421 jobs for “It Operations Engineer”
GBR Recruitment Limited South Yorkshire £44,000 – £50,000 pa
Manage, maintain and optimise core IT infrastructure on an MoD base, covering Windows Server, virtual environments, networks, cloud services and backup systems. The role involves cybersecurity safeguards, incident resolution and mentoring a CIS team, working directly with the Programme Manager and MoD client. Requires SC clearance and five days on-site.
Amazon Didcot £40,000 pa
On-site maintenance technician and operator responsible for electrical, mechanical, generator and fire/life safety equipment in an AWS data centre, including troubleshooting, preventive maintenance, root cause analysis and supervising contractors. Requires shift work and on-call rotation, with hands-on work on UPS, switchgear, PDUs, AHUs and building automation systems to sustain better than 99.999% uptime.
Amazon Didcot
On-site maintenance technician and operator responsible for electrical, mechanical, emergency generator and fire/life safety equipment in an AWS data centre, including UPSs, switchgear, PDUs, AHUs, pumps and building automation systems. Duties cover troubleshooting, root cause analysis, routine rounds and readings, CMMS workflows, supervising contractors and on-call emergency response, with no shift work required.
NScale London
Senior technical role defining and standardising infrastructure operations across a global data centre estate. Leads complex hardware projects, major incident response and root cause analysis, drives capacity planning and operational documentation, and mentors teams across multiple sites. Requires occasional international travel to data centres.
Nebius London
Ensure fault-tolerance, scale and uninterrupted operations for a full-stack AI cloud platform, using cutting-edge cloud technology to solve infrastructure problems and improving CI/CD processes. Works with Go, Python or C++, Unix systems, networking, and containerization and configuration tooling such as Kubernetes, Helm, Terraform, Docker, Ansible and Salt. Coding interviews are part of the process.
CV-Library Fleet
Owns day-to-day security alerting, incident response and threat intelligence across a cloud-native microservice platform and internal IT estate, directing a Platform Ops team on remediation. Manages SIEM, endpoint and Microsoft 365 security tooling, vulnerability management and IAM, while maintaining ISO 27001 documentation and UK GDPR compliance as a by-product of good security practice.
NScale United Kingdom
Lead and scale an engineering team owning core platform systems, driving multi-quarter initiatives to improve delivery velocity, reliability and quality through systems validation. Partner with Product Management and engineering leaders to evolve the platform as a product, turning ambiguous problems like scalability and platform abstractions into execution plans. Requires up to 50% travel and spans internal platforms, infrastructure and developer tooling.
Databricks London
Owns the core write-path operations for Delta Lake, the open-source storage layer behind the Databricks Lakehouse, driving performance innovations like Low Shuffle Merge and Deletion Vectors. Designs and maintains high-QPS, low-latency backend systems at massive scale, with low-level debugging and performance optimisation on large production clusters. Also provides technical leadership, mentoring junior engineers and leading complex cross-team projects.
Cloudflare London
Works across the database stack, from query planning and execution to transaction processing and durable storage, shaping consistency, durability and latency guarantees. Defines how concurrent transactions become visible and how durable state is recovered, validating systems with deterministic simulation and production evidence. Includes on-call rotation and mentoring.
Cloudflare London
Builds and maintains the Release Manager platform that orchestrates progressive, health-mediated deployments and automates release workflows across Cloudflare's global infrastructure. Involves both backend systems and frontend tooling, with a focus on release safety, observability and AI-assisted operations, plus on-call rotation.
ARM Manchester
Leads the design, resilience and security of Kubernetes and OpenShift platforms for a banking client, setting Terraform standards and driving an internal developer platform built on Backstage. Owns observability, SLOs, runbook automation and automated control engineering, while mentoring engineers and shaping the technical roadmap across architecture, security and audit teams.
ARM Manchester
Builds and operates Kubernetes and OpenShift platforms for core banking, maintaining Terraform modules and CI/CD pipelines. Develops an internal developer platform with Backstage, plus observability, SLOs and automated control checks. Mentors junior engineers and participates in an on-call rota within an Agile team.
TXP London £600 – £625 pd
Hands-on lead building and productising an enterprise Azure platform, turning approved architecture into policy-governed infrastructure delivered entirely through code and automated pipelines. Owns Azure Landing Zones, Terraform/Bicep module libraries, governance as code, SLOs and observability, plus platform onboarding and adoption as a product for internal teams.
Databricks London
Customer-facing AI engineering role delivering professional services engagements, helping clients build and productionize GenAI applications such as RAG, multi-agent systems and Text2SQL. Involves production rollouts, serving as a trusted technical advisor, and collaborating with product and engineering teams to shape the roadmap.
CBSbutler Holdings Limited trading as CBSbutler Merseyside £480 – £500 pd
Owns the network architecture and connectivity patterns that integrate edge computing platforms into factory IT and OT environments, covering LAN/WAN, SD-WAN, routing, switching, firewalls and segmentation. Produces reusable blueprints, HLDs/LLDs and site-readiness assessments, working with enterprise architecture, security, network operations and factory teams. Predominantly remote with roughly one day per month on site in Merseyside.
