David S.

Senior Security Consultant | Red Team | Purple Team

United Kingdom

About

Senior Security Consultant with a focus on red and purple team operations, conducting realistic adversary simulations against mature blue teams and leading XDR solutions where stealth and evasion are critical. I also oversee the infrastructure testing service line, ensuring our tooling, methodologies and lab environments remain relevant and valuable. My role includes identifying and safely demonstrating vulnerabilities across client environments, and supporting remediation efforts to help improve overall security posture. I value practical impact, quiet professionalism and continuous growth.

Experience

  • Senior Security Consultant | Red Team | Purple Team at LevelBlue Cyber Solutions
    Aug 2025 - Present · 11 mos

  • Senior Security Consultant | Red Team | Purple Team at Stroz Friedberg, a LevelBlue company
    Aug 2025 - Aug 2025 · 1 mo

  • Senior Cyber Security Consultant | Red Team | Purple Team at Aon
    Jan 2023 - Aug 2025 · 2 yrs 8 mos

  • Senior Penetration Tester | Team Manager at Falanx Cyber
    Feb 2021 - Jan 2023 · 2 yrs

    Senior penetration tester utilised on billable engagements and team manager who provided support and mentoring to team members of varying skills and experience from both a technical perspective, day to day operations and their wellbeing.

  • Penetration Tester at Prism Infosec
    Nov 2018 - Feb 2021 · 2 yrs 4 mos

    A member of a diverse and skilled team of penetration testers.