23h ago

Senior Threat Researcher (UK)

United Kingdom

$150k-$200k / yearest.

full-timesenior Remotecybersecurity

🛠 Tech Stack

💼 About This Role

You'll join the X-OPS team at Sophos, a global cybersecurity leader. You'll analyze advanced threats and translate intelligence into high-fidelity detections across the platform. You'll leverage data from 40+ sources to ensure actionable alerts with minimal noise.

🎯 What You'll Do

  • Develop countermeasures to detect advanced threats based on CTU research.
  • Analyze endpoint behaviors and logs to design detections using multi-source telemetry.
  • Continuously refine and monitor detection rules to optimize signal-to-noise ratio.
  • Collaborate on internal tools, automation, and detection infrastructure.

📋 Requirements

  • Scripting in PowerShell, Bash, or Python.
  • Proficiency with Python data science libraries (NumPy, Pandas, Matplotlib).
  • Knowledge of CI/CD pipelines and automation principles.
  • Strong understanding of endpoint detection and OS internals.

✨ Nice to Have

  • Experience in malware analysis (static/dynamic, reverse engineering).
  • Familiarity with event correlation and incident reconstruction.
  • Network traffic analysis skills for identifying anomalous traits.
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