Senior Researcher

4 days ago

Budapest, Budapest, Hungary CUJO AI® Full time 1,000,000 - 1,200,000 per year

CUJO AI is a leader in artificial intelligence solutions for network service providers. We use
machine learning
and
real-world data
to develop
cybersecurity, device intelligence
, and
parental control solutions
that make internet connections safer for millions of homes.

About The Role

We're looking for a
Senior Security Researcher
to join our
Security Research Labs
team. In this role, you'll lead research into emerging cyber threats, design innovative defense mechanisms, and guide global teams to implement robust protections. Your work will directly influence CUJO AI's ability to secure IoT ecosystems and stay ahead of adversaries —powered by big data analysis and advanced threat intelligence.

In This Role, You Will:

  • Drive research and implementation of advanced cybersecurity defense mechanisms.
  • Analyze emerging threats, attacker methodologies, and malware to develop actionable insights.
  • Identify new threat TTPs and signatures and produce primary research.
  • Build rapid proof-of-concept prototypes and collaborate with firmware and ML teams to integrate detection and protection mechanisms.
  • Leverage big data analysis to normalize and interpret large, often unstructured datasets for threat detection and prediction.
  • Develop tools, techniques, and countermeasures to mitigate evolving attack vectors.
  • Contribute to the infosec community through papers, blogs, and presentations.
  • Collect and analyze commercial and open-source intelligence for threat tracking.
  • Predict and extrapolate attack trends ahead of occurrence.
  • Support CUJO AI's marketing and PR efforts with real-time breach and attack analysis.

Requirements:

What We're Looking For:

  • Proven experience in cybersecurity research, vulnerability analysis, and threat intelligence.
  • Strong knowledge of adversarial tools, techniques, and procedures.
  • Experience developing research infrastructure and tools in Python.
  • Solid understanding of network protocols (TCP/IP, HTTP, DNS) and network defense technologies.
  • Ability to present complex technical concepts to senior leadership and stakeholders.
  • Passion for cybersecurity and continuous learning about new threats and countermeasures.

What Will Make You Stand Out:

  • Expertise in IoT security and behavioral analytics.
  • Ability to research and prototype security solutions in a fast-paced environment.
  • Strong background in big data analysis, including the ability to normalize and interpret large, unstructured datasets for threat detection and prediction.
  • Experience with AWS managed services.

Why Join CUJO AI?

  • Flexible Work – Hybrid or fully remote options based on location.
  • Team Gatherings – Annual company-wide kickoff events and ongoing team activities.
  • Career Growth – Training bonuses for AWS certifications and other learning opportunities.
  • Performance Bonuses – Company-wide annual bonus program.
  • Referral Rewards – Earn up to €1,000 for referring new hires.

At
CUJO AI
, we're not just building technology—we're shaping the future of secure and intelligent connectivity. If you're a driven engineer who thrives in dynamic environments and loves building impactful systems, we'd love to hear from you.


Apply by December 14, 2025
– but don't wait We'll hire as soon as we find the right person.


Apply via our recruitment portal.
Questions? Email us at

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