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Senior Offensive Security Researcher

SentinelOne
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Hybrid (Prague/Brno remote CZ/SK)€3.5k/mo+Full-timePosted 4w ago

About the role

Senior-level security research role focused on offensive techniques and evasion across Windows, Linux, and macOS, with impact on SentinelOne’s AI-native security platform and detection capabilities.

Responsibilities

  • Proactively look for the newest and most sophisticated attack techniques, deeply research and understand their internals, and emulate these attacks to assess and improve our detection engines.
  • Build tools to support detection assessments, create proofs-of-concept for the newest techniques and contribute to the design of innovative detection strategies.
  • Work closely with our Threat-Intelligence team and engineering detection teams to provide guidance and highlight gaps in our detection and visibility capabilities.

Qualifications

  • 4+ years of experience in Red Teaming / Security Research / Offensive Research with a deep understanding of Windows internals.
  • Hands-on experience with coding in Python and C/C++.
  • Deep understanding of the malware world (how malware operates, infamous families, evasion and exploitation techniques).
  • Experience in malware analysis (statically and dynamically) and reverse engineering (x86/x64).
  • Understanding of existing EDRs internals.
  • Experience writing detection signatures.
  • Experience leveraging agentic AI workflows for malware analysis and detection engineering tasks (reverse engineering, code auditing, signature writing).
  • Proven track record of conference speaking at security conferences or publications is an advantage

Skills

Required:Windows internalsPythonC/C++Malware analysis (static and dynamic)Reverse engineering (x86/x64)EDR internalsDetection signaturesCommunication with Threat Intelligence
Nice to have:Agentic AI workflows

Benefits

  • Restricted Stock Units (RSUs)
  • Employee Stock Purchase Plan (ESPP)
  • Performance-based bonus
  • Flexible time off, on top of the standard 5 weeks PTO
  • Paid company wellness days and fully paid short-term sick/nursing leave
  • Gender-neutral parental leave
  • Life and disability insurance
  • Pension Insurance contribution
  • Global business travel medical insurance
  • Employee Assistance Program (EAP)
  • Global home office allowance
  • Meal allowance
  • Hybrid work in Prague (Karlin), Brno (Clubco) or remote in CZ/SK. Only Prague-based employees are required to work from the office at least 2 days/week.
  • Wellbeing allowance
  • MultiSport benefit program
  • Wellness Coach app
Last updated Oct 22, 2026. Interested? Apply on the company site.
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About SentinelOne

AI-Powered Enterprise Cybersecurity Platform

SentinelOne unifies AI-powered endpoint, cloud, identity, and data protection—enhanced by our Security Data Lake for seamless and efficient cybersecurity.

CybersecurityAI SecurityEndpoint SecurityCloud SecurityAI-SIEMIdentity SecurityEDRXDR
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