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Sr. Data Scientist, GenAI (Remote, Europe)

CrowdStrike
ROU Remote, Romania, RomaniaRemotefull_timeVerifiedPosted 7 Nov 2025

About the role

<p>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. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We’re also a mission-driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. We’re always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters? The future of cybersecurity starts with you.</p><p></p><p><b>About the Role:</b></p><p><span>CrowdStrike is seeking a<b> Data Scientist </b>to join our team building </span><b>the next generation of AI assistants</b> <span>powered by </span><b>large language models</b><span><b> (LLMs).</b> You will work closely with other scientists, software engineers and product managers to provide technical leadership and strategic direction, while driving innovation in our AI capabilities. </span></p><p><span>You will shape the </span><b>technical vision</b><span><b>,</b> mentor team members, and </span><b>make high-impact decisions</b><span><b> </b>that influence the company's AI strategy. This is a unique opportunity to lead groundbreaking developments in AI assistants that will revolutionize how we access information and interact with technology in the cybersecurity space. This opportunity presents a dynamic, growth-oriented startup environment for a driven, research-focused professional.</span></p><p></p><p><b>What You’ll Do:</b></p><ul><li><p><span>Lead and architect the research strategy for new GenAI agents/LLMs, setting the technical direction for the team</span></p></li><li><p><span>Drive innovation in LLM applications, including novel approaches to reasoning, summarisation, and interactivity</span></p></li><li><p><span>Make strategic decisions about GenAI model architectures, training approaches, and deployment strategies</span></p></li><li><p><span>Mentor and guide Data Scientists while fostering a culture of engineering excellence</span></p></li><li><p><span>Lead cross-functional initiatives and collaborate with senior leadership to align technical strategy with business goals</span></p></li><li><p><span>Represent CrowdStrike's technical excellence through publications, speaking engagements, and thought leadership</span></p></li><li><p><span>Establish best practices, technical standards, and evaluation frameworks for the team</span></p></li></ul><p></p><p><b>What You’ll Need:</b></p><ul><li><p><span>Advanced degree (PhD or Masters) in Computer Science, Data Science, or a related field</span></p></li><li><p><span>8+ years of applied machine learning / research experience, with demonstrated leadership in developing production-grade models</span></p></li><li><p><span>Deep expertise in LLM training / deployment at scale</span></p></li><li><p><span>Strong technical leadership experience, including mentoring teams and driving technical strategy</span></p></li><li><p><span>Advanced knowledge of Python, Deep Learning frameworks, and cloud technologies</span></p></li><li><p><span>Expert-level understanding of GPU technologies and optimisation techniques</span></p></li><li><p><span>Outstanding communication skills with ability to influence senior stakeholders</span></p></li><li><p><span>Track record of solving complex technical challenges at scale</span></p></li></ul><p></p><p><b>Bonus Points:</b></p><ul><li><p><span>Patents or significant intellectual property contributions in AI</span></p></li><li><p><span>Strong research portfolio with publications in leading AI journals and conferences</span></p></li><li><p><span>Experience with cybersecurity applications of machine learning</span></p></li><li><p><span>Track record of successful <span><span>research-to-production</span></span> implementations at scale</span></p></li><li><p><span>History of contributions to open-source ML projects</span></p></li></ul><p></p><p><span>#LI-AR1</span></p><p><span>#LI-GT1</span></p><p><span>#LI-Remote</span></p><p></p><p><b><span>Benefits of Working at CrowdStrike: </span></b></p><ul><li><p>Remote-friendly and flexible work culture</p></li><li><p>Market leader in compensation and equity awards</p></li><li><p>Comprehensive physical and mental wellness programs</p></li><li><p>Competitive vacation and holidays for recharge</p></li><li><p>Paid parental and adoption leaves</p></li><li><p>Professional development opportunities for all employees regardless of level or role</p></li><li><p><span>Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections</span></p></li><li><p>Vibrant office cult

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CrowdStrike

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