Sophos
Sophos9d ago

Threat Researcher - Linux

CanadaCanadaRemotePermanentmid
OtherThreat Researcher
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Quick Summary

Overview

About Us Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services.

Technical Tools
OtherThreat Researcher
About Us
Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Sophos X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response.
 
Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively reduce risk and respond faster, with the visibility and scalability needed to stay ahead of evolving threats.
 
Sophos goes to market with a global partner ecosystem, including Managed Service Providers (MSPs), Managed Security Service Providers (MSSPs), resellers and distributors, marketplace integrations, and cyber risk partners, giving organizations the flexibility to choose trusted relationships when securing their business. Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com.

Role Summary
Sophos is looking for a Linux Threat Researcher to join our team! The ideal candidate has extensive knowledge of Linux internals, is fluent in assembly, and has a knack for getting to the bottom of any issue. You enjoy thinking creatively; combining your deep technical knowledge, your tenacity for innovation, and your can-do attitude to solve complex and challenging problems on a daily basis. 
  • As a member of the Linux Behavior Protection Team, you will be responsible for:
  • Implementing context-aware & behavior-based detection to provide multiple layers of protection from attacks targeting Linux infrastructure
  • Mapping protection & detection of attack behaviors to MITRE ATT&CK framework
  • Linux kernel exploit research and detection
  • Threat hunting, data mining, and using other methods of research to discover new threats to Linux and opportunities to improve protection
  • Working with product teams to adapt protection technology to the rapidly evolving threat landscape
  • Reverse engineering and debugging malware, understanding the complete end-to-end kill chain, from attack vector to persistent payload
  • Publish research articles and whitepapers on the corporate blog
  • Essential:
  • Deep knowledge of Linux operating system, internals and APIs
  • Experience in computer security and/or threat research
  • Dynamic and static malware analysis experience
  • Programming experience
  •  
  • Desired:
  • Threat hunting
  • Data mining
  • Reverse engineering skills
  • Knowledge of exploitation techniques
  • Knowledge of offensive tools and techniques
  • Location & Eligibility

    Where is the job
    Canada
    Remote within one country
    Who can apply
    CA
    Listed under
    Canada

    Listing Details

    Posted
    April 22, 2026
    First seen
    April 22, 2026
    Last seen
    May 2, 2026

    Posting Health

    Days active
    9
    Repost count
    0
    Trust Level
    46%
    Scored at
    May 2, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
    Sophos
    Sophos
    lever
    Employees
    3k+
    Founded
    2019
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    SophosThreat Researcher - Linux