Senior Offensive Cyber Defender

3 days ago


London, Greater London, United Kingdom dunnhumby Full time

dunnhumby empowers businesses worldwide to thrive in the data-driven economy. As a Senior Offensive Security Engineer, you will join our Information Security team and contribute to the development of our security capabilities.

This role requires a strong background in cyber security, focusing on detection engineering and threat/attack simulation. You will be responsible for developing, implementing, testing, and managing detection and simulation tools to continuously improve our security posture.

Key Responsibilities
  • Conduct periodic validation testing to validate the effectiveness or identify security gaps and vulnerabilities in our security controls.
  • Analyse test results and simulation exercises to identify gaps, trends, and patterns, provide recommendations for improvement, and follow through to completion.
  • Work with other members of the security team to implement recommended improvements to our security controls.
  • Develop and maintain testing and simulation frameworks to ensure the continued effectiveness of our security controls.
  • Maintain up-to-date knowledge of the Cyber Security threat landscape, its associated Threat Intelligence, emerging threats, and attack techniques, for use in testing exercises.
Requirements
  • Experience in threat detection and validation, including atomic testing, breach and attack simulation, purple teaming, and adversary simulation.
  • Experience using common security testing and analysis tools, such as Atomic Red Team, Caldera, Metta, Splunk Attack Range, APT Simulator, Mimikatz, Bloodhound, Cobalt Strike, Metasploit, Kali, Pentera, and SafeBreach, Cymulate.
  • Translating threat intelligence and TTPs into testing payloads and actionable detection logic for the Defensive Operations teams.

Estimated salary: $140,000 - $200,000 per year.



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