Latest security engineer Jobs

Sr. Knowledge Engineer , Europe)

As a Senior Knowledge Engineer, you will design and implement a system that treats global infrastructure as a formal graph, connecting to various APIs and transforming raw data into a unified model. You will lead the development of data ingestion pipelines, entity resolution engines, and work cross-functionally with multiple teams to ensure data integrity and performance.

CrowdStrike Windsor, SL4 4BQ, United Kingdom

Remote Permanent

Sr. Software Engineer - Data Query Platform - London

This role involves building and maintaining ultra-high-scale data platforms that process petabytes of data for cybersecurity analytics and threat detection. The engineer will work across the full stack of data systems, from foundational storage and processing to scalable pipelines and query frameworks, enabling both internal teams and customers to extract insights from massive event streams. Key focus areas include improving system efficiency, reducing latency, and designing fault-tolerant Java-based microservices running on Spark and Kubernetes.

CrowdStrike London, United Kingdom

Hybrid Permanent

Sr. Backend Engineer, Cloud - Threat Detection / Incident Response , London)

This role involves designing and building scalable, AI-powered case management and investigation systems for CrowdStrike's Falcon SIEM platform. The engineer will develop Go-based microservices to help security teams detect, correlate, and respond to threats at petabyte scale, using advanced automation and agentic workflows. Collaboration with cross-functional teams and mentoring junior engineers are key aspects of the role.

CrowdStrike London, United Kingdom

Hybrid Permanent

Sr. Software Engineer - Data Platform (London

This role involves building and maintaining large-scale, real-time streaming data platforms that process trillions of events daily for threat detection and security analytics. You'll design fault-tolerant, low-latency systems using Kafka, Flink, and Spark on Kubernetes, with a focus on scalability, observability, and developer experience. The position supports cross-functional teams across a global infrastructure spanning multiple cloud providers.

CrowdStrike London, United Kingdom

Hybrid Permanent

Sr. SRE Engineer II - EPICS, NG-SIEM

This role involves owning the reliability and scalability of CrowdStrike's NG-SIEM platform, focusing on end-to-end observability, coordinated scaling, incident response, capacity planning, and automation. You will work on complex systems that process vast amounts of security data, ensuring the platform performs optimally and remains resilient.

CrowdStrike

Hybrid Permanent

Sr. SRE Engineer II - EPICS, NG-SIEM

As a Senior Engineer II on the NG-SIEM EPICS team, you will focus on ensuring the reliability and scalability of CrowdStrike's largest SIEM platform. Your responsibilities include designing and maintaining end-to-end observability, coordinating scaling solutions, responding to incidents, managing capacity and costs, and automating remediation workflows. You will work closely with cross-functional teams to maintain the health and performance of the platform.

CrowdStrike

Hybrid Permanent

Sr. Knowledge Engineer , Europe)

As a Senior Knowledge Engineer, you will design and build a system that treats global infrastructure as a formal graph, ensuring every node and edge is traceable to a versioned source of truth. You will lead the development of a 'Universal Translator' framework to connect and normalize data from various APIs, architect the Knowledge Construction Engine, and work cross-functionally with multiple teams to ensure data integrity and performance.

CrowdStrike Israel

Remote Permanent

Sr. Knowledge Engineer , Europe)

As a Senior Knowledge Engineer, you will design and implement a system that treats global infrastructure as a formal graph, connecting data from various APIs into a unified model. You will lead the development of data ingestion pipelines, entity resolution engines, and work cross-functionally with multiple teams to ensure data integrity and performance.

CrowdStrike

Remote Permanent

Sr. Software Engineer, Windows Sensor - CTIO

This role involves designing and developing core features for CrowdStrike's Falcon Host sensor on Windows OS, focusing on low-level system internals and cross-platform capabilities. The engineer will work on high-performance, lightweight agent technology that processes thousands of events per second for real-time threat detection and prevention. Collaboration across distributed teams and innovation in AI-driven security features are key aspects of the position.

CrowdStrike United Kingdom

Hybrid Permanent

Sr. Corporate Sales Engineer

This role involves partnering with sales teams to architect and demonstrate CrowdStrike’s Falcon Platform solutions tailored to enterprise customer environments. The Senior Corporate Sales Engineer will conduct technical discovery, lead proof-of-concept engagements, deliver product demonstrations, and address complex security challenges, while also mentoring junior engineers and contributing to sales strategy and product feedback. The position blends hands-on cybersecurity expertise with strategic customer engagement in a fast-paced, innovation-driven environment.

CrowdStrike Reading, United Kingdom

Hybrid Permanent

Sr. Software Engineer - Surface Engineering

This role involves building globally distributed, fault-tolerant, and highly scalable cloud ecosystems using Golang and Python. You will work on backend microservices, leverage existing CrowdStrike tools, and collaborate with multiple teams to detect targeted attacks and improve system quality.

CrowdStrike London, United Kingdom

Hybrid Permanent

Sr. Corporate Sales Engineer

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native...

CrowdStrike Spain

Sr. Software Engineer - Surface Engineering

This role involves building globally distributed, fault-tolerant, and highly scalable cloud ecosystems using Golang and Python. You will work on backend microservices, leverage existing CrowdStrike tools, and collaborate with multiple teams to detect targeted attacks and improve system quality.

CrowdStrike Romania

Hybrid Permanent

Senior Full Stack Engineer

Design and build enterprise-grade full-stack applications using Java and modern frameworks, with a focus on scalable microservices and responsive UIs. Collaborate across teams to deliver secure, high-performance solutions within a regulated financial environment, leveraging CI/CD, observability tools, and modern DevOps practices. Lead technical direction, mentor engineers, and contribute to architectural decisions while aligning with business and compliance objectives.

Barclays United Kingdom

On-site Permanent Clearance Required

Manager, Corporate Sales Engineering (BeNeLux)

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native...

CrowdStrike Reading, United Kingdom