ML Researcher Intern - Prague - Czechia

Who we’re looking for

• Currently pursuing a degree in Computer Science, Data Science, Machine learning, or a related field
• Proficient in English
• Basic understanding or coursework in software engineering is a plus.
• Experience with coursework in one or more of the following Machine Learning fields: supervised, semi-supervised, or unsupervised learning, explainability of models, advanced statistics, graph theory, game theory.
• Strong logical reasoning and problem-solving skills.
• Enthusiasm for completing tasks and making projects successful.
• Hands on experience with any of the technologies such as scikit-learn, Pandas, PyTorch , LLMs, text embeddings, ( py )Spark will boost the start

What you’ll do

• Assist in inventing, designing, developing, and evaluating innovative models on large-scale data.
• Support the design and implementation of scalable, efficient, automated Machine Learning pipelines.
• Contribute to innovation projects from idea to implementation under guidance.
• Collaborate closely with teams of software, AI and ML engineers
• Be eager to learn about cybersecurity data analytics and related tools.
• Help communicate results through internal reports, blogs, and assist in preparing for scientific papers and conference presentations.

About the position

Please note this posting is to advertise potential job opportunities. This exact role may not be open today but could open in the near future. When you apply, a Cisco representative may contact you directly if a relevant position opens. Application Deadline: March 31 2026 Location: PRG5 office Hybrid 20 hours per week Who You’ll Work With We are a bunch of former security startups collectively called Threat Detection and Response. We keep an agile, fun , and passionate upstart culture within Cisco. You will work in an international environment in downtown Prague, Czech Republic, closely cooperating with teams in the US. We balance collaboration and integration with autonomy and innovation to deliver the most effective solution to our customers’ problems. The unique mix of our disruptive approach to security and Cisco’s industry dominance surpasses what any other security startup could ever achieve on its own.

Benefits

• Why Cisco? At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere. We are Cisco, and our power starts with you.