Data Scientist
F5 Networks · Dublin, Ireland
About this role
F5 Networks is hiring a mid-level Data Scientist based in Dublin, Ireland. The posting calls out experience with TensorFlow, PyTorch, Hugging Face, LLMs and roughly 1–3 years of relevant work. Listed education preference: a bachelor's degree or equivalent.
- Role
- Data Scientist
- Function
- data engineering
- Level
- mid
- Track
- Individual contributor
- Employment
- Full-time
- Location
- Dublin, Ireland
- Experience
- 1–3 years
- Education
- Bachelor's degree
- Posted
- Apr 20, 2026
More roles at F5 Networks
Job description
from F5 Networks careersAt F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.
Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.
F5 is looking for an experienced Data Scientist, specialising in Artificial Intelligence and Large Language Models (LLMs), to build and deploy intelligent tools within our pioneering security platform. This role will focus on implementing cutting-edge AI/LLM solutions as practical features for AI red-teaming, defense, and securing agentic systems. You'll work hands-on to operationalise AI models, contributing directly to our platform's core intelligence.
Key Responsibilities:
Design, develop, fine-tune, and evaluate LLMs, agents and other deep learning models for AI security tasks (e.g., automated red-teaming operations, vulnerability detection, adversarial attack simulation and intelligent defense mechanisms).
Implement and deploy these AI/LLM-powered tools as robust, scalable features within CalypsoAI's security platform.
Develop and implement novel methods and tools for detecting and mitigating vulnerabilities, feeding directly into the AI Security platform.
This is an excerpt. Read the full job description on F5 Networks careers →