Security Researcher
Cato NetworksCapital City of Prague, Czechia
Posted March 18, 2026
Full Time
About the Company
Cato Networks is the first company to converge enterprise networking and security into one centralized and global service that is delivered by cloud.
Job Description
Cato Networks is looking for a Security Researcher to join its Cato Network Security Content team, responsible for researching and investigating network protocols and application traffic, shaping and creating content signatures for Cato's security and network products.
Requirements
- 3+ years of hands-on as an analyst/researcher experience in the cyber/security/network industry
- Knowledge of networking architecture, OSI model, and protocols (TCP/IP, DNS, TLS, HTTP)
- Experience with LLM-based coding workflows or expertise in at least one scripting language such as Python (Pandas, NumPy)
- Experience with signature development for IPS or Firewall
- Experience with SQL or data analysis tools
- Experience (Hands-on) with Wireshark and PCAP analysis or similar tools
- Excellent English and communication skills
- Team player, responsible, and well-organized
