Cyber Security Jobs

• Ireland
• Remote
• Senior

Senior consultants lead front-page incident response investigations for Fortune 100 organisations, hunting adversaries across large data sets and conducting host and network forensics on Windows, Mac and Linux. The role involves intrusion analysis under project leadership and outside counsel, plus written and verbal reporting to executives, regulators and legal teams.

CrowdStrike · Bro/Zeek · Suricata +6

• United Kingdom
• Remote
• Mid-level

Lead incident response engagements, hunting adversaries across large data sets and conducting intrusion investigations under outside counsel. Perform host, network and cloud forensics across Windows, Mac and Linux, plus basic malware analysis, and deliver findings to executives, regulators and legal teams.

CrowdStrike · Zeek · Suricata +6

• Bucharest, Romania
• Remote
• Senior
• Permanent

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.

Windows · Mac · Linux +1

• Reading
• Remote
• Senior
• Permanent

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.

Windows · Mac · Linux +2

• 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

• Boston, United States
• Remote
• £140,000 – £215,000 pa
• Lead · manages people

Lead a team of engineers building self-service infrastructure-as-code primitives, high-availability services and cloud cost optimization across a multi-cloud environment. The role combines people management with hands-on architecture of large-scale distributed systems, using tools like Terraform, Pulumi, Chef and Python or Go, with a strong SRE and GitOps focus.

Chef · Puppet · Salt +7

• Arlington, United States
• Remote
• £140,000 – £215,000 pa
• Senior · manages people

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.

Chef · Puppet · Salt +7

• Reading
• Remote
• US$140,000 – US$215,000 pa
• Lead · manages people

Lead a growing engineering team building self-service infrastructure-as-code primitives, architecting large-scale core services and driving cloud cost optimisation across multi-cloud environments. The role combines people management with hands-on technical direction, including design reviews, on-call management and SRE practices.

Chef · Puppet · Salt +7

• London
• Remote
• US$140,000 – US$215,000 pa
• Lead · manages people

Lead a growing engineering team building self-service infrastructure-as-code primitives, architecting large-scale core services, and driving cloud cost optimization across a multi-cloud environment. The role combines people management with hands-on technical direction, setting deployment standards and SRE practices for a platform processing trillions of events daily.

Chef · Puppet · Salt +7

• United Kingdom
• Remote
• Senior

Build and maintain single-page web applications for the Falcon platform and internal tooling used by Falcon Complete analysts, working primarily in React and Ember.js. The role sits in a distributed, remote-first team building cross-tenant software at very high scale, with responsibility for architecture, code review, automated testing and close collaboration with cloud engineers, UX designers and product managers.

React · Ember · Angular +7

• United Kingdom
• Remote
• Lead · manages people

Lead a team of three data scientists building machine learning and agentic AI systems for threat detection, malware analysis and security automation. Set technical standards, own ML roadmaps from research to production, and partner with security research, engineering and product teams while staying hands-on with Python, ML frameworks and large-scale data.

AWS · Linux

• Spain
• Remote
• Lead · manages people

Lead a team of three data scientists building machine learning and agentic AI systems for threat detection, malware analysis and security automation. Set technical standards, drive ML strategy from research to production, and partner with security research, engineering and product teams. Requires dual expertise in ML and cybersecurity.

AWS · Linux

• Ireland
• Remote
• Lead · manages people

Leads a team of three data scientists at the intersection of machine learning, big data and cybersecurity, setting technical standards and strategy for threat detection and agentic AI systems. Drives ML projects from research through production deployment, partnering with security research, engineering and product teams, while mentoring staff and contributing hands-on technical work.

AWS · Linux

• Germany
• Remote
• Mid-level

Serve as the primary technical contact for Premium Support customers across EMEA, onboarding them to the platform and running proactive health checks, product training and best-practice sharing. Act as the customer's advocate internally, driving escalated cases to resolution with cross-functional teams while supporting renewals and account expansion. Requires fluent English and Hebrew plus Windows Server and enterprise security knowledge.

CrowdStrike