Real job — pulled straight from Cato Networks’s careers page · Verified September 24, 2026 · No reposts.
Job description
Cato Networks is hiring a Security Researcher — a full-time, based in Prague, Czech Republic role. Apply directly on Cato Networks's careers page below.
Security Researcher
Location: Prague, Czech Republic
Department: Engineering - Research
Welcome to the future of cloud networking and security!
Cato Networks is the first company to converge enterprise networking and security into one centralized and global service that is delivered by cloud. It is led by networking and security pioneer Shlomo Kramer (Check Point, Imperva) and early investor (Palo Alto Networks, Exabeam, Trusteer and more). Cato’s unique technology inspired a brand-new product category, later named “SASE” by Gartner and a market expected to reach $28.5 billion by 2028.
This is your opportunity to get on the rocket ship and join a company that is building a cutting-edge enterprise network and secure cloud platform, and is on a fast track to becoming the worldwide market leader – don’t miss it!
As a Security Researcher (Network & Apps research) you will research and investigate Network protocols and application traffic (L4-L7) using modern big data analysis frameworks, as well as network and web analysis tools (Wireshark, Fiddler, BurpSuite, DevTool).
You will be responsible for shaping and creating content signatures to Cato’s security and network products such as NGWF, CASB, DLP, iOT/OT Security and more.
Joining Cato is an excellent opportunity for network security enthusiasts who are passionate about the future of Networking and Security
Responsibilities:
- Research and analyze network and application behavior as part of Cato Network’s Security products (NGFW, CASB, DLP and more).
- Solving customers' problems and pains.
- Focus on delivery fast at scale.
- Suggest and conduct new research vectors
- Utilize Cato’s Data Warehouse with big-data technologies to support your work
- Automate your work to improve efficiency
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) - a must
- Experience with LLM-based coding workflows OR expertise in at least one scripting language such as Python (Pandas, NumPy) - a must
- Experience with signature development for IPS or Firewall - big advantage
- Experience with SQL or data analysis tools – big advantage
- Experience (Hands-on) with Wireshark and PCAP analysis or similar tools
- Excellent English and communication skills
- Team player, responsible, and well-organized
Get Security Researcher jobs like this→
New roles from thousands of companies land hourly, straight from their careers pages. Get the freshest matches by email so you never miss one.
Email me new jobsSimilar jobs
Verification and Field Application Engineer (New Grad)
Frequently asked questions
What skills are required for Security Researcher at Cato Networks?
The required skills for Security Researcher at Cato Networks include: TCP/IP, DNS, HTTP, Python, Pandas, NumPy, SQL, LLM, Big Data.
What is the seniority level for Security Researcher at Cato Networks?
Security Researcher at Cato Networks is a Mid Level level position.
How do I apply for Security Researcher at Cato Networks?
You can view the full description and apply for Security Researcher at Cato Networks on EchoJobs: https://echojobs.io/job/cato-networks-security-researcher-f72dr.