{"id":1175147,"url":"https://alion.io/job/cato-networks-security-researcher","title":"Security Researcher","company":{"id":7240,"name":"Cato Networks","domain":"catonetworks.com","url":"https://alion.io/company/cato-networks","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":84,"open_postings":40,"ghost_share":0,"stale_share":0.65,"repost_share":0,"time_to_fill_p50_days":50,"computed_at":"2026-10-21T05:46:15Z"}},"role":"Security","role_family":"Security","seniority":"middle","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Prague, Czech Republic"],"countries":["CZ"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":46000,"max_usd":109000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":774},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Burp Suite","optional":false},{"name":"DLP","optional":false},{"name":"DNS","optional":false},{"name":"LLM","optional":false},{"name":"NumPy","optional":false},{"name":"Pandas","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"TCP/IP","optional":false},{"name":"Wireshark","optional":false}],"status":"live","first_seen_at":"2026-03-18T13:21:45Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-21T14:15:50Z","board_verified":true,"closed_at":null,"days_open":217,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":216},"description":"Cato Networks is the converged network and security cloud for the AI era. \nAs AI reshapes cybersecurity, enterprises face a dual challenge: unlocking AI’s potential while defending against AI-driven attacks. Cato addresses both through a unified, cloud-native platform, providing the visibility and context to prioritize risks and stop threats in real time across users, applications, data, and AI agents. \nJoin us as we scale: take on ambitious technological challenges and shape the next generation of enterprise security at a company trusted by thousands of organizations worldwide. \nWe are looking for proactive, analytical talented people to join our Cato Network Security Content team.\nAs 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).\nYou 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.\nJoining Cato is an excellent opportunity for network security enthusiasts who are passionate about the future of Networking and Security\nResponsibilities:\nResearch and analyze network and application behavior as part of Cato Network’s Security products (NGFW, CASB, DLP and more).\nSolving customers' problems and pains.\nFocus on delivery fast at scale.\nSuggest and conduct new research vectors\nUtilize Cato’s Data Warehouse with big-data technologies to support your work\nAutomate your work to improve efficiency\nRequirements:\n3+ years of hands-on as an analyst/researcher experience in the cyber/security/network industry\nKnowledge of networking architecture, OSI model, and protocols (TCP/IP, DNS, TLS, HTTP) - 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