CrowdStrike Holdings, Inc.

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 platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing dailyWe are seeking a talented Cloud Software Engineer to join our growing Threat Detection and Incident Response (TDIR) team and help revolutionize security management with our AI-native Falcon Next-Gen SIEM platform - enabling customers to detect, investigate, and hunt down threats 150x faster at Petabyte scale within a unified platform to stop breaches.You'll be designing and developing world-class case management and investigation capabilities in Golang that empower security analysts to be more effective at incident response, threat hunting, and collaborative investigations. You'll build intelligent workflows that connect detections, evidence, and response actions into cohesive cases, while leveraging advanced correlation, contextual enrichment, and AI/ML-powered insights. You'll also have opportunities to explore applied AI and agentic AI capabilities - such as intelligent case prioritization, automated investigation suggestions, and AI-assisted analyst workflows that help security teams work smarter and respond faster to emerging threats.Have no fear if you don't have prior experience with Golang or the security industry - we value the desire to learn, the ability to write and ship high-quality code, and the passion for seeing your solutions deployed in production. We'll mentor and train you in security topics as needed, and expect you'll be comfortable collaborating with awesome colleagues and partner teams distributed across various geographies and time zones. What we do look for is a strong interest in CrowdStrike's mission and a willingness to engage with the needs of our product teams and customers. What You'll Do: Develop Go-based microservices to support new and existing features which help detect cyber attacks, as well as RESTful APIs to support customer-focused workflows Work on and enrich backend microservices - From researching areas of concern to implementing the final solution Take end-to-end ownership of technical initiatives, both individually, and as part of a team, for delivery of projects of increasing complexity Work closely with designers, product managers, and engineers across product groups to understand, design, and implement solutions Mentor junior engineers on the team via pair programming, code reviews, and one-on-one knowledge sharing Challenge the status quo by continuously re-evaluating our features, infrastructure, and services for areas where we can improve architecture, user experience, performance, latency, or stability Relentlessly pursue quality by following engineering best practices including: Appropriate testing paradigms, effective peer code reviews, logging, monitoring, and resilient architecture patterns Utilize Kafka for event-driven workflows, Redis for distributed caching, and Cassandra, ElasticSearch, or PostgreSQL for data storage Provide monitoring and operational & customer support for production services owned by our team Be given the autonomy to own your work in a high trust environment What You'll Need: Being empathetic and a team player (Remember: One team. One fight! ) A computer science degree or commensurate experience Solid understanding of distributed systems, scalability, RESTful patterns, and multithreading concepts; knowledge of software development best practices and a willingness to learn more Proficiency building and scaling resilient, low-latency services in production using Go, Python, Java, C++ or C# Proven track record of translating business requirements to technical requirements, leading projects and delivery on schedule Passion for customer success and guide decisions by always keeping the end-user in mind Communicate and collaborate effectively across functions and levels throughout the company Willingness to take on ownership to fix issues as you find them, without waiting to be assigned Bonus Points: Currently developing Go-based web services for scalable microservices architectures Familiarity with AWS, Cassandra, Kafka, ElasticSearch, Redis, Grafana Experience with containerization and container orchestration technologies such as Docker and Kubernetes Benefits of Working at CrowdStrike: Market leader in compensation and equity awards Comprehensive physical and mental wellness programs Competitive vacation and holidays for recharge Paid parental and adoption leaves Professional development opportunities for all employees regardless of level or role Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections Vibrant office culture with world class amenities Great Place to Work Certified across the globeCrowdStrike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program.CrowdStrike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy-related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. We base all employment decisions including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs on valid job requirements.If you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at for further assistance. About the Role: trillions-of-events-per-day

A leading cybersecurity firm based in the United Kingdom is seeking a Cloud Software Engineer to join their Threat Detection and Incident Response team. The role involves developing Go-based microservices and RESTful APIs to enhance security management with innovative AI-native solutions. Candidates should have a strong interest in cybersecurity, a computer science background, and proficiency in programming languages. The company offers competitive compensation and an inclusive workplace culture.

