
Applied Machine Learning Internship - Summer 2026 (Bucharest, 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. 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. Our University Recruiting program is dedicated to attracting and cultivating the future leaders of this industry. This program offers paid positions for students and recent grads, designed to provide exposure to work that makes an impact while being supported through a structured experience with seasoned professionals. Ready to join a mission that matters? The future of cybersecurity starts with you.
About the Role:
CrowdStrike is looking to fill a Summer 2026 Internship with our Applied Machine Learning team. The team is focused on improving the detection capability and efficiency of the Falcon platform through employing Machine Learning algorithms to detect different types of attacks. You will have the opportunity to apply your coding and machine learning skills to the bleeding edge of security technology.
CrowdStrike’s cybersecurity data is one-of-a-kind: we process over 300 billion behavioral events per day, and have more than 1 petabyte of malware samples in our research repository.
We are a diverse and multidisciplinary team, and you’ll have the chance to broaden your horizons by working jointly with a team of Big Data, Machine Learning and Security domain experts on challenging and impactful problems. You will gain valuable experience in a fast-paced high-growth environment.
What We Offer:
Ongoing learning and development opportunities. The opportunity to leverage the AWS cloud stack for extracting features and deploying ML malware classifiers that learn from extremely large amounts of sample files.
Develop Machine Learning expertise and coding skills - we use Python, Sklearn, XGBoost and related Deep Learning frameworks (Tensorflow, Keras, Pytorch); we use Git versioning control, Continuous Integration and Docker to deploy our models in the cloud.
Assigned Mentor
Virtual/Remote Internship with flexible working hours
Global Intern Events, Socials, Swag & International Workshops
State-of-the art infrastructure - H100, B200 GPU clusters
What You'll Do:
Work directly with Sr. Applied Machine Learning Engineers, helping to create predictive machine learning models and tooling to improve the existing models so that we will continue to detect and stop today's most sophisticated threats
Implement and experiment with new algorithms and methodologies to help improve our machine learning models
Automate and visualize analyses, results, and processes in our machine learning pipeline
What You'll Need:
3rd or final year Computer Science student (also will consider Master/PhD students)
Good understanding of basic ML algorithms and techniques and their tradeoffs
Experience in writing Python code to pre-process and analyze data to generate actionable insights
Hands on in your approach to understanding data and learning about new fields
Passionate to develop your knowledge and learn new technologies, algorithms and concepts
Experience with working in a Linux environment
Good verbal and written communication skills in English
Bonus Points:
Hands on experience with traditional Machine Learning libraries (xgboost, sklearn, etc) and/or deeplearning frameworks (Tensorflow, Keras, PyTorch)
Good understanding of basic Machine Learning Techniques (SVM, Logistic Regression etc)
Security Enthusiast
#LI-HP1
What You Can Expect:
Market leader in compensation and equity awards
Paid holidays (including birthday holidays) and 401k matching (where applicable)
Professional development opportunities including workshops, tech talks, and Executive Speaker Series
Assigned mentors from across the company for continuous support and feedback
Participation in companywide initiatives including FalconFIT, Wellness Programs, and Employee Assistance Program
Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections
Vibrant office culture with world class amenities
Ownership of impactful projects that move the company forward
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.
