Cyber Security Jobs

• Ireland
• Remote
• Senior

Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design through prototyping, implementation and production operations. Works autonomously on a distributed remote team, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain.

AWS · GCP · EC2 +5

• Romania
• Remote
• Senior

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

AWS · GCP · EC2 +3

• London
• On-site
• Senior

Design and build software to solve Workload Identity challenges, from prototyping to production, covering both client and server. Work across networking, security, cloud, Kubernetes, encryption, PKI, JWT and SPIFFE, with Golang development, while mentoring a close-knit team and engaging internal and external stakeholders on technical trade-offs.

Kubernetes · Windows API · SPIFFE +2

• Cambridge
• Hybrid · 2 days in office
• Senior

Works within Cambridge R&D teams on high-impact projects spanning rapid prototyping and structured platform development, providing expert technical direction and mentoring engineers across languages such as Python, JavaScript, Rust and C++. The role advances a unique methodology for defending against unknown cyber-attacks, using Docker, cloud environments and CI/CD pipelines, and involves engaging with executive leadership on technical strategy.

Docker · Git · Cloud Computing

• London
• Hybrid · 2 days in office
• Senior

Joins R&D teams to build and enhance cybersecurity products, providing technical direction across rapid prototyping and structured platform development. Involves advancing malware-defence methodology, mentoring engineers in Python, JavaScript, Rust and C++, and working with Docker, cloud environments and CI/CD pipelines. Hybrid role with two days a week in the Cambridge office.

Docker · Git · Cloud Computing

• London
• Remote
• Lead

Lead and deliver reactive incident response engagements for clients, managing scoping, forensic investigations and containment of security incidents. Perform host-based analysis across Windows, Linux and macOS, examine firewall, web and database logs, and use tools such as EnCase, FTK, X-Ways, SIFT and Splunk to determine breach scope. Also mentors junior team members and provides remediation guidance to customers.

EnCase · FTK · X-Ways +5

• Hull
• On-site
• Lead

Senior escalation point for complex L2/L3 infrastructure incidents, owning them through to resolution across Microsoft 365, Entra ID, Active Directory, Intune, and Windows/Linux estates. The role also covers security hardening, patching, vulnerability management, and PowerShell automation, while mentoring L1/L2 engineers and working with the IT Architect.

Microsoft 365 · Entra ID · Active Directory +7

• 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

• United Kingdom
• Remote
• Mid-level

Lead and support cloud incident response engagements and security assessments for clients, analysing cloud and hybrid architectures and providing remediation guidance. The role also involves mentoring junior consultants, developing internal and open-source tooling, and researching emerging cloud security techniques.

AWS · Azure · GCP +4

• 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