Engineer - OWL We're building the next-generation infrastructure and security platform for CrowdStrike. The OverWatch Labs (OWL) team builds the platform and tools for our analysts on the OverWatch team to process and hunt (identify potentially harmful activity) through trillions of events per day, and growing.We are looking for an engineer who wants to help move the OWL platform forward as we scale even further. Someone with a broad range of computer skills throughout the software stack and clear communication skills would thrive in this environment. You should love working on large-scale, distributed, cloud-based, highly available systems that can efficiently operate over trillions of events per day. Team Culture: Stay humble. Stay positive. Stay hungry. Exhaustively passionate: We can't emphasise this enough. We love what we do, and feel our work is making a notable impact and difference on a global and geopolitical scale. Strong work ethic: We work extremely hard, not just smart. It's essential to our success. Be ready to be dedicated and focused. Team player: Our success and failures are shared together. We learn from each other. We help each other to grow and develop. We take constructive criticism gracefully and give credit where credit is due. Learner: Be willing to learn, to seek truth, and understanding. Take the initiative to acquire knowledge and investigate questions you might have. Adaptable/Agile/Flexible: Nothing ever goes according to plan, be prepared to do any task necessary that benefits and contributes to the team success (i.e. low-level data entry to high-level research design and experimentation) About the Role: We are looking for an engineer to work on building and maintaining scalable data infrastructure/platforms and tools for our team. Someone with foundational knowledge in algorithms, software engineering/development and operational research is highly preferred. In short, someone who has the technical groundwork, ready to gain experience and communicates well with others. What You'll Do: Collaborate with OverWatch engineering members to build, develop, and maintain operational systems, projects, and tools. Be comfortable with projects to build new components and extend the current system. Help the OverWatch team become more effective in their analysis and hunting by improving the platform and tools. Bring research projects into production environments and integrate them with the OWL systems. Work in a DevOps environment where you (and your team) are responsible for the systems you deploy. This will involve an on-call rota. Be an energetic 'self-starter' with the ability to take ownership and be accountable for deliverables. Have a desire for quality and understand what tools and processes you need to reach that level and help the team reach a higher bar. Be an adaptable and flexible engineer who is constantly learning and enjoys tackling complex and novel challenges. Use and give back to the open source community. Work as part of a distributed team of remote workers across timezones. What You'll Use: Go (Golang) Python AWS Postgres ElasticSearch Kafka Kubernetes Many external and internal APIs What You'll Need : Degree in Computer Science (or commensurate experience). Experience with Golang or another language for developing web backends and pipelines (such as Python/Ruby/etc) or compiled languages like Rust or C++. Built web-services with data processing pipelines and the concepts required. Experience with relational and noSQL databases (Redis, Postgres, Cassandra, ElasticSearch a plus). Understanding of messaging or queueing software, Kafka experience helpful but not required. Linux skills and experience with large-scale, business-critical Linux environments. Understanding of distributed systems and scalability challenges, particularly in Cloud environments such as AWS. The ability to thrive in a fast paced, test-driven, collaborative and iterative programming environment. A thorough understanding of engineering best practices from appropriate testing paradigms to effective peer code reviews and resilient architecture. Bonus Points: Authored and led successful open source libraries and projects. Contributions to the open source community (GitHub, Stack Overflow, blogging). Existing exposure to Go, AWS, Cassandra, Kafka, Elasticsearch Prior experience in the cybersecurity or intelligence fields.Bring your experience in distributed technologies and algorithms, your great API and systems design sensibilities, and your passion for writing code that performs at extreme scale. You will help build a platform that scales to millions of events per second and Terabytes of data per day. If you want a job that makes a difference in the world and operates at high scale, you've come to the right place. Benefits of Working at CrowdStrike: Market leader in compensation and equity awards Comprehensive physical and mental wellness programs Competitive vacation and holidays for recharge Paid parental and adoption leaves Professional development opportunities for all employees regardless of level or role Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections Vibrant office culture with world class amenities Great Place to Work Certified across the globeCrowdStrike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program.CrowdStrike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy-related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. We base all employment decisions including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs on valid job requirements.If you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at for further assistance.

A leading cybersecurity firm is seeking an Engineer for its OverWatch Labs (OWL) team to help build and maintain scalable data infrastructure. The role involves collaboration with engineering members to enhance platform tools and integrate research projects. Ideal candidates will have a degree in Computer Science, experience in software development, and familiarity with cloud environments like AWS. The position includes working in a flexible DevOps environment and supporting operational systems.

A leading cybersecurity firm is seeking a Product Security Engineer III to lead threat hunting operations and drive security enhancements for the Falcon platform. The role requires a motivated self-starter with over 5 years of experience in cybersecurity and familiarity with SIEM environments. Key responsibilities include leading collaborative response efforts and developing detection capabilities. This position offers a remote work option and targets candidates passionate about cybersecurity initiatives.

Product Security Engineer III (Remote, GBR) page is loaded Product Security Engineer III (Remote, GBR)locations: United Kingdom - Remotetime type: Full timeposted on: Posted Todayjob requisition id: R26318 About the Role: Join CrowdStrike's Product Abuse team as an Engineer III , where you'll be at the forefront of defending our Falcon platform against sophisticated threat actors. In this dynamic role, you'll lead threat hunting operations, drive collaborative response efforts, and architect security enhancements to protect our global customer base. Operating at both strategic and tactical levels, you'll work within a close-knit team to identify, analyze, and neutralize emerging abuse vectors before they impact our platform. What You'll Do: • Lead threat hunting operations against emergent threat activity to determine impact and resolution • Conduct collaborative response efforts with cross-functional teams • Drive and promote product security enhancements in the platform • Develop proactive prevention & detection capabilities for evolving TTPs • Instrument purpose-built event driven tooling to drive hunting efficiency • Advocate for preemptive real-time response processes What You'll Need: Motivated self-starter with 5+ years experience in a cybersecurity or threat intelligence environment, with a focus on threat hunting and tooling Comprehensive, practical knowledge of intrusion analysis Familiarity with threat hunting in large SIEM environments (e.g., LogScale) Experience in incident response, preferably in a role focusing on SaaS platforms and data-rich environments Familiarity with computer networking fundamentals, computer network operations (CNO), host-based forensics, and network traffic monitoring Capability in scripting language (e.g., Python/Perl/Ruby) to automate processes and extend your toolkit Understanding of technical terminology, tactics, techniques, and procedures employed by threat actors Knowledge of the evolving threat landscape to support an understanding of current and future impacts Passionate about taking the initiative to identify and develop enrichments and enhanced visibility Enthusiasm for collaboration, including working in a team-oriented environment and across functional teams to leverage subject matter expertise Benefits of Working at CrowdStrike: Market leader in compensation and equity awards Comprehensive physical and mental wellness programs Competitive vacation and holidays for recharge Paid parental and adoption leaves Professional development opportunities for all employees regardless of level or role Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections Vibrant office culture with world class amenities Great Place to Work Certified across the globeCrowdStrike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program.CrowdStrike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy-related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. We base all employment decisions including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs on valid job requirements.If you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at for further assistance.