Cyber Security Jobs

• London
• Remote
• £28,000 – £40,000 pa
• Entry level

A self-funded training programme leading to an entry-level cyber security role, combining online CompTIA A+, Network+ and Security+ certification study with live labs and hands-on scenarios. Includes CV, LinkedIn and interview support plus recruitment assistance until placement, with flexible payment options spread over 12 months.

CompTIA A+ · CompTIA Network+ · CompTIA Security+ +1

• Plymouth
• Remote
• £28,000 – £40,000 pa
• Entry level

A self-funded training programme leading to a trainee cyber security operations role, combining online CompTIA A+, Network+ and Security+ certification study with live labs and hands-on real-world security scenarios. Includes CV and LinkedIn support, interview preparation, 1-1 tutor support and recruitment assistance until placement.

CompTIA A+ · CompTIA Network+ · CompTIA Security+ +1

• Ireland
• Remote
• Senior

Security researcher role on CrowdStrike Intelligence's Advanced Research Team, developing automated solutions for large-scale data collection, running Internet-wide scans, operating and extending honeypots, and performing vulnerability research. Involves reverse engineering, patch analysis, and publishing research on the company blog or at conferences, alongside ad-hoc technical support for other intelligence teams.

CrowdStrike · Android · iOS +3

• Romania
• Remote
• Senior

Security researcher role on CrowdStrike Intelligence's Advanced Research Team, developing automated solutions for large-scale data collection, operating and extending honeypots, performing vulnerability research, and reproducing emerging vulnerabilities. The position also involves publishing research on the blog or at conferences and building GenAI/LLM workflows to support analysis and security research.

CrowdStrike · Python · Android +4

• Edinburgh
• £24,000 – £45,000 pa
• Entry level

A traineeship combining self-paced online training in CompTIA, Microsoft and Cisco courses with hands-on Livelabs practice, leading to CompTIA A+ exams. Candidates are then placed as an IT Technician for two years before progressing into a cyber security technician role with partner IT companies.

CompTIA A+ · CompTIA · Microsoft +1

• Coventry
• £24,000 – £45,000 pa
• Entry level

A traineeship combining self-paced online training in CompTIA, Microsoft and Cisco courses with Livelabs practical work and official exams, followed by placement into an IT Technician role and later a Cyber Security Technician position. Candidates study from home with an assigned tutor and must complete two years of industry experience before progressing into cyber security.

CompTIA A+ · Microsoft · Cisco

• United Kingdom
• Remote
• Senior · manages people

Lead applied research applying LLMs, deep learning and other modern AI techniques to cybersecurity, architecting research strategy and shaping GenAI model architectures, training and deployment. Build production AI systems at massive scale while mentoring scientists and aligning technical strategy with senior leadership.

CrowdStrike

• Spain
• Remote
• Senior

Lead applied research applying LLMs, deep learning and other modern AI techniques to cybersecurity problems, architecting research strategy and production systems at massive scale. Provide technical leadership and mentoring while driving GenAI model architecture, training and deployment decisions, with a research-to-production and publication focus.

LLM · Deep Learning Frameworks · GPU +1

• Ireland
• Remote
• Senior

Lead applied research applying LLMs, deep learning and other modern AI techniques to cybersecurity problems, architecting research strategy and making decisions on model architectures, training and deployment. Build production AI systems at massive scale while mentoring scientists and partnering with software engineers and senior leadership. Distinct for its greenfield, research-to-production focus and technical leadership remit.

CrowdStrike · LLM · Deep Learning Frameworks +2

• Romania
• Remote
• Senior · manages people

Lead applied research applying LLMs, deep learning and other modern AI techniques to cybersecurity, architecting research strategy and making decisions on model architectures, training and deployment. Build production AI systems at massive scale while mentoring scientists and aligning technical strategy with senior leadership.

LLM · Deep Learning Frameworks · GPU +1

• Germany
• Remote
• Entry level
• Internship

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 · Disassemblers · Decompilers +1

• Pune, India
• Hybrid · 2–3 days in office
• Senior

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.

Jira · CrowdStrike Falcon · NG-SIEM +1

• 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