Cyber Security Jobs

• Aarhus, Denmark
• Remote
• Senior
• Permanent

Owns major components of the Windows kernel-mode endpoint sensor, architecting and building anti-virus and EDR features that cut across file system, memory, process and networking subsystems. Works on cross-platform deliverables with shared components across Windows, Mac and Linux, leading projects from design through delivery and demo.

Windows · Mac · Linux +1

• London
• Remote
• Senior
• Permanent

Builds and owns major components of the Falcon endpoint sensor, a Windows kernel-mode driver that observes system activity, detects malicious behaviour and provides on-box prevention plus telemetry to the cloud. Work spans OS internals such as file system, memory, process and networking, with cross-platform components shared across Windows, Mac and Linux.

Windows · Mac · Linux +1

• Lisbon, Portugal
• Hybrid · 3 days in office
• Senior
• Permanent

Builds and operates production ML systems for document extraction powering identity verification, working with VLMs/LLMs and traditional ML at scale. Owns technical design from RFC to deployment, optimising GPU inference, training and evaluation pipelines, and labelling workflows. Mentors engineers and collaborates with Applied Science, Product and Data Science in a squad-based team.

AWS · Kubernetes · TensorFlow +4

• London
• On-site
• Lead
• Permanent

Manage and improve a large-scale AWS and Kubernetes infrastructure powering an ML-based ID verification platform. Automate deployments, harden security with the security team, and provide tooling and guidance to product engineers to boost scalability and reliability. Works in an Agile DevOps team using Terraform, Helm, Docker, GitLab CI and Python.

AWS · Kubernetes · Terraform +7

• London
• Hybrid
• Director · manages people
• Permanent

Lead and grow a Cloud Security practice, defining vision, capability and commercial success while ensuring high delivery standards for clients. Drive adoption of cloud and AI security technologies, strengthen partnerships with Microsoft and other vendors, and build a team of cloud security specialists. Combines technical leadership, business development, partner engagement and client-facing consulting.

Microsoft

• Belfast
• Hybrid
• £80,000 – £100,000 pa
• Lead
• Permanent

Independent assurance voice across a sovereign AI platform's cloud estate, corporate environment and AI capability. Sets security baselines for DevOps, IT and Product Security Engineering, then verifies them through continuous monitoring and independent testing, including AI controls such as prompt injection defences and agent permissions. One of the founding roles in a scaling assurance function, working with defence and government customers.

Wiz · ISO 42001 · EU AI Act +4

• Reading
• Hybrid · 2 days in office
• £40,000 – £42,500 pa
• Junior
• Permanent

First line of defence for day-to-day security hygiene at a SaaS vendor: patching the Windows estate, monitoring CrowdStrike, and assessing the impact of new vulnerabilities. Works closely with the infrastructure team, with a structured route into Azure and wider cloud security engineering.

CrowdStrike · Microsoft Defender · Azure +2

• Devon
• £600 pd
• Mid-level
• Contract

Hands-on operational support for identity and access management in a busy Higher Education IT team, covering Active Directory and Microsoft Entra ID. Day-to-day work includes user lifecycle management, group memberships and permissions, troubleshooting identity incidents, and cloud authentication administration, freeing senior specialists for project delivery.

Active Directory · Microsoft Entra ID · Azure AD +2

• London
• Permanent

Join a Security Operations Centre to build detections for suspicious and malicious behaviour, respond to security incidents, and engineer automation and AI-driven solutions that improve team efficiency. You'll collaborate with data scientists, software engineers and security experts to protect AWS infrastructure and UK customers at massive scale.

AWS

• United Kingdom
• Hybrid
• £535 – £565 pd
• Senior
• Contract · Flexible

Design, build and operate Kubernetes platforms on Amazon EKS within a cloud platform team, covering cluster security, networking, scalability and resilience. Automate provisioning, upgrades and scaling with Terraform, support CI/CD and GitOps pipelines, and implement monitoring and observability tooling. Requires active SC clearance and occasional onsite attendance roughly every two months.

Amazon EKS · Terraform · Docker +7

• London
• Hybrid
• £70,000 – £75,000 pa
• Mid-level
• Permanent

Hands-on role blending DevOps, cloud and security across AWS and Azure environments, embedding controls into CI/CD and Infrastructure as Code. You'll improve IAM, monitoring and vulnerability management while supporting client migrations and the company's push towards SOC 2 compliance, working alongside Platform/DevOps and Compliance teams.

AWS · Azure · GuardDuty +7

• London
• On-site
• £475 – £525 pd
• Contract · Shift work

Hands-on SOC and incident response role investigating cyber security threats across macOS endpoints, Linux cloud workloads, microservices and containerised environments. Responsibilities include alert triage, severity assessment, containment and remediation, telemetry correlation, evidence documentation and improving detection playbooks. On-site shift work covering 10-hour shifts between 06:00 and 16:00.

SIEM · EDR · XDR +3

• Manchester
• Hybrid
• £60,000 – £70,000 pa
• Lead

Owns the Group's infrastructure estate across Microsoft 365, Azure, networks, security and end-user services, defining the technology roadmap and leading modernisation and transformation initiatives. Acts as primary technical owner of the MSP and key suppliers, driving resilience, identity and endpoint security, and multi-site networking. Hybrid role in Manchester within a growing property investment business.

Microsoft 365 · Azure · Entra ID +7

• Dublin, Ireland
• Hybrid · 1 day in office
• £69,059 – £73,375 pa
• Mid-level

Join a scaling SaaS platform team in a regulated environment, owning AWS infrastructure, Kubernetes (EKS) workloads, and Terraform-based IaC. You'll build and optimise CI/CD pipelines, write Python and Bash automation, monitor production systems, and support incident response alongside Software Engineering and QA.

AWS · Kubernetes · EKS +7

• Manchester
• £550 – £650 pd

SC Penetration Tester£600 - £700 A Day Outside IR356 MonthsRemote (Occasional Manchester travel)We are looking for a security cleared penetration tester to support a public sector customer to deliver high-assurance security testing.The role offers the opportunity to work on complex…