Cyber Security Jobs

CrowdStrike · United Kingdom

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 autonomously on a distributed remote team, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain and improve.

CrowdStrike · United Kingdom

Senior consultants lead front-page incident response investigations for Fortune 100 clients, conducting host and network forensics across Windows, Mac and Linux and hunting adversaries in large data sets. Work is directed by project leadership and outside counsel, producing written and verbal findings for executives, regulators and legal teams.

Palo Alto Networks · Amsterdam, Netherlands

Lead the design and planning of Idira privileged account security solutions for customers, coordinating with implementation, sales and product teams. Act as a technical expert across enterprise networking, databases and vulnerability management, advising on best practices and managing the full customer journey. Remote role with occasional travel and cross-functional, client-facing work.

Palo Alto Networks · London

Designs and plans Idira privileged-account security solutions for customers, coordinating with implementation, sales and product teams to ensure architectures meet standards and are executed as planned. Acts as a technical expert across enterprise networking, databases and vulnerability management, advising on best practices and managing the full customer journey. Requires occasional travel and close stakeholder communication from technical to executive audiences.

CrowdStrike · London

Owns the global product vision and multi-year strategy for CrowdStrike's Falcon Next-Gen SIEM platform, prioritising third-party data connectors and integration pipelines based on market research and customer demand. Works across engineering, data services, sales ops and partners to define ingestion SLOs, mentor product managers and expand the SIEM ecosystem.

CrowdStrike · London

A 12-week summer internship focused on red teaming, shadowing live engagements and learning TTPs, project management and consulting basics. Interns run a simulated red team engagement against a lab environment, present findings to mentors, and complete a tooling or process-improvement project with the red team's development team.

CrowdStrike · Reading

A 12-week summer internship focused on red teaming, where you shadow live engagements, run a simulated red team exercise against a lab environment, and build a tooling or process-improvement project with the development team. Fully remote, with interns expected near London, Reading or Edinburgh for social events.

CrowdStrike · United Kingdom

A 12-week summer internship focused on red teaming, shadowing live engagements and running a mock red team exercise against a lab environment to find vulnerabilities. Interns also work with the development team on a tooling or process improvement project, presenting findings to mentors in simulated client interactions.

CrowdStrike · London

Builds and maintains a high-performance, fault-tolerant production backbone network across multiple cloud providers, spanning IP and optical/DWDM technologies connecting data centers and edge sites. Owns improvement initiatives end to end, drives capacity planning and network automation with Python, Ansible and CI/CD pipelines, and participates in a 24x7 on-call rotation.

CrowdStrike · London

Builds and operates an end-to-end validation pipeline for a cloud detections platform, verifying component, system and application-level features across processing, data and customer-facing layers. Involves CI/CD work with Jenkins or GitHub Actions, code and design reviews, and debugging race conditions and performance bottlenecks in large distributed systems.

CrowdStrike · Pune, India

Supports integrations for Falcon modules, primarily NG-SIEM and Onum, partnering with a Product Manager, engineering, and business development across a team of ~30 engineers and 300+ growing integrations. Drives scheduling, scoping, and end-to-end execution of large-scale engineering projects, coordinating cross-functional teams across Europe, the UK, and the US.

CrowdStrike · Bucharest, Romania

Owns major components of the Windows kernel-mode Falcon sensor, architecting and building anti-virus and EDR features that span file system, memory, process and networking subsystems. Leads projects end to end, from design through unit and component testing, while mentoring and collaborating with a distributed, cross-platform team.

CrowdStrike · Reading

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 architecture, design and delivery across file system, memory, process and networking subsystems, with shared components across Windows, Mac and Linux. Involves leading projects, mentoring and collaborating with distributed teams.

CrowdStrike · Aarhus, Denmark

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.

CrowdStrike · London

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.