Sr. Data Scientist - Charlotte AI (Remote, ROU)

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 daily. 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.

About The Role:

CrowdStrike is seeking a Senior Data Scientist to provide technical leadership within our Charlotte AI team. In this role, you'll architect and drive the development of next-generation AI solutions while mentoring team members and shaping the technical direction of our AI-powered security analyst platform. You'll leverage your extensive experience to tackle our most complex challenges, lead research initiatives, and help scale Charlotte AI's capabilities across the Falcon Platform.

You'll work at the intersection of advanced AI/ML research and practical cybersecurity applications. You'll have access to vast, proprietary security datasets, significant GPU computing infrastructure, and the opportunity to see your innovations directly impact how organizations defend against cyber threats. This position combines the intellectual rigor of research with the satisfaction of building production systems that protect millions of users worldwide.

About Charlotte Ai

Charlotte AI is CrowdStrike's pioneering generative AI security analyst, representing over a decade of AI innovation in cybersecurity. Using recent advances in Large Language Models, Charlotte AI empowers users of all skill levels to leverage the vast data available in the Falcon Platform while reducing security operations complexity and cost. It's a first-of-its-kind offering that transforms how security teams investigate threats, analyze incidents, and protect their organizations.

Learn more about Charlotte AI: https://www.crowdstrike.com/products/charlotte-ai/

What You'Ll Do:

• Lead the architecture and development of complex LLM-based solutions, defining technical approaches and best practices for integration into Charlotte AI
• Drive research initiatives to expand Charlotte AI's capabilities, including novel approaches to security-focused AI/ML challenges
• Mentor junior data scientists and provide technical guidance across teams to elevate the overall quality of ML solutions
• Architect and optimize large-scale training pipelines for custom LLMs, ensuring production readiness and performance
• Implement mechanistic explainability and interpretability features to ensure Charlotte AI's recommendations are transparent and trustworthy for security professionals
• Collaborate with engineering teams to translate ML innovations into scalable, fault-tolerant microservices using modern cloud technologies
• Design and implement robust evaluation frameworks for model performance and security
• Work with massive-scale security data (processing 3 trillion events daily) to extract actionable insights and identify emerging threat patterns
• Partner with product managers and security experts to align model capabilities with real-world security operations needs
• Drive technical decision-making for ML infrastructure and tooling choices
• Contribute to the broader ML community through publications, patents, and open-source contributions while maintaining CrowdStrike's thought leadership in AI-powered security

What You'Ll Need:

• 7+ years of applied machine learning experience developing and deploying production ML systems
• Strong foundation in ML, including LLMs, deep learning, transformer architectures and state-of-the-art NLP techniques
• Hands-on experience with LLMs and frameworks such as TensorFlow, PyTorch, or Hugging Face Transformers
• Proficiency in Python and experience with distributed computing environments
• Experience with production ML pipelines, including data preprocessing, model training, evaluation, and deployment
• Strong problem-solving skills with the ability to translate complex security challenges into ML solutions
• Excellent communication skills to collaborate with cross-functional teams and explain technical concepts to diverse audiences
• Self-starter mentality with a passion for continuous learning and staying current with AI/ML advances
• Track record of mentoring junior data scientists and leading technical initiatives
• Proven ability to drive innovation and research in production environments

Bonus Points:

• PhD or advanced degree in Computer Science, Statistics, Mathematics, or related field with focus on ML/AI
• Track record of research contributions at influential conferences  (NeurIPS, ICML, CVPR, ICLR), open-source ML libraries or patents in AI/ML
• Experience with large-scale distributed training and GPU optimization (CUDA, TensorRT)
• Experience with security or cybersecurity domains, though not required - we will provide mentoring
• Knowledge of cloud technologies (AWS, Kubernetes, Docker) and microservices architecture
• Familiarity with big data technologies (Kafka, Cassandra, Elasticsearch)
• Experience with Go (Golang) for building high-performance systems
• Background in privacy-preserving ML or adversarial machine learning

Tech Stack

While not mandatory to know everything, familiarity with our stack is beneficial:

• ML/AI: Python, TensorFlow, PyTorch, Hugging Face, CUDA
• Infrastructure: AWS, Kubernetes, Docker, Redis, S3
• Data: Kafka, Cassandra, Elasticsearch, OpenSearch
• Languages: Python (primary), Go (for services)
• Version Control: Git

Why Join Charlotte AI at CrowdStrike?

• Technical leadership: Shape the direction of cutting-edge AI security solutions
• Innovation: Access to cutting-edge LLM technology and the resources to push boundaries in AI-powered security
• Scale: Work with one of the largest security datasets in the world (3 trillion events daily)
• Growth: Join a rapidly expanding team and contribute to the development of AI talent through technical mentoring and guidance
• Culture: Remote-friendly environment that values autonomy, innovation, and collaborative problem-solving
• Mission: Lead technical initiatives that directly contribute to stopping breaches worldwide

This senior role offers the opportunity to shape the future of AI-powered security while leading a team of talented data scientists. If you're passionate about technical leadership, innovation in AI, and solving complex security challenges, we want to hear from you.

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Benefits Of Working At Crowdstrike:

• Remote-friendly and flexible work culture
• 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 globe

CrowdStrike 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 recruiting@crowdstrike.com for further assistance.