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 · London

Designs, implements and operates a global multi-vendor, multi-cloud and hybrid data center network, covering subnetting, VPC peering, direct connects and hub-spoke topologies. Builds IaC and automation tooling (Ansible, Terraform, Python, Go) in CI/CD pipelines and handles complex production troubleshooting plus on-call rotations.

Darktrace · Cambridge

Contributes to security research projects spanning rapid prototyping and open-ended initiatives, with a focus on generative AI systems. Investigates attacker tradecraft such as prompt injection, poisoning and extraction attacks, and provides feedback to product, development and machine learning teams. Hybrid role requiring two days a week in the London or Cambridge office.

Darktrace · London

Contributes to projects spanning rapid prototyping and open-ended research into generative AI security, investigating attacker tradecraft such as prompt injection, poisoning and extraction attacks. Acts as a domain expert, feeding insights back to product, development and machine learning teams, with coverage in network, endpoint, cloud or Kubernetes.

CrowdStrike · Reading

Internship on CrowdStrike's Technical Analysis Cell, researching nation-state and criminal intrusions through reverse engineering of malware and tooling. The intern builds automation for malware analysis, creates host- and network-based detection signatures, and produces threat intelligence reporting for varied audiences.

CrowdStrike · London

Internship on CrowdStrike's Technical Analysis Cell, researching nation-state and criminal intrusions through reverse engineering, malware analysis and automation tooling. Interns build host- and network-based detection signatures and produce finished threat intelligence reporting for varied audiences.

CrowdStrike · Germany

Internship on CrowdStrike's Technical Analysis Cell, researching nation-state and criminal intrusions through reverse engineering of malware and tooling. The role involves building automation for malware analysis, creating host- and network-based detection signatures, and producing finished threat intelligence reporting for customers.

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.

CrowdStrike · Spain

Serve as a senior technical consultant on front-page incident response engagements for Fortune 100 organisations, conducting intrusion investigations under project leadership and outside counsel. Perform host and network forensics across Windows, Mac and Linux, hunt threat actors in large datasets, and produce written and verbal findings for customers, regulators and legal counsel.

CrowdStrike · Ireland

Serve on the technical team of front-page incident response engagements for Fortune 100 organisations, hunting adversaries across large data sets and conducting intrusion investigations under project leadership and outside counsel. Perform host and network forensics across Windows, Mac and Linux, and produce written and verbal findings for customers, regulators and legal counsel.

CrowdStrike · Arlington, United States · £140,000 – £215,000 pa

Lead a team building the foundational platform behind CrowdStrike's massive-scale cloud infrastructure, architecting core services and driving cloud cost optimization across AWS and GCP. The role blends people management with hands-on technical direction, setting deployment standards and SRE practices in a multi-cloud, Linux-based environment.

CrowdStrike · United Kingdom

As an Associate Consultant on the Platform Professional Services team, you'll act as a trusted advisor helping customers operationalise Falcon Next-Gen SIEM, answering technical questions, demonstrating capabilities and shaping a roadmap. You'll work with log management, XDR and SOAR features, transfer knowledge of Falcon LogScale NGSIEM, and feed customer insights back to product teams.

CrowdStrike · United Kingdom

Lead a team of data scientists applying machine learning, large language models and reverse engineering to cybersecurity problems at massive scale, handling trillions of events daily. The role blends technical leadership, roadmap planning and stakeholder alignment with hands-on work on malware detection and threat analysis.

CrowdStrike · Spain

Lead a team of data scientists applying machine learning, large language models and reverse engineering to cybersecurity problems at massive scale, handling trillions of events daily. The role blends technical leadership, roadmap planning and stakeholder buy-in with hands-on work on malware detection, behavioural threat analysis and AI-driven security automation.

CrowdStrike · Ireland

Lead a team of data scientists working at the intersection of machine learning, large language models and cybersecurity, translating business needs into technical objectives and driving research into production ML systems. The role spans mentoring, roadmap planning and hands-on work on malware detection and behavioural threat analysis across trillions of daily events.