and feeds field insights back to Product and Engineering while authoring whitepapers and speaking at public forums.
Amazon Bracknell £40,000 pa
On-site maintenance technician and operator for an AWS data centre, responsible for operating and maintaining electrical, mechanical, emergency generator and fire/life safety equipment. Duties include hands-on troubleshooting of switchgear, UPS, PDU, AHU, pumps, motors and VFDs, root cause analysis, daily rounds and readings, CMMS workflows, supervising contractors and on-call emergency response. No shift work required.
Amazon London
Owns global EPMS design standards for AWS data centers, reviewing MEP electrical drawings, authoring scopes of work, points lists and Basis of Design documents, and validating device functionality at factory and equipment qualification tests. Acts as central point of contact across construction, programming and MEP teams, with global travel to support new builds and legacy site upgrades.
Nebius Chertsey
Hands-on role maintaining and optimising IT infrastructure in a GPU cloud data centre, covering server and network hardware diagnostics, installations, upgrades, decommissioning, and fibre optic and patch cabling. Involves shift work Friday to Monday across day and night shifts, plus possible travel between sites and on-call rotations.
Nebius London
Builds and operates a multi-tenant distributed data platform based on YTsaurus, writing core C++ for storage, scheduling and dynamic tables. Works end-to-end on platform features, performance and reliability, including on-call, with Go and Python for services and tooling.
Palo Alto Networks United Kingdom
Customer-facing technical expert guiding higher education and research clients through cybersecurity transformation, defining cross-platform solutions across on-prem, cloud and security operations. Combines pre-sales discovery, demos, workshops and technical validation with account planning, working alongside Professional Services, Customer Success and channel partners.
